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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;
import java.util.Arrays;
import java.lang.reflect.Method;
public class Main {
public static void main(String args[]) throws Exception {
test_Double_doubleToRawLongBits();
test_Double_longBitsToDouble();
test_Float_floatToRawIntBits();
test_Float_intBitsToFloat();
test_Math_abs_I();
test_Math_abs_J();
test_Math_min_I();
test_Math_max_I();
test_Math_min_J();
test_Math_max_J();
test_Math_min_F();
test_Math_max_F();
test_Math_min_D();
test_Math_max_D();
test_Math_sqrt();
test_Math_ceil();
test_Math_floor();
test_Math_rint();
test_Math_round_D();
test_Math_round_F();
test_Math_isNaN_D();
test_Math_isNaN_F();
test_Math_isInfinite_D();
test_Math_isInfinite_F();
test_Math_multiplyHigh();
test_Math_fma_D();
test_Math_fma_F();
test_Short_reverseBytes();
test_Integer_reverseBytes();
test_Long_reverseBytes();
test_Integer_reverse();
test_Long_reverse();
test_Integer_numberOfLeadingZeros();
test_Long_numberOfLeadingZeros();
test_StrictMath_abs_I();
test_StrictMath_abs_J();
test_StrictMath_min_I();
test_StrictMath_max_I();
test_StrictMath_min_J();
test_StrictMath_max_J();
test_StrictMath_min_F();
test_StrictMath_max_F();
test_StrictMath_min_D();
test_StrictMath_max_D();
test_StrictMath_sqrt();
test_StrictMath_ceil();
test_StrictMath_floor();
test_StrictMath_rint();
test_StrictMath_round_D();
test_StrictMath_round_F();
test_String_charAt();
test_String_compareTo();
test_String_indexOf();
test_String_isEmpty();
test_String_length();
test_Thread_currentThread();
initSupportMethodsForPeekPoke();
test_Memory_peekByte();
test_Memory_peekShort();
test_Memory_peekInt();
test_Memory_peekLong();
test_Memory_pokeByte();
test_Memory_pokeShort();
test_Memory_pokeInt();
test_Memory_pokeLong();
test_Integer_divideUnsigned();
test_Long_divideUnsigned();
test_Integer_numberOfTrailingZeros();
test_Long_numberOfTrailingZeros();
test_Integer_rotateRight();
test_Long_rotateRight();
test_Integer_rotateLeft();
test_Long_rotateLeft();
test_Integer_rotateRightLeft();
test_Long_rotateRightLeft();
}
/**
* Will test inlining Thread.currentThread().
*/
public static void test_Thread_currentThread() {
// 1. Do not use result.
Thread.currentThread();
// 2. Result should not be null.
Assert.assertNotNull(Thread.currentThread());
}
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) {
}
}
// Break up the charAt tests. The optimizing compiler doesn't optimize methods with try-catch yet,
// so we need to separate out the tests that are expected to throw exception
public static void test_String_charAt() {
String testStr = "Now is the time to test some stuff";
Assert.assertEquals(testStr.length() - 1, 33); // 33 = testStr.length()-1 as a constant.
Assert.assertEquals('f', testStr.charAt(33));
test_String_charAt(testStr, 'N', 'o', ' ', 'f');
test_String_charAt(testStr.substring(3,15), ' ', 'i', 'm', 'e');
}
public static void test_String_charAt(String testStr, char a, char b, char c, char d) {
Assert.assertEquals(a, testStr.charAt(0));
Assert.assertEquals(b, testStr.charAt(1));
Assert.assertEquals(c, testStr.charAt(10));
Assert.assertEquals(d, testStr.charAt(testStr.length()-1));
test_String_charAtExc(testStr);
test_String_charAtExc2(testStr);
}
private static void test_String_charAtExc(String testStr) {
try {
testStr.charAt(-1);
Assert.fail();
} catch (StringIndexOutOfBoundsException expected) {
}
try {
testStr.charAt(80);
Assert.fail();
} catch (StringIndexOutOfBoundsException expected) {
}
try {
if (testStr.length() == 34) {
testStr.charAt(34); // 34 = "Now is the time to test some stuff".length()
} else {
Assert.assertEquals(testStr.length(), 12); // 12 = " is the time".length()
testStr.charAt(12);
}
Assert.fail();
} catch (StringIndexOutOfBoundsException expected) {
}
try {
test_String_charAt_inner(testStr, -1);
Assert.fail();
} catch (StringIndexOutOfBoundsException expected) {
}
try {
test_String_charAt_inner(testStr, 80);
Assert.fail();
} catch (StringIndexOutOfBoundsException expected) {
}
try {
if (testStr.length() == 34) {
// 34 = "Now is the time to test some stuff".length()
test_String_charAt_inner(testStr, 34);
} else {
Assert.assertEquals(testStr.length(), 12); // 12 = " is the time".length()
test_String_charAt_inner(testStr, 12);
}
Assert.fail();
} catch (StringIndexOutOfBoundsException expected) {
}
String strEmpty = "";
try {
strEmpty.charAt(0);
Assert.fail();
} catch (StringIndexOutOfBoundsException expected) {
}
String strNull = null;
try {
strNull.charAt(0);
Assert.fail();
} catch (NullPointerException expected) {
}
}
private static char test_String_charAt_inner(String s, int index) {
// Using non-constant index here (assuming that this method wasn't inlined).
return s.charAt(index);
}
private static void test_String_charAtExc2(String testStr) {
try {
test_String_charAtExc3(testStr);
Assert.fail();
} catch (StringIndexOutOfBoundsException expected) {
}
try {
test_String_charAtExc4(testStr);
Assert.fail();
} catch (StringIndexOutOfBoundsException expected) {
}
}
private static void test_String_charAtExc3(String testStr) {
Assert.assertEquals('N', testStr.charAt(-1));
}
private static void test_String_charAtExc4(String testStr) {
Assert.assertEquals('N', testStr.charAt(100));
}
static int start;
private static int[] negIndex = { -100000 };
public static void test_String_indexOf() {
String str0 = "";
String str1 = "/";
String str3 = "abc";
String str10 = "abcdefghij";
String str40 = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabc";
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(str1.indexOf('/',++start), -1);
Assert.assertEquals(str1.indexOf('a',negIndex[0]), -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);
testIndexOfNull();
// Same data as above, but stored so it's not a literal in the next test. -2 stands for
// indexOf(I) instead of indexOf(II).
start--;
int[][] searchData = {
{ 'a', -2, -1 },
{ 'a', -2, 0 },
{ 'b', -2, 1 },
{ 'c', -2, 2 },
{ 'j', -2, 9 },
{ 'a', -2, 0 },
{ 'b', -2, 38 },
{ 'c', -2, 39 },
{ 'a', 20, -1 },
{ 'a', 0, -1 },
{ 'a', -1, -1 },
{ '/', ++start, -1 },
{ 'a', negIndex[0], -1 },
{ 'a', 0, 0 },
{ 'a', 1, -1 },
{ 'a', 1234, -1 },
{ 'b', 0, 1 },
{ 'b', 1, 1 },
{ 'c', 2, 2 },
{ 'j', 5, 9 },
{ 'j', 9, 9 },
{ 'a', 10, 10 },
{ 'b', 40, -1 },
};
testStringIndexOfChars(searchData);
testSurrogateIndexOf();
}
private static void testStringIndexOfChars(int[][] searchData) {
// Use a try-catch to avoid inlining.
