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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();
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +010037 test_Math_ceil();
38 test_Math_floor();
39 test_Math_rint();
40 test_Math_round_D();
41 test_Math_round_F();
Zheng Xua3fe7422014-07-09 14:03:15 +080042 test_Short_reverseBytes();
43 test_Integer_reverseBytes();
44 test_Long_reverseBytes();
Serban Constantinescu23abec92014-07-02 16:13:38 +010045 test_Integer_reverse();
46 test_Long_reverse();
Sebastien Hertzbf1442d2013-03-05 15:12:40 +010047 test_StrictMath_abs_I();
48 test_StrictMath_abs_J();
Serban Constantinescu23abec92014-07-02 16:13:38 +010049 test_StrictMath_min_I();
50 test_StrictMath_max_I();
51 test_StrictMath_min_J();
52 test_StrictMath_max_J();
53 test_StrictMath_min_F();
54 test_StrictMath_max_F();
55 test_StrictMath_min_D();
56 test_StrictMath_max_D();
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +010057 test_StrictMath_ceil();
58 test_StrictMath_floor();
59 test_StrictMath_rint();
60 test_StrictMath_round_D();
61 test_StrictMath_round_F();
Elliott Hughes28c384b2012-06-15 16:46:25 -070062 test_String_charAt();
63 test_String_compareTo();
64 test_String_indexOf();
65 test_String_isEmpty();
66 test_String_length();
Andreas Gampe7a949612014-07-08 11:03:59 -070067 test_Thread_currentThread();
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +070068 initSupportMethodsForPeekPoke();
69 test_Memory_peekByte();
70 test_Memory_peekShort();
71 test_Memory_peekInt();
72 test_Memory_peekLong();
73 test_Memory_pokeByte();
74 test_Memory_pokeShort();
75 test_Memory_pokeInt();
76 test_Memory_pokeLong();
Elliott Hughes28c384b2012-06-15 16:46:25 -070077 }
78
Andreas Gampe7a949612014-07-08 11:03:59 -070079 /**
80 * Will test inlining Thread.currentThread().
81 */
82 public static void test_Thread_currentThread() {
83 // 1. Do not use result.
84 Thread.currentThread();
85
86 // 2. Result should not be null.
87 Assert.assertNotNull(Thread.currentThread());
88 }
89
Elliott Hughes28c384b2012-06-15 16:46:25 -070090 public static void test_String_length() {
91 String str0 = "";
92 String str1 = "x";
93 String str80 = "01234567890123456789012345678901234567890123456789012345678901234567890123456789";
94
95 Assert.assertEquals(str0.length(), 0);
96 Assert.assertEquals(str1.length(), 1);
97 Assert.assertEquals(str80.length(), 80);
98
99 String strNull = null;
100 try {
101 strNull.length();
102 Assert.fail();
103 } catch (NullPointerException expected) {
104 }
105 }
106
107 public static void test_String_isEmpty() {
108 String str0 = "";
109 String str1 = "x";
110
111 Assert.assertTrue(str0.isEmpty());
112 Assert.assertFalse(str1.isEmpty());
113
114 String strNull = null;
115 try {
116 strNull.isEmpty();
117 Assert.fail();
118 } catch (NullPointerException expected) {
119 }
120 }
121
122 public static void test_String_charAt() {
123 String testStr = "Now is the time";
124
125 Assert.assertEquals('N', testStr.charAt(0));
126 Assert.assertEquals('o', testStr.charAt(1));
127 Assert.assertEquals(' ', testStr.charAt(10));
128 Assert.assertEquals('e', testStr.charAt(testStr.length()-1));
129
130 try {
131 testStr.charAt(-1);
132 Assert.fail();
133 } catch (StringIndexOutOfBoundsException expected) {
134 }
135 try {
136 testStr.charAt(80);
137 Assert.fail();
138 } catch (StringIndexOutOfBoundsException expected) {
jeffhao5d1ac922011-09-29 17:41:15 -0700139 }
140
Elliott Hughes28c384b2012-06-15 16:46:25 -0700141 String strNull = null;
142 try {
143 strNull.charAt(0);
144 Assert.fail();
145 } catch (NullPointerException expected) {
jeffhao5d1ac922011-09-29 17:41:15 -0700146 }
Elliott Hughes28c384b2012-06-15 16:46:25 -0700147 }
jeffhao5d1ac922011-09-29 17:41:15 -0700148
Yevgeny Rouban34fa0d92014-03-13 12:15:58 +0700149 static int start;
Alexei Zavjalova1758d82014-04-17 01:55:43 +0700150 private static int[] negIndex = { -100000 };
Elliott Hughes28c384b2012-06-15 16:46:25 -0700151 public static void test_String_indexOf() {
152 String str0 = "";
Yevgeny Rouban34fa0d92014-03-13 12:15:58 +0700153 String str1 = "/";
Elliott Hughes28c384b2012-06-15 16:46:25 -0700154 String str3 = "abc";
155 String str10 = "abcdefghij";
156 String str40 = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabc";
jeffhao5d1ac922011-09-29 17:41:15 -0700157
Elliott Hughes28c384b2012-06-15 16:46:25 -0700158 int supplementaryChar = 0x20b9f;
159 String surrogatePair = "\ud842\udf9f";
160 String stringWithSurrogates = "hello " + surrogatePair + " world";
jeffhao5d1ac922011-09-29 17:41:15 -0700161
Elliott Hughes28c384b2012-06-15 16:46:25 -0700162 Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar), "hello ".length());
163 Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar, 2), "hello ".length());
164 Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar, 6), 6);
165 Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar, 7), -1);
jeffhao5d1ac922011-09-29 17:41:15 -0700166
Elliott Hughes28c384b2012-06-15 16:46:25 -0700167 Assert.assertEquals(str0.indexOf('a'), -1);
168 Assert.assertEquals(str3.indexOf('a'), 0);
169 Assert.assertEquals(str3.indexOf('b'), 1);
170 Assert.assertEquals(str3.indexOf('c'), 2);
171 Assert.assertEquals(str10.indexOf('j'), 9);
172 Assert.assertEquals(str40.indexOf('a'), 0);
173 Assert.assertEquals(str40.indexOf('b'), 38);
174 Assert.assertEquals(str40.indexOf('c'), 39);
175 Assert.assertEquals(str0.indexOf('a',20), -1);
176 Assert.assertEquals(str0.indexOf('a',0), -1);
177 Assert.assertEquals(str0.indexOf('a',-1), -1);
Yevgeny Rouban34fa0d92014-03-13 12:15:58 +0700178 Assert.assertEquals(str1.indexOf('/',++start), -1);
