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jeffhao5d1ac922011-09-29 17:41:15 -07001/*
2 * Copyright (C) 2007 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
jeffhao5d1ac922011-09-29 17:41:15 -070017import junit.framework.Assert;
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +070018import java.util.Arrays;
19import java.lang.reflect.Method;
jeffhao5d1ac922011-09-29 17:41:15 -070020
21public class Main {
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +070022 public static void main(String args[]) throws Exception {
Elliott Hughes28c384b2012-06-15 16:46:25 -070023 test_Double_doubleToRawLongBits();
24 test_Double_longBitsToDouble();
25 test_Float_floatToRawIntBits();
26 test_Float_intBitsToFloat();
27 test_Math_abs_I();
28 test_Math_abs_J();
Serban Constantinescu23abec92014-07-02 16:13:38 +010029 test_Math_min_I();
30 test_Math_max_I();
31 test_Math_min_J();
32 test_Math_max_J();
33 test_Math_min_F();
34 test_Math_max_F();
35 test_Math_min_D();
36 test_Math_max_D();
Chao-ying Fuff87d7b2015-01-19 15:51:57 -080037 test_Math_sqrt();
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +010038 test_Math_ceil();
39 test_Math_floor();
40 test_Math_rint();
41 test_Math_round_D();
42 test_Math_round_F();
Chris Larsen2714fe62016-02-11 14:23:53 -080043 test_Math_isNaN_D();
44 test_Math_isNaN_F();
45 test_Math_isInfinite_D();
46 test_Math_isInfinite_F();
Zheng Xua3fe7422014-07-09 14:03:15 +080047 test_Short_reverseBytes();
48 test_Integer_reverseBytes();
49 test_Long_reverseBytes();
Serban Constantinescu23abec92014-07-02 16:13:38 +010050 test_Integer_reverse();
51 test_Long_reverse();
Scott Wakeling611d3392015-07-10 11:42:06 +010052 test_Integer_numberOfLeadingZeros();
53 test_Long_numberOfLeadingZeros();
Sebastien Hertzbf1442d2013-03-05 15:12:40 +010054 test_StrictMath_abs_I();
55 test_StrictMath_abs_J();
Serban Constantinescu23abec92014-07-02 16:13:38 +010056 test_StrictMath_min_I();
57 test_StrictMath_max_I();
58 test_StrictMath_min_J();
59 test_StrictMath_max_J();
60 test_StrictMath_min_F();
61 test_StrictMath_max_F();
62 test_StrictMath_min_D();
63 test_StrictMath_max_D();
Chao-ying Fuff87d7b2015-01-19 15:51:57 -080064 test_StrictMath_sqrt();
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +010065 test_StrictMath_ceil();
66 test_StrictMath_floor();
67 test_StrictMath_rint();
68 test_StrictMath_round_D();
69 test_StrictMath_round_F();
Elliott Hughes28c384b2012-06-15 16:46:25 -070070 test_String_charAt();
71 test_String_compareTo();
72 test_String_indexOf();
73 test_String_isEmpty();
74 test_String_length();
Andreas Gampe7a949612014-07-08 11:03:59 -070075 test_Thread_currentThread();
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +070076 initSupportMethodsForPeekPoke();
77 test_Memory_peekByte();
78 test_Memory_peekShort();
79 test_Memory_peekInt();
80 test_Memory_peekLong();
81 test_Memory_pokeByte();
82 test_Memory_pokeShort();
83 test_Memory_pokeInt();
84 test_Memory_pokeLong();
Scott Wakeling9ee23f42015-07-23 10:44:35 +010085 test_Integer_numberOfTrailingZeros();
86 test_Long_numberOfTrailingZeros();
87 test_Integer_rotateRight();
88 test_Long_rotateRight();
89 test_Integer_rotateLeft();
90 test_Long_rotateLeft();
91 test_Integer_rotateRightLeft();
92 test_Long_rotateRightLeft();
Elliott Hughes28c384b2012-06-15 16:46:25 -070093 }
94
Andreas Gampe7a949612014-07-08 11:03:59 -070095 /**
96 * Will test inlining Thread.currentThread().
97 */
98 public static void test_Thread_currentThread() {
99 // 1. Do not use result.
100 Thread.currentThread();
101
102 // 2. Result should not be null.
103 Assert.assertNotNull(Thread.currentThread());
104 }
105
Elliott Hughes28c384b2012-06-15 16:46:25 -0700106 public static void test_String_length() {
107 String str0 = "";
108 String str1 = "x";
109 String str80 = "01234567890123456789012345678901234567890123456789012345678901234567890123456789";
110
111 Assert.assertEquals(str0.length(), 0);
112 Assert.assertEquals(str1.length(), 1);
113 Assert.assertEquals(str80.length(), 80);
114
115 String strNull = null;
116 try {
117 strNull.length();
118 Assert.fail();
119 } catch (NullPointerException expected) {
120 }
121 }
122
123 public static void test_String_isEmpty() {
124 String str0 = "";
125 String str1 = "x";
126
127 Assert.assertTrue(str0.isEmpty());
128 Assert.assertFalse(str1.isEmpty());
129
130 String strNull = null;
131 try {
132 strNull.isEmpty();
133 Assert.fail();
134 } catch (NullPointerException expected) {
135 }
136 }
137
Andreas Gampe71fb52f2014-12-29 17:43:08 -0800138 // Break up the charAt tests. The optimizing compiler doesn't optimize methods with try-catch yet,
139 // so we need to separate out the tests that are expected to throw exception
140
Elliott Hughes28c384b2012-06-15 16:46:25 -0700141 public static void test_String_charAt() {
Andreas Gampe878d58c2015-01-15 23:24:00 -0800142 String testStr = "Now is the time to test some stuff";
Elliott Hughes28c384b2012-06-15 16:46:25 -0700143
Andreas Gampe878d58c2015-01-15 23:24:00 -0800144 Assert.assertEquals(testStr.length() - 1, 33); // 33 = testStr.length()-1 as a constant.
145 Assert.assertEquals('f', testStr.charAt(33));
Elliott Hughes28c384b2012-06-15 16:46:25 -0700146
Andreas Gampe878d58c2015-01-15 23:24:00 -0800147 test_String_charAt(testStr, 'N', 'o', ' ', 'f');
148 test_String_charAt(testStr.substring(3,15), ' ', 'i', 'm', 'e');
149 }
150 public static void test_String_charAt(String testStr, char a, char b, char c, char d) {
151 Assert.assertEquals(a, testStr.charAt(0));
152 Assert.assertEquals(b, testStr.charAt(1));
153 Assert.assertEquals(c, testStr.charAt(10));
154 Assert.assertEquals(d, testStr.charAt(testStr.length()-1));
155
156 test_String_charAtExc(testStr);
157 test_String_charAtExc2(testStr);
Andreas Gampe71fb52f2014-12-29 17:43:08 -0800158 }
159
Andreas Gampe878d58c2015-01-15 23:24:00 -0800160 private static void test_String_charAtExc(String testStr) {
Elliott Hughes28c384b2012-06-15 16:46:25 -0700161 try {
162 testStr.charAt(-1);
163 Assert.fail();
164 } catch (StringIndexOutOfBoundsException expected) {
165 }
166 try {
167 testStr.charAt(80);
168 Assert.fail();
169 } catch (StringIndexOutOfBoundsException expected) {
jeffhao5d1ac922011-09-29 17:41:15 -0700170 }
Vladimir Marko00ca8472015-01-26 14:06:46 +0000171 try {
Andreas Gampe878d58c2015-01-15 23:24:00 -0800172 if (testStr.length() == 34) {
173 testStr.charAt(34); // 34 = "Now is the time to test some stuff".length()
174 } else {
175 Assert.assertEquals(testStr.length(), 12); // 12 = " is the time".length()
176 testStr.charAt(12);
177 }
Vladimir Marko00ca8472015-01-26 14:06:46 +0000178 Assert.fail();
179 } catch (StringIndexOutOfBoundsException expected) {
180 }
181 try {
182 test_String_charAt_inner(testStr, -1);
183 Assert.fail();
184 } catch (StringIndexOutOfBoundsException expected) {
185 }
186 try {
187 test_String_charAt_inner(testStr, 80);
188 Assert.fail();
189 } catch (StringIndexOutOfBoundsException expected) {
190 }
191 try {
Andreas Gampe878d58c2015-01-15 23:24:00 -0800192 if (testStr.length() == 34) {
193 // 34 = "Now is the time to test some stuff".length()
194 test_String_charAt_inner(testStr, 34);
195 } else {
196 Assert.assertEquals(testStr.length(), 12); // 12 = " is the time".length()
197 test_String_charAt_inner(testStr, 12);
198 }
Vladimir Marko00ca8472015-01-26 14:06:46 +0000199 Assert.fail();
200 } catch (StringIndexOutOfBoundsException expected) {
201 }
202
203 String strEmpty = "";
204 try {
205 strEmpty.charAt(0);
206 Assert.fail();
207 } catch (StringIndexOutOfBoundsException expected) {
208 }
jeffhao5d1ac922011-09-29 17:41:15 -0700209
Elliott Hughes28c384b2012-06-15 16:46:25 -0700210 String strNull = null;
211 try {
212 strNull.charAt(0);
213 Assert.fail();
214 } catch (NullPointerException expected) {
jeffhao5d1ac922011-09-29 17:41:15 -0700215 }
Elliott Hughes28c384b2012-06-15 16:46:25 -0700216 }
jeffhao5d1ac922011-09-29 17:41:15 -0700217
Vladimir Marko00ca8472015-01-26 14:06:46 +0000218 private static char test_String_charAt_inner(String s, int index) {
219 // Using non-constant index here (assuming that this method wasn't inlined).
220 return s.charAt(index);
221 }
222
Andreas Gampe878d58c2015-01-15 23:24:00 -0800223 private static void test_String_charAtExc2(String testStr) {
Andreas Gampe71fb52f2014-12-29 17:43:08 -0800224 try {
Andreas Gampe878d58c2015-01-15 23:24:00 -0800225 test_String_charAtExc3(testStr);
226 Assert.fail();
227 } catch (StringIndexOutOfBoundsException expected) {
228 }
229 try {
230 test_String_charAtExc4(testStr);
Andreas Gampe71fb52f2014-12-29 17:43:08 -0800231 Assert.fail();
232 } catch (StringIndexOutOfBoundsException expected) {
233 }
234 }
235
Andreas Gampe878d58c2015-01-15 23:24:00 -0800236 private static void test_String_charAtExc3(String testStr) {
Andreas Gampe71fb52f2014-12-29 17:43:08 -0800237 Assert.assertEquals('N', testStr.charAt(-1));
238 }
239
Andreas Gampe878d58c2015-01-15 23:24:00 -0800240 private static void test_String_charAtExc4(String testStr) {
241 Assert.assertEquals('N', testStr.charAt(100));
242 }
243
Yevgeny Rouban34fa0d92014-03-13 12:15:58 +0700244 static int start;
Alexei Zavjalova1758d82014-04-17 01:55:43 +0700245 private static int[] negIndex = { -100000 };
Elliott Hughes28c384b2012-06-15 16:46:25 -0700246 public static void test_String_indexOf() {
247 String str0 = "";
Yevgeny Rouban34fa0d92014-03-13 12:15:58 +0700248 String str1 = "/";
Elliott Hughes28c384b2012-06-15 16:46:25 -0700249 String str3 = "abc";
250 String str10 = "abcdefghij";
251 String str40 = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabc";
jeffhao5d1ac922011-09-29 17:41:15 -0700252
Elliott Hughes28c384b2012-06-15 16:46:25 -0700253 Assert.assertEquals(str0.indexOf('a'), -1);
254 Assert.assertEquals(str3.indexOf('a'), 0);
255 Assert.assertEquals(str3.indexOf('b'), 1);
256 Assert.assertEquals(str3.indexOf('c'), 2);
257 Assert.assertEquals(str10.indexOf('j'), 9);
258 Assert.assertEquals(str40.indexOf('a'), 0);
259 Assert.assertEquals(str40.indexOf('b'), 38);
260 Assert.assertEquals(str40.indexOf('c'), 39);
261 Assert.assertEquals(str0.indexOf('a',20), -1);
262 Assert.assertEquals(str0.indexOf('a',0), -1);
263 Assert.assertEquals(str0.indexOf('a',-1), -1);
Yevgeny Rouban34fa0d92014-03-13 12:15:58 +0700264 Assert.assertEquals(str1.indexOf('/',++start), -1);
Alexei Zavjalova1758d82014-04-17 01:55:43 +0700265 Assert.assertEquals(str1.indexOf('a',negIndex[0]), -1);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700266 Assert.assertEquals(str3.indexOf('a',0), 0);
267 Assert.assertEquals(str3.indexOf('a',1), -1);
268 Assert.assertEquals(str3.indexOf('a',1234), -1);
269 Assert.assertEquals(str3.indexOf('b',0), 1);
270 Assert.assertEquals(str3.indexOf('b',1), 1);
271 Assert.assertEquals(str3.indexOf('c',2), 2);
272 Assert.assertEquals(str10.indexOf('j',5), 9);
273 Assert.assertEquals(str10.indexOf('j',9), 9);
274 Assert.assertEquals(str40.indexOf('a',10), 10);
275 Assert.assertEquals(str40.indexOf('b',40), -1);
276
Andreas Gampe678e6952015-05-07 16:44:58 -0700277 testIndexOfNull();
278
Andreas Gampe21030dd2015-05-07 14:46:15 -0700279 // Same data as above, but stored so it's not a literal in the next test. -2 stands for
280 // indexOf(I) instead of indexOf(II).