try {
testStringIndexOfCharsImpl(searchData);
} catch (Exception e) {
System.out.println("Unexpected exception");
}
}
private static void testStringIndexOfCharsImpl(int[][] searchData) {
String str0 = "";
String str1 = "/";
String str3 = "abc";
String str10 = "abcdefghij";
String str40 = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabc";
Assert.assertEquals(str0.indexOf(searchData[0][0]), searchData[0][2]);
Assert.assertEquals(str3.indexOf(searchData[1][0]), searchData[1][2]);
Assert.assertEquals(str3.indexOf(searchData[2][0]), searchData[2][2]);
Assert.assertEquals(str3.indexOf(searchData[3][0]), searchData[3][2]);
Assert.assertEquals(str10.indexOf(searchData[4][0]), searchData[4][2]);
Assert.assertEquals(str40.indexOf(searchData[5][0]), searchData[5][2]);
Assert.assertEquals(str40.indexOf(searchData[6][0]), searchData[6][2]);
Assert.assertEquals(str40.indexOf(searchData[7][0]), searchData[7][2]);
Assert.assertEquals(str0.indexOf(searchData[8][0], searchData[8][1]), searchData[8][2]);
Assert.assertEquals(str0.indexOf(searchData[9][0], searchData[9][1]), searchData[9][2]);
Assert.assertEquals(str0.indexOf(searchData[10][0], searchData[10][1]), searchData[10][2]);
Assert.assertEquals(str1.indexOf(searchData[11][0], searchData[11][1]), searchData[11][2]);
Assert.assertEquals(str1.indexOf(searchData[12][0], searchData[12][1]), searchData[12][2]);
Assert.assertEquals(str3.indexOf(searchData[13][0], searchData[13][1]), searchData[13][2]);
Assert.assertEquals(str3.indexOf(searchData[14][0], searchData[14][1]), searchData[14][2]);
Assert.assertEquals(str3.indexOf(searchData[15][0], searchData[15][1]), searchData[15][2]);
Assert.assertEquals(str3.indexOf(searchData[16][0], searchData[16][1]), searchData[16][2]);
Assert.assertEquals(str3.indexOf(searchData[17][0], searchData[17][1]), searchData[17][2]);
Assert.assertEquals(str3.indexOf(searchData[18][0], searchData[18][1]), searchData[18][2]);
Assert.assertEquals(str10.indexOf(searchData[19][0], searchData[19][1]), searchData[19][2]);
Assert.assertEquals(str10.indexOf(searchData[20][0], searchData[20][1]), searchData[20][2]);
Assert.assertEquals(str40.indexOf(searchData[21][0], searchData[21][1]), searchData[21][2]);
Assert.assertEquals(str40.indexOf(searchData[22][0], searchData[22][1]), searchData[22][2]);
}
private static void testSurrogateIndexOf() {
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(stringWithSurrogates.indexOf(supplementaryChar - 0x10000), -1);
Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar | 0x80000000), -1);
}
private static void testIndexOfNull() {
String strNull = null;
try {
testNullIndex(strNull, 'a');
Assert.fail();
} catch (NullPointerException expected) {
}
try {
testNullIndex(strNull, 'a', 0);
Assert.fail();
} catch (NullPointerException expected) {
}
try {
testNullIndex(strNull, 'a', -1);
Assert.fail();
} catch (NullPointerException expected) {
}
}
private static int testNullIndex(String strNull, int c) {
return strNull.indexOf(c);
}
private static int testNullIndex(String strNull, int c, int startIndex) {
return strNull.indexOf(c, startIndex);
}
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() {
Math.abs(-1);
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() {
Math.abs(-1L);
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);
Assert.assertEquals(Math.abs(2147483648L), 2147483648L);
}
public static void test_Math_min_I() {
Math.min(1, 0);
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_I() {
Math.max(1, 0);
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_Math_min_J() {
Math.min(1L, 0L);
Assert.assertEquals(Math.min(0L, 0L), 0L);
Assert.assertEquals(Math.min(1L, 0L), 0L);
Assert.assertEquals(Math.min(0L, 1L), 0L);
Assert.assertEquals(Math.min(0L, Long.MAX_VALUE), 0L);
Assert.assertEquals(Math.min(Long.MIN_VALUE, 0L), Long.MIN_VALUE);
Assert.assertEquals(Math.min(Long.MIN_VALUE, Long.MAX_VALUE), Long.MIN_VALUE);
}
public static void test_Math_max_J() {
Math.max(1L, 0L);
Assert.assertEquals(Math.max(0L, 0L), 0L);
Assert.assertEquals(Math.max(1L, 0L), 1L);
Assert.assertEquals(Math.max(0L, 1L), 1L);
Assert.assertEquals(Math.max(0L, Long.MAX_VALUE), Long.MAX_VALUE);
Assert.assertEquals(Math.max(Long.MIN_VALUE, 0L), 0L);
Assert.assertEquals(Math.max(Long.MIN_VALUE, Long.MAX_VALUE), Long.MAX_VALUE);
}
public static void test_Math_min_F() {
Math.min(1.0f, Float.NaN);
Assert.assertTrue(Float.isNaN(Math.min(1.0f, Float.NaN)));
Assert.assertTrue(Float.isNaN(Math.min(Float.NaN, 1.0f)));
Assert.assertEquals(Math.min(-0.0f, 0.0f), -0.0f);
Assert.assertEquals(Math.min(0.0f, -0.0f), -0.0f);
Assert.assertEquals(Math.min(-0.0f, -0.0f), -0.0f);
Assert.assertEquals(Math.min(0.0f, 0.0f), 0.0f);
Assert.assertEquals(Math.min(1.0f, 0.0f), 0.0f);
Assert.assertEquals(Math.min(0.0f, 1.0f), 0.0f);
Assert.assertEquals(Math.min(0.0f, Float.MAX_VALUE), 0.0f);
Assert.assertEquals(Math.min(Float.MIN_VALUE, 0.0f), 0.0f);
Assert.assertEquals(Math.min(Float.MIN_VALUE, Float.MAX_VALUE), Float.MIN_VALUE);
// Should not have flush-to-zero behavior.
Assert.assertEquals(Math.min(Float.MIN_VALUE, Float.MIN_VALUE), Float.MIN_VALUE);
}
public static void test_Math_max_F() {
Math.max(1.0f, Float.NaN);
Assert.assertTrue(Float.isNaN(Math.max(1.0f, Float.NaN)));
Assert.assertTrue(Float.isNaN(Math.max(Float.NaN, 1.0f)));
Assert.assertEquals(Math.max(-0.0f, 0.0f), 0.0f);
Assert.assertEquals(Math.max(0.0f, -0.0f), 0.0f);
Assert.assertEquals(Math.max(-0.0f, -0.0f), -0.0f);
Assert.assertEquals(Math.max(0.0f, 0.0f), 0.0f);
Assert.assertEquals(Math.max(1.0f, 0.0f), 1.0f);
Assert.assertEquals(Math.max(0.0f, 1.0f), 1.0f);
Assert.assertEquals(Math.max(0.0f, Float.MAX_VALUE), Float.MAX_VALUE);
Assert.assertEquals(Math.max(Float.MIN_VALUE, Float.MAX_VALUE), Float.MAX_VALUE);
// Should not have flush-to-zero behavior.
Assert.assertEquals(Math.max(Float.MIN_VALUE, 0.0f), Float.MIN_VALUE);
Assert.assertEquals(Math.max(Float.MIN_VALUE, Float.MIN_VALUE), Float.MIN_VALUE);
}
public static void test_Math_min_D() {
Math.min(1.0d, Double.NaN);
Assert.assertTrue(Double.isNaN(Math.min(1.0d, Double.NaN)));
Assert.assertTrue(Double.isNaN(Math.min(Double.NaN, 1.0d)));
Assert.assertEquals(Math.min(-0.0d, 0.0d), -0.0d);
Assert.assertEquals(Math.min(0.0d, -0.0d), -0.0d);
Assert.assertEquals(Math.min(-0.0d, -0.0d), -0.0d);
Assert.assertEquals(Math.min(0.0d, 0.0d), 0.0d);
Assert.assertEquals(Math.min(1.0d, 0.0d), 0.0d);
Assert.assertEquals(Math.min(0.0d, 1.0d), 0.0d);
Assert.assertEquals(Math.min(0.0d, Double.MAX_VALUE), 0.0d);
Assert.assertEquals(Math.min(Double.MIN_VALUE, 0.0d), 0.0d);
Assert.assertEquals(Math.min(Double.MIN_VALUE, Double.MAX_VALUE), Double.MIN_VALUE);
// Should not have flush-to-zero behavior.
Assert.assertEquals(Math.min(Double.MIN_VALUE, Double.MIN_VALUE), Double.MIN_VALUE);
}
public static void test_Math_max_D() {
Math.max(1.0d, Double.NaN);
Assert.assertTrue(Double.isNaN(Math.max(1.0d, Double.NaN)));
Assert.assertTrue(Double.isNaN(Math.max(Double.NaN, 1.0d)));
Assert.assertEquals(Math.max(-0.0d, 0.0d), 0.0d);
Assert.assertEquals(Math.max(0.0d, -0.0d), 0.0d);
Assert.assertEquals(Math.max(-0.0d, -0.0d), -0.0d);
Assert.assertEquals(Math.max(0.0d, 0.0d), 0.0d);
Assert.assertEquals(Math.max(1.0d, 0.0d), 1.0d);
Assert.assertEquals(Math.max(0.0d, 1.0d), 1.0d);
Assert.assertEquals(Math.max(0.0d, Double.MAX_VALUE), Double.MAX_VALUE);
Assert.assertEquals(Math.max(Double.MIN_VALUE, 0.0d), Double.MIN_VALUE);
Assert.assertEquals(Math.max(Double.MIN_VALUE, Double.MAX_VALUE), Double.MAX_VALUE);
// Should not have flush-to-zero behavior.
