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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();
Scott Wakeling611d3392015-07-10 11:42:06 +010048 test_Integer_numberOfLeadingZeros();
49 test_Long_numberOfLeadingZeros();
Sebastien Hertzbf1442d2013-03-05 15:12:40 +010050 test_StrictMath_abs_I();
51 test_StrictMath_abs_J();
Serban Constantinescu23abec92014-07-02 16:13:38 +010052 test_StrictMath_min_I();
53 test_StrictMath_max_I();
54 test_StrictMath_min_J();
55 test_StrictMath_max_J();
56 test_StrictMath_min_F();
57 test_StrictMath_max_F();
58 test_StrictMath_min_D();
59 test_StrictMath_max_D();
Chao-ying Fuff87d7b2015-01-19 15:51:57 -080060 test_StrictMath_sqrt();
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +010061 test_StrictMath_ceil();
62 test_StrictMath_floor();
63 test_StrictMath_rint();
64 test_StrictMath_round_D();
65 test_StrictMath_round_F();
Elliott Hughes28c384b2012-06-15 16:46:25 -070066 test_String_charAt();
67 test_String_compareTo();
68 test_String_indexOf();
69 test_String_isEmpty();
70 test_String_length();
Andreas Gampe7a949612014-07-08 11:03:59 -070071 test_Thread_currentThread();
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +070072 initSupportMethodsForPeekPoke();
73 test_Memory_peekByte();
74 test_Memory_peekShort();
75 test_Memory_peekInt();
76 test_Memory_peekLong();
77 test_Memory_pokeByte();
78 test_Memory_pokeShort();
79 test_Memory_pokeInt();
80 test_Memory_pokeLong();
Scott Wakeling9ee23f42015-07-23 10:44:35 +010081 test_Integer_numberOfTrailingZeros();
82 test_Long_numberOfTrailingZeros();
83 test_Integer_rotateRight();
84 test_Long_rotateRight();
85 test_Integer_rotateLeft();
86 test_Long_rotateLeft();
87 test_Integer_rotateRightLeft();
88 test_Long_rotateRightLeft();
Elliott Hughes28c384b2012-06-15 16:46:25 -070089 }
90
Andreas Gampe7a949612014-07-08 11:03:59 -070091 /**
92 * Will test inlining Thread.currentThread().
93 */
94 public static void test_Thread_currentThread() {
95 // 1. Do not use result.
96 Thread.currentThread();
97
98 // 2. Result should not be null.
99 Assert.assertNotNull(Thread.currentThread());
100 }
101
Elliott Hughes28c384b2012-06-15 16:46:25 -0700102 public static void test_String_length() {
103 String str0 = "";
104 String str1 = "x";
105 String str80 = "01234567890123456789012345678901234567890123456789012345678901234567890123456789";
106
107 Assert.assertEquals(str0.length(), 0);
108 Assert.assertEquals(str1.length(), 1);
109 Assert.assertEquals(str80.length(), 80);
110
111 String strNull = null;
112 try {
113 strNull.length();
114 Assert.fail();
115 } catch (NullPointerException expected) {
116 }
117 }
118
119 public static void test_String_isEmpty() {
120 String str0 = "";
121 String str1 = "x";
122
123 Assert.assertTrue(str0.isEmpty());
124 Assert.assertFalse(str1.isEmpty());
125
126 String strNull = null;
127 try {
128 strNull.isEmpty();
129 Assert.fail();
130 } catch (NullPointerException expected) {
131 }
132 }
133
Andreas Gampe71fb52f2014-12-29 17:43:08 -0800134 // Break up the charAt tests. The optimizing compiler doesn't optimize methods with try-catch yet,
135 // so we need to separate out the tests that are expected to throw exception
136
Elliott Hughes28c384b2012-06-15 16:46:25 -0700137 public static void test_String_charAt() {
Andreas Gampe878d58c2015-01-15 23:24:00 -0800138 String testStr = "Now is the time to test some stuff";
Elliott Hughes28c384b2012-06-15 16:46:25 -0700139
Andreas Gampe878d58c2015-01-15 23:24:00 -0800140 Assert.assertEquals(testStr.length() - 1, 33); // 33 = testStr.length()-1 as a constant.