281 start--;
282 int[][] searchData = {
283 { 'a', -2, -1 },
284 { 'a', -2, 0 },
285 { 'b', -2, 1 },
286 { 'c', -2, 2 },
287 { 'j', -2, 9 },
288 { 'a', -2, 0 },
289 { 'b', -2, 38 },
290 { 'c', -2, 39 },
291 { 'a', 20, -1 },
292 { 'a', 0, -1 },
293 { 'a', -1, -1 },
294 { '/', ++start, -1 },
295 { 'a', negIndex[0], -1 },
296 { 'a', 0, 0 },
297 { 'a', 1, -1 },
298 { 'a', 1234, -1 },
299 { 'b', 0, 1 },
300 { 'b', 1, 1 },
301 { 'c', 2, 2 },
302 { 'j', 5, 9 },
303 { 'j', 9, 9 },
304 { 'a', 10, 10 },
305 { 'b', 40, -1 },
306 };
307 testStringIndexOfChars(searchData);
308
Andreas Gampe678e6952015-05-07 16:44:58 -0700309 testSurrogateIndexOf();
310 }
311
Andreas Gampe21030dd2015-05-07 14:46:15 -0700312 private static void testStringIndexOfChars(int[][] searchData) {
313 // Use a try-catch to avoid inlining.
314 try {
315 testStringIndexOfCharsImpl(searchData);
316 } catch (Exception e) {
317 System.out.println("Unexpected exception");
318 }
319 }
320
321 private static void testStringIndexOfCharsImpl(int[][] searchData) {
322 String str0 = "";
323 String str1 = "/";
324 String str3 = "abc";
325 String str10 = "abcdefghij";
326 String str40 = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabc";
327
328 Assert.assertEquals(str0.indexOf(searchData[0][0]), searchData[0][2]);
329 Assert.assertEquals(str3.indexOf(searchData[1][0]), searchData[1][2]);
330 Assert.assertEquals(str3.indexOf(searchData[2][0]), searchData[2][2]);
331 Assert.assertEquals(str3.indexOf(searchData[3][0]), searchData[3][2]);
332 Assert.assertEquals(str10.indexOf(searchData[4][0]), searchData[4][2]);
333 Assert.assertEquals(str40.indexOf(searchData[5][0]), searchData[5][2]);
334 Assert.assertEquals(str40.indexOf(searchData[6][0]), searchData[6][2]);
335 Assert.assertEquals(str40.indexOf(searchData[7][0]), searchData[7][2]);
336 Assert.assertEquals(str0.indexOf(searchData[8][0], searchData[8][1]), searchData[8][2]);
337 Assert.assertEquals(str0.indexOf(searchData[9][0], searchData[9][1]), searchData[9][2]);
338 Assert.assertEquals(str0.indexOf(searchData[10][0], searchData[10][1]), searchData[10][2]);
339 Assert.assertEquals(str1.indexOf(searchData[11][0], searchData[11][1]), searchData[11][2]);
340 Assert.assertEquals(str1.indexOf(searchData[12][0], searchData[12][1]), searchData[12][2]);
341 Assert.assertEquals(str3.indexOf(searchData[13][0], searchData[13][1]), searchData[13][2]);
342 Assert.assertEquals(str3.indexOf(searchData[14][0], searchData[14][1]), searchData[14][2]);
343 Assert.assertEquals(str3.indexOf(searchData[15][0], searchData[15][1]), searchData[15][2]);
344 Assert.assertEquals(str3.indexOf(searchData[16][0], searchData[16][1]), searchData[16][2]);
345 Assert.assertEquals(str3.indexOf(searchData[17][0], searchData[17][1]), searchData[17][2]);
346 Assert.assertEquals(str3.indexOf(searchData[18][0], searchData[18][1]), searchData[18][2]);
347 Assert.assertEquals(str10.indexOf(searchData[19][0], searchData[19][1]), searchData[19][2]);
348 Assert.assertEquals(str10.indexOf(searchData[20][0], searchData[20][1]), searchData[20][2]);
349 Assert.assertEquals(str40.indexOf(searchData[21][0], searchData[21][1]), searchData[21][2]);
350 Assert.assertEquals(str40.indexOf(searchData[22][0], searchData[22][1]), searchData[22][2]);
351 }
352
Andreas Gampe678e6952015-05-07 16:44:58 -0700353 private static void testSurrogateIndexOf() {
354 int supplementaryChar = 0x20b9f;
355 String surrogatePair = "\ud842\udf9f";
356 String stringWithSurrogates = "hello " + surrogatePair + " world";
357
358 Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar), "hello ".length());
359 Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar, 2), "hello ".length());
360 Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar, 6), 6);
361 Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar, 7), -1);
Andreas Gampeba6fdbc2015-05-07 22:31:55 -0700362
363 Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar - 0x10000), -1);
364 Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar | 0x80000000), -1);
Andreas Gampe678e6952015-05-07 16:44:58 -0700365 }
366
367 private static void testIndexOfNull() {
Elliott Hughes28c384b2012-06-15 16:46:25 -0700368 String strNull = null;
369 try {
Andreas Gampe678e6952015-05-07 16:44:58 -0700370 testNullIndex(strNull, 'a');
Elliott Hughes28c384b2012-06-15 16:46:25 -0700371 Assert.fail();
372 } catch (NullPointerException expected) {
jeffhao5d1ac922011-09-29 17:41:15 -0700373 }
Elliott Hughes28c384b2012-06-15 16:46:25 -0700374 try {
Andreas Gampe678e6952015-05-07 16:44:58 -0700375 testNullIndex(strNull, 'a', 0);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700376 Assert.fail();
377 } catch (NullPointerException expected) {
jeffhao5d1ac922011-09-29 17:41:15 -0700378 }
Elliott Hughes28c384b2012-06-15 16:46:25 -0700379 try {
Andreas Gampe678e6952015-05-07 16:44:58 -0700380 testNullIndex(strNull, 'a', -1);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700381 Assert.fail();
382 } catch (NullPointerException expected) {
jeffhao5d1ac922011-09-29 17:41:15 -0700383 }
Elliott Hughes28c384b2012-06-15 16:46:25 -0700384 }
jeffhao5d1ac922011-09-29 17:41:15 -0700385
Andreas Gampe678e6952015-05-07 16:44:58 -0700386 private static int testNullIndex(String strNull, int c) {
387 return strNull.indexOf(c);
388 }
389
390 private static int testNullIndex(String strNull, int c, int startIndex) {
391 return strNull.indexOf(c, startIndex);
392 }
393
Elliott Hughes28c384b2012-06-15 16:46:25 -0700394 public static void test_String_compareTo() {
395 String test = "0123456789";
396 String test1 = new String("0123456789"); // different object
397 String test2 = new String("0123456780"); // different value
398 String offset = new String("xxx0123456789yyy");
399 String sub = offset.substring(3, 13);
400 String str32 = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
401 String str33 = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxy";
402 String lc = "abcdefg";
403 String uc = "ABCDEFG";
404 Object blah = new Object();
405
406 Assert.assertTrue(lc.toUpperCase().equals(uc));
407
408 Assert.assertEquals(str32.compareTo(str33), -1);
409 Assert.assertEquals(str33.compareTo(str32), 1);
410
411 Assert.assertTrue(test.equals(test));
412 Assert.assertTrue(test.equals(test1));
413 Assert.assertFalse(test.equals(test2));
414
415 Assert.assertEquals(test.compareTo(test1), 0);
416 Assert.assertTrue(test1.compareTo(test2) > 0);
417 Assert.assertTrue(test2.compareTo(test1) < 0);
418
419 // Compare string with a nonzero offset, in left/right side.
420 Assert.assertEquals(test.compareTo(sub), 0);
421 Assert.assertEquals(sub.compareTo(test), 0);
422 Assert.assertTrue(test.equals(sub));
423 Assert.assertTrue(sub.equals(test));
424 // Same base, one is a substring.
425 Assert.assertFalse(offset.equals(sub));
426 Assert.assertFalse(sub.equals(offset));
427 // Wrong class.
428 Assert.assertFalse(test.equals(blah));
429
430 // Null lhs - throw.
431 try {
432 test.compareTo(null);
433 Assert.fail("didn't get expected npe");
434 } catch (NullPointerException npe) {
435 }
436 // Null rhs - okay.
437 Assert.assertFalse(test.equals(null));
438
439 test = test.substring(1);
440 Assert.assertTrue(test.equals("123456789"));
441 Assert.assertFalse(test.equals(test1));
442
443 test = test.substring(1);
444 Assert.assertTrue(test.equals("23456789"));
445
446 test = test.substring(1);
447 Assert.assertTrue(test.equals("3456789"));
448
449 test = test.substring(1);
450 Assert.assertTrue(test.equals("456789"));
451
452 test = test.substring(3,5);
453 Assert.assertTrue(test.equals("78"));
454
455 test = "this/is/a/path";
456 String[] strings = test.split("/");
457 Assert.assertEquals(4, strings.length);
458
459 Assert.assertEquals("this is a path", test.replaceAll("/", " "));
460 Assert.assertEquals("this is a path", test.replace("/", " "));
461 }
462
463 public static void test_Math_abs_I() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800464 Math.abs(-1);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700465 Assert.assertEquals(Math.abs(0), 0);
466 Assert.assertEquals(Math.abs(123), 123);
467 Assert.assertEquals(Math.abs(-123), 123);
468 Assert.assertEquals(Math.abs(Integer.MAX_VALUE), Integer.MAX_VALUE);
469 Assert.assertEquals(Math.abs(Integer.MIN_VALUE), Integer.MIN_VALUE);
470 Assert.assertEquals(Math.abs(Integer.MIN_VALUE - 1), Integer.MAX_VALUE);
Sebastien Hertzbf1442d2013-03-05 15:12:40 +0100471 Assert.assertEquals(Math.abs(Integer.MIN_VALUE + 1), Integer.MAX_VALUE);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700472 }
473
474 public static void test_Math_abs_J() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800475 Math.abs(-1L);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700476 Assert.assertEquals(Math.abs(0L), 0L);
477 Assert.assertEquals(Math.abs(123L), 123L);
478 Assert.assertEquals(Math.abs(-123L), 123L);
479 Assert.assertEquals(Math.abs(Long.MAX_VALUE), Long.MAX_VALUE);
480 Assert.assertEquals(Math.abs(Long.MIN_VALUE), Long.MIN_VALUE);
481 Assert.assertEquals(Math.abs(Long.MIN_VALUE - 1), Long.MAX_VALUE);
Andreas Gampe2bcf9bf2015-01-29 09:56:07 -0800482 Assert.assertEquals(Math.abs(2147483648L), 2147483648L);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700483 }
484
Serban Constantinescu23abec92014-07-02 16:13:38 +0100485 public static void test_Math_min_I() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800486 Math.min(1, 0);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700487 Assert.assertEquals(Math.min(0, 0), 0);
488 Assert.assertEquals(Math.min(1, 0), 0);
489 Assert.assertEquals(Math.min(0, 1), 0);
490 Assert.assertEquals(Math.min(0, Integer.MAX_VALUE), 0);
491 Assert.assertEquals(Math.min(Integer.MIN_VALUE, 0), Integer.MIN_VALUE);
492 Assert.assertEquals(Math.min(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MIN_VALUE);
493 }
494
Serban Constantinescu23abec92014-07-02 16:13:38 +0100495 public static void test_Math_max_I() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800496 Math.max(1, 0);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700497 Assert.assertEquals(Math.max(0, 0), 0);
498 Assert.assertEquals(Math.max(1, 0), 1);
499 Assert.assertEquals(Math.max(0, 1), 1);
500 Assert.assertEquals(Math.max(0, Integer.MAX_VALUE), Integer.MAX_VALUE);
501 Assert.assertEquals(Math.max(Integer.MIN_VALUE, 0), 0);
502 Assert.assertEquals(Math.max(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MAX_VALUE);
503 }
504
Serban Constantinescu23abec92014-07-02 16:13:38 +0100505 public static void test_Math_min_J() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800506 Math.min(1L, 0L);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100507 Assert.assertEquals(Math.min(0L, 0L), 0L);
508 Assert.assertEquals(Math.min(1L, 0L), 0L);
509 Assert.assertEquals(Math.min(0L, 1L), 0L);
510 Assert.assertEquals(Math.min(0L, Long.MAX_VALUE), 0L);
511 Assert.assertEquals(Math.min(Long.MIN_VALUE, 0L), Long.MIN_VALUE);
512 Assert.assertEquals(Math.min(Long.MIN_VALUE, Long.MAX_VALUE), Long.MIN_VALUE);
513 }
514
515 public static void test_Math_max_J() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800516 Math.max(1L, 0L);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100517 Assert.assertEquals(Math.max(0L, 0L), 0L);
518 Assert.assertEquals(Math.max(1L, 0L), 1L);
519 Assert.assertEquals(Math.max(0L, 1L), 1L);
520 Assert.assertEquals(Math.max(0L, Long.MAX_VALUE), Long.MAX_VALUE);
521 Assert.assertEquals(Math.max(Long.MIN_VALUE, 0L), 0L);
522 Assert.assertEquals(Math.max(Long.MIN_VALUE, Long.MAX_VALUE), Long.MAX_VALUE);
523 }
524
525 public static void test_Math_min_F() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800526 Math.min(1.0f, Float.NaN);
Alexei Zavjalov1222c962014-07-16 00:54:13 +0700527 Assert.assertTrue(Float.isNaN(Math.min(1.0f, Float.NaN)));
528 Assert.assertTrue(Float.isNaN(Math.min(Float.NaN, 1.0f)));
529 Assert.assertEquals(Math.min(-0.0f, 0.0f), -0.0f);
530 Assert.assertEquals(Math.min(0.0f, -0.0f), -0.0f);
531 Assert.assertEquals(Math.min(-0.0f, -0.0f), -0.0f);
532 Assert.assertEquals(Math.min(0.0f, 0.0f), 0.0f);
533 Assert.assertEquals(Math.min(1.0f, 0.0f), 0.0f);
534 Assert.assertEquals(Math.min(0.0f, 1.0f), 0.0f);
535 Assert.assertEquals(Math.min(0.0f, Float.MAX_VALUE), 0.0f);
536 Assert.assertEquals(Math.min(Float.MIN_VALUE, 0.0f), 0.0f);
537 Assert.assertEquals(Math.min(Float.MIN_VALUE, Float.MAX_VALUE), Float.MIN_VALUE);
xueliang.zhongc032e742016-03-28 16:44:32 +0100538 // Should not have flush-to-zero behavior.
