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jeffhao5d1ac922011-09-29 17:41:15 -07001/*
2 * Copyright (C) 2007 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
jeffhao5d1ac922011-09-29 17:41:15 -070017import junit.framework.Assert;
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +070018import java.util.Arrays;
19import java.lang.reflect.Method;
jeffhao5d1ac922011-09-29 17:41:15 -070020
21public class Main {
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +070022 public static void main(String args[]) throws Exception {
Elliott Hughes28c384b2012-06-15 16:46:25 -070023 test_Double_doubleToRawLongBits();
24 test_Double_longBitsToDouble();
25 test_Float_floatToRawIntBits();
26 test_Float_intBitsToFloat();
27 test_Math_abs_I();
28 test_Math_abs_J();
Serban Constantinescu23abec92014-07-02 16:13:38 +010029 test_Math_min_I();
30 test_Math_max_I();
31 test_Math_min_J();
32 test_Math_max_J();
33 test_Math_min_F();
34 test_Math_max_F();
35 test_Math_min_D();
36 test_Math_max_D();
Chao-ying Fuff87d7b2015-01-19 15:51:57 -080037 test_Math_sqrt();
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +010038 test_Math_ceil();
39 test_Math_floor();
40 test_Math_rint();
41 test_Math_round_D();
42 test_Math_round_F();
Zheng Xua3fe7422014-07-09 14:03:15 +080043 test_Short_reverseBytes();
44 test_Integer_reverseBytes();
45 test_Long_reverseBytes();
Serban Constantinescu23abec92014-07-02 16:13:38 +010046 test_Integer_reverse();
47 test_Long_reverse();
Sebastien Hertzbf1442d2013-03-05 15:12:40 +010048 test_StrictMath_abs_I();
49 test_StrictMath_abs_J();
Serban Constantinescu23abec92014-07-02 16:13:38 +010050 test_StrictMath_min_I();
51 test_StrictMath_max_I();
52 test_StrictMath_min_J();
53 test_StrictMath_max_J();
54 test_StrictMath_min_F();
55 test_StrictMath_max_F();
56 test_StrictMath_min_D();
57 test_StrictMath_max_D();
Chao-ying Fuff87d7b2015-01-19 15:51:57 -080058 test_StrictMath_sqrt();
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +010059 test_StrictMath_ceil();
60 test_StrictMath_floor();
61 test_StrictMath_rint();
62 test_StrictMath_round_D();
63 test_StrictMath_round_F();
Elliott Hughes28c384b2012-06-15 16:46:25 -070064 test_String_charAt();
65 test_String_compareTo();
66 test_String_indexOf();
67 test_String_isEmpty();
68 test_String_length();
Andreas Gampe7a949612014-07-08 11:03:59 -070069 test_Thread_currentThread();
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +070070 initSupportMethodsForPeekPoke();
71 test_Memory_peekByte();
72 test_Memory_peekShort();
73 test_Memory_peekInt();
74 test_Memory_peekLong();
75 test_Memory_pokeByte();
76 test_Memory_pokeShort();
77 test_Memory_pokeInt();
78 test_Memory_pokeLong();
Elliott Hughes28c384b2012-06-15 16:46:25 -070079 }
80
Andreas Gampe7a949612014-07-08 11:03:59 -070081 /**
82 * Will test inlining Thread.currentThread().
83 */
84 public static void test_Thread_currentThread() {
85 // 1. Do not use result.
86 Thread.currentThread();
87
88 // 2. Result should not be null.
89 Assert.assertNotNull(Thread.currentThread());
90 }
91
Elliott Hughes28c384b2012-06-15 16:46:25 -070092 public static void test_String_length() {
93 String str0 = "";
94 String str1 = "x";
95 String str80 = "01234567890123456789012345678901234567890123456789012345678901234567890123456789";
96
97 Assert.assertEquals(str0.length(), 0);
98 Assert.assertEquals(str1.length(), 1);
99 Assert.assertEquals(str80.length(), 80);
100
101 String strNull = null;
102 try {
103 strNull.length();
104 Assert.fail();
105 } catch (NullPointerException expected) {
106 }
107 }
108
109 public static void test_String_isEmpty() {
110 String str0 = "";
111 String str1 = "x";
112
113 Assert.assertTrue(str0.isEmpty());
114 Assert.assertFalse(str1.isEmpty());
115
116 String strNull = null;
117 try {
118 strNull.isEmpty();
119 Assert.fail();
120 } catch (NullPointerException expected) {
121 }
122 }
123
Andreas Gampe71fb52f2014-12-29 17:43:08 -0800124 // Break up the charAt tests. The optimizing compiler doesn't optimize methods with try-catch yet,
125 // so we need to separate out the tests that are expected to throw exception
126
Elliott Hughes28c384b2012-06-15 16:46:25 -0700127 public static void test_String_charAt() {
Andreas Gampe878d58c2015-01-15 23:24:00 -0800128 String testStr = "Now is the time to test some stuff";
Elliott Hughes28c384b2012-06-15 16:46:25 -0700129
Andreas Gampe878d58c2015-01-15 23:24:00 -0800130 Assert.assertEquals(testStr.length() - 1, 33); // 33 = testStr.length()-1 as a constant.
131 Assert.assertEquals('f', testStr.charAt(33));
Elliott Hughes28c384b2012-06-15 16:46:25 -0700132
Andreas Gampe878d58c2015-01-15 23:24:00 -0800133 test_String_charAt(testStr, 'N', 'o', ' ', 'f');
134 test_String_charAt(testStr.substring(3,15), ' ', 'i', 'm', 'e');
135 }
136 public static void test_String_charAt(String testStr, char a, char b, char c, char d) {
137 Assert.assertEquals(a, testStr.charAt(0));
138 Assert.assertEquals(b, testStr.charAt(1));
139 Assert.assertEquals(c, testStr.charAt(10));
140 Assert.assertEquals(d, testStr.charAt(testStr.length()-1));
141
142 test_String_charAtExc(testStr);
143 test_String_charAtExc2(testStr);
Andreas Gampe71fb52f2014-12-29 17:43:08 -0800144 }
145
Andreas Gampe878d58c2015-01-15 23:24:00 -0800146 private static void test_String_charAtExc(String testStr) {
Elliott Hughes28c384b2012-06-15 16:46:25 -0700147 try {
148 testStr.charAt(-1);
149 Assert.fail();
150 } catch (StringIndexOutOfBoundsException expected) {
151 }
152 try {
153 testStr.charAt(80);
154 Assert.fail();
155 } catch (StringIndexOutOfBoundsException expected) {
jeffhao5d1ac922011-09-29 17:41:15 -0700156 }
Vladimir Marko00ca8472015-01-26 14:06:46 +0000157 try {
Andreas Gampe878d58c2015-01-15 23:24:00 -0800158 if (testStr.length() == 34) {
159 testStr.charAt(34); // 34 = "Now is the time to test some stuff".length()
160 } else {
161 Assert.assertEquals(testStr.length(), 12); // 12 = " is the time".length()
162 testStr.charAt(12);
163 }
Vladimir Marko00ca8472015-01-26 14:06:46 +0000164 Assert.fail();
165 } catch (StringIndexOutOfBoundsException expected) {
166 }
167 try {
168 test_String_charAt_inner(testStr, -1);
169 Assert.fail();
170 } catch (StringIndexOutOfBoundsException expected) {
171 }
172 try {
173 test_String_charAt_inner(testStr, 80);
174 Assert.fail();
175 } catch (StringIndexOutOfBoundsException expected) {
176 }
177 try {
Andreas Gampe878d58c2015-01-15 23:24:00 -0800178 if (testStr.length() == 34) {
179 // 34 = "Now is the time to test some stuff".length()
180 test_String_charAt_inner(testStr, 34);
181 } else {
182 Assert.assertEquals(testStr.length(), 12); // 12 = " is the time".length()
183 test_String_charAt_inner(testStr, 12);
184 }
Vladimir Marko00ca8472015-01-26 14:06:46 +0000185 Assert.fail();
186 } catch (StringIndexOutOfBoundsException expected) {
187 }
188
189 String strEmpty = "";
190 try {
191 strEmpty.charAt(0);
192 Assert.fail();
193 } catch (StringIndexOutOfBoundsException expected) {
194 }
jeffhao5d1ac922011-09-29 17:41:15 -0700195
Elliott Hughes28c384b2012-06-15 16:46:25 -0700196 String strNull = null;
197 try {
198 strNull.charAt(0);
199 Assert.fail();
200 } catch (NullPointerException expected) {
jeffhao5d1ac922011-09-29 17:41:15 -0700201 }
Elliott Hughes28c384b2012-06-15 16:46:25 -0700202 }
jeffhao5d1ac922011-09-29 17:41:15 -0700203
Vladimir Marko00ca8472015-01-26 14:06:46 +0000204 private static char test_String_charAt_inner(String s, int index) {
205 // Using non-constant index here (assuming that this method wasn't inlined).