141 Assert.assertEquals('f', testStr.charAt(33));
Elliott Hughes28c384b2012-06-15 16:46:25 -0700142
Andreas Gampe878d58c2015-01-15 23:24:00 -0800143 test_String_charAt(testStr, 'N', 'o', ' ', 'f');
144 test_String_charAt(testStr.substring(3,15), ' ', 'i', 'm', 'e');
145 }
146 public static void test_String_charAt(String testStr, char a, char b, char c, char d) {
147 Assert.assertEquals(a, testStr.charAt(0));
148 Assert.assertEquals(b, testStr.charAt(1));
149 Assert.assertEquals(c, testStr.charAt(10));
150 Assert.assertEquals(d, testStr.charAt(testStr.length()-1));
151
152 test_String_charAtExc(testStr);
153 test_String_charAtExc2(testStr);
Andreas Gampe71fb52f2014-12-29 17:43:08 -0800154 }
155
Andreas Gampe878d58c2015-01-15 23:24:00 -0800156 private static void test_String_charAtExc(String testStr) {
Elliott Hughes28c384b2012-06-15 16:46:25 -0700157 try {
158 testStr.charAt(-1);
159 Assert.fail();
160 } catch (StringIndexOutOfBoundsException expected) {
161 }
162 try {
163 testStr.charAt(80);
164 Assert.fail();
165 } catch (StringIndexOutOfBoundsException expected) {
jeffhao5d1ac922011-09-29 17:41:15 -0700166 }
Vladimir Marko00ca8472015-01-26 14:06:46 +0000167 try {
Andreas Gampe878d58c2015-01-15 23:24:00 -0800168 if (testStr.length() == 34) {
169 testStr.charAt(34); // 34 = "Now is the time to test some stuff".length()
170 } else {
171 Assert.assertEquals(testStr.length(), 12); // 12 = " is the time".length()
172 testStr.charAt(12);
173 }
Vladimir Marko00ca8472015-01-26 14:06:46 +0000174 Assert.fail();
175 } catch (StringIndexOutOfBoundsException expected) {
176 }
177 try {
178 test_String_charAt_inner(testStr, -1);
179 Assert.fail();
180 } catch (StringIndexOutOfBoundsException expected) {
181 }
182 try {
183 test_String_charAt_inner(testStr, 80);
184 Assert.fail();
185 } catch (StringIndexOutOfBoundsException expected) {
186 }
187 try {
Andreas Gampe878d58c2015-01-15 23:24:00 -0800188 if (testStr.length() == 34) {
189 // 34 = "Now is the time to test some stuff".length()
190 test_String_charAt_inner(testStr, 34);
191 } else {
192 Assert.assertEquals(testStr.length(), 12); // 12 = " is the time".length()
193 test_String_charAt_inner(testStr, 12);
194 }
Vladimir Marko00ca8472015-01-26 14:06:46 +0000195 Assert.fail();
196 } catch (StringIndexOutOfBoundsException expected) {
197 }
198
199 String strEmpty = "";
200 try {
201 strEmpty.charAt(0);
202 Assert.fail();
203 } catch (StringIndexOutOfBoundsException expected) {
204 }
jeffhao5d1ac922011-09-29 17:41:15 -0700205
Elliott Hughes28c384b2012-06-15 16:46:25 -0700206 String strNull = null;
207 try {
208 strNull.charAt(0);
209 Assert.fail();
210 } catch (NullPointerException expected) {
jeffhao5d1ac922011-09-29 17:41:15 -0700211 }
Elliott Hughes28c384b2012-06-15 16:46:25 -0700212 }
jeffhao5d1ac922011-09-29 17:41:15 -0700213
Vladimir Marko00ca8472015-01-26 14:06:46 +0000214 private static char test_String_charAt_inner(String s, int index) {
215 // Using non-constant index here (assuming that this method wasn't inlined).