539 Assert.assertEquals(Math.min(Float.MIN_VALUE, Float.MIN_VALUE), Float.MIN_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100540 }
541
542 public static void test_Math_max_F() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800543 Math.max(1.0f, Float.NaN);
Alexei Zavjalov1222c962014-07-16 00:54:13 +0700544 Assert.assertTrue(Float.isNaN(Math.max(1.0f, Float.NaN)));
545 Assert.assertTrue(Float.isNaN(Math.max(Float.NaN, 1.0f)));
546 Assert.assertEquals(Math.max(-0.0f, 0.0f), 0.0f);
547 Assert.assertEquals(Math.max(0.0f, -0.0f), 0.0f);
548 Assert.assertEquals(Math.max(-0.0f, -0.0f), -0.0f);
549 Assert.assertEquals(Math.max(0.0f, 0.0f), 0.0f);
550 Assert.assertEquals(Math.max(1.0f, 0.0f), 1.0f);
551 Assert.assertEquals(Math.max(0.0f, 1.0f), 1.0f);
552 Assert.assertEquals(Math.max(0.0f, Float.MAX_VALUE), Float.MAX_VALUE);
Alexei Zavjalov1222c962014-07-16 00:54:13 +0700553 Assert.assertEquals(Math.max(Float.MIN_VALUE, Float.MAX_VALUE), Float.MAX_VALUE);
xueliang.zhongc032e742016-03-28 16:44:32 +0100554 // Should not have flush-to-zero behavior.
555 Assert.assertEquals(Math.max(Float.MIN_VALUE, 0.0f), Float.MIN_VALUE);
556 Assert.assertEquals(Math.max(Float.MIN_VALUE, Float.MIN_VALUE), Float.MIN_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100557 }
558
559 public static void test_Math_min_D() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800560 Math.min(1.0d, Double.NaN);
Alexei Zavjalov1222c962014-07-16 00:54:13 +0700561 Assert.assertTrue(Double.isNaN(Math.min(1.0d, Double.NaN)));
562 Assert.assertTrue(Double.isNaN(Math.min(Double.NaN, 1.0d)));
563 Assert.assertEquals(Math.min(-0.0d, 0.0d), -0.0d);
564 Assert.assertEquals(Math.min(0.0d, -0.0d), -0.0d);
565 Assert.assertEquals(Math.min(-0.0d, -0.0d), -0.0d);
566 Assert.assertEquals(Math.min(0.0d, 0.0d), 0.0d);
567 Assert.assertEquals(Math.min(1.0d, 0.0d), 0.0d);
568 Assert.assertEquals(Math.min(0.0d, 1.0d), 0.0d);
569 Assert.assertEquals(Math.min(0.0d, Double.MAX_VALUE), 0.0d);
570 Assert.assertEquals(Math.min(Double.MIN_VALUE, 0.0d), 0.0d);
571 Assert.assertEquals(Math.min(Double.MIN_VALUE, Double.MAX_VALUE), Double.MIN_VALUE);
xueliang.zhongc032e742016-03-28 16:44:32 +0100572 // Should not have flush-to-zero behavior.
573 Assert.assertEquals(Math.min(Double.MIN_VALUE, Double.MIN_VALUE), Double.MIN_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100574 }
575
576 public static void test_Math_max_D() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800577 Math.max(1.0d, Double.NaN);
Alexei Zavjalov1222c962014-07-16 00:54:13 +0700578 Assert.assertTrue(Double.isNaN(Math.max(1.0d, Double.NaN)));
579 Assert.assertTrue(Double.isNaN(Math.max(Double.NaN, 1.0d)));
580 Assert.assertEquals(Math.max(-0.0d, 0.0d), 0.0d);
581 Assert.assertEquals(Math.max(0.0d, -0.0d), 0.0d);
582 Assert.assertEquals(Math.max(-0.0d, -0.0d), -0.0d);
583 Assert.assertEquals(Math.max(0.0d, 0.0d), 0.0d);
584 Assert.assertEquals(Math.max(1.0d, 0.0d), 1.0d);
585 Assert.assertEquals(Math.max(0.0d, 1.0d), 1.0d);
586 Assert.assertEquals(Math.max(0.0d, Double.MAX_VALUE), Double.MAX_VALUE);
587 Assert.assertEquals(Math.max(Double.MIN_VALUE, 0.0d), Double.MIN_VALUE);
588 Assert.assertEquals(Math.max(Double.MIN_VALUE, Double.MAX_VALUE), Double.MAX_VALUE);
xueliang.zhongc032e742016-03-28 16:44:32 +0100589 // Should not have flush-to-zero behavior.
590 Assert.assertEquals(Math.max(Double.MIN_VALUE, 0.0d), Double.MIN_VALUE);
591 Assert.assertEquals(Math.max(Double.MIN_VALUE, Double.MIN_VALUE), Double.MIN_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100592 }
593
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800594 public static void test_Math_sqrt() {
595 Math.sqrt(+4.0);
596 Assert.assertEquals(Math.sqrt(+4.0), +2.0d, 0.0);
597 Assert.assertEquals(Math.sqrt(+49.0), +7.0d, 0.0);
598 Assert.assertEquals(Math.sqrt(+1.44), +1.2d, 0.0);
599 }
600
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100601 public static void test_Math_ceil() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800602 Math.ceil(-0.9);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100603 Assert.assertEquals(Math.ceil(+0.0), +0.0d, 0.0);
604 Assert.assertEquals(Math.ceil(-0.0), -0.0d, 0.0);
605 Assert.assertEquals(Math.ceil(-0.9), -0.0d, 0.0);
606 Assert.assertEquals(Math.ceil(-0.5), -0.0d, 0.0);
607 Assert.assertEquals(Math.ceil(0.0), -0.0d, 0.0);
608 Assert.assertEquals(Math.ceil(+2.0), +2.0d, 0.0);
609 Assert.assertEquals(Math.ceil(+2.1), +3.0d, 0.0);
610 Assert.assertEquals(Math.ceil(+2.5), +3.0d, 0.0);
611 Assert.assertEquals(Math.ceil(+2.9), +3.0d, 0.0);
612 Assert.assertEquals(Math.ceil(+3.0), +3.0d, 0.0);
613 Assert.assertEquals(Math.ceil(-2.0), -2.0d, 0.0);
614 Assert.assertEquals(Math.ceil(-2.1), -2.0d, 0.0);
615 Assert.assertEquals(Math.ceil(-2.5), -2.0d, 0.0);
616 Assert.assertEquals(Math.ceil(-2.9), -2.0d, 0.0);
617 Assert.assertEquals(Math.ceil(-3.0), -3.0d, 0.0);
Chris Larsen82831092015-08-25 09:06:58 -0700618 // 2^52 - 1.5
619 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x432FFFFFFFFFFFFDl)),
620 Double.longBitsToDouble(0x432FFFFFFFFFFFFEl), 0.0);
621 // 2^52 - 0.5
622 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x432FFFFFFFFFFFFFl)),
623 Double.longBitsToDouble(0x4330000000000000l), 0.0);
624 // 2^52
625 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x4330000000000000l)),
626 Double.longBitsToDouble(0x4330000000000000l), 0.0);
627 // 2^53 - 1
628 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x433FFFFFFFFFFFFFl)),
629 Double.longBitsToDouble(0x433FFFFFFFFFFFFFl), 0.0);
630 // 2^53
631 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x4340000000000000l)),
632 Double.longBitsToDouble(0x4340000000000000l), 0.0);
633 // 2^63 - 2^10
634 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x43DFFFFFFFFFFFFFl)),
635 Double.longBitsToDouble(0x43DFFFFFFFFFFFFFl), 0.0);
636 // 2^63
637 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x43E0000000000000l)),
638 Double.longBitsToDouble(0x43E0000000000000l), 0.0);
639 // 2^64
640 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x43F0000000000000l)),
641 Double.longBitsToDouble(0x43F0000000000000l), 0.0);
642 // -(2^52 - 1.5)
643 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC32FFFFFFFFFFFFDl)),
644 Double.longBitsToDouble(0xC32FFFFFFFFFFFFCl), 0.0);
645 // -(2^52 - 0.5)
646 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC32FFFFFFFFFFFFFl)),
647 Double.longBitsToDouble(0xC32FFFFFFFFFFFFEl), 0.0);
648 // -2^52
649 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC330000000000000l)),
650 Double.longBitsToDouble(0xC330000000000000l), 0.0);
651 // -(2^53 - 1)
652 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC33FFFFFFFFFFFFFl)),
653 Double.longBitsToDouble(0xC33FFFFFFFFFFFFFl), 0.0);
654 // -2^53
655 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC340000000000000l)),
656 Double.longBitsToDouble(0xC340000000000000l), 0.0);
657 // -(2^63 - 2^10)
658 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC3DFFFFFFFFFFFFFl)),
659 Double.longBitsToDouble(0xC3DFFFFFFFFFFFFFl), 0.0);
660 // -2^63
661 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC3E0000000000000l)),
662 Double.longBitsToDouble(0xC3E0000000000000l), 0.0);
663 // -2^64
664 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC3F0000000000000l)),
665 Double.longBitsToDouble(0xC3F0000000000000l), 0.0);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100666 Assert.assertEquals(Math.ceil(Double.NaN), Double.NaN, 0.0);
667 Assert.assertEquals(Math.ceil(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0);
668 Assert.assertEquals(Math.ceil(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0);
669 }
670
671 public static void test_Math_floor() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800672 Math.floor(+2.1);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100673 Assert.assertEquals(Math.floor(+0.0), +0.0d, 0.0);
674 Assert.assertEquals(Math.floor(-0.0), -0.0d, 0.0);
675 Assert.assertEquals(Math.floor(+2.0), +2.0d, 0.0);
676 Assert.assertEquals(Math.floor(+2.1), +2.0d, 0.0);
677 Assert.assertEquals(Math.floor(+2.5), +2.0d, 0.0);
678 Assert.assertEquals(Math.floor(+2.9), +2.0d, 0.0);
679 Assert.assertEquals(Math.floor(+3.0), +3.0d, 0.0);
680 Assert.assertEquals(Math.floor(-2.0), -2.0d, 0.0);
681 Assert.assertEquals(Math.floor(-2.1), -3.0d, 0.0);
682 Assert.assertEquals(Math.floor(-2.5), -3.0d, 0.0);
683 Assert.assertEquals(Math.floor(-2.9), -3.0d, 0.0);
684 Assert.assertEquals(Math.floor(-3.0), -3.0d, 0.0);
Chris Larsen82831092015-08-25 09:06:58 -0700685 // 2^52 - 1.5
686 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x432FFFFFFFFFFFFDl)),
687 Double.longBitsToDouble(0x432FFFFFFFFFFFFCl), 0.0);
688 // 2^52 - 0.5
689 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x432FFFFFFFFFFFFFl)),
690 Double.longBitsToDouble(0x432FFFFFFFFFFFFEl), 0.0);
691 // 2^52
692 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x4330000000000000l)),
693 Double.longBitsToDouble(0x4330000000000000l), 0.0);
694 // 2^53 - 1
695 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x433FFFFFFFFFFFFFl)),
696 Double.longBitsToDouble(0x433FFFFFFFFFFFFFl), 0.0);
697 // 2^53
698 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x4340000000000000l)),
699 Double.longBitsToDouble(0x4340000000000000l), 0.0);
700 // 2^63 - 2^10
701 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x43DFFFFFFFFFFFFFl)),
702 Double.longBitsToDouble(0x43DFFFFFFFFFFFFFl), 0.0);
703 // 2^63
704 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x43E0000000000000l)),
705 Double.longBitsToDouble(0x43E0000000000000l), 0.0);
706 // 2^64
707 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x43F0000000000000l)),
708 Double.longBitsToDouble(0x43F0000000000000l), 0.0);
709 // -(2^52 - 1.5)
710 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC32FFFFFFFFFFFFDl)),
711 Double.longBitsToDouble(0xC32FFFFFFFFFFFFEl), 0.0);
712 // -(2^52 - 0.5)
713 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC32FFFFFFFFFFFFFl)),
714 Double.longBitsToDouble(0xC330000000000000l), 0.0);
715 // -2^52
716 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC330000000000000l)),
717 Double.longBitsToDouble(0xC330000000000000l), 0.0);
718 // -(2^53 - 1)
719 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC33FFFFFFFFFFFFFl)),
720 Double.longBitsToDouble(0xC33FFFFFFFFFFFFFl), 0.0);
721 // -2^53
722 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC340000000000000l)),
723 Double.longBitsToDouble(0xC340000000000000l), 0.0);
724 // -(2^63 - 2^10)
725 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC3DFFFFFFFFFFFFFl)),
726 Double.longBitsToDouble(0xC3DFFFFFFFFFFFFFl), 0.0);
727 // -2^63
728 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC3E0000000000000l)),
729 Double.longBitsToDouble(0xC3E0000000000000l), 0.0);
730 // -2^64
731 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC3F0000000000000l)),
732 Double.longBitsToDouble(0xC3F0000000000000l), 0.0);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100733 Assert.assertEquals(Math.floor(Double.NaN), Double.NaN, 0.0);
734 Assert.assertEquals(Math.floor(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0);