Assert.assertEquals(Math.max(Double.MIN_VALUE, 0.0d), Double.MIN_VALUE);
Assert.assertEquals(Math.max(Double.MIN_VALUE, Double.MIN_VALUE), Double.MIN_VALUE);
}
public static void test_Math_sqrt() {
Math.sqrt(+4.0);
Assert.assertEquals(Math.sqrt(+4.0), +2.0d, 0.0);
Assert.assertEquals(Math.sqrt(+49.0), +7.0d, 0.0);
Assert.assertEquals(Math.sqrt(+1.44), +1.2d, 0.0);
}
public static void test_Math_ceil() {
Math.ceil(-0.9);
Assert.assertEquals(Math.ceil(+0.0), +0.0d, 0.0);
Assert.assertEquals(Math.ceil(-0.0), -0.0d, 0.0);
Assert.assertEquals(Math.ceil(-0.9), -0.0d, 0.0);
Assert.assertEquals(Math.ceil(-0.5), -0.0d, 0.0);
Assert.assertEquals(Math.ceil(0.0), -0.0d, 0.0);
Assert.assertEquals(Math.ceil(+2.0), +2.0d, 0.0);
Assert.assertEquals(Math.ceil(+2.1), +3.0d, 0.0);
Assert.assertEquals(Math.ceil(+2.5), +3.0d, 0.0);
Assert.assertEquals(Math.ceil(+2.9), +3.0d, 0.0);
Assert.assertEquals(Math.ceil(+3.0), +3.0d, 0.0);
Assert.assertEquals(Math.ceil(-2.0), -2.0d, 0.0);
Assert.assertEquals(Math.ceil(-2.1), -2.0d, 0.0);
Assert.assertEquals(Math.ceil(-2.5), -2.0d, 0.0);
Assert.assertEquals(Math.ceil(-2.9), -2.0d, 0.0);
Assert.assertEquals(Math.ceil(-3.0), -3.0d, 0.0);
// 2^52 - 1.5
Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x432FFFFFFFFFFFFDl)),
Double.longBitsToDouble(0x432FFFFFFFFFFFFEl), 0.0);
// 2^52 - 0.5
Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x432FFFFFFFFFFFFFl)),
Double.longBitsToDouble(0x4330000000000000l), 0.0);
// 2^52
Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x4330000000000000l)),
Double.longBitsToDouble(0x4330000000000000l), 0.0);
// 2^53 - 1
Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x433FFFFFFFFFFFFFl)),
Double.longBitsToDouble(0x433FFFFFFFFFFFFFl), 0.0);
// 2^53
Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x4340000000000000l)),
Double.longBitsToDouble(0x4340000000000000l), 0.0);
// 2^63 - 2^10
Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x43DFFFFFFFFFFFFFl)),
Double.longBitsToDouble(0x43DFFFFFFFFFFFFFl), 0.0);
// 2^63
Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x43E0000000000000l)),
Double.longBitsToDouble(0x43E0000000000000l), 0.0);
// 2^64
Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x43F0000000000000l)),
Double.longBitsToDouble(0x43F0000000000000l), 0.0);
// -(2^52 - 1.5)
Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC32FFFFFFFFFFFFDl)),
Double.longBitsToDouble(0xC32FFFFFFFFFFFFCl), 0.0);
// -(2^52 - 0.5)
Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC32FFFFFFFFFFFFFl)),
Double.longBitsToDouble(0xC32FFFFFFFFFFFFEl), 0.0);
// -2^52
Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC330000000000000l)),
Double.longBitsToDouble(0xC330000000000000l), 0.0);
// -(2^53 - 1)
Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC33FFFFFFFFFFFFFl)),
Double.longBitsToDouble(0xC33FFFFFFFFFFFFFl), 0.0);
// -2^53
Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC340000000000000l)),
Double.longBitsToDouble(0xC340000000000000l), 0.0);
// -(2^63 - 2^10)
Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC3DFFFFFFFFFFFFFl)),
Double.longBitsToDouble(0xC3DFFFFFFFFFFFFFl), 0.0);
// -2^63
Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC3E0000000000000l)),
Double.longBitsToDouble(0xC3E0000000000000l), 0.0);
// -2^64
Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC3F0000000000000l)),
Double.longBitsToDouble(0xC3F0000000000000l), 0.0);
Assert.assertEquals(Math.ceil(Double.NaN), Double.NaN, 0.0);
Assert.assertEquals(Math.ceil(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0);
Assert.assertEquals(Math.ceil(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0);
}
public static void test_Math_floor() {
Math.floor(+2.1);
Assert.assertEquals(Math.floor(+0.0), +0.0d, 0.0);
Assert.assertEquals(Math.floor(-0.0), -0.0d, 0.0);
Assert.assertEquals(Math.floor(+2.0), +2.0d, 0.0);
Assert.assertEquals(Math.floor(+2.1), +2.0d, 0.0);
Assert.assertEquals(Math.floor(+2.5), +2.0d, 0.0);
Assert.assertEquals(Math.floor(+2.9), +2.0d, 0.0);
Assert.assertEquals(Math.floor(+3.0), +3.0d, 0.0);
Assert.assertEquals(Math.floor(-2.0), -2.0d, 0.0);
Assert.assertEquals(Math.floor(-2.1), -3.0d, 0.0);
Assert.assertEquals(Math.floor(-2.5), -3.0d, 0.0);
Assert.assertEquals(Math.floor(-2.9), -3.0d, 0.0);
Assert.assertEquals(Math.floor(-3.0), -3.0d, 0.0);
// 2^52 - 1.5
Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x432FFFFFFFFFFFFDl)),
Double.longBitsToDouble(0x432FFFFFFFFFFFFCl), 0.0);
// 2^52 - 0.5
Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x432FFFFFFFFFFFFFl)),
Double.longBitsToDouble(0x432FFFFFFFFFFFFEl), 0.0);
// 2^52
Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x4330000000000000l)),
Double.longBitsToDouble(0x4330000000000000l), 0.0);
// 2^53 - 1
Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x433FFFFFFFFFFFFFl)),
Double.longBitsToDouble(0x433FFFFFFFFFFFFFl), 0.0);
// 2^53
Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x4340000000000000l)),
Double.longBitsToDouble(0x4340000000000000l), 0.0);
// 2^63 - 2^10
Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x43DFFFFFFFFFFFFFl)),
Double.longBitsToDouble(0x43DFFFFFFFFFFFFFl), 0.0);
// 2^63
Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x43E0000000000000l)),
Double.longBitsToDouble(0x43E0000000000000l), 0.0);
// 2^64
Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x43F0000000000000l)),
Double.longBitsToDouble(0x43F0000000000000l), 0.0);
// -(2^52 - 1.5)
Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC32FFFFFFFFFFFFDl)),
Double.longBitsToDouble(0xC32FFFFFFFFFFFFEl), 0.0);
// -(2^52 - 0.5)
Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC32FFFFFFFFFFFFFl)),
Double.longBitsToDouble(0xC330000000000000l), 0.0);
// -2^52
Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC330000000000000l)),
Double.longBitsToDouble(0xC330000000000000l), 0.0);
// -(2^53 - 1)
Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC33FFFFFFFFFFFFFl)),
Double.longBitsToDouble(0xC33FFFFFFFFFFFFFl), 0.0);
// -2^53
Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC340000000000000l)),
Double.longBitsToDouble(0xC340000000000000l), 0.0);
// -(2^63 - 2^10)
Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC3DFFFFFFFFFFFFFl)),
Double.longBitsToDouble(0xC3DFFFFFFFFFFFFFl), 0.0);
// -2^63
Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC3E0000000000000l)),
Double.longBitsToDouble(0xC3E0000000000000l), 0.0);
// -2^64
Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC3F0000000000000l)),
Double.longBitsToDouble(0xC3F0000000000000l), 0.0);
Assert.assertEquals(Math.floor(Double.NaN), Double.NaN, 0.0);
Assert.assertEquals(Math.floor(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0);
Assert.assertEquals(Math.floor(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0);
}
public static void test_Math_rint() {
Math.rint(+2.1);
Assert.assertEquals(Math.rint(+0.0), +0.0d, 0.0);
Assert.assertEquals(Math.rint(-0.0), -0.0d, 0.0);
Assert.assertEquals(Math.rint(+0.5), +0.0d, 0.0); // expects tie-to-even
Assert.assertEquals(Math.rint(+2.0), +2.0d, 0.0);
Assert.assertEquals(Math.rint(+2.1), +2.0d, 0.0);
Assert.assertEquals(Math.rint(+2.5), +2.0d, 0.0); // expects tie-to-even
Assert.assertEquals(Math.rint(+2.9), +3.0d, 0.0);
Assert.assertEquals(Math.rint(+3.0), +3.0d, 0.0);
Assert.assertEquals(Math.rint(+3.5), +4.0d, 0.0); // expects tie-to-even
Assert.assertEquals(Math.rint(-2.0), -2.0d, 0.0);
Assert.assertEquals(Math.rint(-2.1), -2.0d, 0.0);
Assert.assertEquals(Math.rint(-2.5), -2.0d, 0.0); // expects tie-to-even
Assert.assertEquals(Math.rint(-2.9), -3.0d, 0.0);
Assert.assertEquals(Math.rint(-3.0), -3.0d, 0.0);
Assert.assertEquals(Math.rint(-3.5), -4.0d, 0.0); // expects tie-to-even
// 2^52 - 1.5
Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x432FFFFFFFFFFFFDl)),
Double.longBitsToDouble(0x432FFFFFFFFFFFFCl), 0.0);
// 2^52 - 0.5
Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x432FFFFFFFFFFFFFl)),
Double.longBitsToDouble(0x4330000000000000l), 0.0);
// 2^52
Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x4330000000000000l)),
Double.longBitsToDouble(0x4330000000000000l), 0.0);
// 2^53 - 1
Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x433FFFFFFFFFFFFFl)),
Double.longBitsToDouble(0x433FFFFFFFFFFFFFl), 0.0);
// 2^53
Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x4340000000000000l)),
Double.longBitsToDouble(0x4340000000000000l), 0.0);
// 2^63 - 2^10
Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x43DFFFFFFFFFFFFFl)),
Double.longBitsToDouble(0x43DFFFFFFFFFFFFFl), 0.0);
// 2^63
Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x43E0000000000000l)),
Double.longBitsToDouble(0x43E0000000000000l), 0.0);
// 2^64
Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x43F0000000000000l)),
Double.longBitsToDouble(0x43F0000000000000l), 0.0);
// -(2^52 - 1.5)
Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC32FFFFFFFFFFFFDl)),
Double.longBitsToDouble(0xC32FFFFFFFFFFFFCl), 0.0);
// -(2^52 - 0.5)
Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC32FFFFFFFFFFFFFl)),
Double.longBitsToDouble(0xC330000000000000l), 0.0);
// -2^52
Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC330000000000000l)),
Double.longBitsToDouble(0xC330000000000000l), 0.0);
// -(2^53 - 1)
Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC33FFFFFFFFFFFFFl)),
Double.longBitsToDouble(0xC33FFFFFFFFFFFFFl), 0.0);
// -2^53
Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC340000000000000l)),
Double.longBitsToDouble(0xC340000000000000l), 0.0);
// -(2^63 - 2^10)
Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC3DFFFFFFFFFFFFFl)),
Double.longBitsToDouble(0xC3DFFFFFFFFFFFFFl), 0.0);