Alexei Zavjalova1758d82014-04-17 01:55:43 +0700179 Assert.assertEquals(str1.indexOf('a',negIndex[0]), -1);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700180 Assert.assertEquals(str3.indexOf('a',0), 0);
181 Assert.assertEquals(str3.indexOf('a',1), -1);
182 Assert.assertEquals(str3.indexOf('a',1234), -1);
183 Assert.assertEquals(str3.indexOf('b',0), 1);
184 Assert.assertEquals(str3.indexOf('b',1), 1);
185 Assert.assertEquals(str3.indexOf('c',2), 2);
186 Assert.assertEquals(str10.indexOf('j',5), 9);
187 Assert.assertEquals(str10.indexOf('j',9), 9);
188 Assert.assertEquals(str40.indexOf('a',10), 10);
189 Assert.assertEquals(str40.indexOf('b',40), -1);
190
191 String strNull = null;
192 try {
193 strNull.indexOf('a');
194 Assert.fail();
195 } catch (NullPointerException expected) {
jeffhao5d1ac922011-09-29 17:41:15 -0700196 }
Elliott Hughes28c384b2012-06-15 16:46:25 -0700197 try {
198 strNull.indexOf('a', 0);
199 Assert.fail();
200 } catch (NullPointerException expected) {
jeffhao5d1ac922011-09-29 17:41:15 -0700201 }
Elliott Hughes28c384b2012-06-15 16:46:25 -0700202 try {
203 strNull.indexOf('a', -1);
204 Assert.fail();
205 } catch (NullPointerException expected) {
jeffhao5d1ac922011-09-29 17:41:15 -0700206 }
Elliott Hughes28c384b2012-06-15 16:46:25 -0700207 }
jeffhao5d1ac922011-09-29 17:41:15 -0700208
Elliott Hughes28c384b2012-06-15 16:46:25 -0700209 public static void test_String_compareTo() {
210 String test = "0123456789";
211 String test1 = new String("0123456789"); // different object
212 String test2 = new String("0123456780"); // different value
213 String offset = new String("xxx0123456789yyy");
214 String sub = offset.substring(3, 13);
215 String str32 = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
216 String str33 = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxy";
217 String lc = "abcdefg";
218 String uc = "ABCDEFG";
219 Object blah = new Object();
220
221 Assert.assertTrue(lc.toUpperCase().equals(uc));
222
223 Assert.assertEquals(str32.compareTo(str33), -1);
224 Assert.assertEquals(str33.compareTo(str32), 1);
225
226 Assert.assertTrue(test.equals(test));
227 Assert.assertTrue(test.equals(test1));
228 Assert.assertFalse(test.equals(test2));
229
230 Assert.assertEquals(test.compareTo(test1), 0);
231 Assert.assertTrue(test1.compareTo(test2) > 0);
232 Assert.assertTrue(test2.compareTo(test1) < 0);
233
234 // Compare string with a nonzero offset, in left/right side.
235 Assert.assertEquals(test.compareTo(sub), 0);
236 Assert.assertEquals(sub.compareTo(test), 0);
237 Assert.assertTrue(test.equals(sub));
238 Assert.assertTrue(sub.equals(test));
239 // Same base, one is a substring.
240 Assert.assertFalse(offset.equals(sub));
241 Assert.assertFalse(sub.equals(offset));
242 // Wrong class.
243 Assert.assertFalse(test.equals(blah));
244
245 // Null lhs - throw.
246 try {
247 test.compareTo(null);
248 Assert.fail("didn't get expected npe");
249 } catch (NullPointerException npe) {
250 }
251 // Null rhs - okay.
252 Assert.assertFalse(test.equals(null));
253
254 test = test.substring(1);
255 Assert.assertTrue(test.equals("123456789"));
256 Assert.assertFalse(test.equals(test1));
257
258 test = test.substring(1);
259 Assert.assertTrue(test.equals("23456789"));
260
261 test = test.substring(1);
262 Assert.assertTrue(test.equals("3456789"));
263
264 test = test.substring(1);
265 Assert.assertTrue(test.equals("456789"));
266
267 test = test.substring(3,5);
268 Assert.assertTrue(test.equals("78"));
269
270 test = "this/is/a/path";
271 String[] strings = test.split("/");
272 Assert.assertEquals(4, strings.length);
273
274 Assert.assertEquals("this is a path", test.replaceAll("/", " "));
275 Assert.assertEquals("this is a path", test.replace("/", " "));
276 }
277
278 public static void test_Math_abs_I() {
279 Assert.assertEquals(Math.abs(0), 0);
280 Assert.assertEquals(Math.abs(123), 123);
281 Assert.assertEquals(Math.abs(-123), 123);
282 Assert.assertEquals(Math.abs(Integer.MAX_VALUE), Integer.MAX_VALUE);
283 Assert.assertEquals(Math.abs(Integer.MIN_VALUE), Integer.MIN_VALUE);
284 Assert.assertEquals(Math.abs(Integer.MIN_VALUE - 1), Integer.MAX_VALUE);
Sebastien Hertzbf1442d2013-03-05 15:12:40 +0100285 Assert.assertEquals(Math.abs(Integer.MIN_VALUE + 1), Integer.MAX_VALUE);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700286 }
287
288 public static void test_Math_abs_J() {
289 Assert.assertEquals(Math.abs(0L), 0L);
290 Assert.assertEquals(Math.abs(123L), 123L);
291 Assert.assertEquals(Math.abs(-123L), 123L);
292 Assert.assertEquals(Math.abs(Long.MAX_VALUE), Long.MAX_VALUE);
293 Assert.assertEquals(Math.abs(Long.MIN_VALUE), Long.MIN_VALUE);
294 Assert.assertEquals(Math.abs(Long.MIN_VALUE - 1), Long.MAX_VALUE);
295 }
296
Serban Constantinescu23abec92014-07-02 16:13:38 +0100297 public static void test_Math_min_I() {
Elliott Hughes28c384b2012-06-15 16:46:25 -0700298 Assert.assertEquals(Math.min(0, 0), 0);
299 Assert.assertEquals(Math.min(1, 0), 0);
300 Assert.assertEquals(Math.min(0, 1), 0);
301 Assert.assertEquals(Math.min(0, Integer.MAX_VALUE), 0);
302 Assert.assertEquals(Math.min(Integer.MIN_VALUE, 0), Integer.MIN_VALUE);
303 Assert.assertEquals(Math.min(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MIN_VALUE);
304 }
305
Serban Constantinescu23abec92014-07-02 16:13:38 +0100306 public static void test_Math_max_I() {
Elliott Hughes28c384b2012-06-15 16:46:25 -0700307 Assert.assertEquals(Math.max(0, 0), 0);
308 Assert.assertEquals(Math.max(1, 0), 1);
309 Assert.assertEquals(Math.max(0, 1), 1);