735 Assert.assertEquals(Math.floor(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0);
736 }
737
738 public static void test_Math_rint() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800739 Math.rint(+2.1);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100740 Assert.assertEquals(Math.rint(+0.0), +0.0d, 0.0);
741 Assert.assertEquals(Math.rint(-0.0), -0.0d, 0.0);
xueliang.zhong6099d5e2016-04-20 18:44:56 +0100742 Assert.assertEquals(Math.rint(+0.5), +0.0d, 0.0); // expects tie-to-even
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100743 Assert.assertEquals(Math.rint(+2.0), +2.0d, 0.0);
744 Assert.assertEquals(Math.rint(+2.1), +2.0d, 0.0);
xueliang.zhong6099d5e2016-04-20 18:44:56 +0100745 Assert.assertEquals(Math.rint(+2.5), +2.0d, 0.0); // expects tie-to-even
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100746 Assert.assertEquals(Math.rint(+2.9), +3.0d, 0.0);
747 Assert.assertEquals(Math.rint(+3.0), +3.0d, 0.0);
xueliang.zhong6099d5e2016-04-20 18:44:56 +0100748 Assert.assertEquals(Math.rint(+3.5), +4.0d, 0.0); // expects tie-to-even
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100749 Assert.assertEquals(Math.rint(-2.0), -2.0d, 0.0);
750 Assert.assertEquals(Math.rint(-2.1), -2.0d, 0.0);
xueliang.zhong6099d5e2016-04-20 18:44:56 +0100751 Assert.assertEquals(Math.rint(-2.5), -2.0d, 0.0); // expects tie-to-even
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100752 Assert.assertEquals(Math.rint(-2.9), -3.0d, 0.0);
753 Assert.assertEquals(Math.rint(-3.0), -3.0d, 0.0);
xueliang.zhong6099d5e2016-04-20 18:44:56 +0100754 Assert.assertEquals(Math.rint(-3.5), -4.0d, 0.0); // expects tie-to-even
Chris Larsen82831092015-08-25 09:06:58 -0700755 // 2^52 - 1.5
756 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x432FFFFFFFFFFFFDl)),
757 Double.longBitsToDouble(0x432FFFFFFFFFFFFCl), 0.0);
758 // 2^52 - 0.5
759 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x432FFFFFFFFFFFFFl)),
760 Double.longBitsToDouble(0x4330000000000000l), 0.0);
761 // 2^52
762 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x4330000000000000l)),
763 Double.longBitsToDouble(0x4330000000000000l), 0.0);
764 // 2^53 - 1
765 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x433FFFFFFFFFFFFFl)),
766 Double.longBitsToDouble(0x433FFFFFFFFFFFFFl), 0.0);
767 // 2^53
768 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x4340000000000000l)),
769 Double.longBitsToDouble(0x4340000000000000l), 0.0);
770 // 2^63 - 2^10
771 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x43DFFFFFFFFFFFFFl)),
772 Double.longBitsToDouble(0x43DFFFFFFFFFFFFFl), 0.0);
773 // 2^63
774 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x43E0000000000000l)),
775 Double.longBitsToDouble(0x43E0000000000000l), 0.0);
776 // 2^64
777 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x43F0000000000000l)),
778 Double.longBitsToDouble(0x43F0000000000000l), 0.0);
779 // -(2^52 - 1.5)
780 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC32FFFFFFFFFFFFDl)),
781 Double.longBitsToDouble(0xC32FFFFFFFFFFFFCl), 0.0);
782 // -(2^52 - 0.5)
783 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC32FFFFFFFFFFFFFl)),
784 Double.longBitsToDouble(0xC330000000000000l), 0.0);
785 // -2^52
786 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC330000000000000l)),
787 Double.longBitsToDouble(0xC330000000000000l), 0.0);
788 // -(2^53 - 1)
789 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC33FFFFFFFFFFFFFl)),
790 Double.longBitsToDouble(0xC33FFFFFFFFFFFFFl), 0.0);
791 // -2^53
792 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC340000000000000l)),
793 Double.longBitsToDouble(0xC340000000000000l), 0.0);
794 // -(2^63 - 2^10)
795 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC3DFFFFFFFFFFFFFl)),
796 Double.longBitsToDouble(0xC3DFFFFFFFFFFFFFl), 0.0);
797 // -2^63
798 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC3E0000000000000l)),
799 Double.longBitsToDouble(0xC3E0000000000000l), 0.0);
800 // -2^64
801 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC3F0000000000000l)),
802 Double.longBitsToDouble(0xC3F0000000000000l), 0.0);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100803 Assert.assertEquals(Math.rint(Double.NaN), Double.NaN, 0.0);
804 Assert.assertEquals(Math.rint(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0);
805 Assert.assertEquals(Math.rint(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0);
806 }
807
808 public static void test_Math_round_D() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800809 Math.round(2.1d);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100810 Assert.assertEquals(Math.round(+0.0d), (long)+0.0);
811 Assert.assertEquals(Math.round(-0.0d), (long)+0.0);
812 Assert.assertEquals(Math.round(2.0d), 2l);
813 Assert.assertEquals(Math.round(2.1d), 2l);
814 Assert.assertEquals(Math.round(2.5d), 3l);
815 Assert.assertEquals(Math.round(2.9d), 3l);
816 Assert.assertEquals(Math.round(3.0d), 3l);
817 Assert.assertEquals(Math.round(-2.0d), -2l);
818 Assert.assertEquals(Math.round(-2.1d), -2l);
819 Assert.assertEquals(Math.round(-2.5d), -2l);
820 Assert.assertEquals(Math.round(-2.9d), -3l);
821 Assert.assertEquals(Math.round(-3.0d), -3l);
Yi Kong879ca672015-11-18 14:11:44 +0000822 Assert.assertEquals(Math.round(0.49999999999999994d), 0l);
Chris Larsen7adaab02016-04-21 14:49:20 -0700823 Assert.assertEquals(Math.round(4503599627370495.0d), 4503599627370495l); // 2^52 - 1
824 Assert.assertEquals(Math.round(4503599627370495.5d), 4503599627370496l); // 2^52 - 0.5
825 Assert.assertEquals(Math.round(4503599627370496.0d), 4503599627370496l); // 2^52
826 Assert.assertEquals(Math.round(-4503599627370495.0d), -4503599627370495l); // -(2^52 - 1)
827 Assert.assertEquals(Math.round(-4503599627370495.5d), -4503599627370495l); // -(2^52 - 0.5)
828 Assert.assertEquals(Math.round(-4503599627370496.0d), -4503599627370496l); // -2^52
Hans Boehm92d4f0e2016-02-17 12:14:03 -0800829 Assert.assertEquals(Math.round(9007199254740991.0d), 9007199254740991l); // 2^53 - 1
Chris Larsenf09d5322016-04-22 12:06:34 -0700830 Assert.assertEquals(Math.round(-9007199254740991.0d), -9007199254740991l); // -(2^53 - 1)
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100831 Assert.assertEquals(Math.round(Double.NaN), (long)+0.0d);
832 Assert.assertEquals(Math.round(Long.MAX_VALUE + 1.0d), Long.MAX_VALUE);
833 Assert.assertEquals(Math.round(Long.MIN_VALUE - 1.0d), Long.MIN_VALUE);
Chris Larsen7adaab02016-04-21 14:49:20 -0700834 Assert.assertEquals(Math.round(Double.longBitsToDouble(0x43F0000000000000l)),
835 Long.MAX_VALUE); // 2^64
836 Assert.assertEquals(Math.round(Double.longBitsToDouble(0xC3F0000000000000l)),
837 Long.MIN_VALUE); // -2^64
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100838 Assert.assertEquals(Math.round(Double.POSITIVE_INFINITY), Long.MAX_VALUE);
839 Assert.assertEquals(Math.round(Double.NEGATIVE_INFINITY), Long.MIN_VALUE);
840 }
841
842 public static void test_Math_round_F() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800843 Math.round(2.1f);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100844 Assert.assertEquals(Math.round(+0.0f), (int)+0.0);
845 Assert.assertEquals(Math.round(-0.0f), (int)+0.0);
846 Assert.assertEquals(Math.round(2.0f), 2);
847 Assert.assertEquals(Math.round(2.1f), 2);
848 Assert.assertEquals(Math.round(2.5f), 3);
849 Assert.assertEquals(Math.round(2.9f), 3);
850 Assert.assertEquals(Math.round(3.0f), 3);
851 Assert.assertEquals(Math.round(-2.0f), -2);
852 Assert.assertEquals(Math.round(-2.1f), -2);
853 Assert.assertEquals(Math.round(-2.5f), -2);
854 Assert.assertEquals(Math.round(-2.9f), -3);
855 Assert.assertEquals(Math.round(-3.0f), -3);
Chris Larsenb74353a2015-11-20 09:07:09 -0800856 // 0.4999999701976776123046875
857 Assert.assertEquals(Math.round(Float.intBitsToFloat(0x3EFFFFFF)), (int)+0.0f);
Chris Larsenf09d5322016-04-22 12:06:34 -0700858 Assert.assertEquals(Math.round(8388607.0f), 8388607); // 2^23 - 1
859 Assert.assertEquals(Math.round(8388607.5f), 8388608); // 2^23 - 0.5
860 Assert.assertEquals(Math.round(8388608.0f), 8388608); // 2^23
861 Assert.assertEquals(Math.round(-8388607.0f), -8388607); // -(2^23 - 1)
862 Assert.assertEquals(Math.round(-8388607.5f), -8388607); // -(2^23 - 0.5)
863 Assert.assertEquals(Math.round(-8388608.0f), -8388608); // -2^23
Hans Boehm92d4f0e2016-02-17 12:14:03 -0800864 Assert.assertEquals(Math.round(16777215.0f), 16777215); // 2^24 - 1
Chris Larsenf09d5322016-04-22 12:06:34 -0700865 Assert.assertEquals(Math.round(16777216.0f), 16777216); // 2^24
866 Assert.assertEquals(Math.round(-16777215.0f), -16777215); // -(2^24 - 1)
867 Assert.assertEquals(Math.round(-16777216.0f), -16777216); // -2^24
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100868 Assert.assertEquals(Math.round(Float.NaN), (int)+0.0f);
869 Assert.assertEquals(Math.round(Integer.MAX_VALUE + 1.0f), Integer.MAX_VALUE);
870 Assert.assertEquals(Math.round(Integer.MIN_VALUE - 1.0f), Integer.MIN_VALUE);
Chris Larsen7adaab02016-04-21 14:49:20 -0700871 Assert.assertEquals(Math.round(Float.intBitsToFloat(0x4F800000)),
872 Integer.MAX_VALUE); // 2^32
873 Assert.assertEquals(Math.round(Float.intBitsToFloat(0xCF800000)),
874 Integer.MIN_VALUE); // -2^32
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100875 Assert.assertEquals(Math.round(Float.POSITIVE_INFINITY), Integer.MAX_VALUE);
876 Assert.assertEquals(Math.round(Float.NEGATIVE_INFINITY), Integer.MIN_VALUE);
877 }
878
Chris Larsen2714fe62016-02-11 14:23:53 -0800879 public static void test_Math_isNaN_D() {
880 // Quiet NaN.
881 Assert.assertTrue(Double.isNaN(Double.longBitsToDouble(0x7FF4000000000000l)));
882 Assert.assertTrue(Double.isNaN(Double.longBitsToDouble(0xFFF4000000000000l)));
883 // Signaling NaN.
884 Assert.assertTrue(Double.isNaN(Double.longBitsToDouble(0x7FF8000000000000l)));
885 Assert.assertTrue(Double.isNaN(Double.longBitsToDouble(0xFFF8000000000000l)));
886 // Distinct from +/- infinity.
887 Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0x7FF0000000000000l)));
888 Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0xFFF0000000000000l)));
889 // Distinct from normal numbers.
890 Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0x7FE0000000000000l)));
891 Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0xFFE0000000000000l)));
892 Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0x0010000000000000l)));
893 Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0x8010000000000000l)));
894 // Distinct from +/- zero.
895 Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0x0000000000000000l)));
896 Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0x8000000000000000l)));
897 // Distinct from subnormal numbers.
898 Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0x0008000000000000l)));
899 Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0x8008000000000000l)));
900 Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0x0000000000000001l)));
901 Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0x8000000000000001l)));
902 }
903
904 public static void test_Math_isNaN_F() {
905 // Quiet NaN.
