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+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import junit.framework.Assert;
+
+public class Main {
+ public static void main(String args[]) {
+ test_Double_doubleToRawLongBits();
+ test_Double_longBitsToDouble();
+ test_Float_floatToRawIntBits();
+ test_Float_intBitsToFloat();
+ test_Math_abs_I();
+ test_Math_abs_J();
+ test_Math_min();
+ test_Math_max();
+ test_StrictMath_abs_I();
+ test_StrictMath_abs_J();
+ test_StrictMath_min();
+ test_StrictMath_max();
+ test_String_charAt();
+ test_String_compareTo();
+ test_String_indexOf();
+ test_String_isEmpty();
+ test_String_length();
+ }
+
+ public static void test_String_length() {
+ String str0 = "";
+ String str1 = "x";
+ String str80 = "01234567890123456789012345678901234567890123456789012345678901234567890123456789";
+
+ Assert.assertEquals(str0.length(), 0);
+ Assert.assertEquals(str1.length(), 1);
+ Assert.assertEquals(str80.length(), 80);
+
+ String strNull = null;
+ try {
+ strNull.length();
+ Assert.fail();
+ } catch (NullPointerException expected) {
+ }
+ }
+
+ public static void test_String_isEmpty() {
+ String str0 = "";
+ String str1 = "x";
+
+ Assert.assertTrue(str0.isEmpty());
+ Assert.assertFalse(str1.isEmpty());
+
+ String strNull = null;
+ try {
+ strNull.isEmpty();
+ Assert.fail();
+ } catch (NullPointerException expected) {
+ }
+ }
+
+ public static void test_String_charAt() {
+ String testStr = "Now is the time";
+
+ Assert.assertEquals('N', testStr.charAt(0));
+ Assert.assertEquals('o', testStr.charAt(1));
+ Assert.assertEquals(' ', testStr.charAt(10));
+ Assert.assertEquals('e', testStr.charAt(testStr.length()-1));
+
+ try {
+ testStr.charAt(-1);
+ Assert.fail();
+ } catch (StringIndexOutOfBoundsException expected) {
+ }
+ try {
+ testStr.charAt(80);
+ Assert.fail();
+ } catch (StringIndexOutOfBoundsException expected) {
+ }
+
+ String strNull = null;
+ try {
+ strNull.charAt(0);
+ Assert.fail();
+ } catch (NullPointerException expected) {
+ }
+ }
+
+ public static void test_String_indexOf() {
+ String str0 = "";
+ String str3 = "abc";
+ String str10 = "abcdefghij";
+ String str40 = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabc";
+
+ int supplementaryChar = 0x20b9f;
+ String surrogatePair = "\ud842\udf9f";
+ String stringWithSurrogates = "hello " + surrogatePair + " world";
+
+ Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar), "hello ".length());
+ Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar, 2), "hello ".length());
+ Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar, 6), 6);
+ Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar, 7), -1);
+
+ Assert.assertEquals(str0.indexOf('a'), -1);
+ Assert.assertEquals(str3.indexOf('a'), 0);
+ Assert.assertEquals(str3.indexOf('b'), 1);
+ Assert.assertEquals(str3.indexOf('c'), 2);
+ Assert.assertEquals(str10.indexOf('j'), 9);
+ Assert.assertEquals(str40.indexOf('a'), 0);
+ Assert.assertEquals(str40.indexOf('b'), 38);
+ Assert.assertEquals(str40.indexOf('c'), 39);
+ Assert.assertEquals(str0.indexOf('a',20), -1);
+ Assert.assertEquals(str0.indexOf('a',0), -1);
+ Assert.assertEquals(str0.indexOf('a',-1), -1);
+ Assert.assertEquals(str3.indexOf('a',0), 0);
+ Assert.assertEquals(str3.indexOf('a',1), -1);
+ Assert.assertEquals(str3.indexOf('a',1234), -1);
+ Assert.assertEquals(str3.indexOf('b',0), 1);
+ Assert.assertEquals(str3.indexOf('b',1), 1);
+ Assert.assertEquals(str3.indexOf('c',2), 2);
+ Assert.assertEquals(str10.indexOf('j',5), 9);
+ Assert.assertEquals(str10.indexOf('j',9), 9);
+ Assert.assertEquals(str40.indexOf('a',10), 10);
+ Assert.assertEquals(str40.indexOf('b',40), -1);
+
+ String strNull = null;
+ try {
+ strNull.indexOf('a');
+ Assert.fail();
+ } catch (NullPointerException expected) {
+ }
+ try {
+ strNull.indexOf('a', 0);
+ Assert.fail();
+ } catch (NullPointerException expected) {
+ }
+ try {
+ strNull.indexOf('a', -1);
+ Assert.fail();
+ } catch (NullPointerException expected) {
+ }
+ }
+
+ public static void test_String_compareTo() {
+ String test = "0123456789";
+ String test1 = new String("0123456789"); // different object
+ String test2 = new String("0123456780"); // different value
+ String offset = new String("xxx0123456789yyy");
+ String sub = offset.substring(3, 13);
+ String str32 = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
+ String str33 = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxy";
+ String lc = "abcdefg";
+ String uc = "ABCDEFG";
+ Object blah = new Object();
+
+ Assert.assertTrue(lc.toUpperCase().equals(uc));
+
+ Assert.assertEquals(str32.compareTo(str33), -1);
+ Assert.assertEquals(str33.compareTo(str32), 1);
+
+ Assert.assertTrue(test.equals(test));
+ Assert.assertTrue(test.equals(test1));
+ Assert.assertFalse(test.equals(test2));
+
+ Assert.assertEquals(test.compareTo(test1), 0);
+ Assert.assertTrue(test1.compareTo(test2) > 0);
+ Assert.assertTrue(test2.compareTo(test1) < 0);
+
+ // Compare string with a nonzero offset, in left/right side.