216 return s.charAt(index);
217 }
218
Andreas Gampe878d58c2015-01-15 23:24:00 -0800219 private static void test_String_charAtExc2(String testStr) {
Andreas Gampe71fb52f2014-12-29 17:43:08 -0800220 try {
Andreas Gampe878d58c2015-01-15 23:24:00 -0800221 test_String_charAtExc3(testStr);
222 Assert.fail();
223 } catch (StringIndexOutOfBoundsException expected) {
224 }
225 try {
226 test_String_charAtExc4(testStr);
Andreas Gampe71fb52f2014-12-29 17:43:08 -0800227 Assert.fail();
228 } catch (StringIndexOutOfBoundsException expected) {
229 }
230 }
231
Andreas Gampe878d58c2015-01-15 23:24:00 -0800232 private static void test_String_charAtExc3(String testStr) {
Andreas Gampe71fb52f2014-12-29 17:43:08 -0800233 Assert.assertEquals('N', testStr.charAt(-1));
234 }
235
Andreas Gampe878d58c2015-01-15 23:24:00 -0800236 private static void test_String_charAtExc4(String testStr) {
237 Assert.assertEquals('N', testStr.charAt(100));
238 }
239
Yevgeny Rouban34fa0d92014-03-13 12:15:58 +0700240 static int start;
Alexei Zavjalova1758d82014-04-17 01:55:43 +0700241 private static int[] negIndex = { -100000 };
Elliott Hughes28c384b2012-06-15 16:46:25 -0700242 public static void test_String_indexOf() {
243 String str0 = "";
Yevgeny Rouban34fa0d92014-03-13 12:15:58 +0700244 String str1 = "/";
Elliott Hughes28c384b2012-06-15 16:46:25 -0700245 String str3 = "abc";
246 String str10 = "abcdefghij";
247 String str40 = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabc";
jeffhao5d1ac922011-09-29 17:41:15 -0700248
Elliott Hughes28c384b2012-06-15 16:46:25 -0700249 Assert.assertEquals(str0.indexOf('a'), -1);
250 Assert.assertEquals(str3.indexOf('a'), 0);
251 Assert.assertEquals(str3.indexOf('b'), 1);
252 Assert.assertEquals(str3.indexOf('c'), 2);
253 Assert.assertEquals(str10.indexOf('j'), 9);
254 Assert.assertEquals(str40.indexOf('a'), 0);
255 Assert.assertEquals(str40.indexOf('b'), 38);
256 Assert.assertEquals(str40.indexOf('c'), 39);
257 Assert.assertEquals(str0.indexOf('a',20), -1);
258 Assert.assertEquals(str0.indexOf('a',0), -1);
259 Assert.assertEquals(str0.indexOf('a',-1), -1);
Yevgeny Rouban34fa0d92014-03-13 12:15:58 +0700260 Assert.assertEquals(str1.indexOf('/',++start), -1);
Alexei Zavjalova1758d82014-04-17 01:55:43 +0700261 Assert.assertEquals(str1.indexOf('a',negIndex[0]), -1);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700262 Assert.assertEquals(str3.indexOf('a',0), 0);
263 Assert.assertEquals(str3.indexOf('a',1), -1);
264 Assert.assertEquals(str3.indexOf('a',1234), -1);
265 Assert.assertEquals(str3.indexOf('b',0), 1);
266 Assert.assertEquals(str3.indexOf('b',1), 1);
267 Assert.assertEquals(str3.indexOf('c',2), 2);
268 Assert.assertEquals(str10.indexOf('j',5), 9);
269 Assert.assertEquals(str10.indexOf('j',9), 9);
270 Assert.assertEquals(str40.indexOf('a',10), 10);
271 Assert.assertEquals(str40.indexOf('b',40), -1);
272
Andreas Gampe678e6952015-05-07 16:44:58 -0700273 testIndexOfNull();
274
Andreas Gampe21030dd2015-05-07 14:46:15 -0700275 // Same data as above, but stored so it's not a literal in the next test. -2 stands for
276 // indexOf(I) instead of indexOf(II).