906 Assert.assertTrue(Float.isNaN(Float.intBitsToFloat(0x7FA00000)));
907 Assert.assertTrue(Float.isNaN(Float.intBitsToFloat(0xFFA00000)));
908 // Signaling NaN.
909 Assert.assertTrue(Float.isNaN(Float.intBitsToFloat(0x7FC00000)));
910 Assert.assertTrue(Float.isNaN(Float.intBitsToFloat(0xFFC00000)));
911 // Distinct from +/- infinity.
912 Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0x7F800000)));
913 Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0xFF800000)));
914 // Distinct from normal numbers.
915 Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0x7F000000)));
916 Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0xFF000000)));
917 Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0x00800000)));
918 Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0x80800000)));
919 // Distinct from +/- zero.
920 Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0x00000000)));
921 Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0x80000000)));
922 // Distinct from subnormal numbers.
923 Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0x00400000)));
924 Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0x80400000)));
925 Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0x00000001)));
926 Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0x80000001)));
927 }
928
929 public static void test_Math_isInfinite_D() {
930 // Distinct from Quiet NaN.
931 Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x7FF4000000000000l)));
932 Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0xFFF4000000000000l)));
933 // Distinct from Signaling NaN.
934 Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x7FF8000000000000l)));
935 Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0xFFF8000000000000l)));
936 // +/- infinity.
937 Assert.assertTrue(Double.isInfinite(Double.longBitsToDouble(0x7FF0000000000000l)));
938 Assert.assertTrue(Double.isInfinite(Double.longBitsToDouble(0xFFF0000000000000l)));
939 // Distinct from normal numbers.
940 Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x7FE0000000000000l)));
941 Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0xFFE0000000000000l)));
942 Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x0010000000000000l)));
943 Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x8010000000000000l)));
944 // Distinct from +/- zero.
945 Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x0000000000000000l)));
946 Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x8000000000000000l)));
947 // Distinct from subnormal numbers.
948 Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x0008000000000000l)));
949 Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x8008000000000000l)));
950 Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x0000000000000001l)));
951 Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x8000000000000001l)));
952 }
953
954 public static void test_Math_isInfinite_F() {
955 // Distinct from Quiet NaN.
956 Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x7FA00000)));
957 Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0xFFA00000)));
958 // Distinct from Signaling NaN.
959 Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x7FC00000)));
960 Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0xFFC00000)));
961 // +/- infinity.
962 Assert.assertTrue(Float.isInfinite(Float.intBitsToFloat(0x7F800000)));
963 Assert.assertTrue(Float.isInfinite(Float.intBitsToFloat(0xFF800000)));
964 // Distinct from normal numbers.
965 Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x7F000000)));
966 Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0xFF000000)));
967 Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x00800000)));
968 Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x80800000)));
969 // Distinct from +/- zero.
970 Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x00000000)));
971 Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x80000000)));
972 // Distinct from subnormal numbers.
973 Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x00400000)));
974 Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x80400000)));
975 Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x00000001)));
976 Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x80000001)));
977 }
978
Sebastien Hertzbf1442d2013-03-05 15:12:40 +0100979 public static void test_StrictMath_abs_I() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800980 StrictMath.abs(-1);
Sebastien Hertzbf1442d2013-03-05 15:12:40 +0100981 Assert.assertEquals(StrictMath.abs(0), 0);
982 Assert.assertEquals(StrictMath.abs(123), 123);
983 Assert.assertEquals(StrictMath.abs(-123), 123);
984 Assert.assertEquals(StrictMath.abs(Integer.MAX_VALUE), Integer.MAX_VALUE);
985 Assert.assertEquals(StrictMath.abs(Integer.MIN_VALUE), Integer.MIN_VALUE);
986 Assert.assertEquals(StrictMath.abs(Integer.MIN_VALUE - 1), Integer.MAX_VALUE);
987 Assert.assertEquals(StrictMath.abs(Integer.MIN_VALUE + 1), Integer.MAX_VALUE);
988 }
989
990 public static void test_StrictMath_abs_J() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800991 StrictMath.abs(-1L);
Sebastien Hertzbf1442d2013-03-05 15:12:40 +0100992 Assert.assertEquals(StrictMath.abs(0L), 0L);
993 Assert.assertEquals(StrictMath.abs(123L), 123L);
994 Assert.assertEquals(StrictMath.abs(-123L), 123L);
995 Assert.assertEquals(StrictMath.abs(Long.MAX_VALUE), Long.MAX_VALUE);
996 Assert.assertEquals(StrictMath.abs(Long.MIN_VALUE), Long.MIN_VALUE);
997 Assert.assertEquals(StrictMath.abs(Long.MIN_VALUE - 1), Long.MAX_VALUE);
998 }
999
Serban Constantinescu23abec92014-07-02 16:13:38 +01001000 public static void test_StrictMath_min_I() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001001 StrictMath.min(1, 0);
Sebastien Hertzbf1442d2013-03-05 15:12:40 +01001002 Assert.assertEquals(StrictMath.min(0, 0), 0);
1003 Assert.assertEquals(StrictMath.min(1, 0), 0);
1004 Assert.assertEquals(StrictMath.min(0, 1), 0);
1005 Assert.assertEquals(StrictMath.min(0, Integer.MAX_VALUE), 0);
1006 Assert.assertEquals(StrictMath.min(Integer.MIN_VALUE, 0), Integer.MIN_VALUE);
1007 Assert.assertEquals(StrictMath.min(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MIN_VALUE);
1008 }
1009
Serban Constantinescu23abec92014-07-02 16:13:38 +01001010 public static void test_StrictMath_max_I() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001011 StrictMath.max(1, 0);
Sebastien Hertzbf1442d2013-03-05 15:12:40 +01001012 Assert.assertEquals(StrictMath.max(0, 0), 0);
1013 Assert.assertEquals(StrictMath.max(1, 0), 1);
1014 Assert.assertEquals(StrictMath.max(0, 1), 1);
1015 Assert.assertEquals(StrictMath.max(0, Integer.MAX_VALUE), Integer.MAX_VALUE);
1016 Assert.assertEquals(StrictMath.max(Integer.MIN_VALUE, 0), 0);
1017 Assert.assertEquals(StrictMath.max(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MAX_VALUE);
1018 }
1019
Serban Constantinescu23abec92014-07-02 16:13:38 +01001020 public static void test_StrictMath_min_J() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001021 StrictMath.min(1L, 0L);
Serban Constantinescu23abec92014-07-02 16:13:38 +01001022 Assert.assertEquals(StrictMath.min(0L, 0L), 0L);
1023 Assert.assertEquals(StrictMath.min(1L, 0L), 0L);
1024 Assert.assertEquals(StrictMath.min(0L, 1L), 0L);
1025 Assert.assertEquals(StrictMath.min(0L, Long.MAX_VALUE), 0L);
1026 Assert.assertEquals(StrictMath.min(Long.MIN_VALUE, 0L), Long.MIN_VALUE);
1027 Assert.assertEquals(StrictMath.min(Long.MIN_VALUE, Long.MAX_VALUE), Long.MIN_VALUE);
1028 }
1029
1030 public static void test_StrictMath_max_J() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001031 StrictMath.max(1L, 0L);
Serban Constantinescu23abec92014-07-02 16:13:38 +01001032 Assert.assertEquals(StrictMath.max(0L, 0L), 0L);
1033 Assert.assertEquals(StrictMath.max(1L, 0L), 1L);
1034 Assert.assertEquals(StrictMath.max(0L, 1L), 1L);
1035 Assert.assertEquals(StrictMath.max(0L, Long.MAX_VALUE), Long.MAX_VALUE);
1036 Assert.assertEquals(StrictMath.max(Long.MIN_VALUE, 0L), 0L);
1037 Assert.assertEquals(StrictMath.max(Long.MIN_VALUE, Long.MAX_VALUE), Long.MAX_VALUE);
1038 }
1039
1040 public static void test_StrictMath_min_F() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001041 StrictMath.min(1.0f, Float.NaN);
Alexei Zavjalov1222c962014-07-16 00:54:13 +07001042 Assert.assertTrue(Float.isNaN(StrictMath.min(1.0f, Float.NaN)));
1043 Assert.assertTrue(Float.isNaN(StrictMath.min(Float.NaN, 1.0f)));
1044 Assert.assertEquals(StrictMath.min(-0.0f, 0.0f), -0.0f);
1045 Assert.assertEquals(StrictMath.min(0.0f, -0.0f), -0.0f);
1046 Assert.assertEquals(StrictMath.min(-0.0f, -0.0f), -0.0f);
1047 Assert.assertEquals(StrictMath.min(0.0f, 0.0f), 0.0f);
1048 Assert.assertEquals(StrictMath.min(1.0f, 0.0f), 0.0f);
1049 Assert.assertEquals(StrictMath.min(0.0f, 1.0f), 0.0f);
1050 Assert.assertEquals(StrictMath.min(0.0f, Float.MAX_VALUE), 0.0f);
1051 Assert.assertEquals(StrictMath.min(Float.MIN_VALUE, 0.0f), 0.0f);
1052 Assert.assertEquals(StrictMath.min(Float.MIN_VALUE, Float.MAX_VALUE), Float.MIN_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +01001053 }
1054
1055 public static void test_StrictMath_max_F() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001056 StrictMath.max(1.0f, Float.NaN);
Alexei Zavjalov1222c962014-07-16 00:54:13 +07001057 Assert.assertTrue(Float.isNaN(StrictMath.max(1.0f, Float.NaN)));
1058 Assert.assertTrue(Float.isNaN(StrictMath.max(Float.NaN, 1.0f)));
1059 Assert.assertEquals(StrictMath.max(-0.0f, 0.0f), 0.0f);
1060 Assert.assertEquals(StrictMath.max(0.0f, -0.0f), 0.0f);
1061 Assert.assertEquals(StrictMath.max(-0.0f, -0.0f), -0.0f);
1062 Assert.assertEquals(StrictMath.max(0.0f, 0.0f), 0.0f);
1063 Assert.assertEquals(StrictMath.max(1.0f, 0.0f), 1.0f);
1064 Assert.assertEquals(StrictMath.max(0.0f, 1.0f), 1.0f);
1065 Assert.assertEquals(StrictMath.max(0.0f, Float.MAX_VALUE), Float.MAX_VALUE);
1066 Assert.assertEquals(StrictMath.max(Float.MIN_VALUE, 0.0f), Float.MIN_VALUE);
1067 Assert.assertEquals(StrictMath.max(Float.MIN_VALUE, Float.MAX_VALUE), Float.MAX_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +01001068 }
1069
1070 public static void test_StrictMath_min_D() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001071 StrictMath.min(1.0d, Double.NaN);
Alexei Zavjalov1222c962014-07-16 00:54:13 +07001072 Assert.assertTrue(Double.isNaN(StrictMath.min(1.0d, Double.NaN)));
1073 Assert.assertTrue(Double.isNaN(StrictMath.min(Double.NaN, 1.0d)));
1074 Assert.assertEquals(StrictMath.min(-0.0d, 0.0d), -0.0d);
1075 Assert.assertEquals(StrictMath.min(0.0d, -0.0d), -0.0d);
1076 Assert.assertEquals(StrictMath.min(-0.0d, -0.0d), -0.0d);
1077 Assert.assertEquals(StrictMath.min(0.0d, 0.0d), 0.0d);
1078 Assert.assertEquals(StrictMath.min(1.0d, 0.0d), 0.0d);
1079 Assert.assertEquals(StrictMath.min(0.0d, 1.0d), 0.0d);
1080 Assert.assertEquals(StrictMath.min(0.0d, Double.MAX_VALUE), 0.0d);
1081 Assert.assertEquals(StrictMath.min(Double.MIN_VALUE, 0.0d), 0.0d);
1082 Assert.assertEquals(StrictMath.min(Double.MIN_VALUE, Double.MAX_VALUE), Double.MIN_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +01001083 }
1084