310 Assert.assertEquals(Math.max(0, Integer.MAX_VALUE), Integer.MAX_VALUE);
311 Assert.assertEquals(Math.max(Integer.MIN_VALUE, 0), 0);
312 Assert.assertEquals(Math.max(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MAX_VALUE);
313 }
314
Serban Constantinescu23abec92014-07-02 16:13:38 +0100315 public static void test_Math_min_J() {
316 Assert.assertEquals(Math.min(0L, 0L), 0L);
317 Assert.assertEquals(Math.min(1L, 0L), 0L);
318 Assert.assertEquals(Math.min(0L, 1L), 0L);
319 Assert.assertEquals(Math.min(0L, Long.MAX_VALUE), 0L);
320 Assert.assertEquals(Math.min(Long.MIN_VALUE, 0L), Long.MIN_VALUE);
321 Assert.assertEquals(Math.min(Long.MIN_VALUE, Long.MAX_VALUE), Long.MIN_VALUE);
322 }
323
324 public static void test_Math_max_J() {
325 Assert.assertEquals(Math.max(0L, 0L), 0L);
326 Assert.assertEquals(Math.max(1L, 0L), 1L);
327 Assert.assertEquals(Math.max(0L, 1L), 1L);
328 Assert.assertEquals(Math.max(0L, Long.MAX_VALUE), Long.MAX_VALUE);
329 Assert.assertEquals(Math.max(Long.MIN_VALUE, 0L), 0L);
330 Assert.assertEquals(Math.max(Long.MIN_VALUE, Long.MAX_VALUE), Long.MAX_VALUE);
331 }
332
333 public static void test_Math_min_F() {
Alexei Zavjalov1222c962014-07-16 00:54:13 +0700334 Assert.assertTrue(Float.isNaN(Math.min(1.0f, Float.NaN)));
335 Assert.assertTrue(Float.isNaN(Math.min(Float.NaN, 1.0f)));
336 Assert.assertEquals(Math.min(-0.0f, 0.0f), -0.0f);
337 Assert.assertEquals(Math.min(0.0f, -0.0f), -0.0f);
338 Assert.assertEquals(Math.min(-0.0f, -0.0f), -0.0f);
339 Assert.assertEquals(Math.min(0.0f, 0.0f), 0.0f);
340 Assert.assertEquals(Math.min(1.0f, 0.0f), 0.0f);
341 Assert.assertEquals(Math.min(0.0f, 1.0f), 0.0f);
342 Assert.assertEquals(Math.min(0.0f, Float.MAX_VALUE), 0.0f);
343 Assert.assertEquals(Math.min(Float.MIN_VALUE, 0.0f), 0.0f);
344 Assert.assertEquals(Math.min(Float.MIN_VALUE, Float.MAX_VALUE), Float.MIN_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100345 }
346
347 public static void test_Math_max_F() {
Alexei Zavjalov1222c962014-07-16 00:54:13 +0700348 Assert.assertTrue(Float.isNaN(Math.max(1.0f, Float.NaN)));
349 Assert.assertTrue(Float.isNaN(Math.max(Float.NaN, 1.0f)));
350 Assert.assertEquals(Math.max(-0.0f, 0.0f), 0.0f);
351 Assert.assertEquals(Math.max(0.0f, -0.0f), 0.0f);
352 Assert.assertEquals(Math.max(-0.0f, -0.0f), -0.0f);
353 Assert.assertEquals(Math.max(0.0f, 0.0f), 0.0f);
354 Assert.assertEquals(Math.max(1.0f, 0.0f), 1.0f);
355 Assert.assertEquals(Math.max(0.0f, 1.0f), 1.0f);
356 Assert.assertEquals(Math.max(0.0f, Float.MAX_VALUE), Float.MAX_VALUE);
357 Assert.assertEquals(Math.max(Float.MIN_VALUE, 0.0f), Float.MIN_VALUE);
358 Assert.assertEquals(Math.max(Float.MIN_VALUE, Float.MAX_VALUE), Float.MAX_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100359 }
360
361 public static void test_Math_min_D() {
Alexei Zavjalov1222c962014-07-16 00:54:13 +0700362 Assert.assertTrue(Double.isNaN(Math.min(1.0d, Double.NaN)));
363 Assert.assertTrue(Double.isNaN(Math.min(Double.NaN, 1.0d)));
364 Assert.assertEquals(Math.min(-0.0d, 0.0d), -0.0d);
365 Assert.assertEquals(Math.min(0.0d, -0.0d), -0.0d);
366 Assert.assertEquals(Math.min(-0.0d, -0.0d), -0.0d);
367 Assert.assertEquals(Math.min(0.0d, 0.0d), 0.0d);
368 Assert.assertEquals(Math.min(1.0d, 0.0d), 0.0d);
369 Assert.assertEquals(Math.min(0.0d, 1.0d), 0.0d);
370 Assert.assertEquals(Math.min(0.0d, Double.MAX_VALUE), 0.0d);
371 Assert.assertEquals(Math.min(Double.MIN_VALUE, 0.0d), 0.0d);
372 Assert.assertEquals(Math.min(Double.MIN_VALUE, Double.MAX_VALUE), Double.MIN_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100373 }
374
375 public static void test_Math_max_D() {
Alexei Zavjalov1222c962014-07-16 00:54:13 +0700376 Assert.assertTrue(Double.isNaN(Math.max(1.0d, Double.NaN)));
377 Assert.assertTrue(Double.isNaN(Math.max(Double.NaN, 1.0d)));
378 Assert.assertEquals(Math.max(-0.0d, 0.0d), 0.0d);
379 Assert.assertEquals(Math.max(0.0d, -0.0d), 0.0d);
380 Assert.assertEquals(Math.max(-0.0d, -0.0d), -0.0d);
381 Assert.assertEquals(Math.max(0.0d, 0.0d), 0.0d);
382 Assert.assertEquals(Math.max(1.0d, 0.0d), 1.0d);
383 Assert.assertEquals(Math.max(0.0d, 1.0d), 1.0d);
384 Assert.assertEquals(Math.max(0.0d, Double.MAX_VALUE), Double.MAX_VALUE);
385 Assert.assertEquals(Math.max(Double.MIN_VALUE, 0.0d), Double.MIN_VALUE);
386 Assert.assertEquals(Math.max(Double.MIN_VALUE, Double.MAX_VALUE), Double.MAX_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100387 }
388
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100389 public static void test_Math_ceil() {
390 Assert.assertEquals(Math.ceil(+0.0), +0.0d, 0.0);
391 Assert.assertEquals(Math.ceil(-0.0), -0.0d, 0.0);
392 Assert.assertEquals(Math.ceil(-0.9), -0.0d, 0.0);
393 Assert.assertEquals(Math.ceil(-0.5), -0.0d, 0.0);
394 Assert.assertEquals(Math.ceil(0.0), -0.0d, 0.0);
395 Assert.assertEquals(Math.ceil(+2.0), +2.0d, 0.0);
396 Assert.assertEquals(Math.ceil(+2.1), +3.0d, 0.0);
397 Assert.assertEquals(Math.ceil(+2.5), +3.0d, 0.0);
398 Assert.assertEquals(Math.ceil(+2.9), +3.0d, 0.0);
399 Assert.assertEquals(Math.ceil(+3.0), +3.0d, 0.0);
400 Assert.assertEquals(Math.ceil(-2.0), -2.0d, 0.0);
401 Assert.assertEquals(Math.ceil(-2.1), -2.0d, 0.0);
402 Assert.assertEquals(Math.ceil(-2.5), -2.0d, 0.0);
403 Assert.assertEquals(Math.ceil(-2.9), -2.0d, 0.0);
404 Assert.assertEquals(Math.ceil(-3.0), -3.0d, 0.0);
405 Assert.assertEquals(Math.ceil(Double.NaN), Double.NaN, 0.0);
406 Assert.assertEquals(Math.ceil(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0);
407 Assert.assertEquals(Math.ceil(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0);
408 }
409