277 start--;
278 int[][] searchData = {
279 { 'a', -2, -1 },
280 { 'a', -2, 0 },
281 { 'b', -2, 1 },
282 { 'c', -2, 2 },
283 { 'j', -2, 9 },
284 { 'a', -2, 0 },
285 { 'b', -2, 38 },
286 { 'c', -2, 39 },
287 { 'a', 20, -1 },
288 { 'a', 0, -1 },
289 { 'a', -1, -1 },
290 { '/', ++start, -1 },
291 { 'a', negIndex[0], -1 },
292 { 'a', 0, 0 },
293 { 'a', 1, -1 },
294 { 'a', 1234, -1 },
295 { 'b', 0, 1 },
296 { 'b', 1, 1 },
297 { 'c', 2, 2 },
298 { 'j', 5, 9 },
299 { 'j', 9, 9 },
300 { 'a', 10, 10 },
301 { 'b', 40, -1 },
302 };
303 testStringIndexOfChars(searchData);
304
Andreas Gampe678e6952015-05-07 16:44:58 -0700305 testSurrogateIndexOf();
306 }
307
Andreas Gampe21030dd2015-05-07 14:46:15 -0700308 private static void testStringIndexOfChars(int[][] searchData) {
309 // Use a try-catch to avoid inlining.
310 try {
311 testStringIndexOfCharsImpl(searchData);
312 } catch (Exception e) {
313 System.out.println("Unexpected exception");
314 }
315 }
316
317 private static void testStringIndexOfCharsImpl(int[][] searchData) {
318 String str0 = "";
319 String str1 = "/";
320 String str3 = "abc";
321 String str10 = "abcdefghij";
322 String str40 = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabc";
323
324 Assert.assertEquals(str0.indexOf(searchData[0][0]), searchData[0][2]);
325 Assert.assertEquals(str3.indexOf(searchData[1][0]), searchData[1][2]);
326 Assert.assertEquals(str3.indexOf(searchData[2][0]), searchData[2][2]);
327 Assert.assertEquals(str3.indexOf(searchData[3][0]), searchData[3][2]);
328 Assert.assertEquals(str10.indexOf(searchData[4][0]), searchData[4][2]);
329 Assert.assertEquals(str40.indexOf(searchData[5][0]), searchData[5][2]);
330 Assert.assertEquals(str40.indexOf(searchData[6][0]), searchData[6][2]);
331 Assert.assertEquals(str40.indexOf(searchData[7][0]), searchData[7][2]);
332 Assert.assertEquals(str0.indexOf(searchData[8][0], searchData[8][1]), searchData[8][2]);
333 Assert.assertEquals(str0.indexOf(searchData[9][0], searchData[9][1]), searchData[9][2]);
334 Assert.assertEquals(str0.indexOf(searchData[10][0], searchData[10][1]), searchData[10][2]);
335 Assert.assertEquals(str1.indexOf(searchData[11][0], searchData[11][1]), searchData[11][2]);
336 Assert.assertEquals(str1.indexOf(searchData[12][0], searchData[12][1]), searchData[12][2]);
337 Assert.assertEquals(str3.indexOf(searchData[13][0], searchData[13][1]), searchData[13][2]);
338 Assert.assertEquals(str3.indexOf(searchData[14][0], searchData[14][1]), searchData[14][2]);
339 Assert.assertEquals(str3.indexOf(searchData[15][0], searchData[15][1]), searchData[15][2]);
340 Assert.assertEquals(str3.indexOf(searchData[16][0], searchData[16][1]), searchData[16][2]);
341 Assert.assertEquals(str3.indexOf(searchData[17][0], searchData[17][1]), searchData[17][2]);
342 Assert.assertEquals(str3.indexOf(searchData[18][0], searchData[18][1]), searchData[18][2]);
343 Assert.assertEquals(str10.indexOf(searchData[19][0], searchData[19][1]), searchData[19][2]);
344 Assert.assertEquals(str10.indexOf(searchData[20][0], searchData[20][1]), searchData[20][2]);
345 Assert.assertEquals(str40.indexOf(searchData[21][0], searchData[21][1]), searchData[21][2]);
346 Assert.assertEquals(str40.indexOf(searchData[22][0], searchData[22][1]), searchData[22][2]);
347 }
348
Andreas Gampe678e6952015-05-07 16:44:58 -0700349 private static void testSurrogateIndexOf() {
350 int supplementaryChar = 0x20b9f;
351 String surrogatePair = "\ud842\udf9f";