// -2^63
Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC3E0000000000000l)),
Double.longBitsToDouble(0xC3E0000000000000l), 0.0);
// -2^64
Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC3F0000000000000l)),
Double.longBitsToDouble(0xC3F0000000000000l), 0.0);
Assert.assertEquals(Math.rint(Double.NaN), Double.NaN, 0.0);
Assert.assertEquals(Math.rint(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0);
Assert.assertEquals(Math.rint(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0);
}
public static void test_Math_round_D() {
Math.round(2.1d);
Assert.assertEquals(Math.round(+0.0d), (long)+0.0);
Assert.assertEquals(Math.round(-0.0d), (long)+0.0);
Assert.assertEquals(Math.round(2.0d), 2l);
Assert.assertEquals(Math.round(2.1d), 2l);
Assert.assertEquals(Math.round(2.5d), 3l);
Assert.assertEquals(Math.round(2.9d), 3l);
Assert.assertEquals(Math.round(3.0d), 3l);
Assert.assertEquals(Math.round(-2.0d), -2l);
Assert.assertEquals(Math.round(-2.1d), -2l);
Assert.assertEquals(Math.round(-2.5d), -2l);
Assert.assertEquals(Math.round(-2.9d), -3l);
Assert.assertEquals(Math.round(-3.0d), -3l);
Assert.assertEquals(Math.round(0.49999999999999994d), 0l);
Assert.assertEquals(Math.round(4503599627370495.0d), 4503599627370495l); // 2^52 - 1
Assert.assertEquals(Math.round(4503599627370495.5d), 4503599627370496l); // 2^52 - 0.5
Assert.assertEquals(Math.round(4503599627370496.0d), 4503599627370496l); // 2^52
Assert.assertEquals(Math.round(-4503599627370495.0d), -4503599627370495l); // -(2^52 - 1)
Assert.assertEquals(Math.round(-4503599627370495.5d), -4503599627370495l); // -(2^52 - 0.5)
Assert.assertEquals(Math.round(-4503599627370496.0d), -4503599627370496l); // -2^52
Assert.assertEquals(Math.round(9007199254740991.0d), 9007199254740991l); // 2^53 - 1
Assert.assertEquals(Math.round(-9007199254740991.0d), -9007199254740991l); // -(2^53 - 1)
Assert.assertEquals(Math.round(Double.NaN), (long)+0.0d);
Assert.assertEquals(Math.round(Long.MAX_VALUE + 1.0d), Long.MAX_VALUE);
Assert.assertEquals(Math.round(Long.MIN_VALUE - 1.0d), Long.MIN_VALUE);
Assert.assertEquals(Math.round(Double.longBitsToDouble(0x43F0000000000000l)),
Long.MAX_VALUE); // 2^64
Assert.assertEquals(Math.round(Double.longBitsToDouble(0xC3F0000000000000l)),
Long.MIN_VALUE); // -2^64
Assert.assertEquals(Math.round(Double.POSITIVE_INFINITY), Long.MAX_VALUE);
Assert.assertEquals(Math.round(Double.NEGATIVE_INFINITY), Long.MIN_VALUE);
}
public static void test_Math_round_F() {
Math.round(2.1f);
Assert.assertEquals(Math.round(+0.0f), (int)+0.0);
Assert.assertEquals(Math.round(-0.0f), (int)+0.0);
Assert.assertEquals(Math.round(2.0f), 2);
Assert.assertEquals(Math.round(2.1f), 2);
Assert.assertEquals(Math.round(2.5f), 3);
Assert.assertEquals(Math.round(2.9f), 3);
Assert.assertEquals(Math.round(3.0f), 3);
Assert.assertEquals(Math.round(-2.0f), -2);
Assert.assertEquals(Math.round(-2.1f), -2);
Assert.assertEquals(Math.round(-2.5f), -2);
Assert.assertEquals(Math.round(-2.9f), -3);
Assert.assertEquals(Math.round(-3.0f), -3);
// 0.4999999701976776123046875
Assert.assertEquals(Math.round(Float.intBitsToFloat(0x3EFFFFFF)), (int)+0.0f);
Assert.assertEquals(Math.round(8388607.0f), 8388607); // 2^23 - 1
Assert.assertEquals(Math.round(8388607.5f), 8388608); // 2^23 - 0.5
Assert.assertEquals(Math.round(8388608.0f), 8388608); // 2^23
Assert.assertEquals(Math.round(-8388607.0f), -8388607); // -(2^23 - 1)
Assert.assertEquals(Math.round(-8388607.5f), -8388607); // -(2^23 - 0.5)
Assert.assertEquals(Math.round(-8388608.0f), -8388608); // -2^23
Assert.assertEquals(Math.round(16777215.0f), 16777215); // 2^24 - 1
Assert.assertEquals(Math.round(16777216.0f), 16777216); // 2^24
Assert.assertEquals(Math.round(-16777215.0f), -16777215); // -(2^24 - 1)
Assert.assertEquals(Math.round(-16777216.0f), -16777216); // -2^24
Assert.assertEquals(Math.round(Float.NaN), (int)+0.0f);
Assert.assertEquals(Math.round(Integer.MAX_VALUE + 1.0f), Integer.MAX_VALUE);
Assert.assertEquals(Math.round(Integer.MIN_VALUE - 1.0f), Integer.MIN_VALUE);
Assert.assertEquals(Math.round(Float.intBitsToFloat(0x4F800000)),
Integer.MAX_VALUE); // 2^32
Assert.assertEquals(Math.round(Float.intBitsToFloat(0xCF800000)),
Integer.MIN_VALUE); // -2^32
Assert.assertEquals(Math.round(Float.POSITIVE_INFINITY), Integer.MAX_VALUE);
Assert.assertEquals(Math.round(Float.NEGATIVE_INFINITY), Integer.MIN_VALUE);
}
public static void test_Math_isNaN_D() {
// Quiet NaN.
Assert.assertTrue(Double.isNaN(Double.longBitsToDouble(0x7FF4000000000000l)));
Assert.assertTrue(Double.isNaN(Double.longBitsToDouble(0xFFF4000000000000l)));
// Signaling NaN.
Assert.assertTrue(Double.isNaN(Double.longBitsToDouble(0x7FF8000000000000l)));
Assert.assertTrue(Double.isNaN(Double.longBitsToDouble(0xFFF8000000000000l)));
// Distinct from +/- infinity.
Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0x7FF0000000000000l)));
Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0xFFF0000000000000l)));
// Distinct from normal numbers.
Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0x7FE0000000000000l)));
Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0xFFE0000000000000l)));
Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0x0010000000000000l)));
Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0x8010000000000000l)));
// Distinct from +/- zero.
Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0x0000000000000000l)));
Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0x8000000000000000l)));
// Distinct from subnormal numbers.
Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0x0008000000000000l)));
Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0x8008000000000000l)));
Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0x0000000000000001l)));
Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0x8000000000000001l)));
}
public static void test_Math_isNaN_F() {
// Quiet NaN.
Assert.assertTrue(Float.isNaN(Float.intBitsToFloat(0x7FA00000)));
Assert.assertTrue(Float.isNaN(Float.intBitsToFloat(0xFFA00000)));
// Signaling NaN.
Assert.assertTrue(Float.isNaN(Float.intBitsToFloat(0x7FC00000)));
Assert.assertTrue(Float.isNaN(Float.intBitsToFloat(0xFFC00000)));
// Distinct from +/- infinity.
Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0x7F800000)));
Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0xFF800000)));
// Distinct from normal numbers.
Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0x7F000000)));
Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0xFF000000)));
Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0x00800000)));
Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0x80800000)));
// Distinct from +/- zero.
Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0x00000000)));
Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0x80000000)));
// Distinct from subnormal numbers.
Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0x00400000)));
Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0x80400000)));
Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0x00000001)));
Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0x80000001)));
}
public static void test_Math_isInfinite_D() {
// Distinct from Quiet NaN.
Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x7FF4000000000000l)));
Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0xFFF4000000000000l)));
// Distinct from Signaling NaN.
Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x7FF8000000000000l)));
Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0xFFF8000000000000l)));
// +/- infinity.
Assert.assertTrue(Double.isInfinite(Double.longBitsToDouble(0x7FF0000000000000l)));
Assert.assertTrue(Double.isInfinite(Double.longBitsToDouble(0xFFF0000000000000l)));
// Distinct from normal numbers.
Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x7FE0000000000000l)));
Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0xFFE0000000000000l)));
Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x0010000000000000l)));
Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x8010000000000000l)));
// Distinct from +/- zero.
Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x0000000000000000l)));
Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x8000000000000000l)));
// Distinct from subnormal numbers.
Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x0008000000000000l)));
Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x8008000000000000l)));
Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x0000000000000001l)));
Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x8000000000000001l)));
}
public static void test_Math_isInfinite_F() {
// Distinct from Quiet NaN.
Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x7FA00000)));
Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0xFFA00000)));
// Distinct from Signaling NaN.
Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x7FC00000)));
Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0xFFC00000)));
// +/- infinity.
Assert.assertTrue(Float.isInfinite(Float.intBitsToFloat(0x7F800000)));
Assert.assertTrue(Float.isInfinite(Float.intBitsToFloat(0xFF800000)));
// Distinct from normal numbers.
Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x7F000000)));
Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0xFF000000)));
Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x00800000)));
Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x80800000)));
// Distinct from +/- zero.
Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x00000000)));
Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x80000000)));
// Distinct from subnormal numbers.
Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x00400000)));
Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x80400000)));
Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x00000001)));
Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x80000001)));
}
public static void test_Math_multiplyHigh() {
Math.multiplyHigh(2L, 3L);
Assert.assertEquals(Math.multiplyHigh(2L, 3L), 0L);
Assert.assertEquals(Math.multiplyHigh(Long.MAX_VALUE, Long.MAX_VALUE), 4611686018427387903L);
}
public static void test_Math_fma_D() {
final double MAX_D = Double.MAX_VALUE;
final double MIN_D = Double.MIN_VALUE;
Math.fma(3.0, 4.0, 5.0);
Assert.assertEquals(Double.compare(Math.fma(3.0, 4.0, 5.0), 17.0), 0);
Assert.assertEquals(Double.compare(Math.fma(MAX_D, MIN_D, 1.0), 1.0000000000000009), 0);
Assert.assertEquals(Double.compare(Math.fma(MAX_D, MIN_D, 0.0), 8.881784197001251E-16), 0);
}
public static void test_Math_fma_F() {
final float MAX_F = Float.MAX_VALUE;
final float MIN_F = Float.MIN_VALUE;
Math.fma(3.0f, 4.0f, 5.0f);
Assert.assertEquals(Float.compare(Math.fma(3.0f, 4.0f, 5.0f), 17.0f), 0);
Assert.assertEquals(Float.compare(Math.fma(MAX_F, MIN_F, 1.0f), 1.0000005f), 0);
Assert.assertEquals(Float.compare(Math.fma(MAX_F, MIN_F, 0.0f), 4.7683712978141557E-7f), 0);
}
public static void test_StrictMath_abs_I() {
StrictMath.abs(-1);
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() {
StrictMath.abs(-1L);
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_I() {
StrictMath.min(1, 0);
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_I() {
StrictMath.max(1, 0);
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_StrictMath_min_J() {
StrictMath.min(1L, 0L);
Assert.assertEquals(StrictMath.min(0L, 0L), 0L);
Assert.assertEquals(StrictMath.min(1L, 0L), 0L);
Assert.assertEquals(StrictMath.min(0L, 1L), 0L);
Assert.assertEquals(StrictMath.min(0L, Long.MAX_VALUE), 0L);
Assert.assertEquals(StrictMath.min(Long.MIN_VALUE, 0L), Long.MIN_VALUE);
Assert.assertEquals(StrictMath.min(Long.MIN_VALUE, Long.MAX_VALUE), Long.MIN_VALUE);
}
public static void test_StrictMath_max_J() {
StrictMath.max(1L, 0L);
Assert.assertEquals(StrictMath.max(0L, 0L), 0L);
Assert.assertEquals(StrictMath.max(1L, 0L), 1L);
Assert.assertEquals(StrictMath.max(0L, 1L), 1L);
Assert.assertEquals(StrictMath.max(0L, Long.MAX_VALUE), Long.MAX_VALUE);
Assert.assertEquals(StrictMath.max(Long.MIN_VALUE, 0L), 0L);
Assert.assertEquals(StrictMath.max(Long.MIN_VALUE, Long.MAX_VALUE), Long.MAX_VALUE);
}
public static void test_StrictMath_min_F() {
StrictMath.min(1.0f, Float.NaN);
Assert.assertTrue(Float.isNaN(StrictMath.min(1.0f, Float.NaN)));
Assert.assertTrue(Float.isNaN(StrictMath.min(Float.NaN, 1.0f)));
Assert.assertEquals(StrictMath.min(-0.0f, 0.0f), -0.0f);
Assert.assertEquals(StrictMath.min(0.0f, -0.0f), -0.0f);
Assert.assertEquals(StrictMath.min(-0.0f, -0.0f), -0.0f);
Assert.assertEquals(StrictMath.min(0.0f, 0.0f), 0.0f);
Assert.assertEquals(StrictMath.min(1.0f, 0.0f), 0.0f);
Assert.assertEquals(StrictMath.min(0.0f, 1.0f), 0.0f);
Assert.assertEquals(StrictMath.min(0.0f, Float.MAX_VALUE), 0.0f);
Assert.assertEquals(StrictMath.min(Float.MIN_VALUE, 0.0f), 0.0f);
Assert.assertEquals(StrictMath.min(Float.MIN_VALUE, Float.MAX_VALUE), Float.MIN_VALUE);
}
public static void test_StrictMath_max_F() {
StrictMath.max(1.0f, Float.NaN);
Assert.assertTrue(Float.isNaN(StrictMath.max(1.0f, Float.NaN)));
Assert.assertTrue(Float.isNaN(StrictMath.max(Float.NaN, 1.0f)));
Assert.assertEquals(StrictMath.max(-0.0f, 0.0f), 0.0f);
Assert.assertEquals(StrictMath.max(0.0f, -0.0f), 0.0f);
Assert.assertEquals(StrictMath.max(-0.0f, -0.0f), -0.0f);
Assert.assertEquals(StrictMath.max(0.0f, 0.0f), 0.0f);
Assert.assertEquals(StrictMath.max(1.0f, 0.0f), 1.0f);
Assert.assertEquals(StrictMath.max(0.0f, 1.0f), 1.0f);
Assert.assertEquals(StrictMath.max(0.0f, Float.MAX_VALUE), Float.MAX_VALUE);
Assert.assertEquals(StrictMath.max(Float.MIN_VALUE, 0.0f), Float.MIN_VALUE);
Assert.assertEquals(StrictMath.max(Float.MIN_VALUE, Float.MAX_VALUE), Float.MAX_VALUE);
}
public static void test_StrictMath_min_D() {
StrictMath.min(1.0d, Double.NaN);
Assert.assertTrue(Double.isNaN(StrictMath.min(1.0d, Double.NaN)));
Assert.assertTrue(Double.isNaN(StrictMath.min(Double.NaN, 1.0d)));
Assert.assertEquals(StrictMath.min(-0.0d, 0.0d), -0.0d);
Assert.assertEquals(StrictMath.min(0.0d, -0.0d), -0.0d);
Assert.assertEquals(StrictMath.min(-0.0d, -0.0d), -0.0d);
Assert.assertEquals(StrictMath.min(0.0d, 0.0d), 0.0d);
Assert.assertEquals(StrictMath.min(1.0d, 0.0d), 0.0d);
Assert.assertEquals(StrictMath.min(0.0d, 1.0d), 0.0d);
Assert.assertEquals(StrictMath.min(0.0d, Double.MAX_VALUE), 0.0d);
Assert.assertEquals(StrictMath.min(Double.MIN_VALUE, 0.0d), 0.0d);
Assert.assertEquals(StrictMath.min(Double.MIN_VALUE, Double.MAX_VALUE), Double.MIN_VALUE);
}
public static void test_StrictMath_max_D() {
StrictMath.max(1.0d, Double.NaN);
Assert.assertTrue(Double.isNaN(StrictMath.max(1.0d, Double.NaN)));
Assert.assertTrue(Double.isNaN(StrictMath.max(Double.NaN, 1.0d)));
Assert.assertEquals(StrictMath.max(-0.0d, 0.0d), 0.0d);
Assert.assertEquals(StrictMath.max(0.0d, -0.0d), 0.0d);
Assert.assertEquals(StrictMath.max(-0.0d, -0.0d), -0.0d);
Assert.assertEquals(StrictMath.max(0.0d, 0.0d), 0.0d);
Assert.assertEquals(StrictMath.max(1.0d, 0.0d), 1.0d);
Assert.assertEquals(StrictMath.max(0.0d, 1.0d), 1.0d);
Assert.assertEquals(StrictMath.max(0.0d, Double.MAX_VALUE), Double.MAX_VALUE);
Assert.assertEquals(StrictMath.max(Double.MIN_VALUE, 0.0d), Double.MIN_VALUE);
Assert.assertEquals(StrictMath.max(Double.MIN_VALUE, Double.MAX_VALUE), Double.MAX_VALUE);
}
public static void test_StrictMath_sqrt() {
StrictMath.sqrt(+4.0);
Assert.assertEquals(StrictMath.sqrt(+4.0), +2.0d, 0.0);
Assert.assertEquals(StrictMath.sqrt(+49.0), +7.0d, 0.0);
Assert.assertEquals(StrictMath.sqrt(+1.44), +1.2d, 0.0);
}
public static void test_StrictMath_ceil() {
StrictMath.ceil(-0.9);
Assert.assertEquals(StrictMath.ceil(+0.0), +0.0d, 0.0);
Assert.assertEquals(StrictMath.ceil(-0.0), -0.0d, 0.0);
Assert.assertEquals(StrictMath.ceil(-0.9), -0.0d, 0.0);
Assert.assertEquals(StrictMath.ceil(-0.5), -0.0d, 0.0);
Assert.assertEquals(StrictMath.ceil(0.0), -0.0d, 0.0);
Assert.assertEquals(StrictMath.ceil(+2.0), +2.0d, 0.0);
Assert.assertEquals(StrictMath.ceil(+2.1), +3.0d, 0.0);
Assert.assertEquals(StrictMath.ceil(+2.5), +3.0d, 0.0);
Assert.assertEquals(StrictMath.ceil(+2.9), +3.0d, 0.0);
Assert.assertEquals(StrictMath.ceil(+3.0), +3.0d, 0.0);
Assert.assertEquals(StrictMath.ceil(-2.0), -2.0d, 0.0);
Assert.assertEquals(StrictMath.ceil(-2.1), -2.0d, 0.0);
Assert.assertEquals(StrictMath.ceil(-2.5), -2.0d, 0.0);
Assert.assertEquals(StrictMath.ceil(-2.9), -2.0d, 0.0);
Assert.assertEquals(StrictMath.ceil(-3.0), -3.0d, 0.0);
Assert.assertEquals(StrictMath.ceil(Double.NaN), Double.NaN, 0.0);
Assert.assertEquals(StrictMath.ceil(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0);
Assert.assertEquals(StrictMath.ceil(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0);
}
public static void test_StrictMath_floor() {
StrictMath.floor(+2.1);
Assert.assertEquals(StrictMath.floor(+0.0), +0.0d, 0.0);
Assert.assertEquals(StrictMath.floor(-0.0), -0.0d, 0.0);
Assert.assertEquals(StrictMath.floor(+2.0), +2.0d, 0.0);
Assert.assertEquals(StrictMath.floor(+2.1), +2.0d, 0.0);
Assert.assertEquals(StrictMath.floor(+2.5), +2.0d, 0.0);
Assert.assertEquals(StrictMath.floor(+2.9), +2.0d, 0.0);
Assert.assertEquals(StrictMath.floor(+3.0), +3.0d, 0.0);
Assert.assertEquals(StrictMath.floor(-2.0), -2.0d, 0.0);
Assert.assertEquals(StrictMath.floor(-2.1), -3.0d, 0.0);
Assert.assertEquals(StrictMath.floor(-2.5), -3.0d, 0.0);
Assert.assertEquals(StrictMath.floor(-2.9), -3.0d, 0.0);
Assert.assertEquals(StrictMath.floor(-3.0), -3.0d, 0.0);
Assert.assertEquals(StrictMath.floor(Double.NaN), Double.NaN, 0.0);
Assert.assertEquals(StrictMath.floor(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0);
Assert.assertEquals(StrictMath.floor(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0);
}
public static void test_StrictMath_rint() {
StrictMath.rint(+2.1);
Assert.assertEquals(StrictMath.rint(+0.0), +0.0d, 0.0);
Assert.assertEquals(StrictMath.rint(-0.0), -0.0d, 0.0);
Assert.assertEquals(StrictMath.rint(+2.0), +2.0d, 0.0);
Assert.assertEquals(StrictMath.rint(+2.1), +2.0d, 0.0);