1085 public static void test_StrictMath_max_D() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001086 StrictMath.max(1.0d, Double.NaN);
Alexei Zavjalov1222c962014-07-16 00:54:13 +07001087 Assert.assertTrue(Double.isNaN(StrictMath.max(1.0d, Double.NaN)));
1088 Assert.assertTrue(Double.isNaN(StrictMath.max(Double.NaN, 1.0d)));
1089 Assert.assertEquals(StrictMath.max(-0.0d, 0.0d), 0.0d);
1090 Assert.assertEquals(StrictMath.max(0.0d, -0.0d), 0.0d);
1091 Assert.assertEquals(StrictMath.max(-0.0d, -0.0d), -0.0d);
1092 Assert.assertEquals(StrictMath.max(0.0d, 0.0d), 0.0d);
1093 Assert.assertEquals(StrictMath.max(1.0d, 0.0d), 1.0d);
1094 Assert.assertEquals(StrictMath.max(0.0d, 1.0d), 1.0d);
1095 Assert.assertEquals(StrictMath.max(0.0d, Double.MAX_VALUE), Double.MAX_VALUE);
1096 Assert.assertEquals(StrictMath.max(Double.MIN_VALUE, 0.0d), Double.MIN_VALUE);
1097 Assert.assertEquals(StrictMath.max(Double.MIN_VALUE, Double.MAX_VALUE), Double.MAX_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +01001098 }
1099
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001100 public static void test_StrictMath_sqrt() {
1101 StrictMath.sqrt(+4.0);
1102 Assert.assertEquals(StrictMath.sqrt(+4.0), +2.0d, 0.0);
1103 Assert.assertEquals(StrictMath.sqrt(+49.0), +7.0d, 0.0);
1104 Assert.assertEquals(StrictMath.sqrt(+1.44), +1.2d, 0.0);
1105 }
1106
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +01001107 public static void test_StrictMath_ceil() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001108 StrictMath.ceil(-0.9);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +01001109 Assert.assertEquals(StrictMath.ceil(+0.0), +0.0d, 0.0);
1110 Assert.assertEquals(StrictMath.ceil(-0.0), -0.0d, 0.0);
1111 Assert.assertEquals(StrictMath.ceil(-0.9), -0.0d, 0.0);
1112 Assert.assertEquals(StrictMath.ceil(-0.5), -0.0d, 0.0);
1113 Assert.assertEquals(StrictMath.ceil(0.0), -0.0d, 0.0);
1114 Assert.assertEquals(StrictMath.ceil(+2.0), +2.0d, 0.0);
1115 Assert.assertEquals(StrictMath.ceil(+2.1), +3.0d, 0.0);
1116 Assert.assertEquals(StrictMath.ceil(+2.5), +3.0d, 0.0);
1117 Assert.assertEquals(StrictMath.ceil(+2.9), +3.0d, 0.0);
1118 Assert.assertEquals(StrictMath.ceil(+3.0), +3.0d, 0.0);
1119 Assert.assertEquals(StrictMath.ceil(-2.0), -2.0d, 0.0);
1120 Assert.assertEquals(StrictMath.ceil(-2.1), -2.0d, 0.0);
1121 Assert.assertEquals(StrictMath.ceil(-2.5), -2.0d, 0.0);
1122 Assert.assertEquals(StrictMath.ceil(-2.9), -2.0d, 0.0);
1123 Assert.assertEquals(StrictMath.ceil(-3.0), -3.0d, 0.0);
1124 Assert.assertEquals(StrictMath.ceil(Double.NaN), Double.NaN, 0.0);
1125 Assert.assertEquals(StrictMath.ceil(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0);
1126 Assert.assertEquals(StrictMath.ceil(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0);
1127 }
1128
1129 public static void test_StrictMath_floor() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001130 StrictMath.floor(+2.1);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +01001131 Assert.assertEquals(StrictMath.floor(+0.0), +0.0d, 0.0);
1132 Assert.assertEquals(StrictMath.floor(-0.0), -0.0d, 0.0);
1133 Assert.assertEquals(StrictMath.floor(+2.0), +2.0d, 0.0);
1134 Assert.assertEquals(StrictMath.floor(+2.1), +2.0d, 0.0);
1135 Assert.assertEquals(StrictMath.floor(+2.5), +2.0d, 0.0);
1136 Assert.assertEquals(StrictMath.floor(+2.9), +2.0d, 0.0);
1137 Assert.assertEquals(StrictMath.floor(+3.0), +3.0d, 0.0);
1138 Assert.assertEquals(StrictMath.floor(-2.0), -2.0d, 0.0);
1139 Assert.assertEquals(StrictMath.floor(-2.1), -3.0d, 0.0);
1140 Assert.assertEquals(StrictMath.floor(-2.5), -3.0d, 0.0);
1141 Assert.assertEquals(StrictMath.floor(-2.9), -3.0d, 0.0);
1142 Assert.assertEquals(StrictMath.floor(-3.0), -3.0d, 0.0);
1143 Assert.assertEquals(StrictMath.floor(Double.NaN), Double.NaN, 0.0);
1144 Assert.assertEquals(StrictMath.floor(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0);
1145 Assert.assertEquals(StrictMath.floor(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0);
1146 }
1147
1148 public static void test_StrictMath_rint() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001149 StrictMath.rint(+2.1);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +01001150 Assert.assertEquals(StrictMath.rint(+0.0), +0.0d, 0.0);
1151 Assert.assertEquals(StrictMath.rint(-0.0), -0.0d, 0.0);
1152 Assert.assertEquals(StrictMath.rint(+2.0), +2.0d, 0.0);
1153 Assert.assertEquals(StrictMath.rint(+2.1), +2.0d, 0.0);
1154 Assert.assertEquals(StrictMath.rint(+2.5), +2.0d, 0.0);
1155 Assert.assertEquals(StrictMath.rint(+2.9), +3.0d, 0.0);
1156 Assert.assertEquals(StrictMath.rint(+3.0), +3.0d, 0.0);
1157 Assert.assertEquals(StrictMath.rint(-2.0), -2.0d, 0.0);
1158 Assert.assertEquals(StrictMath.rint(-2.1), -2.0d, 0.0);
1159 Assert.assertEquals(StrictMath.rint(-2.5), -2.0d, 0.0);
1160 Assert.assertEquals(StrictMath.rint(-2.9), -3.0d, 0.0);
1161 Assert.assertEquals(StrictMath.rint(-3.0), -3.0d, 0.0);
1162 Assert.assertEquals(StrictMath.rint(Double.NaN), Double.NaN, 0.0);
1163 Assert.assertEquals(StrictMath.rint(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0);
1164 Assert.assertEquals(StrictMath.rint(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0);
1165 }
1166
1167 public static void test_StrictMath_round_D() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001168 StrictMath.round(2.1d);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +01001169 Assert.assertEquals(StrictMath.round(+0.0d), (long)+0.0);
1170 Assert.assertEquals(StrictMath.round(-0.0d), (long)+0.0);
1171 Assert.assertEquals(StrictMath.round(2.0d), 2l);
1172 Assert.assertEquals(StrictMath.round(2.1d), 2l);
1173 Assert.assertEquals(StrictMath.round(2.5d), 3l);
1174 Assert.assertEquals(StrictMath.round(2.9d), 3l);
1175 Assert.assertEquals(StrictMath.round(3.0d), 3l);
1176 Assert.assertEquals(StrictMath.round(-2.0d), -2l);
1177 Assert.assertEquals(StrictMath.round(-2.1d), -2l);
1178 Assert.assertEquals(StrictMath.round(-2.5d), -2l);
1179 Assert.assertEquals(StrictMath.round(-2.9d), -3l);
1180 Assert.assertEquals(StrictMath.round(-3.0d), -3l);
Yi Kong879ca672015-11-18 14:11:44 +00001181 Assert.assertEquals(StrictMath.round(0.49999999999999994d), 0l);
Chris Larsen7adaab02016-04-21 14:49:20 -07001182 Assert.assertEquals(StrictMath.round(4503599627370495.0d), 4503599627370495l); // 2^52 - 1
1183 Assert.assertEquals(StrictMath.round(4503599627370495.5d), 4503599627370496l); // 2^52 - 0.5
1184 Assert.assertEquals(StrictMath.round(4503599627370496.0d), 4503599627370496l); // 2^52
1185 Assert.assertEquals(StrictMath.round(-4503599627370495.0d), -4503599627370495l); // -(2^52 - 1)
1186 Assert.assertEquals(StrictMath.round(-4503599627370495.5d), -4503599627370495l); // -(2^52 - 0.5)
1187 Assert.assertEquals(StrictMath.round(-4503599627370496.0d), -4503599627370496l); // -2^52
Vladimir Marko9c1c06a2016-02-25 17:50:41 +00001188 Assert.assertEquals(StrictMath.round(9007199254740991.0d), 9007199254740991l); // 2^53 - 1
Chris Larsenf09d5322016-04-22 12:06:34 -07001189 Assert.assertEquals(StrictMath.round(-9007199254740991.0d), -9007199254740991l); // -(2^53 - 1)
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +01001190 Assert.assertEquals(StrictMath.round(Double.NaN), (long)+0.0d);
1191 Assert.assertEquals(StrictMath.round(Long.MAX_VALUE + 1.0d), Long.MAX_VALUE);
1192 Assert.assertEquals(StrictMath.round(Long.MIN_VALUE - 1.0d), Long.MIN_VALUE);
Chris Larsen7adaab02016-04-21 14:49:20 -07001193 Assert.assertEquals(StrictMath.round(Double.longBitsToDouble(0x43F0000000000000l)),
1194 Long.MAX_VALUE); // 2^64
1195 Assert.assertEquals(StrictMath.round(Double.longBitsToDouble(0xC3F0000000000000l)),
1196 Long.MIN_VALUE); // -2^64
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +01001197 Assert.assertEquals(StrictMath.round(Double.POSITIVE_INFINITY), Long.MAX_VALUE);
1198 Assert.assertEquals(StrictMath.round(Double.NEGATIVE_INFINITY), Long.MIN_VALUE);
1199 }
1200
1201 public static void test_StrictMath_round_F() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001202 StrictMath.round(2.1f);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +01001203 Assert.assertEquals(StrictMath.round(+0.0f), (int)+0.0);
1204 Assert.assertEquals(StrictMath.round(-0.0f), (int)+0.0);
1205 Assert.assertEquals(StrictMath.round(2.0f), 2);
1206 Assert.assertEquals(StrictMath.round(2.1f), 2);
1207 Assert.assertEquals(StrictMath.round(2.5f), 3);
1208 Assert.assertEquals(StrictMath.round(2.9f), 3);
1209 Assert.assertEquals(StrictMath.round(3.0f), 3);
1210 Assert.assertEquals(StrictMath.round(-2.0f), -2);
1211 Assert.assertEquals(StrictMath.round(-2.1f), -2);
1212 Assert.assertEquals(StrictMath.round(-2.5f), -2);
1213 Assert.assertEquals(StrictMath.round(-2.9f), -3);
1214 Assert.assertEquals(StrictMath.round(-3.0f), -3);
Chris Larsenb74353a2015-11-20 09:07:09 -08001215 // 0.4999999701976776123046875
1216 Assert.assertEquals(StrictMath.round(Float.intBitsToFloat(0x3EFFFFFF)), (int)+0.0f);
Chris Larsenf09d5322016-04-22 12:06:34 -07001217 Assert.assertEquals(StrictMath.round(8388607.0f), 8388607); // 2^23 - 1
1218 Assert.assertEquals(StrictMath.round(8388607.5f), 8388608); // 2^23 - 0.5
1219 Assert.assertEquals(StrictMath.round(8388608.0f), 8388608); // 2^23
1220 Assert.assertEquals(StrictMath.round(-8388607.0f), -8388607); // -(2^23 - 1)
1221 Assert.assertEquals(StrictMath.round(-8388607.5f), -8388607); // -(2^23 - 0.5)
1222 Assert.assertEquals(StrictMath.round(-8388608.0f), -8388608); // -2^23
Vladimir Marko9c1c06a2016-02-25 17:50:41 +00001223 Assert.assertEquals(StrictMath.round(16777215.0f), 16777215); // 2^24 - 1
Chris Larsenf09d5322016-04-22 12:06:34 -07001224 Assert.assertEquals(StrictMath.round(16777216.0f), 16777216); // 2^24
1225 Assert.assertEquals(StrictMath.round(-16777215.0f), -16777215); // -(2^24 - 1)
1226 Assert.assertEquals(StrictMath.round(-16777216.0f), -16777216); // -2^24
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +01001227 Assert.assertEquals(StrictMath.round(Float.NaN), (int)+0.0f);
1228 Assert.assertEquals(StrictMath.round(Integer.MAX_VALUE + 1.0f), Integer.MAX_VALUE);
1229 Assert.assertEquals(StrictMath.round(Integer.MIN_VALUE - 1.0f), Integer.MIN_VALUE);
Chris Larsen7adaab02016-04-21 14:49:20 -07001230 Assert.assertEquals(StrictMath.round(Float.intBitsToFloat(0x4F800000)),
1231 Integer.MAX_VALUE); // 2^32
1232 Assert.assertEquals(StrictMath.round(Float.intBitsToFloat(0xCF800000)),
1233 Integer.MIN_VALUE); // -2^32
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +01001234 Assert.assertEquals(StrictMath.round(Float.POSITIVE_INFINITY), Integer.MAX_VALUE);
1235 Assert.assertEquals(StrictMath.round(Float.NEGATIVE_INFINITY), Integer.MIN_VALUE);
1236 }
1237
Elliott Hughes28c384b2012-06-15 16:46:25 -07001238 public static void test_Float_floatToRawIntBits() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001239 Float.floatToRawIntBits(-1.0f);
Elliott Hughes28c384b2012-06-15 16:46:25 -07001240 Assert.assertEquals(Float.floatToRawIntBits(-1.0f), 0xbf800000);
1241 Assert.assertEquals(Float.floatToRawIntBits(0.0f), 0);
1242 Assert.assertEquals(Float.floatToRawIntBits(1.0f), 0x3f800000);
1243 Assert.assertEquals(Float.floatToRawIntBits(Float.NaN), 0x7fc00000);