206 return s.charAt(index);
207 }
208
Andreas Gampe878d58c2015-01-15 23:24:00 -0800209 private static void test_String_charAtExc2(String testStr) {
Andreas Gampe71fb52f2014-12-29 17:43:08 -0800210 try {
Andreas Gampe878d58c2015-01-15 23:24:00 -0800211 test_String_charAtExc3(testStr);
212 Assert.fail();
213 } catch (StringIndexOutOfBoundsException expected) {
214 }
215 try {
216 test_String_charAtExc4(testStr);
Andreas Gampe71fb52f2014-12-29 17:43:08 -0800217 Assert.fail();
218 } catch (StringIndexOutOfBoundsException expected) {
219 }
220 }
221
Andreas Gampe878d58c2015-01-15 23:24:00 -0800222 private static void test_String_charAtExc3(String testStr) {
Andreas Gampe71fb52f2014-12-29 17:43:08 -0800223 Assert.assertEquals('N', testStr.charAt(-1));
224 }
225
Andreas Gampe878d58c2015-01-15 23:24:00 -0800226 private static void test_String_charAtExc4(String testStr) {
227 Assert.assertEquals('N', testStr.charAt(100));
228 }
229
Yevgeny Rouban34fa0d92014-03-13 12:15:58 +0700230 static int start;
Alexei Zavjalova1758d82014-04-17 01:55:43 +0700231 private static int[] negIndex = { -100000 };
Elliott Hughes28c384b2012-06-15 16:46:25 -0700232 public static void test_String_indexOf() {
233 String str0 = "";
Yevgeny Rouban34fa0d92014-03-13 12:15:58 +0700234 String str1 = "/";
Elliott Hughes28c384b2012-06-15 16:46:25 -0700235 String str3 = "abc";
236 String str10 = "abcdefghij";
237 String str40 = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabc";
jeffhao5d1ac922011-09-29 17:41:15 -0700238
Elliott Hughes28c384b2012-06-15 16:46:25 -0700239 Assert.assertEquals(str0.indexOf('a'), -1);
240 Assert.assertEquals(str3.indexOf('a'), 0);
241 Assert.assertEquals(str3.indexOf('b'), 1);
242 Assert.assertEquals(str3.indexOf('c'), 2);
243 Assert.assertEquals(str10.indexOf('j'), 9);
244 Assert.assertEquals(str40.indexOf('a'), 0);
245 Assert.assertEquals(str40.indexOf('b'), 38);
246 Assert.assertEquals(str40.indexOf('c'), 39);
247 Assert.assertEquals(str0.indexOf('a',20), -1);
248 Assert.assertEquals(str0.indexOf('a',0), -1);
249 Assert.assertEquals(str0.indexOf('a',-1), -1);
Yevgeny Rouban34fa0d92014-03-13 12:15:58 +0700250 Assert.assertEquals(str1.indexOf('/',++start), -1);
Alexei Zavjalova1758d82014-04-17 01:55:43 +0700251 Assert.assertEquals(str1.indexOf('a',negIndex[0]), -1);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700252 Assert.assertEquals(str3.indexOf('a',0), 0);
253 Assert.assertEquals(str3.indexOf('a',1), -1);
254 Assert.assertEquals(str3.indexOf('a',1234), -1);
255 Assert.assertEquals(str3.indexOf('b',0), 1);
256 Assert.assertEquals(str3.indexOf('b',1), 1);
257 Assert.assertEquals(str3.indexOf('c',2), 2);
258 Assert.assertEquals(str10.indexOf('j',5), 9);
259 Assert.assertEquals(str10.indexOf('j',9), 9);
260 Assert.assertEquals(str40.indexOf('a',10), 10);
261 Assert.assertEquals(str40.indexOf('b',40), -1);
262
Andreas Gampe678e6952015-05-07 16:44:58 -0700263 testIndexOfNull();
264
Andreas Gampe21030dd2015-05-07 14:46:15 -0700265 // Same data as above, but stored so it's not a literal in the next test. -2 stands for
266 // indexOf(I) instead of indexOf(II).
267 start--;
268 int[][] searchData = {
269 { 'a', -2, -1 },
270 { 'a', -2, 0 },
271 { 'b', -2, 1 },
272 { 'c', -2, 2 },
273 { 'j', -2, 9 },
274 { 'a', -2, 0 },
275 { 'b', -2, 38 },
276 { 'c', -2, 39 },
277 { 'a', 20, -1 },
278 { 'a', 0, -1 },
279 { 'a', -1, -1 },
280 { '/', ++start, -1 },
281 { 'a', negIndex[0], -1 },
282 { 'a', 0, 0 },
283 { 'a', 1, -1 },
284 { 'a', 1234, -1 },
285 { 'b', 0, 1 },
286 { 'b', 1, 1 },
287 { 'c', 2, 2 },
288 { 'j', 5, 9 },
289 { 'j', 9, 9 },
290 { 'a', 10, 10 },
291 { 'b', 40, -1 },
292 };
293 testStringIndexOfChars(searchData);
294
Andreas Gampe678e6952015-05-07 16:44:58 -0700295 testSurrogateIndexOf();
296 }
297
Andreas Gampe21030dd2015-05-07 14:46:15 -0700298 private static void testStringIndexOfChars(int[][] searchData) {
299 // Use a try-catch to avoid inlining.
300 try {
301 testStringIndexOfCharsImpl(searchData);
302 } catch (Exception e) {
303 System.out.println("Unexpected exception");
304 }
305 }
306
307 private static void testStringIndexOfCharsImpl(int[][] searchData) {
308 String str0 = "";
309 String str1 = "/";
310 String str3 = "abc";
311 String str10 = "abcdefghij";
312 String str40 = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabc";
313
314 Assert.assertEquals(str0.indexOf(searchData[0][0]), searchData[0][2]);
315 Assert.assertEquals(str3.indexOf(searchData[1][0]), searchData[1][2]);
316 Assert.assertEquals(str3.indexOf(searchData[2][0]), searchData[2][2]);
317 Assert.assertEquals(str3.indexOf(searchData[3][0]), searchData[3][2]);
318 Assert.assertEquals(str10.indexOf(searchData[4][0]), searchData[4][2]);
319 Assert.assertEquals(str40.indexOf(searchData[5][0]), searchData[5][2]);
320 Assert.assertEquals(str40.indexOf(searchData[6][0]), searchData[6][2]);
321 Assert.assertEquals(str40.indexOf(searchData[7][0]), searchData[7][2]);
322 Assert.assertEquals(str0.indexOf(searchData[8][0], searchData[8][1]), searchData[8][2]);
323 Assert.assertEquals(str0.indexOf(searchData[9][0], searchData[9][1]), searchData[9][2]);
324 Assert.assertEquals(str0.indexOf(searchData[10][0], searchData[10][1]), searchData[10][2]);
325 Assert.assertEquals(str1.indexOf(searchData[11][0], searchData[11][1]), searchData[11][2]);
326 Assert.assertEquals(str1.indexOf(searchData[12][0], searchData[12][1]), searchData[12][2]);
327 Assert.assertEquals(str3.indexOf(searchData[13][0], searchData[13][1]), searchData[13][2]);
328 Assert.assertEquals(str3.indexOf(searchData[14][0], searchData[14][1]), searchData[14][2]);
329 Assert.assertEquals(str3.indexOf(searchData[15][0], searchData[15][1]), searchData[15][2]);
330 Assert.assertEquals(str3.indexOf(searchData[16][0], searchData[16][1]), searchData[16][2]);
331 Assert.assertEquals(str3.indexOf(searchData[17][0], searchData[17][1]), searchData[17][2]);
332 Assert.assertEquals(str3.indexOf(searchData[18][0], searchData[18][1]), searchData[18][2]);
333 Assert.assertEquals(str10.indexOf(searchData[19][0], searchData[19][1]), searchData[19][2]);
334 Assert.assertEquals(str10.indexOf(searchData[20][0], searchData[20][1]), searchData[20][2]);
335 Assert.assertEquals(str40.indexOf(searchData[21][0], searchData[21][1]), searchData[21][2]);
336 Assert.assertEquals(str40.indexOf(searchData[22][0], searchData[22][1]), searchData[22][2]);
337 }
338
Andreas Gampe678e6952015-05-07 16:44:58 -0700339 private static void testSurrogateIndexOf() {
340 int supplementaryChar = 0x20b9f;
341 String surrogatePair = "\ud842\udf9f";
342 String stringWithSurrogates = "hello " + surrogatePair + " world";
343
344 Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar), "hello ".length());
345 Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar, 2), "hello ".length());
346 Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar, 6), 6);
347 Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar, 7), -1);
Andreas Gampece7d0052015-05-07 22:31:55 -0700348
349 Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar - 0x10000), -1);
350 Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar | 0x80000000), -1);
Andreas Gampe678e6952015-05-07 16:44:58 -0700351 }
352
353 private static void testIndexOfNull() {
Elliott Hughes28c384b2012-06-15 16:46:25 -0700354 String strNull = null;
355 try {
Andreas Gampe678e6952015-05-07 16:44:58 -0700356 testNullIndex(strNull, 'a');
Elliott Hughes28c384b2012-06-15 16:46:25 -0700357 Assert.fail();
358 } catch (NullPointerException expected) {
jeffhao5d1ac922011-09-29 17:41:15 -0700359 }
Elliott Hughes28c384b2012-06-15 16:46:25 -0700360 try {
Andreas Gampe678e6952015-05-07 16:44:58 -0700361 testNullIndex(strNull, 'a', 0);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700362 Assert.fail();
363 } catch (NullPointerException expected) {
jeffhao5d1ac922011-09-29 17:41:15 -0700364 }
Elliott Hughes28c384b2012-06-15 16:46:25 -0700365 try {
Andreas Gampe678e6952015-05-07 16:44:58 -0700366 testNullIndex(strNull, 'a', -1);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700367 Assert.fail();
368 } catch (NullPointerException expected) {
jeffhao5d1ac922011-09-29 17:41:15 -0700369 }
Elliott Hughes28c384b2012-06-15 16:46:25 -0700370 }
jeffhao5d1ac922011-09-29 17:41:15 -0700371
Andreas Gampe678e6952015-05-07 16:44:58 -0700372 private static int testNullIndex(String strNull, int c) {
373 return strNull.indexOf(c);
374 }
375
376 private static int testNullIndex(String strNull, int c, int startIndex) {
377 return strNull.indexOf(c, startIndex);
378 }
379
Elliott Hughes28c384b2012-06-15 16:46:25 -0700380 public static void test_String_compareTo() {
381 String test = "0123456789";
382 String test1 = new String("0123456789"); // different object
383 String test2 = new String("0123456780"); // different value
384 String offset = new String("xxx0123456789yyy");
385 String sub = offset.substring(3, 13);
386 String str32 = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
387 String str33 = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxy";
388 String lc = "abcdefg";
389 String uc = "ABCDEFG";
390 Object blah = new Object();
391
392 Assert.assertTrue(lc.toUpperCase().equals(uc));
393
394 Assert.assertEquals(str32.compareTo(str33), -1);
395 Assert.assertEquals(str33.compareTo(str32), 1);
396
397 Assert.assertTrue(test.equals(test));
398 Assert.assertTrue(test.equals(test1));
399 Assert.assertFalse(test.equals(test2));
400
401 Assert.assertEquals(test.compareTo(test1), 0);
402 Assert.assertTrue(test1.compareTo(test2) > 0);
403 Assert.assertTrue(test2.compareTo(test1) < 0);
404
405 // Compare string with a nonzero offset, in left/right side.