352 String stringWithSurrogates = "hello " + surrogatePair + " world";
353
354 Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar), "hello ".length());
355 Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar, 2), "hello ".length());
356 Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar, 6), 6);
357 Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar, 7), -1);
Andreas Gampeba6fdbc2015-05-07 22:31:55 -0700358
359 Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar - 0x10000), -1);
360 Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar | 0x80000000), -1);
Andreas Gampe678e6952015-05-07 16:44:58 -0700361 }
362
363 private static void testIndexOfNull() {
Elliott Hughes28c384b2012-06-15 16:46:25 -0700364 String strNull = null;
365 try {
Andreas Gampe678e6952015-05-07 16:44:58 -0700366 testNullIndex(strNull, 'a');
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 try {
Andreas Gampe678e6952015-05-07 16:44:58 -0700371 testNullIndex(strNull, 'a', 0);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700372 Assert.fail();
373 } catch (NullPointerException expected) {
jeffhao5d1ac922011-09-29 17:41:15 -0700374 }
Elliott Hughes28c384b2012-06-15 16:46:25 -0700375 try {
Andreas Gampe678e6952015-05-07 16:44:58 -0700376 testNullIndex(strNull, 'a', -1);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700377 Assert.fail();
378 } catch (NullPointerException expected) {
jeffhao5d1ac922011-09-29 17:41:15 -0700379 }
Elliott Hughes28c384b2012-06-15 16:46:25 -0700380 }
jeffhao5d1ac922011-09-29 17:41:15 -0700381
Andreas Gampe678e6952015-05-07 16:44:58 -0700382 private static int testNullIndex(String strNull, int c) {
383 return strNull.indexOf(c);
384 }
385
386 private static int testNullIndex(String strNull, int c, int startIndex) {
387 return strNull.indexOf(c, startIndex);
388 }
389
Elliott Hughes28c384b2012-06-15 16:46:25 -0700390 public static void test_String_compareTo() {
391 String test = "0123456789";
392 String test1 = new String("0123456789"); // different object
393 String test2 = new String("0123456780"); // different value
394 String offset = new String("xxx0123456789yyy");
395 String sub = offset.substring(3, 13);
396 String str32 = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
397 String str33 = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxy";
398 String lc = "abcdefg";
399 String uc = "ABCDEFG";
400 Object blah = new Object();
401
402 Assert.assertTrue(lc.toUpperCase().equals(uc));
403
404 Assert.assertEquals(str32.compareTo(str33), -1);
405 Assert.assertEquals(str33.compareTo(str32), 1);
406
407 Assert.assertTrue(test.equals(test));
408 Assert.assertTrue(test.equals(test1));
409 Assert.assertFalse(test.equals(test2));
410
411 Assert.assertEquals(test.compareTo(test1), 0);
412 Assert.assertTrue(test1.compareTo(test2) > 0);
413 Assert.assertTrue(test2.compareTo(test1) < 0);
414
415 // Compare string with a nonzero offset, in left/right side.
416 Assert.assertEquals(test.compareTo(sub), 0);
417 Assert.assertEquals(sub.compareTo(test), 0);
418 Assert.assertTrue(test.equals(sub));
419 Assert.assertTrue(sub.equals(test));
420 // Same base, one is a substring.
421 Assert.assertFalse(offset.equals(sub));
422 Assert.assertFalse(sub.equals(offset));
423 // Wrong class.
424 Assert.assertFalse(test.equals(blah));
425
426 // Null lhs - throw.
427 try {
428 test.compareTo(null);
429 Assert.fail("didn't get expected npe");
430 } catch (NullPointerException npe) {
431 }
432 // Null rhs - okay.