1244 Assert.assertEquals(Float.floatToRawIntBits(Float.POSITIVE_INFINITY), 0x7f800000);
1245 Assert.assertEquals(Float.floatToRawIntBits(Float.NEGATIVE_INFINITY), 0xff800000);
1246 }
1247
1248 public static void test_Float_intBitsToFloat() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001249 Float.intBitsToFloat(0xbf800000);
Elliott Hughes28c384b2012-06-15 16:46:25 -07001250 Assert.assertEquals(Float.intBitsToFloat(0xbf800000), -1.0f);
1251 Assert.assertEquals(Float.intBitsToFloat(0x00000000), 0.0f);
1252 Assert.assertEquals(Float.intBitsToFloat(0x3f800000), 1.0f);
1253 Assert.assertEquals(Float.intBitsToFloat(0x7fc00000), Float.NaN);
1254 Assert.assertEquals(Float.intBitsToFloat(0x7f800000), Float.POSITIVE_INFINITY);
1255 Assert.assertEquals(Float.intBitsToFloat(0xff800000), Float.NEGATIVE_INFINITY);
1256 }
1257
1258 public static void test_Double_doubleToRawLongBits() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001259 Double.doubleToRawLongBits(-1.0);
Elliott Hughes28c384b2012-06-15 16:46:25 -07001260 Assert.assertEquals(Double.doubleToRawLongBits(-1.0), 0xbff0000000000000L);
1261 Assert.assertEquals(Double.doubleToRawLongBits(0.0), 0x0000000000000000L);
1262 Assert.assertEquals(Double.doubleToRawLongBits(1.0), 0x3ff0000000000000L);
1263 Assert.assertEquals(Double.doubleToRawLongBits(Double.NaN), 0x7ff8000000000000L);
1264 Assert.assertEquals(Double.doubleToRawLongBits(Double.POSITIVE_INFINITY), 0x7ff0000000000000L);
1265 Assert.assertEquals(Double.doubleToRawLongBits(Double.NEGATIVE_INFINITY), 0xfff0000000000000L);
1266 }
1267
1268 public static void test_Double_longBitsToDouble() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001269 Double.longBitsToDouble(0xbff0000000000000L);
Elliott Hughes28c384b2012-06-15 16:46:25 -07001270 Assert.assertEquals(Double.longBitsToDouble(0xbff0000000000000L), -1.0);
1271 Assert.assertEquals(Double.longBitsToDouble(0x0000000000000000L), 0.0);
1272 Assert.assertEquals(Double.longBitsToDouble(0x3ff0000000000000L), 1.0);
1273 Assert.assertEquals(Double.longBitsToDouble(0x7ff8000000000000L), Double.NaN);
1274 Assert.assertEquals(Double.longBitsToDouble(0x7ff0000000000000L), Double.POSITIVE_INFINITY);
1275 Assert.assertEquals(Double.longBitsToDouble(0xfff0000000000000L), Double.NEGATIVE_INFINITY);
1276 }
Serban Constantinescu23abec92014-07-02 16:13:38 +01001277
Zheng Xua3fe7422014-07-09 14:03:15 +08001278 public static void test_Short_reverseBytes() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001279 Short.reverseBytes((short)0x1357);
Zheng Xua3fe7422014-07-09 14:03:15 +08001280 Assert.assertEquals(Short.reverseBytes((short)0x0000), (short)0x0000);
1281 Assert.assertEquals(Short.reverseBytes((short)0xffff), (short)0xffff);
1282 Assert.assertEquals(Short.reverseBytes((short)0x8000), (short)0x0080);
1283 Assert.assertEquals(Short.reverseBytes((short)0x0080), (short)0x8000);
1284 Assert.assertEquals(Short.reverseBytes((short)0x0123), (short)0x2301);
1285 Assert.assertEquals(Short.reverseBytes((short)0x4567), (short)0x6745);
1286 Assert.assertEquals(Short.reverseBytes((short)0x89ab), (short)0xab89);
1287 Assert.assertEquals(Short.reverseBytes((short)0xcdef), (short)0xefcd);
1288 }
1289
1290 public static void test_Integer_reverseBytes() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001291 Integer.reverseBytes(0x13579bdf);
Zheng Xua3fe7422014-07-09 14:03:15 +08001292 Assert.assertEquals(Integer.reverseBytes(0x00000000), 0x00000000);
1293 Assert.assertEquals(Integer.reverseBytes(0xffffffff), 0xffffffff);
1294 Assert.assertEquals(Integer.reverseBytes(0x80000000), 0x00000080);
1295 Assert.assertEquals(Integer.reverseBytes(0x00000080), 0x80000000);
1296 Assert.assertEquals(Integer.reverseBytes(0x01234567), 0x67452301);
1297 Assert.assertEquals(Integer.reverseBytes(0x89abcdef), 0xefcdab89);
1298 }
1299
1300 public static void test_Long_reverseBytes() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001301 Long.reverseBytes(0x13579bdf2468ace0L);
Zheng Xua3fe7422014-07-09 14:03:15 +08001302 Assert.assertEquals(Long.reverseBytes(0x0000000000000000L), 0x0000000000000000L);
1303 Assert.assertEquals(Long.reverseBytes(0xffffffffffffffffL), 0xffffffffffffffffL);
1304 Assert.assertEquals(Long.reverseBytes(0x8000000000000000L), 0x0000000000000080L);
1305 Assert.assertEquals(Long.reverseBytes(0x0000000000000080L), 0x8000000000000000L);
1306 Assert.assertEquals(Long.reverseBytes(0x0123456789abcdefL), 0xefcdab8967452301L);
1307 }
1308
Serban Constantinescu23abec92014-07-02 16:13:38 +01001309 public static void test_Integer_reverse() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001310 Integer.reverse(0x12345678);
Serban Constantinescu23abec92014-07-02 16:13:38 +01001311 Assert.assertEquals(Integer.reverse(1), 0x80000000);
1312 Assert.assertEquals(Integer.reverse(-1), 0xffffffff);
1313 Assert.assertEquals(Integer.reverse(0), 0);
1314 Assert.assertEquals(Integer.reverse(0x12345678), 0x1e6a2c48);
1315 Assert.assertEquals(Integer.reverse(0x87654321), 0x84c2a6e1);
1316 Assert.assertEquals(Integer.reverse(Integer.MAX_VALUE), 0xfffffffe);
1317 Assert.assertEquals(Integer.reverse(Integer.MIN_VALUE), 1);
1318 }
1319
1320 public static void test_Long_reverse() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001321 Long.reverse(0x1234567812345678L);
Serban Constantinescu23abec92014-07-02 16:13:38 +01001322 Assert.assertEquals(Long.reverse(1L), 0x8000000000000000L);
1323 Assert.assertEquals(Long.reverse(-1L), 0xffffffffffffffffL);
1324 Assert.assertEquals(Long.reverse(0L), 0L);
Zheng Xua3fe7422014-07-09 14:03:15 +08001325 Assert.assertEquals(Long.reverse(0x1234567812345678L), 0x1e6a2c481e6a2c48L);
1326 Assert.assertEquals(Long.reverse(0x8765432187654321L), 0x84c2a6e184c2a6e1L);
1327 Assert.assertEquals(Long.reverse(Long.MAX_VALUE), 0xfffffffffffffffeL);
Serban Constantinescu23abec92014-07-02 16:13:38 +01001328 Assert.assertEquals(Long.reverse(Long.MIN_VALUE), 1L);
Andreas Gampe575422f2015-07-07 13:25:58 -07001329
1330 Assert.assertEquals(test_Long_reverse_b22324327(0xaaaaaaaaaaaaaaaaL, 0x5555555555555555L),
1331 157472205507277347L);
1332 }
1333
1334 // A bit more complicated than the above. Use local variables to stress register allocation.
1335 private static long test_Long_reverse_b22324327(long l1, long l2) {
1336 // A couple of local integers. Use them in a loop, so they get promoted.
1337 int i1 = 0, i2 = 1, i3 = 2, i4 = 3, i5 = 4, i6 = 5, i7 = 6, i8 = 7;
1338 for (int k = 0; k < 10; k++) {
1339 i1 += 1;
1340 i2 += 2;
1341 i3 += 3;
1342 i4 += 4;
1343 i5 += 5;
1344 i6 += 6;
1345 i7 += 7;
1346 i8 += 8;
1347 }
1348
1349 // Do the Long.reverse() calls, save the results.
1350 long r1 = Long.reverse(l1);
1351 long r2 = Long.reverse(l2);
1352
1353 // Some more looping with the ints.
1354 for (int k = 0; k < 10; k++) {
1355 i1 += 1;
1356 i2 += 2;
1357 i3 += 3;
1358 i4 += 4;
1359 i5 += 5;
1360 i6 += 6;
1361 i7 += 7;
1362 i8 += 8;
1363 }
1364
1365 // Include everything in the result, so things are kept live. Try to be a little bit clever to
1366 // avoid things being folded somewhere.
1367 return (r1 / i1) + (r2 / i2) + i3 + i4 + i5 + i6 + i7 + i8;
Serban Constantinescu23abec92014-07-02 16:13:38 +01001368 }
1369
Mark Mendelld5897672015-08-12 21:16:41 -04001370 public static boolean doThrow = false;
1371
1372 public static int $noinline$return_int_zero() {
1373 if (doThrow) {
1374 throw new Error();
1375 }
1376 return 0;
1377 }
1378
Scott Wakeling611d3392015-07-10 11:42:06 +01001379 public static void test_Integer_numberOfLeadingZeros() {
1380 Assert.assertEquals(Integer.numberOfLeadingZeros(0), Integer.SIZE);
Mark Mendelld5897672015-08-12 21:16:41 -04001381 Assert.assertEquals(Integer.numberOfLeadingZeros(1), Integer.SIZE - 1);
1382 Assert.assertEquals(Integer.numberOfLeadingZeros(1 << (Integer.SIZE-1)), 0);
1383 Assert.assertEquals(Integer.numberOfLeadingZeros($noinline$return_int_zero()), Integer.SIZE);
Scott Wakeling611d3392015-07-10 11:42:06 +01001384 for (int i = 0; i < Integer.SIZE; i++) {
1385 Assert.assertEquals(Integer.numberOfLeadingZeros(1 << i), Integer.SIZE - 1 - i);
1386 Assert.assertEquals(Integer.numberOfLeadingZeros((1 << i) | 1), Integer.SIZE - 1 - i);
1387 Assert.assertEquals(Integer.numberOfLeadingZeros(0xFFFFFFFF >>> i), i);
1388 }
1389 }
1390
Mark Mendelld5897672015-08-12 21:16:41 -04001391 public static long $noinline$return_long_zero() {
1392 if (doThrow) {
1393 throw new Error();
1394 }
1395 return 0;
1396 }
1397
Scott Wakeling611d3392015-07-10 11:42:06 +01001398 public static void test_Long_numberOfLeadingZeros() {
1399 Assert.assertEquals(Long.numberOfLeadingZeros(0L), Long.SIZE);
Mark Mendelld5897672015-08-12 21:16:41 -04001400 Assert.assertEquals(Long.numberOfLeadingZeros(1L), Long.SIZE - 1);
1401 Assert.assertEquals(Long.numberOfLeadingZeros(1L << ((Long.SIZE/2)-1)), Long.SIZE/2);
1402 Assert.assertEquals(Long.numberOfLeadingZeros(1L << (Long.SIZE-1)), 0);
1403 Assert.assertEquals(Long.numberOfLeadingZeros($noinline$return_long_zero()), Long.SIZE);
Scott Wakeling611d3392015-07-10 11:42:06 +01001404 for (int i = 0; i < Long.SIZE; i++) {
1405 Assert.assertEquals(Long.numberOfLeadingZeros(1L << i), Long.SIZE - 1 - i);
1406 Assert.assertEquals(Long.numberOfLeadingZeros((1L << i) | 1L), Long.SIZE - 1 - i);
1407 Assert.assertEquals(Long.numberOfLeadingZeros(0xFFFFFFFFFFFFFFFFL >>> i), i);
1408 }
1409 }
1410
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001411 static Object runtime;
1412 static Method address_of;
Zuo Wangf37a88b2014-07-10 04:26:41 -07001413 static Method new_non_movable_array;
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001414 static Method peek_byte;
1415 static Method peek_short;
1416 static Method peek_int;
1417 static Method peek_long;
1418 static Method poke_byte;
1419 static Method poke_short;
1420 static Method poke_int;
1421 static Method poke_long;
1422
1423 public static void initSupportMethodsForPeekPoke() throws Exception {
1424 Class<?> vm_runtime = Class.forName("dalvik.system.VMRuntime");
1425 Method get_runtime = vm_runtime.getDeclaredMethod("getRuntime");
1426 runtime = get_runtime.invoke(null);
1427 address_of = vm_runtime.getDeclaredMethod("addressOf", Object.class);
Zuo Wangf37a88b2014-07-10 04:26:41 -07001428 new_non_movable_array = vm_runtime.getDeclaredMethod("newNonMovableArray", Class.class, Integer.TYPE);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001429
1430 Class<?> io_memory = Class.forName("libcore.io.Memory");
1431 peek_byte = io_memory.getDeclaredMethod("peekByte", Long.TYPE);
1432 peek_int = io_memory.getDeclaredMethod("peekInt", Long.TYPE, Boolean.TYPE);
1433 peek_short = io_memory.getDeclaredMethod("peekShort", Long.TYPE, Boolean.TYPE);
1434 peek_long = io_memory.getDeclaredMethod("peekLong", Long.TYPE, Boolean.TYPE);
1435 poke_byte = io_memory.getDeclaredMethod("pokeByte", Long.TYPE, Byte.TYPE);
1436 poke_short = io_memory.getDeclaredMethod("pokeShort", Long.TYPE, Short.TYPE, Boolean.TYPE);
1437 poke_int = io_memory.getDeclaredMethod("pokeInt", Long.TYPE, Integer.TYPE, Boolean.TYPE);
1438 poke_long = io_memory.getDeclaredMethod("pokeLong", Long.TYPE, Long.TYPE, Boolean.TYPE);