406 Assert.assertEquals(test.compareTo(sub), 0);
407 Assert.assertEquals(sub.compareTo(test), 0);
408 Assert.assertTrue(test.equals(sub));
409 Assert.assertTrue(sub.equals(test));
410 // Same base, one is a substring.
411 Assert.assertFalse(offset.equals(sub));
412 Assert.assertFalse(sub.equals(offset));
413 // Wrong class.
414 Assert.assertFalse(test.equals(blah));
415
416 // Null lhs - throw.
417 try {
418 test.compareTo(null);
419 Assert.fail("didn't get expected npe");
420 } catch (NullPointerException npe) {
421 }
422 // Null rhs - okay.
423 Assert.assertFalse(test.equals(null));
424
425 test = test.substring(1);
426 Assert.assertTrue(test.equals("123456789"));
427 Assert.assertFalse(test.equals(test1));
428
429 test = test.substring(1);
430 Assert.assertTrue(test.equals("23456789"));
431
432 test = test.substring(1);
433 Assert.assertTrue(test.equals("3456789"));
434
435 test = test.substring(1);
436 Assert.assertTrue(test.equals("456789"));
437
438 test = test.substring(3,5);
439 Assert.assertTrue(test.equals("78"));
440
441 test = "this/is/a/path";
442 String[] strings = test.split("/");
443 Assert.assertEquals(4, strings.length);
444
445 Assert.assertEquals("this is a path", test.replaceAll("/", " "));
446 Assert.assertEquals("this is a path", test.replace("/", " "));
447 }
448
449 public static void test_Math_abs_I() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800450 Math.abs(-1);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700451 Assert.assertEquals(Math.abs(0), 0);
452 Assert.assertEquals(Math.abs(123), 123);
453 Assert.assertEquals(Math.abs(-123), 123);
454 Assert.assertEquals(Math.abs(Integer.MAX_VALUE), Integer.MAX_VALUE);
455 Assert.assertEquals(Math.abs(Integer.MIN_VALUE), Integer.MIN_VALUE);
456 Assert.assertEquals(Math.abs(Integer.MIN_VALUE - 1), Integer.MAX_VALUE);
Sebastien Hertzbf1442d2013-03-05 15:12:40 +0100457 Assert.assertEquals(Math.abs(Integer.MIN_VALUE + 1), Integer.MAX_VALUE);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700458 }
459
460 public static void test_Math_abs_J() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800461 Math.abs(-1L);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700462 Assert.assertEquals(Math.abs(0L), 0L);
463 Assert.assertEquals(Math.abs(123L), 123L);
464 Assert.assertEquals(Math.abs(-123L), 123L);
465 Assert.assertEquals(Math.abs(Long.MAX_VALUE), Long.MAX_VALUE);
466 Assert.assertEquals(Math.abs(Long.MIN_VALUE), Long.MIN_VALUE);
467 Assert.assertEquals(Math.abs(Long.MIN_VALUE - 1), Long.MAX_VALUE);
Andreas Gampe2bcf9bf2015-01-29 09:56:07 -0800468 Assert.assertEquals(Math.abs(2147483648L), 2147483648L);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700469 }
470
Serban Constantinescu23abec92014-07-02 16:13:38 +0100471 public static void test_Math_min_I() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800472 Math.min(1, 0);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700473 Assert.assertEquals(Math.min(0, 0), 0);
474 Assert.assertEquals(Math.min(1, 0), 0);
475 Assert.assertEquals(Math.min(0, 1), 0);
476 Assert.assertEquals(Math.min(0, Integer.MAX_VALUE), 0);
477 Assert.assertEquals(Math.min(Integer.MIN_VALUE, 0), Integer.MIN_VALUE);
478 Assert.assertEquals(Math.min(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MIN_VALUE);
479 }
480
Serban Constantinescu23abec92014-07-02 16:13:38 +0100481 public static void test_Math_max_I() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800482 Math.max(1, 0);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700483 Assert.assertEquals(Math.max(0, 0), 0);
484 Assert.assertEquals(Math.max(1, 0), 1);
485 Assert.assertEquals(Math.max(0, 1), 1);
486 Assert.assertEquals(Math.max(0, Integer.MAX_VALUE), Integer.MAX_VALUE);
487 Assert.assertEquals(Math.max(Integer.MIN_VALUE, 0), 0);
488 Assert.assertEquals(Math.max(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MAX_VALUE);
489 }
490
Serban Constantinescu23abec92014-07-02 16:13:38 +0100491 public static void test_Math_min_J() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800492 Math.min(1L, 0L);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100493 Assert.assertEquals(Math.min(0L, 0L), 0L);
494 Assert.assertEquals(Math.min(1L, 0L), 0L);
495 Assert.assertEquals(Math.min(0L, 1L), 0L);
496 Assert.assertEquals(Math.min(0L, Long.MAX_VALUE), 0L);
497 Assert.assertEquals(Math.min(Long.MIN_VALUE, 0L), Long.MIN_VALUE);
498 Assert.assertEquals(Math.min(Long.MIN_VALUE, Long.MAX_VALUE), Long.MIN_VALUE);
499 }
500
501 public static void test_Math_max_J() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800502 Math.max(1L, 0L);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100503 Assert.assertEquals(Math.max(0L, 0L), 0L);
504 Assert.assertEquals(Math.max(1L, 0L), 1L);
505 Assert.assertEquals(Math.max(0L, 1L), 1L);
506 Assert.assertEquals(Math.max(0L, Long.MAX_VALUE), Long.MAX_VALUE);
507 Assert.assertEquals(Math.max(Long.MIN_VALUE, 0L), 0L);
508 Assert.assertEquals(Math.max(Long.MIN_VALUE, Long.MAX_VALUE), Long.MAX_VALUE);
509 }
510
511 public static void test_Math_min_F() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800512 Math.min(1.0f, Float.NaN);
Alexei Zavjalov1222c962014-07-16 00:54:13 +0700513 Assert.assertTrue(Float.isNaN(Math.min(1.0f, Float.NaN)));
514 Assert.assertTrue(Float.isNaN(Math.min(Float.NaN, 1.0f)));
515 Assert.assertEquals(Math.min(-0.0f, 0.0f), -0.0f);
516 Assert.assertEquals(Math.min(0.0f, -0.0f), -0.0f);
517 Assert.assertEquals(Math.min(-0.0f, -0.0f), -0.0f);
518 Assert.assertEquals(Math.min(0.0f, 0.0f), 0.0f);
519 Assert.assertEquals(Math.min(1.0f, 0.0f), 0.0f);
520 Assert.assertEquals(Math.min(0.0f, 1.0f), 0.0f);
521 Assert.assertEquals(Math.min(0.0f, Float.MAX_VALUE), 0.0f);
522 Assert.assertEquals(Math.min(Float.MIN_VALUE, 0.0f), 0.0f);
523 Assert.assertEquals(Math.min(Float.MIN_VALUE, Float.MAX_VALUE), Float.MIN_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100524 }
525
526 public static void test_Math_max_F() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800527 Math.max(1.0f, Float.NaN);
Alexei Zavjalov1222c962014-07-16 00:54:13 +0700528 Assert.assertTrue(Float.isNaN(Math.max(1.0f, Float.NaN)));
529 Assert.assertTrue(Float.isNaN(Math.max(Float.NaN, 1.0f)));
530 Assert.assertEquals(Math.max(-0.0f, 0.0f), 0.0f);
531 Assert.assertEquals(Math.max(0.0f, -0.0f), 0.0f);
532 Assert.assertEquals(Math.max(-0.0f, -0.0f), -0.0f);
533 Assert.assertEquals(Math.max(0.0f, 0.0f), 0.0f);
534 Assert.assertEquals(Math.max(1.0f, 0.0f), 1.0f);
535 Assert.assertEquals(Math.max(0.0f, 1.0f), 1.0f);
536 Assert.assertEquals(Math.max(0.0f, Float.MAX_VALUE), Float.MAX_VALUE);
537 Assert.assertEquals(Math.max(Float.MIN_VALUE, 0.0f), Float.MIN_VALUE);
538 Assert.assertEquals(Math.max(Float.MIN_VALUE, Float.MAX_VALUE), Float.MAX_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100539 }
540
541 public static void test_Math_min_D() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800542 Math.min(1.0d, Double.NaN);
Alexei Zavjalov1222c962014-07-16 00:54:13 +0700543 Assert.assertTrue(Double.isNaN(Math.min(1.0d, Double.NaN)));
544 Assert.assertTrue(Double.isNaN(Math.min(Double.NaN, 1.0d)));
545 Assert.assertEquals(Math.min(-0.0d, 0.0d), -0.0d);