410 public static void test_Math_floor() {
411 Assert.assertEquals(Math.floor(+0.0), +0.0d, 0.0);
412 Assert.assertEquals(Math.floor(-0.0), -0.0d, 0.0);
413 Assert.assertEquals(Math.floor(+2.0), +2.0d, 0.0);
414 Assert.assertEquals(Math.floor(+2.1), +2.0d, 0.0);
415 Assert.assertEquals(Math.floor(+2.5), +2.0d, 0.0);
416 Assert.assertEquals(Math.floor(+2.9), +2.0d, 0.0);
417 Assert.assertEquals(Math.floor(+3.0), +3.0d, 0.0);
418 Assert.assertEquals(Math.floor(-2.0), -2.0d, 0.0);
419 Assert.assertEquals(Math.floor(-2.1), -3.0d, 0.0);
420 Assert.assertEquals(Math.floor(-2.5), -3.0d, 0.0);
421 Assert.assertEquals(Math.floor(-2.9), -3.0d, 0.0);
422 Assert.assertEquals(Math.floor(-3.0), -3.0d, 0.0);
423 Assert.assertEquals(Math.floor(Double.NaN), Double.NaN, 0.0);
424 Assert.assertEquals(Math.floor(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0);
425 Assert.assertEquals(Math.floor(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0);
426 }
427
428 public static void test_Math_rint() {
429 Assert.assertEquals(Math.rint(+0.0), +0.0d, 0.0);
430 Assert.assertEquals(Math.rint(-0.0), -0.0d, 0.0);
431 Assert.assertEquals(Math.rint(+2.0), +2.0d, 0.0);
432 Assert.assertEquals(Math.rint(+2.1), +2.0d, 0.0);
433 Assert.assertEquals(Math.rint(+2.5), +2.0d, 0.0);
434 Assert.assertEquals(Math.rint(+2.9), +3.0d, 0.0);
435 Assert.assertEquals(Math.rint(+3.0), +3.0d, 0.0);
436 Assert.assertEquals(Math.rint(-2.0), -2.0d, 0.0);
437 Assert.assertEquals(Math.rint(-2.1), -2.0d, 0.0);
438 Assert.assertEquals(Math.rint(-2.5), -2.0d, 0.0);
439 Assert.assertEquals(Math.rint(-2.9), -3.0d, 0.0);
440 Assert.assertEquals(Math.rint(-3.0), -3.0d, 0.0);
441 Assert.assertEquals(Math.rint(Double.NaN), Double.NaN, 0.0);
442 Assert.assertEquals(Math.rint(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0);
443 Assert.assertEquals(Math.rint(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0);
444 }
445
446 public static void test_Math_round_D() {
447 Assert.assertEquals(Math.round(+0.0d), (long)+0.0);
448 Assert.assertEquals(Math.round(-0.0d), (long)+0.0);
449 Assert.assertEquals(Math.round(2.0d), 2l);
450 Assert.assertEquals(Math.round(2.1d), 2l);
451 Assert.assertEquals(Math.round(2.5d), 3l);
452 Assert.assertEquals(Math.round(2.9d), 3l);
453 Assert.assertEquals(Math.round(3.0d), 3l);
454 Assert.assertEquals(Math.round(-2.0d), -2l);
455 Assert.assertEquals(Math.round(-2.1d), -2l);
456 Assert.assertEquals(Math.round(-2.5d), -2l);
457 Assert.assertEquals(Math.round(-2.9d), -3l);
458 Assert.assertEquals(Math.round(-3.0d), -3l);
459 Assert.assertEquals(Math.round(0.49999999999999994d), 1l);
460 Assert.assertEquals(Math.round(Double.NaN), (long)+0.0d);
461 Assert.assertEquals(Math.round(Long.MAX_VALUE + 1.0d), Long.MAX_VALUE);
462 Assert.assertEquals(Math.round(Long.MIN_VALUE - 1.0d), Long.MIN_VALUE);
463 Assert.assertEquals(Math.round(Double.POSITIVE_INFINITY), Long.MAX_VALUE);
464 Assert.assertEquals(Math.round(Double.NEGATIVE_INFINITY), Long.MIN_VALUE);
465 }
466
467 public static void test_Math_round_F() {
468 Assert.assertEquals(Math.round(+0.0f), (int)+0.0);
469 Assert.assertEquals(Math.round(-0.0f), (int)+0.0);
470 Assert.assertEquals(Math.round(2.0f), 2);
471 Assert.assertEquals(Math.round(2.1f), 2);
472 Assert.assertEquals(Math.round(2.5f), 3);
473 Assert.assertEquals(Math.round(2.9f), 3);
474 Assert.assertEquals(Math.round(3.0f), 3);
475 Assert.assertEquals(Math.round(-2.0f), -2);
476 Assert.assertEquals(Math.round(-2.1f), -2);
477 Assert.assertEquals(Math.round(-2.5f), -2);
478 Assert.assertEquals(Math.round(-2.9f), -3);
479 Assert.assertEquals(Math.round(-3.0f), -3);
480 Assert.assertEquals(Math.round(Float.NaN), (int)+0.0f);
481 Assert.assertEquals(Math.round(Integer.MAX_VALUE + 1.0f), Integer.MAX_VALUE);
482 Assert.assertEquals(Math.round(Integer.MIN_VALUE - 1.0f), Integer.MIN_VALUE);
483 Assert.assertEquals(Math.round(Float.POSITIVE_INFINITY), Integer.MAX_VALUE);
484 Assert.assertEquals(Math.round(Float.NEGATIVE_INFINITY), Integer.MIN_VALUE);
485 }
486
Sebastien Hertzbf1442d2013-03-05 15:12:40 +0100487 public static void test_StrictMath_abs_I() {
488 Assert.assertEquals(StrictMath.abs(0), 0);
489 Assert.assertEquals(StrictMath.abs(123), 123);
490 Assert.assertEquals(StrictMath.abs(-123), 123);
491 Assert.assertEquals(StrictMath.abs(Integer.MAX_VALUE), Integer.MAX_VALUE);
492 Assert.assertEquals(StrictMath.abs(Integer.MIN_VALUE), Integer.MIN_VALUE);
493 Assert.assertEquals(StrictMath.abs(Integer.MIN_VALUE - 1), Integer.MAX_VALUE);
494 Assert.assertEquals(StrictMath.abs(Integer.MIN_VALUE + 1), Integer.MAX_VALUE);
495 }
496
497 public static void test_StrictMath_abs_J() {
498 Assert.assertEquals(StrictMath.abs(0L), 0L);
499 Assert.assertEquals(StrictMath.abs(123L), 123L);
500 Assert.assertEquals(StrictMath.abs(-123L), 123L);
501 Assert.assertEquals(StrictMath.abs(Long.MAX_VALUE), Long.MAX_VALUE);
502 Assert.assertEquals(StrictMath.abs(Long.MIN_VALUE), Long.MIN_VALUE);
503 Assert.assertEquals(StrictMath.abs(Long.MIN_VALUE - 1), Long.MAX_VALUE);
504 }
505
Serban Constantinescu23abec92014-07-02 16:13:38 +0100506 public static void test_StrictMath_min_I() {
Sebastien Hertzbf1442d2013-03-05 15:12:40 +0100507 Assert.assertEquals(StrictMath.min(0, 0), 0);
508 Assert.assertEquals(StrictMath.min(1, 0), 0);
509 Assert.assertEquals(StrictMath.min(0, 1), 0);
510 Assert.assertEquals(StrictMath.min(0, Integer.MAX_VALUE), 0);
511 Assert.assertEquals(StrictMath.min(Integer.MIN_VALUE, 0), Integer.MIN_VALUE);
512 Assert.assertEquals(StrictMath.min(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MIN_VALUE);
513 }
514