Assert.assertEquals(StrictMath.rint(+2.5), +2.0d, 0.0);
Assert.assertEquals(StrictMath.rint(+2.9), +3.0d, 0.0);
Assert.assertEquals(StrictMath.rint(+3.0), +3.0d, 0.0);
Assert.assertEquals(StrictMath.rint(-2.0), -2.0d, 0.0);
Assert.assertEquals(StrictMath.rint(-2.1), -2.0d, 0.0);
Assert.assertEquals(StrictMath.rint(-2.5), -2.0d, 0.0);
Assert.assertEquals(StrictMath.rint(-2.9), -3.0d, 0.0);
Assert.assertEquals(StrictMath.rint(-3.0), -3.0d, 0.0);
Assert.assertEquals(StrictMath.rint(Double.NaN), Double.NaN, 0.0);
Assert.assertEquals(StrictMath.rint(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0);
Assert.assertEquals(StrictMath.rint(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0);
}
public static void test_StrictMath_round_D() {
StrictMath.round(2.1d);
Assert.assertEquals(StrictMath.round(+0.0d), (long)+0.0);
Assert.assertEquals(StrictMath.round(-0.0d), (long)+0.0);
Assert.assertEquals(StrictMath.round(2.0d), 2l);
Assert.assertEquals(StrictMath.round(2.1d), 2l);
Assert.assertEquals(StrictMath.round(2.5d), 3l);
Assert.assertEquals(StrictMath.round(2.9d), 3l);
Assert.assertEquals(StrictMath.round(3.0d), 3l);
Assert.assertEquals(StrictMath.round(-2.0d), -2l);
Assert.assertEquals(StrictMath.round(-2.1d), -2l);
Assert.assertEquals(StrictMath.round(-2.5d), -2l);
Assert.assertEquals(StrictMath.round(-2.9d), -3l);
Assert.assertEquals(StrictMath.round(-3.0d), -3l);
Assert.assertEquals(StrictMath.round(0.49999999999999994d), 0l);
Assert.assertEquals(StrictMath.round(4503599627370495.0d), 4503599627370495l); // 2^52 - 1
Assert.assertEquals(StrictMath.round(4503599627370495.5d), 4503599627370496l); // 2^52 - 0.5
Assert.assertEquals(StrictMath.round(4503599627370496.0d), 4503599627370496l); // 2^52
Assert.assertEquals(StrictMath.round(-4503599627370495.0d), -4503599627370495l); // -(2^52 - 1)
Assert.assertEquals(StrictMath.round(-4503599627370495.5d), -4503599627370495l); // -(2^52 - 0.5)
Assert.assertEquals(StrictMath.round(-4503599627370496.0d), -4503599627370496l); // -2^52
Assert.assertEquals(StrictMath.round(9007199254740991.0d), 9007199254740991l); // 2^53 - 1
Assert.assertEquals(StrictMath.round(-9007199254740991.0d), -9007199254740991l); // -(2^53 - 1)
Assert.assertEquals(StrictMath.round(Double.NaN), (long)+0.0d);
Assert.assertEquals(StrictMath.round(Long.MAX_VALUE + 1.0d), Long.MAX_VALUE);
Assert.assertEquals(StrictMath.round(Long.MIN_VALUE - 1.0d), Long.MIN_VALUE);
Assert.assertEquals(StrictMath.round(Double.longBitsToDouble(0x43F0000000000000l)),
Long.MAX_VALUE); // 2^64
Assert.assertEquals(StrictMath.round(Double.longBitsToDouble(0xC3F0000000000000l)),
Long.MIN_VALUE); // -2^64
Assert.assertEquals(StrictMath.round(Double.POSITIVE_INFINITY), Long.MAX_VALUE);
Assert.assertEquals(StrictMath.round(Double.NEGATIVE_INFINITY), Long.MIN_VALUE);
}
public static void test_StrictMath_round_F() {
StrictMath.round(2.1f);
Assert.assertEquals(StrictMath.round(+0.0f), (int)+0.0);
Assert.assertEquals(StrictMath.round(-0.0f), (int)+0.0);
Assert.assertEquals(StrictMath.round(2.0f), 2);
Assert.assertEquals(StrictMath.round(2.1f), 2);
Assert.assertEquals(StrictMath.round(2.5f), 3);
Assert.assertEquals(StrictMath.round(2.9f), 3);
Assert.assertEquals(StrictMath.round(3.0f), 3);
Assert.assertEquals(StrictMath.round(-2.0f), -2);
Assert.assertEquals(StrictMath.round(-2.1f), -2);
Assert.assertEquals(StrictMath.round(-2.5f), -2);
Assert.assertEquals(StrictMath.round(-2.9f), -3);
Assert.assertEquals(StrictMath.round(-3.0f), -3);
// 0.4999999701976776123046875
Assert.assertEquals(StrictMath.round(Float.intBitsToFloat(0x3EFFFFFF)), (int)+0.0f);
Assert.assertEquals(StrictMath.round(8388607.0f), 8388607); // 2^23 - 1
Assert.assertEquals(StrictMath.round(8388607.5f), 8388608); // 2^23 - 0.5
Assert.assertEquals(StrictMath.round(8388608.0f), 8388608); // 2^23
Assert.assertEquals(StrictMath.round(-8388607.0f), -8388607); // -(2^23 - 1)
Assert.assertEquals(StrictMath.round(-8388607.5f), -8388607); // -(2^23 - 0.5)
Assert.assertEquals(StrictMath.round(-8388608.0f), -8388608); // -2^23
Assert.assertEquals(StrictMath.round(16777215.0f), 16777215); // 2^24 - 1
Assert.assertEquals(StrictMath.round(16777216.0f), 16777216); // 2^24
Assert.assertEquals(StrictMath.round(-16777215.0f), -16777215); // -(2^24 - 1)
Assert.assertEquals(StrictMath.round(-16777216.0f), -16777216); // -2^24
Assert.assertEquals(StrictMath.round(Float.NaN), (int)+0.0f);
Assert.assertEquals(StrictMath.round(Integer.MAX_VALUE + 1.0f), Integer.MAX_VALUE);
Assert.assertEquals(StrictMath.round(Integer.MIN_VALUE - 1.0f), Integer.MIN_VALUE);
Assert.assertEquals(StrictMath.round(Float.intBitsToFloat(0x4F800000)),
Integer.MAX_VALUE); // 2^32
Assert.assertEquals(StrictMath.round(Float.intBitsToFloat(0xCF800000)),
Integer.MIN_VALUE); // -2^32
Assert.assertEquals(StrictMath.round(Float.POSITIVE_INFINITY), Integer.MAX_VALUE);
Assert.assertEquals(StrictMath.round(Float.NEGATIVE_INFINITY), Integer.MIN_VALUE);
}
public static void test_Float_floatToRawIntBits() {
Float.floatToRawIntBits(-1.0f);
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() {
Float.intBitsToFloat(0xbf800000);
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() {
Double.doubleToRawLongBits(-1.0);
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() {
Double.longBitsToDouble(0xbff0000000000000L);
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);
}
public static void test_Short_reverseBytes() {
Short.reverseBytes((short)0x1357);
Assert.assertEquals(Short.reverseBytes((short)0x0000), (short)0x0000);
Assert.assertEquals(Short.reverseBytes((short)0xffff), (short)0xffff);
Assert.assertEquals(Short.reverseBytes((short)0x8000), (short)0x0080);
Assert.assertEquals(Short.reverseBytes((short)0x0080), (short)0x8000);
Assert.assertEquals(Short.reverseBytes((short)0x0123), (short)0x2301);
Assert.assertEquals(Short.reverseBytes((short)0x4567), (short)0x6745);
Assert.assertEquals(Short.reverseBytes((short)0x89ab), (short)0xab89);
Assert.assertEquals(Short.reverseBytes((short)0xcdef), (short)0xefcd);
}
public static void test_Integer_reverseBytes() {
Integer.reverseBytes(0x13579bdf);
Assert.assertEquals(Integer.reverseBytes(0x00000000), 0x00000000);
Assert.assertEquals(Integer.reverseBytes(0xffffffff), 0xffffffff);
Assert.assertEquals(Integer.reverseBytes(0x80000000), 0x00000080);
Assert.assertEquals(Integer.reverseBytes(0x00000080), 0x80000000);
Assert.assertEquals(Integer.reverseBytes(0x01234567), 0x67452301);
Assert.assertEquals(Integer.reverseBytes(0x89abcdef), 0xefcdab89);
}
public static void test_Long_reverseBytes() {
Long.reverseBytes(0x13579bdf2468ace0L);
Assert.assertEquals(Long.reverseBytes(0x0000000000000000L), 0x0000000000000000L);
Assert.assertEquals(Long.reverseBytes(0xffffffffffffffffL), 0xffffffffffffffffL);
Assert.assertEquals(Long.reverseBytes(0x8000000000000000L), 0x0000000000000080L);
Assert.assertEquals(Long.reverseBytes(0x0000000000000080L), 0x8000000000000000L);
Assert.assertEquals(Long.reverseBytes(0x0123456789abcdefL), 0xefcdab8967452301L);
}
public static void test_Integer_reverse() {
Integer.reverse(0x12345678);
Assert.assertEquals(Integer.reverse(1), 0x80000000);
Assert.assertEquals(Integer.reverse(-1), 0xffffffff);
Assert.assertEquals(Integer.reverse(0), 0);
Assert.assertEquals(Integer.reverse(0x12345678), 0x1e6a2c48);
Assert.assertEquals(Integer.reverse(0x87654321), 0x84c2a6e1);
Assert.assertEquals(Integer.reverse(Integer.MAX_VALUE), 0xfffffffe);
Assert.assertEquals(Integer.reverse(Integer.MIN_VALUE), 1);
}
public static void test_Long_reverse() {
Long.reverse(0x1234567812345678L);
Assert.assertEquals(Long.reverse(1L), 0x8000000000000000L);
Assert.assertEquals(Long.reverse(-1L), 0xffffffffffffffffL);
Assert.assertEquals(Long.reverse(0L), 0L);
Assert.assertEquals(Long.reverse(0x1234567812345678L), 0x1e6a2c481e6a2c48L);
Assert.assertEquals(Long.reverse(0x8765432187654321L), 0x84c2a6e184c2a6e1L);
Assert.assertEquals(Long.reverse(Long.MAX_VALUE), 0xfffffffffffffffeL);
Assert.assertEquals(Long.reverse(Long.MIN_VALUE), 1L);
Assert.assertEquals(test_Long_reverse_b22324327(0xaaaaaaaaaaaaaaaaL, 0x5555555555555555L),
157472205507277347L);
}
// A bit more complicated than the above. Use local variables to stress register allocation.
private static long test_Long_reverse_b22324327(long l1, long l2) {
// A couple of local integers. Use them in a loop, so they get promoted.