546 Assert.assertEquals(Math.min(0.0d, -0.0d), -0.0d);
547 Assert.assertEquals(Math.min(-0.0d, -0.0d), -0.0d);
548 Assert.assertEquals(Math.min(0.0d, 0.0d), 0.0d);
549 Assert.assertEquals(Math.min(1.0d, 0.0d), 0.0d);
550 Assert.assertEquals(Math.min(0.0d, 1.0d), 0.0d);
551 Assert.assertEquals(Math.min(0.0d, Double.MAX_VALUE), 0.0d);
552 Assert.assertEquals(Math.min(Double.MIN_VALUE, 0.0d), 0.0d);
553 Assert.assertEquals(Math.min(Double.MIN_VALUE, Double.MAX_VALUE), Double.MIN_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100554 }
555
556 public static void test_Math_max_D() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800557 Math.max(1.0d, Double.NaN);
Alexei Zavjalov1222c962014-07-16 00:54:13 +0700558 Assert.assertTrue(Double.isNaN(Math.max(1.0d, Double.NaN)));
559 Assert.assertTrue(Double.isNaN(Math.max(Double.NaN, 1.0d)));
560 Assert.assertEquals(Math.max(-0.0d, 0.0d), 0.0d);
561 Assert.assertEquals(Math.max(0.0d, -0.0d), 0.0d);
562 Assert.assertEquals(Math.max(-0.0d, -0.0d), -0.0d);
563 Assert.assertEquals(Math.max(0.0d, 0.0d), 0.0d);
564 Assert.assertEquals(Math.max(1.0d, 0.0d), 1.0d);
565 Assert.assertEquals(Math.max(0.0d, 1.0d), 1.0d);
566 Assert.assertEquals(Math.max(0.0d, Double.MAX_VALUE), Double.MAX_VALUE);
567 Assert.assertEquals(Math.max(Double.MIN_VALUE, 0.0d), Double.MIN_VALUE);
568 Assert.assertEquals(Math.max(Double.MIN_VALUE, Double.MAX_VALUE), Double.MAX_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100569 }
570
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800571 public static void test_Math_sqrt() {
572 Math.sqrt(+4.0);
573 Assert.assertEquals(Math.sqrt(+4.0), +2.0d, 0.0);
574 Assert.assertEquals(Math.sqrt(+49.0), +7.0d, 0.0);
575 Assert.assertEquals(Math.sqrt(+1.44), +1.2d, 0.0);
576 }
577
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100578 public static void test_Math_ceil() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800579 Math.ceil(-0.9);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100580 Assert.assertEquals(Math.ceil(+0.0), +0.0d, 0.0);
581 Assert.assertEquals(Math.ceil(-0.0), -0.0d, 0.0);
582 Assert.assertEquals(Math.ceil(-0.9), -0.0d, 0.0);
583 Assert.assertEquals(Math.ceil(-0.5), -0.0d, 0.0);
584 Assert.assertEquals(Math.ceil(0.0), -0.0d, 0.0);
585 Assert.assertEquals(Math.ceil(+2.0), +2.0d, 0.0);
586 Assert.assertEquals(Math.ceil(+2.1), +3.0d, 0.0);
587 Assert.assertEquals(Math.ceil(+2.5), +3.0d, 0.0);
588 Assert.assertEquals(Math.ceil(+2.9), +3.0d, 0.0);
589 Assert.assertEquals(Math.ceil(+3.0), +3.0d, 0.0);
590 Assert.assertEquals(Math.ceil(-2.0), -2.0d, 0.0);
591 Assert.assertEquals(Math.ceil(-2.1), -2.0d, 0.0);
592 Assert.assertEquals(Math.ceil(-2.5), -2.0d, 0.0);
593 Assert.assertEquals(Math.ceil(-2.9), -2.0d, 0.0);
594 Assert.assertEquals(Math.ceil(-3.0), -3.0d, 0.0);
595 Assert.assertEquals(Math.ceil(Double.NaN), Double.NaN, 0.0);
596 Assert.assertEquals(Math.ceil(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0);
597 Assert.assertEquals(Math.ceil(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0);
598 }
599
600 public static void test_Math_floor() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800601 Math.floor(+2.1);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100602 Assert.assertEquals(Math.floor(+0.0), +0.0d, 0.0);
603 Assert.assertEquals(Math.floor(-0.0), -0.0d, 0.0);
604 Assert.assertEquals(Math.floor(+2.0), +2.0d, 0.0);
605 Assert.assertEquals(Math.floor(+2.1), +2.0d, 0.0);
606 Assert.assertEquals(Math.floor(+2.5), +2.0d, 0.0);
607 Assert.assertEquals(Math.floor(+2.9), +2.0d, 0.0);
608 Assert.assertEquals(Math.floor(+3.0), +3.0d, 0.0);
609 Assert.assertEquals(Math.floor(-2.0), -2.0d, 0.0);
610 Assert.assertEquals(Math.floor(-2.1), -3.0d, 0.0);
611 Assert.assertEquals(Math.floor(-2.5), -3.0d, 0.0);
612 Assert.assertEquals(Math.floor(-2.9), -3.0d, 0.0);
613 Assert.assertEquals(Math.floor(-3.0), -3.0d, 0.0);
614 Assert.assertEquals(Math.floor(Double.NaN), Double.NaN, 0.0);
615 Assert.assertEquals(Math.floor(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0);
616 Assert.assertEquals(Math.floor(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0);
617 }
618
619 public static void test_Math_rint() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800620 Math.rint(+2.1);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100621 Assert.assertEquals(Math.rint(+0.0), +0.0d, 0.0);
622 Assert.assertEquals(Math.rint(-0.0), -0.0d, 0.0);
623 Assert.assertEquals(Math.rint(+2.0), +2.0d, 0.0);
624 Assert.assertEquals(Math.rint(+2.1), +2.0d, 0.0);
625 Assert.assertEquals(Math.rint(+2.5), +2.0d, 0.0);
626 Assert.assertEquals(Math.rint(+2.9), +3.0d, 0.0);
627 Assert.assertEquals(Math.rint(+3.0), +3.0d, 0.0);
628 Assert.assertEquals(Math.rint(-2.0), -2.0d, 0.0);
629 Assert.assertEquals(Math.rint(-2.1), -2.0d, 0.0);
630 Assert.assertEquals(Math.rint(-2.5), -2.0d, 0.0);
631 Assert.assertEquals(Math.rint(-2.9), -3.0d, 0.0);
632 Assert.assertEquals(Math.rint(-3.0), -3.0d, 0.0);
633 Assert.assertEquals(Math.rint(Double.NaN), Double.NaN, 0.0);
634 Assert.assertEquals(Math.rint(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0);
635 Assert.assertEquals(Math.rint(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0);
636 }
637
638 public static void test_Math_round_D() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800639 Math.round(2.1d);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100640 Assert.assertEquals(Math.round(+0.0d), (long)+0.0);
641 Assert.assertEquals(Math.round(-0.0d), (long)+0.0);
642 Assert.assertEquals(Math.round(2.0d), 2l);
643 Assert.assertEquals(Math.round(2.1d), 2l);
644 Assert.assertEquals(Math.round(2.5d), 3l);
645 Assert.assertEquals(Math.round(2.9d), 3l);
646 Assert.assertEquals(Math.round(3.0d), 3l);
647 Assert.assertEquals(Math.round(-2.0d), -2l);
648 Assert.assertEquals(Math.round(-2.1d), -2l);
649 Assert.assertEquals(Math.round(-2.5d), -2l);
650 Assert.assertEquals(Math.round(-2.9d), -3l);
651 Assert.assertEquals(Math.round(-3.0d), -3l);
Yi Kong879ca672015-11-18 14:11:44 +0000652 Assert.assertEquals(Math.round(0.49999999999999994d), 0l);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100653 Assert.assertEquals(Math.round(Double.NaN), (long)+0.0d);
654 Assert.assertEquals(Math.round(Long.MAX_VALUE + 1.0d), Long.MAX_VALUE);
655 Assert.assertEquals(Math.round(Long.MIN_VALUE - 1.0d), Long.MIN_VALUE);
656 Assert.assertEquals(Math.round(Double.POSITIVE_INFINITY), Long.MAX_VALUE);
657 Assert.assertEquals(Math.round(Double.NEGATIVE_INFINITY), Long.MIN_VALUE);
658 }
659
660 public static void test_Math_round_F() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800661 Math.round(2.1f);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100662 Assert.assertEquals(Math.round(+0.0f), (int)+0.0);
663 Assert.assertEquals(Math.round(-0.0f), (int)+0.0);
664 Assert.assertEquals(Math.round(2.0f), 2);
665 Assert.assertEquals(Math.round(2.1f), 2);
666 Assert.assertEquals(Math.round(2.5f), 3);
667 Assert.assertEquals(Math.round(2.9f), 3);
668 Assert.assertEquals(Math.round(3.0f), 3);
669 Assert.assertEquals(Math.round(-2.0f), -2);
670 Assert.assertEquals(Math.round(-2.1f), -2);
671 Assert.assertEquals(Math.round(-2.5f), -2);
672 Assert.assertEquals(Math.round(-2.9f), -3);
