| /* |
| * 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_Short_reverseBytes(); |
| test_Integer_reverseBytes(); |
| test_Long_reverseBytes(); |
| test_Integer_reverse(); |
| test_Long_reverse(); |
| 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_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(); |
| } |
| |
| /** |
| * 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) { |
| } |
| } |
| |
| 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) { |
| } |
| } |
| |
| 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"; |
| |
| 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(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); |
| |
| 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_I() { |
| 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() { |
| 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() { |
| 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() { |
| 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() { |
| 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); |
| } |
| |
| public static void test_Math_max_F() { |
| 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, 0.0f), Float.MIN_VALUE); |
| Assert.assertEquals(Math.max(Float.MIN_VALUE, Float.MAX_VALUE), Float.MAX_VALUE); |
| } |
| |
| public static void test_Math_min_D() { |
| 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); |
| } |
| |
| public static void test_Math_max_D() { |
| 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); |
| } |
| |
| 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_I() { |
| 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() { |
| 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() { |
| 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() { |
| 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() { |
| 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() { |
| 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() { |
| 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() { |
| 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_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); |
| } |
| |
| public static void test_Short_reverseBytes() { |
| 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() { |
| 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() { |
| 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() { |
| 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() { |
| 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); |
| } |
| |
| 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); |
| 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); |
| 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); |
| 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)); |
| } |
| } |