+ Assert.assertEquals(test.compareTo(sub), 0);
+ Assert.assertEquals(sub.compareTo(test), 0);
+ Assert.assertTrue(test.equals(sub));
+ Assert.assertTrue(sub.equals(test));
+ // Same base, one is a substring.
+ Assert.assertFalse(offset.equals(sub));
+ Assert.assertFalse(sub.equals(offset));
+ // Wrong class.
+ Assert.assertFalse(test.equals(blah));
+
+ // Null lhs - throw.
+ try {
+ test.compareTo(null);
+ Assert.fail("didn't get expected npe");
+ } catch (NullPointerException npe) {
+ }
+ // Null rhs - okay.
+ Assert.assertFalse(test.equals(null));
+
+ test = test.substring(1);
+ Assert.assertTrue(test.equals("123456789"));
+ Assert.assertFalse(test.equals(test1));
+
+ test = test.substring(1);
+ Assert.assertTrue(test.equals("23456789"));
+
+ test = test.substring(1);
+ Assert.assertTrue(test.equals("3456789"));
+
+ test = test.substring(1);
+ Assert.assertTrue(test.equals("456789"));
+
+ test = test.substring(3,5);
+ Assert.assertTrue(test.equals("78"));
+
+ test = "this/is/a/path";
+ String[] strings = test.split("/");
+ Assert.assertEquals(4, strings.length);
+
+ Assert.assertEquals("this is a path", test.replaceAll("/", " "));
+ Assert.assertEquals("this is a path", test.replace("/", " "));
+ }
+
+ public static void test_Math_abs_I() {
+ Assert.assertEquals(Math.abs(0), 0);
+ Assert.assertEquals(Math.abs(123), 123);
+ Assert.assertEquals(Math.abs(-123), 123);
+ Assert.assertEquals(Math.abs(Integer.MAX_VALUE), Integer.MAX_VALUE);
+ Assert.assertEquals(Math.abs(Integer.MIN_VALUE), Integer.MIN_VALUE);
+ Assert.assertEquals(Math.abs(Integer.MIN_VALUE - 1), Integer.MAX_VALUE);
+ Assert.assertEquals(Math.abs(Integer.MIN_VALUE + 1), Integer.MAX_VALUE);
+ }
+
+ public static void test_Math_abs_J() {
+ Assert.assertEquals(Math.abs(0L), 0L);
+ Assert.assertEquals(Math.abs(123L), 123L);
+ Assert.assertEquals(Math.abs(-123L), 123L);
+ Assert.assertEquals(Math.abs(Long.MAX_VALUE), Long.MAX_VALUE);
+ Assert.assertEquals(Math.abs(Long.MIN_VALUE), Long.MIN_VALUE);
+ Assert.assertEquals(Math.abs(Long.MIN_VALUE - 1), Long.MAX_VALUE);
+ }
+
+ public static void test_Math_min() {
+ Assert.assertEquals(Math.min(0, 0), 0);
+ Assert.assertEquals(Math.min(1, 0), 0);
+ Assert.assertEquals(Math.min(0, 1), 0);
+ Assert.assertEquals(Math.min(0, Integer.MAX_VALUE), 0);
+ Assert.assertEquals(Math.min(Integer.MIN_VALUE, 0), Integer.MIN_VALUE);
+ Assert.assertEquals(Math.min(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MIN_VALUE);
+ }
+
+ public static void test_Math_max() {
+ Assert.assertEquals(Math.max(0, 0), 0);
+ Assert.assertEquals(Math.max(1, 0), 1);
+ Assert.assertEquals(Math.max(0, 1), 1);
+ Assert.assertEquals(Math.max(0, Integer.MAX_VALUE), Integer.MAX_VALUE);
+ Assert.assertEquals(Math.max(Integer.MIN_VALUE, 0), 0);
+ Assert.assertEquals(Math.max(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MAX_VALUE);
+ }
+
+ public static void test_StrictMath_abs_I() {
+ Assert.assertEquals(StrictMath.abs(0), 0);
+ Assert.assertEquals(StrictMath.abs(123), 123);
+ Assert.assertEquals(StrictMath.abs(-123), 123);
+ Assert.assertEquals(StrictMath.abs(Integer.MAX_VALUE), Integer.MAX_VALUE);
+ Assert.assertEquals(StrictMath.abs(Integer.MIN_VALUE), Integer.MIN_VALUE);
+ Assert.assertEquals(StrictMath.abs(Integer.MIN_VALUE - 1), Integer.MAX_VALUE);
+ Assert.assertEquals(StrictMath.abs(Integer.MIN_VALUE + 1), Integer.MAX_VALUE);
+ }
+