673 Assert.assertEquals(Math.round(-3.0f), -3);
674 Assert.assertEquals(Math.round(Float.NaN), (int)+0.0f);
675 Assert.assertEquals(Math.round(Integer.MAX_VALUE + 1.0f), Integer.MAX_VALUE);
676 Assert.assertEquals(Math.round(Integer.MIN_VALUE - 1.0f), Integer.MIN_VALUE);
677 Assert.assertEquals(Math.round(Float.POSITIVE_INFINITY), Integer.MAX_VALUE);
678 Assert.assertEquals(Math.round(Float.NEGATIVE_INFINITY), Integer.MIN_VALUE);
679 }
680
Sebastien Hertzbf1442d2013-03-05 15:12:40 +0100681 public static void test_StrictMath_abs_I() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800682 StrictMath.abs(-1);
Sebastien Hertzbf1442d2013-03-05 15:12:40 +0100683 Assert.assertEquals(StrictMath.abs(0), 0);
684 Assert.assertEquals(StrictMath.abs(123), 123);
685 Assert.assertEquals(StrictMath.abs(-123), 123);
686 Assert.assertEquals(StrictMath.abs(Integer.MAX_VALUE), Integer.MAX_VALUE);
687 Assert.assertEquals(StrictMath.abs(Integer.MIN_VALUE), Integer.MIN_VALUE);
688 Assert.assertEquals(StrictMath.abs(Integer.MIN_VALUE - 1), Integer.MAX_VALUE);
689 Assert.assertEquals(StrictMath.abs(Integer.MIN_VALUE + 1), Integer.MAX_VALUE);
690 }
691
692 public static void test_StrictMath_abs_J() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800693 StrictMath.abs(-1L);
Sebastien Hertzbf1442d2013-03-05 15:12:40 +0100694 Assert.assertEquals(StrictMath.abs(0L), 0L);
695 Assert.assertEquals(StrictMath.abs(123L), 123L);
696 Assert.assertEquals(StrictMath.abs(-123L), 123L);
697 Assert.assertEquals(StrictMath.abs(Long.MAX_VALUE), Long.MAX_VALUE);
698 Assert.assertEquals(StrictMath.abs(Long.MIN_VALUE), Long.MIN_VALUE);
699 Assert.assertEquals(StrictMath.abs(Long.MIN_VALUE - 1), Long.MAX_VALUE);
700 }
701
Serban Constantinescu23abec92014-07-02 16:13:38 +0100702 public static void test_StrictMath_min_I() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800703 StrictMath.min(1, 0);
Sebastien Hertzbf1442d2013-03-05 15:12:40 +0100704 Assert.assertEquals(StrictMath.min(0, 0), 0);
705 Assert.assertEquals(StrictMath.min(1, 0), 0);
706 Assert.assertEquals(StrictMath.min(0, 1), 0);
707 Assert.assertEquals(StrictMath.min(0, Integer.MAX_VALUE), 0);
708 Assert.assertEquals(StrictMath.min(Integer.MIN_VALUE, 0), Integer.MIN_VALUE);
709 Assert.assertEquals(StrictMath.min(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MIN_VALUE);
710 }
711
Serban Constantinescu23abec92014-07-02 16:13:38 +0100712 public static void test_StrictMath_max_I() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800713 StrictMath.max(1, 0);
Sebastien Hertzbf1442d2013-03-05 15:12:40 +0100714 Assert.assertEquals(StrictMath.max(0, 0), 0);
715 Assert.assertEquals(StrictMath.max(1, 0), 1);
716 Assert.assertEquals(StrictMath.max(0, 1), 1);
717 Assert.assertEquals(StrictMath.max(0, Integer.MAX_VALUE), Integer.MAX_VALUE);
718 Assert.assertEquals(StrictMath.max(Integer.MIN_VALUE, 0), 0);
719 Assert.assertEquals(StrictMath.max(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MAX_VALUE);
720 }
721
Serban Constantinescu23abec92014-07-02 16:13:38 +0100722 public static void test_StrictMath_min_J() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800723 StrictMath.min(1L, 0L);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100724 Assert.assertEquals(StrictMath.min(0L, 0L), 0L);
725 Assert.assertEquals(StrictMath.min(1L, 0L), 0L);
726 Assert.assertEquals(StrictMath.min(0L, 1L), 0L);
727 Assert.assertEquals(StrictMath.min(0L, Long.MAX_VALUE), 0L);
728 Assert.assertEquals(StrictMath.min(Long.MIN_VALUE, 0L), Long.MIN_VALUE);
729 Assert.assertEquals(StrictMath.min(Long.MIN_VALUE, Long.MAX_VALUE), Long.MIN_VALUE);
730 }
731
732 public static void test_StrictMath_max_J() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800733 StrictMath.max(1L, 0L);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100734 Assert.assertEquals(StrictMath.max(0L, 0L), 0L);
735 Assert.assertEquals(StrictMath.max(1L, 0L), 1L);
736 Assert.assertEquals(StrictMath.max(0L, 1L), 1L);
737 Assert.assertEquals(StrictMath.max(0L, Long.MAX_VALUE), Long.MAX_VALUE);
738 Assert.assertEquals(StrictMath.max(Long.MIN_VALUE, 0L), 0L);
739 Assert.assertEquals(StrictMath.max(Long.MIN_VALUE, Long.MAX_VALUE), Long.MAX_VALUE);
740 }
741
742 public static void test_StrictMath_min_F() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800743 StrictMath.min(1.0f, Float.NaN);
Alexei Zavjalov1222c962014-07-16 00:54:13 +0700744 Assert.assertTrue(Float.isNaN(StrictMath.min(1.0f, Float.NaN)));
745 Assert.assertTrue(Float.isNaN(StrictMath.min(Float.NaN, 1.0f)));
746 Assert.assertEquals(StrictMath.min(-0.0f, 0.0f), -0.0f);
747 Assert.assertEquals(StrictMath.min(0.0f, -0.0f), -0.0f);
748 Assert.assertEquals(StrictMath.min(-0.0f, -0.0f), -0.0f);
749 Assert.assertEquals(StrictMath.min(0.0f, 0.0f), 0.0f);
750 Assert.assertEquals(StrictMath.min(1.0f, 0.0f), 0.0f);
751 Assert.assertEquals(StrictMath.min(0.0f, 1.0f), 0.0f);
752 Assert.assertEquals(StrictMath.min(0.0f, Float.MAX_VALUE), 0.0f);
753 Assert.assertEquals(StrictMath.min(Float.MIN_VALUE, 0.0f), 0.0f);
754 Assert.assertEquals(StrictMath.min(Float.MIN_VALUE, Float.MAX_VALUE), Float.MIN_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100755 }
756
757 public static void test_StrictMath_max_F() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800758 StrictMath.max(1.0f, Float.NaN);
Alexei Zavjalov1222c962014-07-16 00:54:13 +0700759 Assert.assertTrue(Float.isNaN(StrictMath.max(1.0f, Float.NaN)));
760 Assert.assertTrue(Float.isNaN(StrictMath.max(Float.NaN, 1.0f)));
761 Assert.assertEquals(StrictMath.max(-0.0f, 0.0f), 0.0f);
762 Assert.assertEquals(StrictMath.max(0.0f, -0.0f), 0.0f);
763 Assert.assertEquals(StrictMath.max(-0.0f, -0.0f), -0.0f);
764 Assert.assertEquals(StrictMath.max(0.0f, 0.0f), 0.0f);
765 Assert.assertEquals(StrictMath.max(1.0f, 0.0f), 1.0f);
766 Assert.assertEquals(StrictMath.max(0.0f, 1.0f), 1.0f);
767 Assert.assertEquals(StrictMath.max(0.0f, Float.MAX_VALUE), Float.MAX_VALUE);
768 Assert.assertEquals(StrictMath.max(Float.MIN_VALUE, 0.0f), Float.MIN_VALUE);
769 Assert.assertEquals(StrictMath.max(Float.MIN_VALUE, Float.MAX_VALUE), Float.MAX_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100770 }
771
772 public static void test_StrictMath_min_D() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800773 StrictMath.min(1.0d, Double.NaN);
Alexei Zavjalov1222c962014-07-16 00:54:13 +0700774 Assert.assertTrue(Double.isNaN(StrictMath.min(1.0d, Double.NaN)));
775 Assert.assertTrue(Double.isNaN(StrictMath.min(Double.NaN, 1.0d)));
776 Assert.assertEquals(StrictMath.min(-0.0d, 0.0d), -0.0d);
777 Assert.assertEquals(StrictMath.min(0.0d, -0.0d), -0.0d);
778 Assert.assertEquals(StrictMath.min(-0.0d, -0.0d), -0.0d);
779 Assert.assertEquals(StrictMath.min(0.0d, 0.0d), 0.0d);
780 Assert.assertEquals(StrictMath.min(1.0d, 0.0d), 0.0d);
781 Assert.assertEquals(StrictMath.min(0.0d, 1.0d), 0.0d);
782 Assert.assertEquals(StrictMath.min(0.0d, Double.MAX_VALUE), 0.0d);
783 Assert.assertEquals(StrictMath.min(Double.MIN_VALUE, 0.0d), 0.0d);
784 Assert.assertEquals(StrictMath.min(Double.MIN_VALUE, Double.MAX_VALUE), Double.MIN_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100785 }
786