int i1 = 0, i2 = 1, i3 = 2, i4 = 3, i5 = 4, i6 = 5, i7 = 6, i8 = 7;
for (int k = 0; k < 10; k++) {
i1 += 1;
i2 += 2;
i3 += 3;
i4 += 4;
i5 += 5;
i6 += 6;
i7 += 7;
i8 += 8;
}
// Do the Long.reverse() calls, save the results.
long r1 = Long.reverse(l1);
long r2 = Long.reverse(l2);
// Some more looping with the ints.
for (int k = 0; k < 10; k++) {
i1 += 1;
i2 += 2;
i3 += 3;
i4 += 4;
i5 += 5;
i6 += 6;
i7 += 7;
i8 += 8;
}
// Include everything in the result, so things are kept live. Try to be a little bit clever to
// avoid things being folded somewhere.
return (r1 / i1) + (r2 / i2) + i3 + i4 + i5 + i6 + i7 + i8;
}
public static boolean doThrow = false;
public static int $noinline$return_int_zero() {
if (doThrow) {
throw new Error();
}
return 0;
}
public static void test_Integer_divideUnsigned() {
Assert.assertEquals(Integer.divideUnsigned(100, 10), 10);
Assert.assertEquals(Integer.divideUnsigned(100, 1), 100);
Assert.assertEquals(Integer.divideUnsigned(1024, 128), 8);
Assert.assertEquals(Integer.divideUnsigned(12345678, 264), 46763);
Assert.assertEquals(Integer.divideUnsigned(13, 5), 2);
Assert.assertEquals(Integer.divideUnsigned(-2, 2), Integer.MAX_VALUE);
Assert.assertEquals(Integer.divideUnsigned(-1, 2), Integer.MAX_VALUE);
Assert.assertEquals(Integer.divideUnsigned(100000, -1), 0);
Assert.assertEquals(Integer.divideUnsigned(Integer.MAX_VALUE, -1), 0);
Assert.assertEquals(Integer.divideUnsigned(-2, -1), 0);
Assert.assertEquals(Integer.divideUnsigned(-1, -2), 1);
Assert.assertEquals(Integer.divideUnsigned(-173448, 13), 330368757);
Assert.assertEquals(Integer.divideUnsigned(Integer.MIN_VALUE, 2), (1 << 30));
Assert.assertEquals(Integer.divideUnsigned(-1, Integer.MIN_VALUE), 1);
Assert.assertEquals(Integer.divideUnsigned(Integer.MAX_VALUE, Integer.MIN_VALUE), 0);
Assert.assertEquals(Integer.divideUnsigned(Integer.MIN_VALUE, Integer.MAX_VALUE), 1);
try {
Integer.divideUnsigned(1, 0);
Assert.fail("Unreachable");
} catch (ArithmeticException expected) {
}
}
private static final long BIG_LONG_VALUE = 739287620162442240L;
public static void test_Long_divideUnsigned() {
Assert.assertEquals(Long.divideUnsigned(100L, 10L), 10L);
Assert.assertEquals(Long.divideUnsigned(100L, 1L), 100L);
Assert.assertEquals(Long.divideUnsigned(1024L, 128L), 8L);
Assert.assertEquals(Long.divideUnsigned(12345678L, 264L), 46763L);
Assert.assertEquals(Long.divideUnsigned(13L, 5L), 2L);
Assert.assertEquals(Long.divideUnsigned(-2L, 2L), Long.MAX_VALUE);
Assert.assertEquals(Long.divideUnsigned(-1L, 2L), Long.MAX_VALUE);
Assert.assertEquals(Long.divideUnsigned(100000L, -1L), 0L);
Assert.assertEquals(Long.divideUnsigned(Long.MAX_VALUE, -1L), 0L);
Assert.assertEquals(Long.divideUnsigned(-2L, -1L), 0L);
Assert.assertEquals(Long.divideUnsigned(-1L, -2L), 1L);
Assert.assertEquals(Long.divideUnsigned(-173448L, 13L), 1418980313362259859L);
Assert.assertEquals(Long.divideUnsigned(Long.MIN_VALUE, 2L), (1L << 62));
Assert.assertEquals(Long.divideUnsigned(-1L, Long.MIN_VALUE), 1L);
Assert.assertEquals(Long.divideUnsigned(Long.MAX_VALUE, Long.MIN_VALUE), 0L);
Assert.assertEquals(Long.divideUnsigned(Long.MIN_VALUE, Long.MAX_VALUE), 1L);
Assert.assertEquals(Long.divideUnsigned(Long.MAX_VALUE, 1L), Long.MAX_VALUE);
Assert.assertEquals(Long.divideUnsigned(Long.MIN_VALUE, 1L), Long.MIN_VALUE);
Assert.assertEquals(Long.divideUnsigned(BIG_LONG_VALUE, BIG_LONG_VALUE), 1L);
Assert.assertEquals(Long.divideUnsigned(BIG_LONG_VALUE, 1L), BIG_LONG_VALUE);
Assert.assertEquals(Long.divideUnsigned(BIG_LONG_VALUE, 1024L), 721960566564885L);
Assert.assertEquals(Long.divideUnsigned(BIG_LONG_VALUE, 0x1FFFFFFFFL), 86064406L);
try {
Long.divideUnsigned(1L, 0L);
Assert.fail("Unreachable");
} catch (ArithmeticException expected) {
}
}
public static void test_Integer_numberOfLeadingZeros() {
Assert.assertEquals(Integer.numberOfLeadingZeros(0), Integer.SIZE);
Assert.assertEquals(Integer.numberOfLeadingZeros(1), Integer.SIZE - 1);
Assert.assertEquals(Integer.numberOfLeadingZeros(1 << (Integer.SIZE-1)), 0);
Assert.assertEquals(Integer.numberOfLeadingZeros($noinline$return_int_zero()), Integer.SIZE);
for (int i = 0; i < Integer.SIZE; i++) {
Assert.assertEquals(Integer.numberOfLeadingZeros(1 << i), Integer.SIZE - 1 - i);
Assert.assertEquals(Integer.numberOfLeadingZeros((1 << i) | 1), Integer.SIZE - 1 - i);
Assert.assertEquals(Integer.numberOfLeadingZeros(0xFFFFFFFF >>> i), i);
}
}
public static long $noinline$return_long_zero() {
if (doThrow) {
throw new Error();
}
return 0;
}
public static void test_Long_numberOfLeadingZeros() {
Assert.assertEquals(Long.numberOfLeadingZeros(0L), Long.SIZE);
Assert.assertEquals(Long.numberOfLeadingZeros(1L), Long.SIZE - 1);
Assert.assertEquals(Long.numberOfLeadingZeros(1L << ((Long.SIZE/2)-1)), Long.SIZE/2);
Assert.assertEquals(Long.numberOfLeadingZeros(1L << (Long.SIZE-1)), 0);
Assert.assertEquals(Long.numberOfLeadingZeros($noinline$return_long_zero()), Long.SIZE);
for (int i = 0; i < Long.SIZE; i++) {
Assert.assertEquals(Long.numberOfLeadingZeros(1L << i), Long.SIZE - 1 - i);
Assert.assertEquals(Long.numberOfLeadingZeros((1L << i) | 1L), Long.SIZE - 1 - i);
Assert.assertEquals(Long.numberOfLeadingZeros(0xFFFFFFFFFFFFFFFFL >>> i), i);
}
}
static Object runtime;
static Method address_of;
static Method new_non_movable_array;
static Method peek_byte;
static Method peek_short;
static Method peek_int;
static Method peek_long;
static Method poke_byte;
static Method poke_short;
static Method poke_int;
static Method poke_long;
public static void initSupportMethodsForPeekPoke() throws Exception {
Class<?> vm_runtime = Class.forName("dalvik.system.VMRuntime");
Method get_runtime = vm_runtime.getDeclaredMethod("getRuntime");
runtime = get_runtime.invoke(null);
address_of = vm_runtime.getDeclaredMethod("addressOf", Object.class);
new_non_movable_array = vm_runtime.getDeclaredMethod("newNonMovableArray", Class.class, Integer.TYPE);
Class<?> io_memory = Class.forName("libcore.io.Memory");
peek_byte = io_memory.getDeclaredMethod("peekByte", Long.TYPE);
peek_int = io_memory.getDeclaredMethod("peekInt", Long.TYPE, Boolean.TYPE);
peek_short = io_memory.getDeclaredMethod("peekShort", Long.TYPE, Boolean.TYPE);
peek_long = io_memory.getDeclaredMethod("peekLong", Long.TYPE, Boolean.TYPE);
poke_byte = io_memory.getDeclaredMethod("pokeByte", Long.TYPE, Byte.TYPE);
poke_short = io_memory.getDeclaredMethod("pokeShort", Long.TYPE, Short.TYPE, Boolean.TYPE);
poke_int = io_memory.getDeclaredMethod("pokeInt", Long.TYPE, Integer.TYPE, Boolean.TYPE);
poke_long = io_memory.getDeclaredMethod("pokeLong", Long.TYPE, Long.TYPE, Boolean.TYPE);
}
public static void test_Memory_peekByte() throws Exception {
byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 2);
b[0] = 0x12;
b[1] = 0x11;
long address = (long)address_of.invoke(runtime, b);
Assert.assertEquals((byte)peek_byte.invoke(null, address), 0x12);
Assert.assertEquals((byte)peek_byte.invoke(null, address + 1), 0x11);
}
public static void test_Memory_peekShort() throws Exception {
byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 3);
b[0] = 0x13;
b[1] = 0x12;
b[2] = 0x11;
long address = (long)address_of.invoke(runtime, b);
peek_short.invoke(null, address, false);
Assert.assertEquals((short)peek_short.invoke(null, address, false), 0x1213); // Aligned read
Assert.assertEquals((short)peek_short.invoke(null, address + 1, false), 0x1112); // Unaligned read
}
public static void test_Memory_peekInt() throws Exception {
byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 5);
b[0] = 0x15;
b[1] = 0x14;
b[2] = 0x13;
b[3] = 0x12;
b[4] = 0x11;
long address = (long)address_of.invoke(runtime, b);
peek_int.invoke(null, address, false);