+ public static void test_StrictMath_abs_J() {
+ Assert.assertEquals(StrictMath.abs(0L), 0L);
+ Assert.assertEquals(StrictMath.abs(123L), 123L);
+ Assert.assertEquals(StrictMath.abs(-123L), 123L);
+ Assert.assertEquals(StrictMath.abs(Long.MAX_VALUE), Long.MAX_VALUE);
+ Assert.assertEquals(StrictMath.abs(Long.MIN_VALUE), Long.MIN_VALUE);
+ Assert.assertEquals(StrictMath.abs(Long.MIN_VALUE - 1), Long.MAX_VALUE);
+ }
+
+ public static void test_StrictMath_min() {
+ Assert.assertEquals(StrictMath.min(0, 0), 0);
+ Assert.assertEquals(StrictMath.min(1, 0), 0);
+ Assert.assertEquals(StrictMath.min(0, 1), 0);
+ Assert.assertEquals(StrictMath.min(0, Integer.MAX_VALUE), 0);
+ Assert.assertEquals(StrictMath.min(Integer.MIN_VALUE, 0), Integer.MIN_VALUE);
+ Assert.assertEquals(StrictMath.min(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MIN_VALUE);
+ }
+
+ public static void test_StrictMath_max() {
+ Assert.assertEquals(StrictMath.max(0, 0), 0);
+ Assert.assertEquals(StrictMath.max(1, 0), 1);
+ Assert.assertEquals(StrictMath.max(0, 1), 1);
+ Assert.assertEquals(StrictMath.max(0, Integer.MAX_VALUE), Integer.MAX_VALUE);
+ Assert.assertEquals(StrictMath.max(Integer.MIN_VALUE, 0), 0);
+ Assert.assertEquals(StrictMath.max(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MAX_VALUE);
+ }
+
+ public static void test_Float_floatToRawIntBits() {
+ Assert.assertEquals(Float.floatToRawIntBits(-1.0f), 0xbf800000);
+ Assert.assertEquals(Float.floatToRawIntBits(0.0f), 0);
+ Assert.assertEquals(Float.floatToRawIntBits(1.0f), 0x3f800000);
+ Assert.assertEquals(Float.floatToRawIntBits(Float.NaN), 0x7fc00000);
+ Assert.assertEquals(Float.floatToRawIntBits(Float.POSITIVE_INFINITY), 0x7f800000);
+ Assert.assertEquals(Float.floatToRawIntBits(Float.NEGATIVE_INFINITY), 0xff800000);
+ }
+
+ public static void test_Float_intBitsToFloat() {
+ Assert.assertEquals(Float.intBitsToFloat(0xbf800000), -1.0f);
+ Assert.assertEquals(Float.intBitsToFloat(0x00000000), 0.0f);
+ Assert.assertEquals(Float.intBitsToFloat(0x3f800000), 1.0f);
+ Assert.assertEquals(Float.intBitsToFloat(0x7fc00000), Float.NaN);
+ Assert.assertEquals(Float.intBitsToFloat(0x7f800000), Float.POSITIVE_INFINITY);
+ Assert.assertEquals(Float.intBitsToFloat(0xff800000), Float.NEGATIVE_INFINITY);
+ }
+
+ public static void test_Double_doubleToRawLongBits() {
+ Assert.assertEquals(Double.doubleToRawLongBits(-1.0), 0xbff0000000000000L);
+ Assert.assertEquals(Double.doubleToRawLongBits(0.0), 0x0000000000000000L);
+ Assert.assertEquals(Double.doubleToRawLongBits(1.0), 0x3ff0000000000000L);
+ Assert.assertEquals(Double.doubleToRawLongBits(Double.NaN), 0x7ff8000000000000L);
+ Assert.assertEquals(Double.doubleToRawLongBits(Double.POSITIVE_INFINITY), 0x7ff0000000000000L);
+ Assert.assertEquals(Double.doubleToRawLongBits(Double.NEGATIVE_INFINITY), 0xfff0000000000000L);
+ }
+
+ public static void test_Double_longBitsToDouble() {
+ Assert.assertEquals(Double.longBitsToDouble(0xbff0000000000000L), -1.0);
+ Assert.assertEquals(Double.longBitsToDouble(0x0000000000000000L), 0.0);
+ Assert.assertEquals(Double.longBitsToDouble(0x3ff0000000000000L), 1.0);
+ Assert.assertEquals(Double.longBitsToDouble(0x7ff8000000000000L), Double.NaN);
+ Assert.assertEquals(Double.longBitsToDouble(0x7ff0000000000000L), Double.POSITIVE_INFINITY);
+ Assert.assertEquals(Double.longBitsToDouble(0xfff0000000000000L), Double.NEGATIVE_INFINITY);
+ }
+}