787 public static void test_StrictMath_max_D() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800788 StrictMath.max(1.0d, Double.NaN);
Alexei Zavjalov1222c962014-07-16 00:54:13 +0700789 Assert.assertTrue(Double.isNaN(StrictMath.max(1.0d, Double.NaN)));
790 Assert.assertTrue(Double.isNaN(StrictMath.max(Double.NaN, 1.0d)));
791 Assert.assertEquals(StrictMath.max(-0.0d, 0.0d), 0.0d);
792 Assert.assertEquals(StrictMath.max(0.0d, -0.0d), 0.0d);
793 Assert.assertEquals(StrictMath.max(-0.0d, -0.0d), -0.0d);
794 Assert.assertEquals(StrictMath.max(0.0d, 0.0d), 0.0d);
795 Assert.assertEquals(StrictMath.max(1.0d, 0.0d), 1.0d);
796 Assert.assertEquals(StrictMath.max(0.0d, 1.0d), 1.0d);
797 Assert.assertEquals(StrictMath.max(0.0d, Double.MAX_VALUE), Double.MAX_VALUE);
798 Assert.assertEquals(StrictMath.max(Double.MIN_VALUE, 0.0d), Double.MIN_VALUE);
799 Assert.assertEquals(StrictMath.max(Double.MIN_VALUE, Double.MAX_VALUE), Double.MAX_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100800 }
801
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800802 public static void test_StrictMath_sqrt() {
803 StrictMath.sqrt(+4.0);
804 Assert.assertEquals(StrictMath.sqrt(+4.0), +2.0d, 0.0);
805 Assert.assertEquals(StrictMath.sqrt(+49.0), +7.0d, 0.0);
806 Assert.assertEquals(StrictMath.sqrt(+1.44), +1.2d, 0.0);
807 }
808
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100809 public static void test_StrictMath_ceil() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800810 StrictMath.ceil(-0.9);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100811 Assert.assertEquals(StrictMath.ceil(+0.0), +0.0d, 0.0);
812 Assert.assertEquals(StrictMath.ceil(-0.0), -0.0d, 0.0);
813 Assert.assertEquals(StrictMath.ceil(-0.9), -0.0d, 0.0);
814 Assert.assertEquals(StrictMath.ceil(-0.5), -0.0d, 0.0);
815 Assert.assertEquals(StrictMath.ceil(0.0), -0.0d, 0.0);
816 Assert.assertEquals(StrictMath.ceil(+2.0), +2.0d, 0.0);
817 Assert.assertEquals(StrictMath.ceil(+2.1), +3.0d, 0.0);
818 Assert.assertEquals(StrictMath.ceil(+2.5), +3.0d, 0.0);
819 Assert.assertEquals(StrictMath.ceil(+2.9), +3.0d, 0.0);
820 Assert.assertEquals(StrictMath.ceil(+3.0), +3.0d, 0.0);
821 Assert.assertEquals(StrictMath.ceil(-2.0), -2.0d, 0.0);
822 Assert.assertEquals(StrictMath.ceil(-2.1), -2.0d, 0.0);
823 Assert.assertEquals(StrictMath.ceil(-2.5), -2.0d, 0.0);
824 Assert.assertEquals(StrictMath.ceil(-2.9), -2.0d, 0.0);
825 Assert.assertEquals(StrictMath.ceil(-3.0), -3.0d, 0.0);
826 Assert.assertEquals(StrictMath.ceil(Double.NaN), Double.NaN, 0.0);
827 Assert.assertEquals(StrictMath.ceil(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0);
828 Assert.assertEquals(StrictMath.ceil(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0);
829 }
830
831 public static void test_StrictMath_floor() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800832 StrictMath.floor(+2.1);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100833 Assert.assertEquals(StrictMath.floor(+0.0), +0.0d, 0.0);
834 Assert.assertEquals(StrictMath.floor(-0.0), -0.0d, 0.0);
835 Assert.assertEquals(StrictMath.floor(+2.0), +2.0d, 0.0);
836 Assert.assertEquals(StrictMath.floor(+2.1), +2.0d, 0.0);
837 Assert.assertEquals(StrictMath.floor(+2.5), +2.0d, 0.0);
838 Assert.assertEquals(StrictMath.floor(+2.9), +2.0d, 0.0);
839 Assert.assertEquals(StrictMath.floor(+3.0), +3.0d, 0.0);
840 Assert.assertEquals(StrictMath.floor(-2.0), -2.0d, 0.0);
841 Assert.assertEquals(StrictMath.floor(-2.1), -3.0d, 0.0);
842 Assert.assertEquals(StrictMath.floor(-2.5), -3.0d, 0.0);
843 Assert.assertEquals(StrictMath.floor(-2.9), -3.0d, 0.0);
844 Assert.assertEquals(StrictMath.floor(-3.0), -3.0d, 0.0);
845 Assert.assertEquals(StrictMath.floor(Double.NaN), Double.NaN, 0.0);
846 Assert.assertEquals(StrictMath.floor(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0);
847 Assert.assertEquals(StrictMath.floor(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0);
848 }
849
850 public static void test_StrictMath_rint() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800851 StrictMath.rint(+2.1);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100852 Assert.assertEquals(StrictMath.rint(+0.0), +0.0d, 0.0);
853 Assert.assertEquals(StrictMath.rint(-0.0), -0.0d, 0.0);
854 Assert.assertEquals(StrictMath.rint(+2.0), +2.0d, 0.0);
855 Assert.assertEquals(StrictMath.rint(+2.1), +2.0d, 0.0);
856 Assert.assertEquals(StrictMath.rint(+2.5), +2.0d, 0.0);
857 Assert.assertEquals(StrictMath.rint(+2.9), +3.0d, 0.0);
858 Assert.assertEquals(StrictMath.rint(+3.0), +3.0d, 0.0);
859 Assert.assertEquals(StrictMath.rint(-2.0), -2.0d, 0.0);
860 Assert.assertEquals(StrictMath.rint(-2.1), -2.0d, 0.0);
861 Assert.assertEquals(StrictMath.rint(-2.5), -2.0d, 0.0);
862 Assert.assertEquals(StrictMath.rint(-2.9), -3.0d, 0.0);
863 Assert.assertEquals(StrictMath.rint(-3.0), -3.0d, 0.0);
864 Assert.assertEquals(StrictMath.rint(Double.NaN), Double.NaN, 0.0);
865 Assert.assertEquals(StrictMath.rint(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0);
866 Assert.assertEquals(StrictMath.rint(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0);
867 }
868
869 public static void test_StrictMath_round_D() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800870 StrictMath.round(2.1d);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100871 Assert.assertEquals(StrictMath.round(+0.0d), (long)+0.0);
872 Assert.assertEquals(StrictMath.round(-0.0d), (long)+0.0);
873 Assert.assertEquals(StrictMath.round(2.0d), 2l);
874 Assert.assertEquals(StrictMath.round(2.1d), 2l);
875 Assert.assertEquals(StrictMath.round(2.5d), 3l);
876 Assert.assertEquals(StrictMath.round(2.9d), 3l);
877 Assert.assertEquals(StrictMath.round(3.0d), 3l);
878 Assert.assertEquals(StrictMath.round(-2.0d), -2l);
879 Assert.assertEquals(StrictMath.round(-2.1d), -2l);
880 Assert.assertEquals(StrictMath.round(-2.5d), -2l);
881 Assert.assertEquals(StrictMath.round(-2.9d), -3l);
882 Assert.assertEquals(StrictMath.round(-3.0d), -3l);
Yi Kong879ca672015-11-18 14:11:44 +0000883 Assert.assertEquals(StrictMath.round(0.49999999999999994d), 0l);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100884 Assert.assertEquals(StrictMath.round(Double.NaN), (long)+0.0d);
885 Assert.assertEquals(StrictMath.round(Long.MAX_VALUE + 1.0d), Long.MAX_VALUE);
886 Assert.assertEquals(StrictMath.round(Long.MIN_VALUE - 1.0d), Long.MIN_VALUE);
887 Assert.assertEquals(StrictMath.round(Double.POSITIVE_INFINITY), Long.MAX_VALUE);
888 Assert.assertEquals(StrictMath.round(Double.NEGATIVE_INFINITY), Long.MIN_VALUE);
889 }
890
891 public static void test_StrictMath_round_F() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800892 StrictMath.round(2.1f);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100893 Assert.assertEquals(StrictMath.round(+0.0f), (int)+0.0);
894 Assert.assertEquals(StrictMath.round(-0.0f), (int)+0.0);
895 Assert.assertEquals(StrictMath.round(2.0f), 2);
896 Assert.assertEquals(StrictMath.round(2.1f), 2);
897 Assert.assertEquals(StrictMath.round(2.5f), 3);
898 Assert.assertEquals(StrictMath.round(2.9f), 3);
899 Assert.assertEquals(StrictMath.round(3.0f), 3);
900 Assert.assertEquals(StrictMath.round(-2.0f), -2);
901 Assert.assertEquals(StrictMath.round(-2.1f), -2);
902 Assert.assertEquals(StrictMath.round(-2.5f), -2);