Serban Constantinescu23abec92014-07-02 16:13:38 +0100515 public static void test_StrictMath_max_I() {
Sebastien Hertzbf1442d2013-03-05 15:12:40 +0100516 Assert.assertEquals(StrictMath.max(0, 0), 0);
517 Assert.assertEquals(StrictMath.max(1, 0), 1);
518 Assert.assertEquals(StrictMath.max(0, 1), 1);
519 Assert.assertEquals(StrictMath.max(0, Integer.MAX_VALUE), Integer.MAX_VALUE);
520 Assert.assertEquals(StrictMath.max(Integer.MIN_VALUE, 0), 0);
521 Assert.assertEquals(StrictMath.max(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MAX_VALUE);
522 }
523
Serban Constantinescu23abec92014-07-02 16:13:38 +0100524 public static void test_StrictMath_min_J() {
525 Assert.assertEquals(StrictMath.min(0L, 0L), 0L);
526 Assert.assertEquals(StrictMath.min(1L, 0L), 0L);
527 Assert.assertEquals(StrictMath.min(0L, 1L), 0L);
528 Assert.assertEquals(StrictMath.min(0L, Long.MAX_VALUE), 0L);
529 Assert.assertEquals(StrictMath.min(Long.MIN_VALUE, 0L), Long.MIN_VALUE);
530 Assert.assertEquals(StrictMath.min(Long.MIN_VALUE, Long.MAX_VALUE), Long.MIN_VALUE);
531 }
532
533 public static void test_StrictMath_max_J() {
534 Assert.assertEquals(StrictMath.max(0L, 0L), 0L);
535 Assert.assertEquals(StrictMath.max(1L, 0L), 1L);
536 Assert.assertEquals(StrictMath.max(0L, 1L), 1L);
537 Assert.assertEquals(StrictMath.max(0L, Long.MAX_VALUE), Long.MAX_VALUE);
538 Assert.assertEquals(StrictMath.max(Long.MIN_VALUE, 0L), 0L);
539 Assert.assertEquals(StrictMath.max(Long.MIN_VALUE, Long.MAX_VALUE), Long.MAX_VALUE);
540 }
541
542 public static void test_StrictMath_min_F() {
Alexei Zavjalov1222c962014-07-16 00:54:13 +0700543 Assert.assertTrue(Float.isNaN(StrictMath.min(1.0f, Float.NaN)));
544 Assert.assertTrue(Float.isNaN(StrictMath.min(Float.NaN, 1.0f)));
545 Assert.assertEquals(StrictMath.min(-0.0f, 0.0f), -0.0f);
546 Assert.assertEquals(StrictMath.min(0.0f, -0.0f), -0.0f);
547 Assert.assertEquals(StrictMath.min(-0.0f, -0.0f), -0.0f);
548 Assert.assertEquals(StrictMath.min(0.0f, 0.0f), 0.0f);
549 Assert.assertEquals(StrictMath.min(1.0f, 0.0f), 0.0f);
550 Assert.assertEquals(StrictMath.min(0.0f, 1.0f), 0.0f);
551 Assert.assertEquals(StrictMath.min(0.0f, Float.MAX_VALUE), 0.0f);
552 Assert.assertEquals(StrictMath.min(Float.MIN_VALUE, 0.0f), 0.0f);
553 Assert.assertEquals(StrictMath.min(Float.MIN_VALUE, Float.MAX_VALUE), Float.MIN_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100554 }
555
556 public static void test_StrictMath_max_F() {
Alexei Zavjalov1222c962014-07-16 00:54:13 +0700557 Assert.assertTrue(Float.isNaN(StrictMath.max(1.0f, Float.NaN)));
558 Assert.assertTrue(Float.isNaN(StrictMath.max(Float.NaN, 1.0f)));
559 Assert.assertEquals(StrictMath.max(-0.0f, 0.0f), 0.0f);
560 Assert.assertEquals(StrictMath.max(0.0f, -0.0f), 0.0f);
561 Assert.assertEquals(StrictMath.max(-0.0f, -0.0f), -0.0f);
562 Assert.assertEquals(StrictMath.max(0.0f, 0.0f), 0.0f);
563 Assert.assertEquals(StrictMath.max(1.0f, 0.0f), 1.0f);
564 Assert.assertEquals(StrictMath.max(0.0f, 1.0f), 1.0f);
565 Assert.assertEquals(StrictMath.max(0.0f, Float.MAX_VALUE), Float.MAX_VALUE);
566 Assert.assertEquals(StrictMath.max(Float.MIN_VALUE, 0.0f), Float.MIN_VALUE);
567 Assert.assertEquals(StrictMath.max(Float.MIN_VALUE, Float.MAX_VALUE), Float.MAX_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100568 }
569
570 public static void test_StrictMath_min_D() {
Alexei Zavjalov1222c962014-07-16 00:54:13 +0700571 Assert.assertTrue(Double.isNaN(StrictMath.min(1.0d, Double.NaN)));
572 Assert.assertTrue(Double.isNaN(StrictMath.min(Double.NaN, 1.0d)));
573 Assert.assertEquals(StrictMath.min(-0.0d, 0.0d), -0.0d);
574 Assert.assertEquals(StrictMath.min(0.0d, -0.0d), -0.0d);
575 Assert.assertEquals(StrictMath.min(-0.0d, -0.0d), -0.0d);
576 Assert.assertEquals(StrictMath.min(0.0d, 0.0d), 0.0d);
577 Assert.assertEquals(StrictMath.min(1.0d, 0.0d), 0.0d);
578 Assert.assertEquals(StrictMath.min(0.0d, 1.0d), 0.0d);
579 Assert.assertEquals(StrictMath.min(0.0d, Double.MAX_VALUE), 0.0d);
580 Assert.assertEquals(StrictMath.min(Double.MIN_VALUE, 0.0d), 0.0d);
581 Assert.assertEquals(StrictMath.min(Double.MIN_VALUE, Double.MAX_VALUE), Double.MIN_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100582 }
583
584 public static void test_StrictMath_max_D() {
Alexei Zavjalov1222c962014-07-16 00:54:13 +0700585 Assert.assertTrue(Double.isNaN(StrictMath.max(1.0d, Double.NaN)));
586 Assert.assertTrue(Double.isNaN(StrictMath.max(Double.NaN, 1.0d)));
587 Assert.assertEquals(StrictMath.max(-0.0d, 0.0d), 0.0d);
588 Assert.assertEquals(StrictMath.max(0.0d, -0.0d), 0.0d);
589 Assert.assertEquals(StrictMath.max(-0.0d, -0.0d), -0.0d);
590 Assert.assertEquals(StrictMath.max(0.0d, 0.0d), 0.0d);
591 Assert.assertEquals(StrictMath.max(1.0d, 0.0d), 1.0d);
592 Assert.assertEquals(StrictMath.max(0.0d, 1.0d), 1.0d);
593 Assert.assertEquals(StrictMath.max(0.0d, Double.MAX_VALUE), Double.MAX_VALUE);
594 Assert.assertEquals(StrictMath.max(Double.MIN_VALUE, 0.0d), Double.MIN_VALUE);
595 Assert.assertEquals(StrictMath.max(Double.MIN_VALUE, Double.MAX_VALUE), Double.MAX_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100596 }
597
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100598 public static void test_StrictMath_ceil() {
599 Assert.assertEquals(StrictMath.ceil(+0.0), +0.0d, 0.0);
600 Assert.assertEquals(StrictMath.ceil(-0.0), -0.0d, 0.0);
601 Assert.assertEquals(StrictMath.ceil(-0.9), -0.0d, 0.0);
602 Assert.assertEquals(StrictMath.ceil(-0.5), -0.0d, 0.0);
603 Assert.assertEquals(StrictMath.ceil(0.0), -0.0d, 0.0);
604 Assert.assertEquals(StrictMath.ceil(+2.0), +2.0d, 0.0);