1439 }
1440
1441 public static void test_Memory_peekByte() throws Exception {
Zuo Wangf37a88b2014-07-10 04:26:41 -07001442 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 2);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001443 b[0] = 0x12;
1444 b[1] = 0x11;
1445 long address = (long)address_of.invoke(runtime, b);
1446 Assert.assertEquals((byte)peek_byte.invoke(null, address), 0x12);
1447 Assert.assertEquals((byte)peek_byte.invoke(null, address + 1), 0x11);
1448 }
1449
1450 public static void test_Memory_peekShort() throws Exception {
Zuo Wangf37a88b2014-07-10 04:26:41 -07001451 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 3);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001452 b[0] = 0x13;
1453 b[1] = 0x12;
1454 b[2] = 0x11;
1455 long address = (long)address_of.invoke(runtime, b);
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001456 peek_short.invoke(null, address, false);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001457 Assert.assertEquals((short)peek_short.invoke(null, address, false), 0x1213); // Aligned read
1458 Assert.assertEquals((short)peek_short.invoke(null, address + 1, false), 0x1112); // Unaligned read
1459 }
1460
1461 public static void test_Memory_peekInt() throws Exception {
Zuo Wangf37a88b2014-07-10 04:26:41 -07001462 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 5);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001463 b[0] = 0x15;
1464 b[1] = 0x14;
1465 b[2] = 0x13;
1466 b[3] = 0x12;
1467 b[4] = 0x11;
1468 long address = (long)address_of.invoke(runtime, b);
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001469 peek_int.invoke(null, address, false);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001470 Assert.assertEquals((int)peek_int.invoke(null, address, false), 0x12131415);
1471 Assert.assertEquals((int)peek_int.invoke(null, address + 1, false), 0x11121314);
1472 }
1473
1474 public static void test_Memory_peekLong() throws Exception {
Zuo Wangf37a88b2014-07-10 04:26:41 -07001475 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 9);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001476 b[0] = 0x19;
1477 b[1] = 0x18;
1478 b[2] = 0x17;
1479 b[3] = 0x16;
1480 b[4] = 0x15;
1481 b[5] = 0x14;
1482 b[6] = 0x13;
1483 b[7] = 0x12;
1484 b[8] = 0x11;
1485 long address = (long)address_of.invoke(runtime, b);
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001486 peek_long.invoke(null, address, false);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001487 Assert.assertEquals((long)peek_long.invoke(null, address, false), 0x1213141516171819L);
1488 Assert.assertEquals((long)peek_long.invoke(null, address + 1, false), 0x1112131415161718L);
1489 }
1490
1491 public static void test_Memory_pokeByte() throws Exception {
1492 byte[] r = {0x11, 0x12};
Zuo Wangf37a88b2014-07-10 04:26:41 -07001493 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 2);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001494 long address = (long)address_of.invoke(runtime, b);
1495 poke_byte.invoke(null, address, (byte)0x11);
1496 poke_byte.invoke(null, address + 1, (byte)0x12);
1497 Assert.assertTrue(Arrays.equals(r, b));
1498 }
1499
1500 public static void test_Memory_pokeShort() throws Exception {
1501 byte[] ra = {0x12, 0x11, 0x13};
1502 byte[] ru = {0x12, 0x22, 0x21};
Zuo Wangf37a88b2014-07-10 04:26:41 -07001503 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 3);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001504 long address = (long)address_of.invoke(runtime, b);
1505
1506 // Aligned write
1507 b[2] = 0x13;
1508 poke_short.invoke(null, address, (short)0x1112, false);
1509 Assert.assertTrue(Arrays.equals(ra, b));
1510
1511 // Unaligned write
1512 poke_short.invoke(null, address + 1, (short)0x2122, false);
1513 Assert.assertTrue(Arrays.equals(ru, b));
1514 }
1515
1516 public static void test_Memory_pokeInt() throws Exception {
1517 byte[] ra = {0x14, 0x13, 0x12, 0x11, 0x15};
1518 byte[] ru = {0x14, 0x24, 0x23, 0x22, 0x21};
Zuo Wangf37a88b2014-07-10 04:26:41 -07001519 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 5);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001520 long address = (long)address_of.invoke(runtime, b);
1521
1522 b[4] = 0x15;
1523 poke_int.invoke(null, address, (int)0x11121314, false);
1524 Assert.assertTrue(Arrays.equals(ra, b));
1525
1526 poke_int.invoke(null, address + 1, (int)0x21222324, false);
1527 Assert.assertTrue(Arrays.equals(ru, b));
1528 }
1529
1530 public static void test_Memory_pokeLong() throws Exception {
1531 byte[] ra = {0x18, 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x19};
1532 byte[] ru = {0x18, 0x28, 0x27, 0x26, 0x25, 0x24, 0x23, 0x22, 0x21};
Zuo Wangf37a88b2014-07-10 04:26:41 -07001533 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 9);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001534 long address = (long)address_of.invoke(runtime, b);
1535
1536 b[8] = 0x19;
1537 poke_long.invoke(null, address, (long)0x1112131415161718L, false);
1538 Assert.assertTrue(Arrays.equals(ra, b));
1539
1540 poke_long.invoke(null, address + 1, (long)0x2122232425262728L, false);
1541 Assert.assertTrue(Arrays.equals(ru, b));
1542 }
Scott Wakeling9ee23f42015-07-23 10:44:35 +01001543
1544 public static void test_Integer_numberOfTrailingZeros() {
1545 Assert.assertEquals(Integer.numberOfTrailingZeros(0), Integer.SIZE);
1546 for (int i = 0; i < Integer.SIZE; i++) {
1547 Assert.assertEquals(
1548 Integer.numberOfTrailingZeros(0x80000000 >> i),
1549 Integer.SIZE - 1 - i);
1550 Assert.assertEquals(
1551 Integer.numberOfTrailingZeros((0x80000000 >> i) | 0x80000000),
1552 Integer.SIZE - 1 - i);
1553 Assert.assertEquals(Integer.numberOfTrailingZeros(1 << i), i);
1554 }
1555 }
1556
1557 public static void test_Long_numberOfTrailingZeros() {
1558 Assert.assertEquals(Long.numberOfTrailingZeros(0), Long.SIZE);
1559 for (int i = 0; i < Long.SIZE; i++) {
1560 Assert.assertEquals(
1561 Long.numberOfTrailingZeros(0x8000000000000000L >> i),
1562 Long.SIZE - 1 - i);
1563 Assert.assertEquals(
1564 Long.numberOfTrailingZeros((0x8000000000000000L >> i) | 0x8000000000000000L),
1565 Long.SIZE - 1 - i);
1566 Assert.assertEquals(Long.numberOfTrailingZeros(1L << i), i);
1567 }
1568 }
1569
1570 public static void test_Integer_rotateRight() throws Exception {
1571 Assert.assertEquals(Integer.rotateRight(0x11, 0), 0x11);
1572
1573 Assert.assertEquals(Integer.rotateRight(0x11, 1), 0x80000008);
1574 Assert.assertEquals(Integer.rotateRight(0x11, Integer.SIZE - 1), 0x22);
1575 Assert.assertEquals(Integer.rotateRight(0x11, Integer.SIZE), 0x11);
1576 Assert.assertEquals(Integer.rotateRight(0x11, Integer.SIZE + 1), 0x80000008);
1577
1578 Assert.assertEquals(Integer.rotateRight(0x11, -1), 0x22);
1579 Assert.assertEquals(Integer.rotateRight(0x11, -(Integer.SIZE - 1)), 0x80000008);
1580 Assert.assertEquals(Integer.rotateRight(0x11, -Integer.SIZE), 0x11);
1581 Assert.assertEquals(Integer.rotateRight(0x11, -(Integer.SIZE + 1)), 0x22);
1582
1583 Assert.assertEquals(Integer.rotateRight(0x80000000, 1), 0x40000000);
1584
1585 for (int i = 0; i < Integer.SIZE; i++) {
1586 Assert.assertEquals(
1587 Integer.rotateRight(0xBBAAAADD, i),
1588 (0xBBAAAADD >>> i) | (0xBBAAAADD << (Integer.SIZE - i)));
1589 }
1590 }
1591
1592 public static void test_Long_rotateRight() throws Exception {
1593 Assert.assertEquals(Long.rotateRight(0x11, 0), 0x11);
1594
1595 Assert.assertEquals(Long.rotateRight(0x11, 1), 0x8000000000000008L);
1596 Assert.assertEquals(Long.rotateRight(0x11, Long.SIZE - 1), 0x22);
1597 Assert.assertEquals(Long.rotateRight(0x11, Long.SIZE), 0x11);
1598 Assert.assertEquals(Long.rotateRight(0x11, Long.SIZE + 1), 0x8000000000000008L);
1599
1600 Assert.assertEquals(Long.rotateRight(0x11, -1), 0x22);
1601 Assert.assertEquals(Long.rotateRight(0x11, -(Long.SIZE - 1)), 0x8000000000000008L);
1602 Assert.assertEquals(Long.rotateRight(0x11, -Long.SIZE), 0x11);
1603 Assert.assertEquals(Long.rotateRight(0x11, -(Long.SIZE + 1)), 0x22);
1604
1605 Assert.assertEquals(Long.rotateRight(0x8000000000000000L, 1), 0x4000000000000000L);
1606
1607 for (int i = 0; i < Long.SIZE; i++) {
1608 Assert.assertEquals(
1609 Long.rotateRight(0xBBAAAADDFF0000DDL, i),
1610 (0xBBAAAADDFF0000DDL >>> i) | (0xBBAAAADDFF0000DDL << (Long.SIZE - i)));
1611 }
1612 }
1613
1614 public static void test_Integer_rotateLeft() throws Exception {
1615 Assert.assertEquals(Integer.rotateLeft(0x11, 0), 0x11);
1616
1617 Assert.assertEquals(Integer.rotateLeft(0x11, 1), 0x22);
1618 Assert.assertEquals(Integer.rotateLeft(0x11, Integer.SIZE - 1), 0x80000008);
1619 Assert.assertEquals(Integer.rotateLeft(0x11, Integer.SIZE), 0x11);
1620 Assert.assertEquals(Integer.rotateLeft(0x11, Integer.SIZE + 1), 0x22);
1621
1622 Assert.assertEquals(Integer.rotateLeft(0x11, -1), 0x80000008);
1623 Assert.assertEquals(Integer.rotateLeft(0x11, -(Integer.SIZE - 1)), 0x22);
1624 Assert.assertEquals(Integer.rotateLeft(0x11, -Integer.SIZE), 0x11);
1625 Assert.assertEquals(Integer.rotateLeft(0x11, -(Integer.SIZE + 1)), 0x80000008);
1626
1627 Assert.assertEquals(Integer.rotateLeft(0xC0000000, 1), 0x80000001);
1628
1629 for (int i = 0; i < Integer.SIZE; i++) {
1630 Assert.assertEquals(
1631 Integer.rotateLeft(0xBBAAAADD, i),
1632 (0xBBAAAADD << i) | (0xBBAAAADD >>> (Integer.SIZE - i)));
1633 }
1634 }
1635
1636 public static void test_Long_rotateLeft() throws Exception {
1637 Assert.assertEquals(Long.rotateLeft(0x11, 0), 0x11);
1638
1639 Assert.assertEquals(Long.rotateLeft(0x11, 1), 0x22);
1640 Assert.assertEquals(Long.rotateLeft(0x11, Long.SIZE - 1), 0x8000000000000008L);
1641 Assert.assertEquals(Long.rotateLeft(0x11, Long.SIZE), 0x11);
1642 Assert.assertEquals(Long.rotateLeft(0x11, Long.SIZE + 1), 0x22);
1643
1644 Assert.assertEquals(Long.rotateLeft(0x11, -1), 0x8000000000000008L);
1645 Assert.assertEquals(Long.rotateLeft(0x11, -(Long.SIZE - 1)), 0x22);
1646 Assert.assertEquals(Long.rotateLeft(0x11, -Long.SIZE), 0x11);
1647 Assert.assertEquals(Long.rotateLeft(0x11, -(Long.SIZE + 1)), 0x8000000000000008L);
1648
1649 Assert.assertEquals(Long.rotateLeft(0xC000000000000000L, 1), 0x8000000000000001L);
1650
1651 for (int i = 0; i < Long.SIZE; i++) {
1652 Assert.assertEquals(
1653 Long.rotateLeft(0xBBAAAADDFF0000DDL, i),
1654 (0xBBAAAADDFF0000DDL << i) | (0xBBAAAADDFF0000DDL >>> (Long.SIZE - i)));
1655 }
1656 }
1657
1658 public static void test_Integer_rotateRightLeft() throws Exception {
1659 for (int i = 0; i < Integer.SIZE * 2; i++) {
1660 Assert.assertEquals(Integer.rotateLeft(0xBBAAAADD, i),
1661 Integer.rotateRight(0xBBAAAADD, -i));
1662 Assert.assertEquals(Integer.rotateLeft(0xBBAAAADD, -i),
1663 Integer.rotateRight(0xBBAAAADD, i));
1664 }
1665 }
1666
1667 public static void test_Long_rotateRightLeft() throws Exception {
1668 for (int i = 0; i < Long.SIZE * 2; i++) {
1669 Assert.assertEquals(Long.rotateLeft(0xBBAAAADDFF0000DDL, i),
1670 Long.rotateRight(0xBBAAAADDFF0000DDL, -i));
1671 Assert.assertEquals(Long.rotateLeft(0xBBAAAADDFF0000DDL, -i),
1672 Long.rotateRight(0xBBAAAADDFF0000DDL, i));
1673 }
1674 }
jeffhao5d1ac922011-09-29 17:41:15 -07001675}