903 Assert.assertEquals(StrictMath.round(-2.9f), -3);
904 Assert.assertEquals(StrictMath.round(-3.0f), -3);
905 Assert.assertEquals(StrictMath.round(Float.NaN), (int)+0.0f);
906 Assert.assertEquals(StrictMath.round(Integer.MAX_VALUE + 1.0f), Integer.MAX_VALUE);
907 Assert.assertEquals(StrictMath.round(Integer.MIN_VALUE - 1.0f), Integer.MIN_VALUE);
908 Assert.assertEquals(StrictMath.round(Float.POSITIVE_INFINITY), Integer.MAX_VALUE);
909 Assert.assertEquals(StrictMath.round(Float.NEGATIVE_INFINITY), Integer.MIN_VALUE);
910 }
911
Elliott Hughes28c384b2012-06-15 16:46:25 -0700912 public static void test_Float_floatToRawIntBits() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800913 Float.floatToRawIntBits(-1.0f);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700914 Assert.assertEquals(Float.floatToRawIntBits(-1.0f), 0xbf800000);
915 Assert.assertEquals(Float.floatToRawIntBits(0.0f), 0);
916 Assert.assertEquals(Float.floatToRawIntBits(1.0f), 0x3f800000);
917 Assert.assertEquals(Float.floatToRawIntBits(Float.NaN), 0x7fc00000);
918 Assert.assertEquals(Float.floatToRawIntBits(Float.POSITIVE_INFINITY), 0x7f800000);
919 Assert.assertEquals(Float.floatToRawIntBits(Float.NEGATIVE_INFINITY), 0xff800000);
920 }
921
922 public static void test_Float_intBitsToFloat() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800923 Float.intBitsToFloat(0xbf800000);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700924 Assert.assertEquals(Float.intBitsToFloat(0xbf800000), -1.0f);
925 Assert.assertEquals(Float.intBitsToFloat(0x00000000), 0.0f);
926 Assert.assertEquals(Float.intBitsToFloat(0x3f800000), 1.0f);
927 Assert.assertEquals(Float.intBitsToFloat(0x7fc00000), Float.NaN);
928 Assert.assertEquals(Float.intBitsToFloat(0x7f800000), Float.POSITIVE_INFINITY);
929 Assert.assertEquals(Float.intBitsToFloat(0xff800000), Float.NEGATIVE_INFINITY);
930 }
931
932 public static void test_Double_doubleToRawLongBits() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800933 Double.doubleToRawLongBits(-1.0);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700934 Assert.assertEquals(Double.doubleToRawLongBits(-1.0), 0xbff0000000000000L);
935 Assert.assertEquals(Double.doubleToRawLongBits(0.0), 0x0000000000000000L);
936 Assert.assertEquals(Double.doubleToRawLongBits(1.0), 0x3ff0000000000000L);
937 Assert.assertEquals(Double.doubleToRawLongBits(Double.NaN), 0x7ff8000000000000L);
938 Assert.assertEquals(Double.doubleToRawLongBits(Double.POSITIVE_INFINITY), 0x7ff0000000000000L);
939 Assert.assertEquals(Double.doubleToRawLongBits(Double.NEGATIVE_INFINITY), 0xfff0000000000000L);
940 }
941
942 public static void test_Double_longBitsToDouble() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800943 Double.longBitsToDouble(0xbff0000000000000L);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700944 Assert.assertEquals(Double.longBitsToDouble(0xbff0000000000000L), -1.0);
945 Assert.assertEquals(Double.longBitsToDouble(0x0000000000000000L), 0.0);
946 Assert.assertEquals(Double.longBitsToDouble(0x3ff0000000000000L), 1.0);
947 Assert.assertEquals(Double.longBitsToDouble(0x7ff8000000000000L), Double.NaN);
948 Assert.assertEquals(Double.longBitsToDouble(0x7ff0000000000000L), Double.POSITIVE_INFINITY);
949 Assert.assertEquals(Double.longBitsToDouble(0xfff0000000000000L), Double.NEGATIVE_INFINITY);
950 }
Serban Constantinescu23abec92014-07-02 16:13:38 +0100951
Zheng Xua3fe7422014-07-09 14:03:15 +0800952 public static void test_Short_reverseBytes() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800953 Short.reverseBytes((short)0x1357);
Zheng Xua3fe7422014-07-09 14:03:15 +0800954 Assert.assertEquals(Short.reverseBytes((short)0x0000), (short)0x0000);
955 Assert.assertEquals(Short.reverseBytes((short)0xffff), (short)0xffff);
956 Assert.assertEquals(Short.reverseBytes((short)0x8000), (short)0x0080);
957 Assert.assertEquals(Short.reverseBytes((short)0x0080), (short)0x8000);
958 Assert.assertEquals(Short.reverseBytes((short)0x0123), (short)0x2301);
959 Assert.assertEquals(Short.reverseBytes((short)0x4567), (short)0x6745);
960 Assert.assertEquals(Short.reverseBytes((short)0x89ab), (short)0xab89);
961 Assert.assertEquals(Short.reverseBytes((short)0xcdef), (short)0xefcd);
962 }
963
964 public static void test_Integer_reverseBytes() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800965 Integer.reverseBytes(0x13579bdf);
Zheng Xua3fe7422014-07-09 14:03:15 +0800966 Assert.assertEquals(Integer.reverseBytes(0x00000000), 0x00000000);
967 Assert.assertEquals(Integer.reverseBytes(0xffffffff), 0xffffffff);
968 Assert.assertEquals(Integer.reverseBytes(0x80000000), 0x00000080);
969 Assert.assertEquals(Integer.reverseBytes(0x00000080), 0x80000000);
970 Assert.assertEquals(Integer.reverseBytes(0x01234567), 0x67452301);
971 Assert.assertEquals(Integer.reverseBytes(0x89abcdef), 0xefcdab89);
972 }
973
974 public static void test_Long_reverseBytes() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800975 Long.reverseBytes(0x13579bdf2468ace0L);
Zheng Xua3fe7422014-07-09 14:03:15 +0800976 Assert.assertEquals(Long.reverseBytes(0x0000000000000000L), 0x0000000000000000L);
977 Assert.assertEquals(Long.reverseBytes(0xffffffffffffffffL), 0xffffffffffffffffL);
978 Assert.assertEquals(Long.reverseBytes(0x8000000000000000L), 0x0000000000000080L);
979 Assert.assertEquals(Long.reverseBytes(0x0000000000000080L), 0x8000000000000000L);
980 Assert.assertEquals(Long.reverseBytes(0x0123456789abcdefL), 0xefcdab8967452301L);
981 }
982
Serban Constantinescu23abec92014-07-02 16:13:38 +0100983 public static void test_Integer_reverse() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800984 Integer.reverse(0x12345678);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100985 Assert.assertEquals(Integer.reverse(1), 0x80000000);
986 Assert.assertEquals(Integer.reverse(-1), 0xffffffff);
987 Assert.assertEquals(Integer.reverse(0), 0);
988 Assert.assertEquals(Integer.reverse(0x12345678), 0x1e6a2c48);
989 Assert.assertEquals(Integer.reverse(0x87654321), 0x84c2a6e1);
990 Assert.assertEquals(Integer.reverse(Integer.MAX_VALUE), 0xfffffffe);
991 Assert.assertEquals(Integer.reverse(Integer.MIN_VALUE), 1);
992 }
993
994 public static void test_Long_reverse() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800995 Long.reverse(0x1234567812345678L);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100996 Assert.assertEquals(Long.reverse(1L), 0x8000000000000000L);
997 Assert.assertEquals(Long.reverse(-1L), 0xffffffffffffffffL);
998 Assert.assertEquals(Long.reverse(0L), 0L);
Zheng Xua3fe7422014-07-09 14:03:15 +0800999 Assert.assertEquals(Long.reverse(0x1234567812345678L), 0x1e6a2c481e6a2c48L);
1000 Assert.assertEquals(Long.reverse(0x8765432187654321L), 0x84c2a6e184c2a6e1L);
1001 Assert.assertEquals(Long.reverse(Long.MAX_VALUE), 0xfffffffffffffffeL);
Serban Constantinescu23abec92014-07-02 16:13:38 +01001002 Assert.assertEquals(Long.reverse(Long.MIN_VALUE), 1L);
Andreas Gampea0b23bb2015-07-07 13:25:58 -07001003
1004 Assert.assertEquals(test_Long_reverse_b22324327(0xaaaaaaaaaaaaaaaaL, 0x5555555555555555L),
1005 157472205507277347L);
1006 }
1007
1008 // A bit more complicated than the above. Use local variables to stress register allocation.