605 Assert.assertEquals(StrictMath.ceil(+2.1), +3.0d, 0.0);
606 Assert.assertEquals(StrictMath.ceil(+2.5), +3.0d, 0.0);
607 Assert.assertEquals(StrictMath.ceil(+2.9), +3.0d, 0.0);
608 Assert.assertEquals(StrictMath.ceil(+3.0), +3.0d, 0.0);
609 Assert.assertEquals(StrictMath.ceil(-2.0), -2.0d, 0.0);
610 Assert.assertEquals(StrictMath.ceil(-2.1), -2.0d, 0.0);
611 Assert.assertEquals(StrictMath.ceil(-2.5), -2.0d, 0.0);
612 Assert.assertEquals(StrictMath.ceil(-2.9), -2.0d, 0.0);
613 Assert.assertEquals(StrictMath.ceil(-3.0), -3.0d, 0.0);
614 Assert.assertEquals(StrictMath.ceil(Double.NaN), Double.NaN, 0.0);
615 Assert.assertEquals(StrictMath.ceil(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0);
616 Assert.assertEquals(StrictMath.ceil(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0);
617 }
618
619 public static void test_StrictMath_floor() {
620 Assert.assertEquals(StrictMath.floor(+0.0), +0.0d, 0.0);
621 Assert.assertEquals(StrictMath.floor(-0.0), -0.0d, 0.0);
622 Assert.assertEquals(StrictMath.floor(+2.0), +2.0d, 0.0);
623 Assert.assertEquals(StrictMath.floor(+2.1), +2.0d, 0.0);
624 Assert.assertEquals(StrictMath.floor(+2.5), +2.0d, 0.0);
625 Assert.assertEquals(StrictMath.floor(+2.9), +2.0d, 0.0);
626 Assert.assertEquals(StrictMath.floor(+3.0), +3.0d, 0.0);
627 Assert.assertEquals(StrictMath.floor(-2.0), -2.0d, 0.0);
628 Assert.assertEquals(StrictMath.floor(-2.1), -3.0d, 0.0);
629 Assert.assertEquals(StrictMath.floor(-2.5), -3.0d, 0.0);
630 Assert.assertEquals(StrictMath.floor(-2.9), -3.0d, 0.0);
631 Assert.assertEquals(StrictMath.floor(-3.0), -3.0d, 0.0);
632 Assert.assertEquals(StrictMath.floor(Double.NaN), Double.NaN, 0.0);
633 Assert.assertEquals(StrictMath.floor(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0);
634 Assert.assertEquals(StrictMath.floor(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0);
635 }
636
637 public static void test_StrictMath_rint() {
638 Assert.assertEquals(StrictMath.rint(+0.0), +0.0d, 0.0);
639 Assert.assertEquals(StrictMath.rint(-0.0), -0.0d, 0.0);
640 Assert.assertEquals(StrictMath.rint(+2.0), +2.0d, 0.0);
641 Assert.assertEquals(StrictMath.rint(+2.1), +2.0d, 0.0);
642 Assert.assertEquals(StrictMath.rint(+2.5), +2.0d, 0.0);
643 Assert.assertEquals(StrictMath.rint(+2.9), +3.0d, 0.0);
644 Assert.assertEquals(StrictMath.rint(+3.0), +3.0d, 0.0);
645 Assert.assertEquals(StrictMath.rint(-2.0), -2.0d, 0.0);
646 Assert.assertEquals(StrictMath.rint(-2.1), -2.0d, 0.0);
647 Assert.assertEquals(StrictMath.rint(-2.5), -2.0d, 0.0);
648 Assert.assertEquals(StrictMath.rint(-2.9), -3.0d, 0.0);
649 Assert.assertEquals(StrictMath.rint(-3.0), -3.0d, 0.0);
650 Assert.assertEquals(StrictMath.rint(Double.NaN), Double.NaN, 0.0);
651 Assert.assertEquals(StrictMath.rint(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0);
652 Assert.assertEquals(StrictMath.rint(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0);
653 }
654
655 public static void test_StrictMath_round_D() {
656 Assert.assertEquals(StrictMath.round(+0.0d), (long)+0.0);
657 Assert.assertEquals(StrictMath.round(-0.0d), (long)+0.0);
658 Assert.assertEquals(StrictMath.round(2.0d), 2l);
659 Assert.assertEquals(StrictMath.round(2.1d), 2l);
660 Assert.assertEquals(StrictMath.round(2.5d), 3l);
661 Assert.assertEquals(StrictMath.round(2.9d), 3l);
662 Assert.assertEquals(StrictMath.round(3.0d), 3l);
663 Assert.assertEquals(StrictMath.round(-2.0d), -2l);
664 Assert.assertEquals(StrictMath.round(-2.1d), -2l);
665 Assert.assertEquals(StrictMath.round(-2.5d), -2l);
666 Assert.assertEquals(StrictMath.round(-2.9d), -3l);
667 Assert.assertEquals(StrictMath.round(-3.0d), -3l);
668 Assert.assertEquals(StrictMath.round(0.49999999999999994d), 1l);
669 Assert.assertEquals(StrictMath.round(Double.NaN), (long)+0.0d);
670 Assert.assertEquals(StrictMath.round(Long.MAX_VALUE + 1.0d), Long.MAX_VALUE);
671 Assert.assertEquals(StrictMath.round(Long.MIN_VALUE - 1.0d), Long.MIN_VALUE);
672 Assert.assertEquals(StrictMath.round(Double.POSITIVE_INFINITY), Long.MAX_VALUE);
673 Assert.assertEquals(StrictMath.round(Double.NEGATIVE_INFINITY), Long.MIN_VALUE);
674 }
675
676 public static void test_StrictMath_round_F() {
677 Assert.assertEquals(StrictMath.round(+0.0f), (int)+0.0);
678 Assert.assertEquals(StrictMath.round(-0.0f), (int)+0.0);
679 Assert.assertEquals(StrictMath.round(2.0f), 2);
680 Assert.assertEquals(StrictMath.round(2.1f), 2);
681 Assert.assertEquals(StrictMath.round(2.5f), 3);
682 Assert.assertEquals(StrictMath.round(2.9f), 3);
683 Assert.assertEquals(StrictMath.round(3.0f), 3);
684 Assert.assertEquals(StrictMath.round(-2.0f), -2);
685 Assert.assertEquals(StrictMath.round(-2.1f), -2);
686 Assert.assertEquals(StrictMath.round(-2.5f), -2);
687 Assert.assertEquals(StrictMath.round(-2.9f), -3);
688 Assert.assertEquals(StrictMath.round(-3.0f), -3);
689 Assert.assertEquals(StrictMath.round(Float.NaN), (int)+0.0f);
690 Assert.assertEquals(StrictMath.round(Integer.MAX_VALUE + 1.0f), Integer.MAX_VALUE);
691 Assert.assertEquals(StrictMath.round(Integer.MIN_VALUE - 1.0f), Integer.MIN_VALUE);
692 Assert.assertEquals(StrictMath.round(Float.POSITIVE_INFINITY), Integer.MAX_VALUE);
693 Assert.assertEquals(StrictMath.round(Float.NEGATIVE_INFINITY), Integer.MIN_VALUE);
694 }
695
Elliott Hughes28c384b2012-06-15 16:46:25 -0700696 public static void test_Float_floatToRawIntBits() {
697 Assert.assertEquals(Float.floatToRawIntBits(-1.0f), 0xbf800000);
698 Assert.assertEquals(Float.floatToRawIntBits(0.0f), 0);
699 Assert.assertEquals(Float.floatToRawIntBits(1.0f), 0x3f800000);
700 Assert.assertEquals(Float.floatToRawIntBits(Float.NaN), 0x7fc00000);