433 Assert.assertFalse(test.equals(null));
434
435 test = test.substring(1);
436 Assert.assertTrue(test.equals("123456789"));
437 Assert.assertFalse(test.equals(test1));
438
439 test = test.substring(1);
440 Assert.assertTrue(test.equals("23456789"));
441
442 test = test.substring(1);
443 Assert.assertTrue(test.equals("3456789"));
444
445 test = test.substring(1);
446 Assert.assertTrue(test.equals("456789"));
447
448 test = test.substring(3,5);
449 Assert.assertTrue(test.equals("78"));
450
451 test = "this/is/a/path";
452 String[] strings = test.split("/");
453 Assert.assertEquals(4, strings.length);
454
455 Assert.assertEquals("this is a path", test.replaceAll("/", " "));
456 Assert.assertEquals("this is a path", test.replace("/", " "));
457 }
458
459 public static void test_Math_abs_I() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800460 Math.abs(-1);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700461 Assert.assertEquals(Math.abs(0), 0);
462 Assert.assertEquals(Math.abs(123), 123);
463 Assert.assertEquals(Math.abs(-123), 123);
464 Assert.assertEquals(Math.abs(Integer.MAX_VALUE), Integer.MAX_VALUE);
465 Assert.assertEquals(Math.abs(Integer.MIN_VALUE), Integer.MIN_VALUE);
466 Assert.assertEquals(Math.abs(Integer.MIN_VALUE - 1), Integer.MAX_VALUE);
Sebastien Hertzbf1442d2013-03-05 15:12:40 +0100467 Assert.assertEquals(Math.abs(Integer.MIN_VALUE + 1), Integer.MAX_VALUE);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700468 }
469
470 public static void test_Math_abs_J() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800471 Math.abs(-1L);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700472 Assert.assertEquals(Math.abs(0L), 0L);
473 Assert.assertEquals(Math.abs(123L), 123L);
474 Assert.assertEquals(Math.abs(-123L), 123L);
475 Assert.assertEquals(Math.abs(Long.MAX_VALUE), Long.MAX_VALUE);
476 Assert.assertEquals(Math.abs(Long.MIN_VALUE), Long.MIN_VALUE);
477 Assert.assertEquals(Math.abs(Long.MIN_VALUE - 1), Long.MAX_VALUE);
Andreas Gampe2bcf9bf2015-01-29 09:56:07 -0800478 Assert.assertEquals(Math.abs(2147483648L), 2147483648L);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700479 }
480
Serban Constantinescu23abec92014-07-02 16:13:38 +0100481 public static void test_Math_min_I() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800482 Math.min(1, 0);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700483 Assert.assertEquals(Math.min(0, 0), 0);
484 Assert.assertEquals(Math.min(1, 0), 0);
485 Assert.assertEquals(Math.min(0, 1), 0);
486 Assert.assertEquals(Math.min(0, Integer.MAX_VALUE), 0);
487 Assert.assertEquals(Math.min(Integer.MIN_VALUE, 0), Integer.MIN_VALUE);
488 Assert.assertEquals(Math.min(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MIN_VALUE);
489 }
490
Serban Constantinescu23abec92014-07-02 16:13:38 +0100491 public static void test_Math_max_I() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800492 Math.max(1, 0);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700493 Assert.assertEquals(Math.max(0, 0), 0);
494 Assert.assertEquals(Math.max(1, 0), 1);
495 Assert.assertEquals(Math.max(0, 1), 1);
496 Assert.assertEquals(Math.max(0, Integer.MAX_VALUE), Integer.MAX_VALUE);
497 Assert.assertEquals(Math.max(Integer.MIN_VALUE, 0), 0);
498 Assert.assertEquals(Math.max(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MAX_VALUE);
499 }
500
Serban Constantinescu23abec92014-07-02 16:13:38 +0100501 public static void test_Math_min_J() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800502 Math.min(1L, 0L);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100503 Assert.assertEquals(Math.min(0L, 0L), 0L);
