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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);
}
}