701 Assert.assertEquals(Float.floatToRawIntBits(Float.POSITIVE_INFINITY), 0x7f800000);
702 Assert.assertEquals(Float.floatToRawIntBits(Float.NEGATIVE_INFINITY), 0xff800000);
703 }
704
705 public static void test_Float_intBitsToFloat() {
706 Assert.assertEquals(Float.intBitsToFloat(0xbf800000), -1.0f);
707 Assert.assertEquals(Float.intBitsToFloat(0x00000000), 0.0f);
708 Assert.assertEquals(Float.intBitsToFloat(0x3f800000), 1.0f);
709 Assert.assertEquals(Float.intBitsToFloat(0x7fc00000), Float.NaN);
710 Assert.assertEquals(Float.intBitsToFloat(0x7f800000), Float.POSITIVE_INFINITY);
711 Assert.assertEquals(Float.intBitsToFloat(0xff800000), Float.NEGATIVE_INFINITY);
712 }
713
714 public static void test_Double_doubleToRawLongBits() {
715 Assert.assertEquals(Double.doubleToRawLongBits(-1.0), 0xbff0000000000000L);
716 Assert.assertEquals(Double.doubleToRawLongBits(0.0), 0x0000000000000000L);
717 Assert.assertEquals(Double.doubleToRawLongBits(1.0), 0x3ff0000000000000L);
718 Assert.assertEquals(Double.doubleToRawLongBits(Double.NaN), 0x7ff8000000000000L);
719 Assert.assertEquals(Double.doubleToRawLongBits(Double.POSITIVE_INFINITY), 0x7ff0000000000000L);
720 Assert.assertEquals(Double.doubleToRawLongBits(Double.NEGATIVE_INFINITY), 0xfff0000000000000L);
721 }
722
723 public static void test_Double_longBitsToDouble() {
724 Assert.assertEquals(Double.longBitsToDouble(0xbff0000000000000L), -1.0);
725 Assert.assertEquals(Double.longBitsToDouble(0x0000000000000000L), 0.0);
726 Assert.assertEquals(Double.longBitsToDouble(0x3ff0000000000000L), 1.0);
727 Assert.assertEquals(Double.longBitsToDouble(0x7ff8000000000000L), Double.NaN);
728 Assert.assertEquals(Double.longBitsToDouble(0x7ff0000000000000L), Double.POSITIVE_INFINITY);
729 Assert.assertEquals(Double.longBitsToDouble(0xfff0000000000000L), Double.NEGATIVE_INFINITY);
730 }
Serban Constantinescu23abec92014-07-02 16:13:38 +0100731
Zheng Xua3fe7422014-07-09 14:03:15 +0800732 public static void test_Short_reverseBytes() {
733 Assert.assertEquals(Short.reverseBytes((short)0x0000), (short)0x0000);
734 Assert.assertEquals(Short.reverseBytes((short)0xffff), (short)0xffff);
735 Assert.assertEquals(Short.reverseBytes((short)0x8000), (short)0x0080);
736 Assert.assertEquals(Short.reverseBytes((short)0x0080), (short)0x8000);
737 Assert.assertEquals(Short.reverseBytes((short)0x0123), (short)0x2301);
738 Assert.assertEquals(Short.reverseBytes((short)0x4567), (short)0x6745);
739 Assert.assertEquals(Short.reverseBytes((short)0x89ab), (short)0xab89);
740 Assert.assertEquals(Short.reverseBytes((short)0xcdef), (short)0xefcd);
741 }
742
743 public static void test_Integer_reverseBytes() {
744 Assert.assertEquals(Integer.reverseBytes(0x00000000), 0x00000000);
745 Assert.assertEquals(Integer.reverseBytes(0xffffffff), 0xffffffff);
746 Assert.assertEquals(Integer.reverseBytes(0x80000000), 0x00000080);
747 Assert.assertEquals(Integer.reverseBytes(0x00000080), 0x80000000);
748 Assert.assertEquals(Integer.reverseBytes(0x01234567), 0x67452301);
749 Assert.assertEquals(Integer.reverseBytes(0x89abcdef), 0xefcdab89);
750 }
751
752 public static void test_Long_reverseBytes() {
753 Assert.assertEquals(Long.reverseBytes(0x0000000000000000L), 0x0000000000000000L);
754 Assert.assertEquals(Long.reverseBytes(0xffffffffffffffffL), 0xffffffffffffffffL);
755 Assert.assertEquals(Long.reverseBytes(0x8000000000000000L), 0x0000000000000080L);
756 Assert.assertEquals(Long.reverseBytes(0x0000000000000080L), 0x8000000000000000L);
757 Assert.assertEquals(Long.reverseBytes(0x0123456789abcdefL), 0xefcdab8967452301L);
758 }
759
Serban Constantinescu23abec92014-07-02 16:13:38 +0100760 public static void test_Integer_reverse() {
761 Assert.assertEquals(Integer.reverse(1), 0x80000000);
762 Assert.assertEquals(Integer.reverse(-1), 0xffffffff);
763 Assert.assertEquals(Integer.reverse(0), 0);
764 Assert.assertEquals(Integer.reverse(0x12345678), 0x1e6a2c48);
765 Assert.assertEquals(Integer.reverse(0x87654321), 0x84c2a6e1);
766 Assert.assertEquals(Integer.reverse(Integer.MAX_VALUE), 0xfffffffe);
767 Assert.assertEquals(Integer.reverse(Integer.MIN_VALUE), 1);
768 }
769
770 public static void test_Long_reverse() {
771 Assert.assertEquals(Long.reverse(1L), 0x8000000000000000L);
772 Assert.assertEquals(Long.reverse(-1L), 0xffffffffffffffffL);
773 Assert.assertEquals(Long.reverse(0L), 0L);
Zheng Xua3fe7422014-07-09 14:03:15 +0800774 Assert.assertEquals(Long.reverse(0x1234567812345678L), 0x1e6a2c481e6a2c48L);
775 Assert.assertEquals(Long.reverse(0x8765432187654321L), 0x84c2a6e184c2a6e1L);
776 Assert.assertEquals(Long.reverse(Long.MAX_VALUE), 0xfffffffffffffffeL);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100777 Assert.assertEquals(Long.reverse(Long.MIN_VALUE), 1L);
778 }
779
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +0700780 static Object runtime;
781 static Method address_of;
Zuo Wangf37a88b2014-07-10 04:26:41 -0700782 static Method new_non_movable_array;
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +0700783 static Method peek_byte;
784 static Method peek_short;
785 static Method peek_int;
786 static Method peek_long;
787 static Method poke_byte;
788 static Method poke_short;
789 static Method poke_int;
790 static Method poke_long;
791
792 public static void initSupportMethodsForPeekPoke() throws Exception {
793 Class<?> vm_runtime = Class.forName("dalvik.system.VMRuntime");
794 Method get_runtime = vm_runtime.getDeclaredMethod("getRuntime");
795 runtime = get_runtime.invoke(null);
796 address_of = vm_runtime.getDeclaredMethod("addressOf", Object.class);