Assert.assertEquals((int)peek_int.invoke(null, address, false), 0x12131415);
Assert.assertEquals((int)peek_int.invoke(null, address + 1, false), 0x11121314);
}
public static void test_Memory_peekLong() throws Exception {
byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 9);
b[0] = 0x19;
b[1] = 0x18;
b[2] = 0x17;
b[3] = 0x16;
b[4] = 0x15;
b[5] = 0x14;
b[6] = 0x13;
b[7] = 0x12;
b[8] = 0x11;
long address = (long)address_of.invoke(runtime, b);
peek_long.invoke(null, address, false);
Assert.assertEquals((long)peek_long.invoke(null, address, false), 0x1213141516171819L);
Assert.assertEquals((long)peek_long.invoke(null, address + 1, false), 0x1112131415161718L);
}
public static void test_Memory_pokeByte() throws Exception {
byte[] r = {0x11, 0x12};
byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 2);
long address = (long)address_of.invoke(runtime, b);
poke_byte.invoke(null, address, (byte)0x11);
poke_byte.invoke(null, address + 1, (byte)0x12);
Assert.assertTrue(Arrays.equals(r, b));
}
public static void test_Memory_pokeShort() throws Exception {
byte[] ra = {0x12, 0x11, 0x13};
byte[] ru = {0x12, 0x22, 0x21};
byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 3);
long address = (long)address_of.invoke(runtime, b);
// Aligned write
b[2] = 0x13;
poke_short.invoke(null, address, (short)0x1112, false);
Assert.assertTrue(Arrays.equals(ra, b));
// Unaligned write
poke_short.invoke(null, address + 1, (short)0x2122, false);
Assert.assertTrue(Arrays.equals(ru, b));
}
public static void test_Memory_pokeInt() throws Exception {
byte[] ra = {0x14, 0x13, 0x12, 0x11, 0x15};
byte[] ru = {0x14, 0x24, 0x23, 0x22, 0x21};
byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 5);
long address = (long)address_of.invoke(runtime, b);
b[4] = 0x15;
poke_int.invoke(null, address, (int)0x11121314, false);
Assert.assertTrue(Arrays.equals(ra, b));
poke_int.invoke(null, address + 1, (int)0x21222324, false);
Assert.assertTrue(Arrays.equals(ru, b));
}
public static void test_Memory_pokeLong() throws Exception {
byte[] ra = {0x18, 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x19};
byte[] ru = {0x18, 0x28, 0x27, 0x26, 0x25, 0x24, 0x23, 0x22, 0x21};
byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 9);
long address = (long)address_of.invoke(runtime, b);
b[8] = 0x19;
poke_long.invoke(null, address, (long)0x1112131415161718L, false);
Assert.assertTrue(Arrays.equals(ra, b));
poke_long.invoke(null, address + 1, (long)0x2122232425262728L, false);
Assert.assertTrue(Arrays.equals(ru, b));
}
public static void test_Integer_numberOfTrailingZeros() {
Assert.assertEquals(Integer.numberOfTrailingZeros(0), Integer.SIZE);
for (int i = 0; i < Integer.SIZE; i++) {
Assert.assertEquals(
Integer.numberOfTrailingZeros(0x80000000 >> i),
Integer.SIZE - 1 - i);
Assert.assertEquals(
Integer.numberOfTrailingZeros((0x80000000 >> i) | 0x80000000),
Integer.SIZE - 1 - i);
Assert.assertEquals(Integer.numberOfTrailingZeros(1 << i), i);
}
}
public static void test_Long_numberOfTrailingZeros() {
Assert.assertEquals(Long.numberOfTrailingZeros(0), Long.SIZE);
for (int i = 0; i < Long.SIZE; i++) {
Assert.assertEquals(
Long.numberOfTrailingZeros(0x8000000000000000L >> i),
Long.SIZE - 1 - i);
Assert.assertEquals(
Long.numberOfTrailingZeros((0x8000000000000000L >> i) | 0x8000000000000000L),
Long.SIZE - 1 - i);
Assert.assertEquals(Long.numberOfTrailingZeros(1L << i), i);
}
}
public static void test_Integer_rotateRight() throws Exception {
Assert.assertEquals(Integer.rotateRight(0x11, 0), 0x11);
Assert.assertEquals(Integer.rotateRight(0x11, 1), 0x80000008);
Assert.assertEquals(Integer.rotateRight(0x11, Integer.SIZE - 1), 0x22);
Assert.assertEquals(Integer.rotateRight(0x11, Integer.SIZE), 0x11);
Assert.assertEquals(Integer.rotateRight(0x11, Integer.SIZE + 1), 0x80000008);
Assert.assertEquals(Integer.rotateRight(0x11, -1), 0x22);
Assert.assertEquals(Integer.rotateRight(0x11, -(Integer.SIZE - 1)), 0x80000008);
Assert.assertEquals(Integer.rotateRight(0x11, -Integer.SIZE), 0x11);
Assert.assertEquals(Integer.rotateRight(0x11, -(Integer.SIZE + 1)), 0x22);
Assert.assertEquals(Integer.rotateRight(0x80000000, 1), 0x40000000);
for (int i = 0; i < Integer.SIZE; i++) {
Assert.assertEquals(
Integer.rotateRight(0xBBAAAADD, i),
(0xBBAAAADD >>> i) | (0xBBAAAADD << (Integer.SIZE - i)));
}
}
public static void test_Long_rotateRight() throws Exception {
Assert.assertEquals(Long.rotateRight(0x11, 0), 0x11);
Assert.assertEquals(Long.rotateRight(0x11, 1), 0x8000000000000008L);
Assert.assertEquals(Long.rotateRight(0x11, Long.SIZE - 1), 0x22);
Assert.assertEquals(Long.rotateRight(0x11, Long.SIZE), 0x11);
Assert.assertEquals(Long.rotateRight(0x11, Long.SIZE + 1), 0x8000000000000008L);
Assert.assertEquals(Long.rotateRight(0x11, -1), 0x22);
Assert.assertEquals(Long.rotateRight(0x11, -(Long.SIZE - 1)), 0x8000000000000008L);
Assert.assertEquals(Long.rotateRight(0x11, -Long.SIZE), 0x11);
Assert.assertEquals(Long.rotateRight(0x11, -(Long.SIZE + 1)), 0x22);
Assert.assertEquals(Long.rotateRight(0x8000000000000000L, 1), 0x4000000000000000L);
for (int i = 0; i < Long.SIZE; i++) {
Assert.assertEquals(
Long.rotateRight(0xBBAAAADDFF0000DDL, i),
(0xBBAAAADDFF0000DDL >>> i) | (0xBBAAAADDFF0000DDL << (Long.SIZE - i)));
}
}
public static void test_Integer_rotateLeft() throws Exception {
Assert.assertEquals(Integer.rotateLeft(0x11, 0), 0x11);
Assert.assertEquals(Integer.rotateLeft(0x11, 1), 0x22);
Assert.assertEquals(Integer.rotateLeft(0x11, Integer.SIZE - 1), 0x80000008);
Assert.assertEquals(Integer.rotateLeft(0x11, Integer.SIZE), 0x11);
Assert.assertEquals(Integer.rotateLeft(0x11, Integer.SIZE + 1), 0x22);
Assert.assertEquals(Integer.rotateLeft(0x11, -1), 0x80000008);
Assert.assertEquals(Integer.rotateLeft(0x11, -(Integer.SIZE - 1)), 0x22);
Assert.assertEquals(Integer.rotateLeft(0x11, -Integer.SIZE), 0x11);
Assert.assertEquals(Integer.rotateLeft(0x11, -(Integer.SIZE + 1)), 0x80000008);
Assert.assertEquals(Integer.rotateLeft(0xC0000000, 1), 0x80000001);
for (int i = 0; i < Integer.SIZE; i++) {
Assert.assertEquals(
Integer.rotateLeft(0xBBAAAADD, i),
(0xBBAAAADD << i) | (0xBBAAAADD >>> (Integer.SIZE - i)));
}
}
public static void test_Long_rotateLeft() throws Exception {
Assert.assertEquals(Long.rotateLeft(0x11, 0), 0x11);
Assert.assertEquals(Long.rotateLeft(0x11, 1), 0x22);
Assert.assertEquals(Long.rotateLeft(0x11, Long.SIZE - 1), 0x8000000000000008L);
Assert.assertEquals(Long.rotateLeft(0x11, Long.SIZE), 0x11);
Assert.assertEquals(Long.rotateLeft(0x11, Long.SIZE + 1), 0x22);
Assert.assertEquals(Long.rotateLeft(0x11, -1), 0x8000000000000008L);
Assert.assertEquals(Long.rotateLeft(0x11, -(Long.SIZE - 1)), 0x22);
Assert.assertEquals(Long.rotateLeft(0x11, -Long.SIZE), 0x11);
Assert.assertEquals(Long.rotateLeft(0x11, -(Long.SIZE + 1)), 0x8000000000000008L);
Assert.assertEquals(Long.rotateLeft(0xC000000000000000L, 1), 0x8000000000000001L);
for (int i = 0; i < Long.SIZE; i++) {
Assert.assertEquals(
Long.rotateLeft(0xBBAAAADDFF0000DDL, i),
(0xBBAAAADDFF0000DDL << i) | (0xBBAAAADDFF0000DDL >>> (Long.SIZE - i)));
}
}
public static void test_Integer_rotateRightLeft() throws Exception {
for (int i = 0; i < Integer.SIZE * 2; i++) {
Assert.assertEquals(Integer.rotateLeft(0xBBAAAADD, i),
Integer.rotateRight(0xBBAAAADD, -i));
Assert.assertEquals(Integer.rotateLeft(0xBBAAAADD, -i),
Integer.rotateRight(0xBBAAAADD, i));
}
}
public static void test_Long_rotateRightLeft() throws Exception {
for (int i = 0; i < Long.SIZE * 2; i++) {
Assert.assertEquals(Long.rotateLeft(0xBBAAAADDFF0000DDL, i),
Long.rotateRight(0xBBAAAADDFF0000DDL, -i));
Assert.assertEquals(Long.rotateLeft(0xBBAAAADDFF0000DDL, -i),
Long.rotateRight(0xBBAAAADDFF0000DDL, i));
}
}
}