504 Assert.assertEquals(Math.min(1L, 0L), 0L);
505 Assert.assertEquals(Math.min(0L, 1L), 0L);
506 Assert.assertEquals(Math.min(0L, Long.MAX_VALUE), 0L);
507 Assert.assertEquals(Math.min(Long.MIN_VALUE, 0L), Long.MIN_VALUE);
508 Assert.assertEquals(Math.min(Long.MIN_VALUE, Long.MAX_VALUE), Long.MIN_VALUE);
509 }
510
511 public static void test_Math_max_J() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800512 Math.max(1L, 0L);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100513 Assert.assertEquals(Math.max(0L, 0L), 0L);
514 Assert.assertEquals(Math.max(1L, 0L), 1L);
515 Assert.assertEquals(Math.max(0L, 1L), 1L);
516 Assert.assertEquals(Math.max(0L, Long.MAX_VALUE), Long.MAX_VALUE);
517 Assert.assertEquals(Math.max(Long.MIN_VALUE, 0L), 0L);
518 Assert.assertEquals(Math.max(Long.MIN_VALUE, Long.MAX_VALUE), Long.MAX_VALUE);
519 }
520
521 public static void test_Math_min_F() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800522 Math.min(1.0f, Float.NaN);
Alexei Zavjalov1222c962014-07-16 00:54:13 +0700523 Assert.assertTrue(Float.isNaN(Math.min(1.0f, Float.NaN)));
524 Assert.assertTrue(Float.isNaN(Math.min(Float.NaN, 1.0f)));
525 Assert.assertEquals(Math.min(-0.0f, 0.0f), -0.0f);
526 Assert.assertEquals(Math.min(0.0f, -0.0f), -0.0f);
527 Assert.assertEquals(Math.min(-0.0f, -0.0f), -0.0f);
528 Assert.assertEquals(Math.min(0.0f, 0.0f), 0.0f);
529 Assert.assertEquals(Math.min(1.0f, 0.0f), 0.0f);
530 Assert.assertEquals(Math.min(0.0f, 1.0f), 0.0f);
531 Assert.assertEquals(Math.min(0.0f, Float.MAX_VALUE), 0.0f);
532 Assert.assertEquals(Math.min(Float.MIN_VALUE, 0.0f), 0.0f);
533 Assert.assertEquals(Math.min(Float.MIN_VALUE, Float.MAX_VALUE), Float.MIN_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100534 }
535
536 public static void test_Math_max_F() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800537 Math.max(1.0f, Float.NaN);
Alexei Zavjalov1222c962014-07-16 00:54:13 +0700538 Assert.assertTrue(Float.isNaN(Math.max(1.0f, Float.NaN)));
539 Assert.assertTrue(Float.isNaN(Math.max(Float.NaN, 1.0f)));
540 Assert.assertEquals(Math.max(-0.0f, 0.0f), 0.0f);
541 Assert.assertEquals(Math.max(0.0f, -0.0f), 0.0f);
542 Assert.assertEquals(Math.max(-0.0f, -0.0f), -0.0f);
543 Assert.assertEquals(Math.max(0.0f, 0.0f), 0.0f);
544 Assert.assertEquals(Math.max(1.0f, 0.0f), 1.0f);
545 Assert.assertEquals(Math.max(0.0f, 1.0f), 1.0f);
546 Assert.assertEquals(Math.max(0.0f, Float.MAX_VALUE), Float.MAX_VALUE);
547 Assert.assertEquals(Math.max(Float.MIN_VALUE, 0.0f), Float.MIN_VALUE);
548 Assert.assertEquals(Math.max(Float.MIN_VALUE, Float.MAX_VALUE), Float.MAX_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100549 }
550
551 public static void test_Math_min_D() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800552 Math.min(1.0d, Double.NaN);
Alexei Zavjalov1222c962014-07-16 00:54:13 +0700553 Assert.assertTrue(Double.isNaN(Math.min(1.0d, Double.NaN)));
554 Assert.assertTrue(Double.isNaN(Math.min(Double.NaN, 1.0d)));
555 Assert.assertEquals(Math.min(-0.0d, 0.0d), -0.0d);
556 Assert.assertEquals(Math.min(0.0d, -0.0d), -0.0d);
557 Assert.assertEquals(Math.min(-0.0d, -0.0d), -0.0d);
558 Assert.assertEquals(Math.min(0.0d, 0.0d), 0.0d);
559 Assert.assertEquals(Math.min(1.0d, 0.0d), 0.0d);
560 Assert.assertEquals(Math.min(0.0d, 1.0d), 0.0d);
561 Assert.assertEquals(Math.min(0.0d, Double.MAX_VALUE), 0.0d);
562 Assert.assertEquals(Math.min(Double.MIN_VALUE, 0.0d), 0.0d);