1009 private static long test_Long_reverse_b22324327(long l1, long l2) {
1010 // A couple of local integers. Use them in a loop, so they get promoted.
1011 int i1 = 0, i2 = 1, i3 = 2, i4 = 3, i5 = 4, i6 = 5, i7 = 6, i8 = 7;
1012 for (int k = 0; k < 10; k++) {
1013 i1 += 1;
1014 i2 += 2;
1015 i3 += 3;
1016 i4 += 4;
1017 i5 += 5;
1018 i6 += 6;
1019 i7 += 7;
1020 i8 += 8;
1021 }
1022
1023 // Do the Long.reverse() calls, save the results.
1024 long r1 = Long.reverse(l1);
1025 long r2 = Long.reverse(l2);
1026
1027 // Some more looping with the ints.
1028 for (int k = 0; k < 10; k++) {
1029 i1 += 1;
1030 i2 += 2;
1031 i3 += 3;
1032 i4 += 4;
1033 i5 += 5;
1034 i6 += 6;
1035 i7 += 7;
1036 i8 += 8;
1037 }
1038
1039 // Include everything in the result, so things are kept live. Try to be a little bit clever to
1040 // avoid things being folded somewhere.
1041 return (r1 / i1) + (r2 / i2) + i3 + i4 + i5 + i6 + i7 + i8;
Serban Constantinescu23abec92014-07-02 16:13:38 +01001042 }
1043
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001044 static Object runtime;
1045 static Method address_of;
Zuo Wangf37a88b2014-07-10 04:26:41 -07001046 static Method new_non_movable_array;
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001047 static Method peek_byte;
1048 static Method peek_short;
1049 static Method peek_int;
1050 static Method peek_long;
1051 static Method poke_byte;
1052 static Method poke_short;
1053 static Method poke_int;
1054 static Method poke_long;
1055
1056 public static void initSupportMethodsForPeekPoke() throws Exception {
1057 Class<?> vm_runtime = Class.forName("dalvik.system.VMRuntime");
1058 Method get_runtime = vm_runtime.getDeclaredMethod("getRuntime");
1059 runtime = get_runtime.invoke(null);
1060 address_of = vm_runtime.getDeclaredMethod("addressOf", Object.class);
Zuo Wangf37a88b2014-07-10 04:26:41 -07001061 new_non_movable_array = vm_runtime.getDeclaredMethod("newNonMovableArray", Class.class, Integer.TYPE);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001062
1063 Class<?> io_memory = Class.forName("libcore.io.Memory");
1064 peek_byte = io_memory.getDeclaredMethod("peekByte", Long.TYPE);
1065 peek_int = io_memory.getDeclaredMethod("peekInt", Long.TYPE, Boolean.TYPE);
1066 peek_short = io_memory.getDeclaredMethod("peekShort", Long.TYPE, Boolean.TYPE);
1067 peek_long = io_memory.getDeclaredMethod("peekLong", Long.TYPE, Boolean.TYPE);
1068 poke_byte = io_memory.getDeclaredMethod("pokeByte", Long.TYPE, Byte.TYPE);
1069 poke_short = io_memory.getDeclaredMethod("pokeShort", Long.TYPE, Short.TYPE, Boolean.TYPE);
1070 poke_int = io_memory.getDeclaredMethod("pokeInt", Long.TYPE, Integer.TYPE, Boolean.TYPE);
1071 poke_long = io_memory.getDeclaredMethod("pokeLong", Long.TYPE, Long.TYPE, Boolean.TYPE);
1072 }
1073
1074 public static void test_Memory_peekByte() throws Exception {
Zuo Wangf37a88b2014-07-10 04:26:41 -07001075 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 2);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001076 b[0] = 0x12;
1077 b[1] = 0x11;
1078 long address = (long)address_of.invoke(runtime, b);
1079 Assert.assertEquals((byte)peek_byte.invoke(null, address), 0x12);
1080 Assert.assertEquals((byte)peek_byte.invoke(null, address + 1), 0x11);
1081 }
1082
1083 public static void test_Memory_peekShort() throws Exception {
Zuo Wangf37a88b2014-07-10 04:26:41 -07001084 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 3);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001085 b[0] = 0x13;
1086 b[1] = 0x12;
1087 b[2] = 0x11;
1088 long address = (long)address_of.invoke(runtime, b);
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001089 peek_short.invoke(null, address, false);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001090 Assert.assertEquals((short)peek_short.invoke(null, address, false), 0x1213); // Aligned read
1091 Assert.assertEquals((short)peek_short.invoke(null, address + 1, false), 0x1112); // Unaligned read
1092 }
1093
1094 public static void test_Memory_peekInt() throws Exception {
Zuo Wangf37a88b2014-07-10 04:26:41 -07001095 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 5);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001096 b[0] = 0x15;
1097 b[1] = 0x14;
1098 b[2] = 0x13;
1099 b[3] = 0x12;
1100 b[4] = 0x11;
1101 long address = (long)address_of.invoke(runtime, b);
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001102 peek_int.invoke(null, address, false);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001103 Assert.assertEquals((int)peek_int.invoke(null, address, false), 0x12131415);
1104 Assert.assertEquals((int)peek_int.invoke(null, address + 1, false), 0x11121314);
1105 }
1106
1107 public static void test_Memory_peekLong() throws Exception {
Zuo Wangf37a88b2014-07-10 04:26:41 -07001108 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 9);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001109 b[0] = 0x19;
1110 b[1] = 0x18;
1111 b[2] = 0x17;
1112 b[3] = 0x16;
1113 b[4] = 0x15;
1114 b[5] = 0x14;
1115 b[6] = 0x13;
1116 b[7] = 0x12;
1117 b[8] = 0x11;
1118 long address = (long)address_of.invoke(runtime, b);
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001119 peek_long.invoke(null, address, false);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001120 Assert.assertEquals((long)peek_long.invoke(null, address, false), 0x1213141516171819L);
1121 Assert.assertEquals((long)peek_long.invoke(null, address + 1, false), 0x1112131415161718L);
1122 }
1123
1124 public static void test_Memory_pokeByte() throws Exception {
1125 byte[] r = {0x11, 0x12};
Zuo Wangf37a88b2014-07-10 04:26:41 -07001126 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 2);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001127 long address = (long)address_of.invoke(runtime, b);
1128 poke_byte.invoke(null, address, (byte)0x11);
1129 poke_byte.invoke(null, address + 1, (byte)0x12);
1130 Assert.assertTrue(Arrays.equals(r, b));
1131 }
1132
1133 public static void test_Memory_pokeShort() throws Exception {
1134 byte[] ra = {0x12, 0x11, 0x13};
1135 byte[] ru = {0x12, 0x22, 0x21};
Zuo Wangf37a88b2014-07-10 04:26:41 -07001136 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 3);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001137 long address = (long)address_of.invoke(runtime, b);
1138
1139 // Aligned write
1140 b[2] = 0x13;
1141 poke_short.invoke(null, address, (short)0x1112, false);
1142 Assert.assertTrue(Arrays.equals(ra, b));
1143
1144 // Unaligned write
1145 poke_short.invoke(null, address + 1, (short)0x2122, false);
1146 Assert.assertTrue(Arrays.equals(ru, b));
1147 }
1148
1149 public static void test_Memory_pokeInt() throws Exception {
1150 byte[] ra = {0x14, 0x13, 0x12, 0x11, 0x15};
1151 byte[] ru = {0x14, 0x24, 0x23, 0x22, 0x21};
Zuo Wangf37a88b2014-07-10 04:26:41 -07001152 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 5);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001153 long address = (long)address_of.invoke(runtime, b);
1154
1155 b[4] = 0x15;
1156 poke_int.invoke(null, address, (int)0x11121314, false);
1157 Assert.assertTrue(Arrays.equals(ra, b));
1158
1159 poke_int.invoke(null, address + 1, (int)0x21222324, false);
1160 Assert.assertTrue(Arrays.equals(ru, b));
1161 }
1162
1163 public static void test_Memory_pokeLong() throws Exception {
1164 byte[] ra = {0x18, 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x19};
1165 byte[] ru = {0x18, 0x28, 0x27, 0x26, 0x25, 0x24, 0x23, 0x22, 0x21};
Zuo Wangf37a88b2014-07-10 04:26:41 -07001166 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 9);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001167 long address = (long)address_of.invoke(runtime, b);
1168
1169 b[8] = 0x19;
1170 poke_long.invoke(null, address, (long)0x1112131415161718L, false);
1171 Assert.assertTrue(Arrays.equals(ra, b));
1172
1173 poke_long.invoke(null, address + 1, (long)0x2122232425262728L, false);
1174 Assert.assertTrue(Arrays.equals(ru, b));
1175 }
jeffhao5d1ac922011-09-29 17:41:15 -07001176}