Zuo Wangf37a88b2014-07-10 04:26:41 -0700797 new_non_movable_array = vm_runtime.getDeclaredMethod("newNonMovableArray", Class.class, Integer.TYPE);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +0700798
799 Class<?> io_memory = Class.forName("libcore.io.Memory");
800 peek_byte = io_memory.getDeclaredMethod("peekByte", Long.TYPE);
801 peek_int = io_memory.getDeclaredMethod("peekInt", Long.TYPE, Boolean.TYPE);
802 peek_short = io_memory.getDeclaredMethod("peekShort", Long.TYPE, Boolean.TYPE);
803 peek_long = io_memory.getDeclaredMethod("peekLong", Long.TYPE, Boolean.TYPE);
804 poke_byte = io_memory.getDeclaredMethod("pokeByte", Long.TYPE, Byte.TYPE);
805 poke_short = io_memory.getDeclaredMethod("pokeShort", Long.TYPE, Short.TYPE, Boolean.TYPE);
806 poke_int = io_memory.getDeclaredMethod("pokeInt", Long.TYPE, Integer.TYPE, Boolean.TYPE);
807 poke_long = io_memory.getDeclaredMethod("pokeLong", Long.TYPE, Long.TYPE, Boolean.TYPE);
808 }
809
810 public static void test_Memory_peekByte() throws Exception {
Zuo Wangf37a88b2014-07-10 04:26:41 -0700811 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 2);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +0700812 b[0] = 0x12;
813 b[1] = 0x11;
814 long address = (long)address_of.invoke(runtime, b);
815 Assert.assertEquals((byte)peek_byte.invoke(null, address), 0x12);
816 Assert.assertEquals((byte)peek_byte.invoke(null, address + 1), 0x11);
817 }
818
819 public static void test_Memory_peekShort() throws Exception {
Zuo Wangf37a88b2014-07-10 04:26:41 -0700820 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 3);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +0700821 b[0] = 0x13;
822 b[1] = 0x12;
823 b[2] = 0x11;
824 long address = (long)address_of.invoke(runtime, b);
825 Assert.assertEquals((short)peek_short.invoke(null, address, false), 0x1213); // Aligned read
826 Assert.assertEquals((short)peek_short.invoke(null, address + 1, false), 0x1112); // Unaligned read
827 }
828
829 public static void test_Memory_peekInt() throws Exception {
Zuo Wangf37a88b2014-07-10 04:26:41 -0700830 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 5);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +0700831 b[0] = 0x15;
832 b[1] = 0x14;
833 b[2] = 0x13;
834 b[3] = 0x12;
835 b[4] = 0x11;
836 long address = (long)address_of.invoke(runtime, b);
837 Assert.assertEquals((int)peek_int.invoke(null, address, false), 0x12131415);
838 Assert.assertEquals((int)peek_int.invoke(null, address + 1, false), 0x11121314);
839 }
840
841 public static void test_Memory_peekLong() throws Exception {
Zuo Wangf37a88b2014-07-10 04:26:41 -0700842 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 9);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +0700843 b[0] = 0x19;
844 b[1] = 0x18;
845 b[2] = 0x17;
846 b[3] = 0x16;
847 b[4] = 0x15;
848 b[5] = 0x14;
849 b[6] = 0x13;
850 b[7] = 0x12;
851 b[8] = 0x11;
852 long address = (long)address_of.invoke(runtime, b);
853 Assert.assertEquals((long)peek_long.invoke(null, address, false), 0x1213141516171819L);
854 Assert.assertEquals((long)peek_long.invoke(null, address + 1, false), 0x1112131415161718L);
855 }
856
857 public static void test_Memory_pokeByte() throws Exception {
858 byte[] r = {0x11, 0x12};
Zuo Wangf37a88b2014-07-10 04:26:41 -0700859 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 2);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +0700860 long address = (long)address_of.invoke(runtime, b);
861 poke_byte.invoke(null, address, (byte)0x11);
862 poke_byte.invoke(null, address + 1, (byte)0x12);
863 Assert.assertTrue(Arrays.equals(r, b));
864 }
865
866 public static void test_Memory_pokeShort() throws Exception {
867 byte[] ra = {0x12, 0x11, 0x13};
868 byte[] ru = {0x12, 0x22, 0x21};
Zuo Wangf37a88b2014-07-10 04:26:41 -0700869 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 3);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +0700870 long address = (long)address_of.invoke(runtime, b);
871
872 // Aligned write
873 b[2] = 0x13;
874 poke_short.invoke(null, address, (short)0x1112, false);
875 Assert.assertTrue(Arrays.equals(ra, b));
876
877 // Unaligned write
878 poke_short.invoke(null, address + 1, (short)0x2122, false);
879 Assert.assertTrue(Arrays.equals(ru, b));
880 }
881
882 public static void test_Memory_pokeInt() throws Exception {
883 byte[] ra = {0x14, 0x13, 0x12, 0x11, 0x15};
884 byte[] ru = {0x14, 0x24, 0x23, 0x22, 0x21};
Zuo Wangf37a88b2014-07-10 04:26:41 -0700885 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 5);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +0700886 long address = (long)address_of.invoke(runtime, b);
887
888 b[4] = 0x15;
889 poke_int.invoke(null, address, (int)0x11121314, false);
890 Assert.assertTrue(Arrays.equals(ra, b));
891
892 poke_int.invoke(null, address + 1, (int)0x21222324, false);
893 Assert.assertTrue(Arrays.equals(ru, b));
894 }
895
896 public static void test_Memory_pokeLong() throws Exception {
897 byte[] ra = {0x18, 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x19};
898 byte[] ru = {0x18, 0x28, 0x27, 0x26, 0x25, 0x24, 0x23, 0x22, 0x21};
Zuo Wangf37a88b2014-07-10 04:26:41 -0700899 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 9);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +0700900 long address = (long)address_of.invoke(runtime, b);
901
902 b[8] = 0x19;
903 poke_long.invoke(null, address, (long)0x1112131415161718L, false);
904 Assert.assertTrue(Arrays.equals(ra, b));
905
906 poke_long.invoke(null, address + 1, (long)0x2122232425262728L, false);
907 Assert.assertTrue(Arrays.equals(ru, b));
908 }
jeffhao5d1ac922011-09-29 17:41:15 -0700909}