563 Assert.assertEquals(Math.min(Double.MIN_VALUE, Double.MAX_VALUE), Double.MIN_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100564 }
565
566 public static void test_Math_max_D() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800567 Math.max(1.0d, Double.NaN);
Alexei Zavjalov1222c962014-07-16 00:54:13 +0700568 Assert.assertTrue(Double.isNaN(Math.max(1.0d, Double.NaN)));
569 Assert.assertTrue(Double.isNaN(Math.max(Double.NaN, 1.0d)));
570 Assert.assertEquals(Math.max(-0.0d, 0.0d), 0.0d);
571 Assert.assertEquals(Math.max(0.0d, -0.0d), 0.0d);
572 Assert.assertEquals(Math.max(-0.0d, -0.0d), -0.0d);
573 Assert.assertEquals(Math.max(0.0d, 0.0d), 0.0d);
574 Assert.assertEquals(Math.max(1.0d, 0.0d), 1.0d);
575 Assert.assertEquals(Math.max(0.0d, 1.0d), 1.0d);
576 Assert.assertEquals(Math.max(0.0d, Double.MAX_VALUE), Double.MAX_VALUE);
577 Assert.assertEquals(Math.max(Double.MIN_VALUE, 0.0d), Double.MIN_VALUE);
578 Assert.assertEquals(Math.max(Double.MIN_VALUE, Double.MAX_VALUE), Double.MAX_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100579 }
580
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800581 public static void test_Math_sqrt() {
582 Math.sqrt(+4.0);
583 Assert.assertEquals(Math.sqrt(+4.0), +2.0d, 0.0);
584 Assert.assertEquals(Math.sqrt(+49.0), +7.0d, 0.0);
585 Assert.assertEquals(Math.sqrt(+1.44), +1.2d, 0.0);
586 }
587
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100588 public static void test_Math_ceil() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800589 Math.ceil(-0.9);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100590 Assert.assertEquals(Math.ceil(+0.0), +0.0d, 0.0);
591 Assert.assertEquals(Math.ceil(-0.0), -0.0d, 0.0);
592 Assert.assertEquals(Math.ceil(-0.9), -0.0d, 0.0);
593 Assert.assertEquals(Math.ceil(-0.5), -0.0d, 0.0);
594 Assert.assertEquals(Math.ceil(0.0), -0.0d, 0.0);
595 Assert.assertEquals(Math.ceil(+2.0), +2.0d, 0.0);
596 Assert.assertEquals(Math.ceil(+2.1), +3.0d, 0.0);
597 Assert.assertEquals(Math.ceil(+2.5), +3.0d, 0.0);
598 Assert.assertEquals(Math.ceil(+2.9), +3.0d, 0.0);
599 Assert.assertEquals(Math.ceil(+3.0), +3.0d, 0.0);
600 Assert.assertEquals(Math.ceil(-2.0), -2.0d, 0.0);
601 Assert.assertEquals(Math.ceil(-2.1), -2.0d, 0.0);
602 Assert.assertEquals(Math.ceil(-2.5), -2.0d, 0.0);
603 Assert.assertEquals(Math.ceil(-2.9), -2.0d, 0.0);
604 Assert.assertEquals(Math.ceil(-3.0), -3.0d, 0.0);
Chris Larsen82831092015-08-25 09:06:58 -0700605 // 2^52 - 1.5
606 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x432FFFFFFFFFFFFDl)),
607 Double.longBitsToDouble(0x432FFFFFFFFFFFFEl), 0.0);
608 // 2^52 - 0.5
609 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x432FFFFFFFFFFFFFl)),
610 Double.longBitsToDouble(0x4330000000000000l), 0.0);
611 // 2^52
612 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x4330000000000000l)),
613 Double.longBitsToDouble(0x4330000000000000l), 0.0);
614 // 2^53 - 1
615 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x433FFFFFFFFFFFFFl)),
616 Double.longBitsToDouble(0x433FFFFFFFFFFFFFl), 0.0);
617 // 2^53
618 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x4340000000000000l)),
619 Double.longBitsToDouble(0x4340000000000000l), 0.0);
620 // 2^63 - 2^10
621 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x43DFFFFFFFFFFFFFl)),
622 Double.longBitsToDouble(0x43DFFFFFFFFFFFFFl), 0.0);
623 // 2^63
624 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x43E0000000000000l)),
625 Double.longBitsToDouble(0x43E0000000000000l), 0.0);
626 // 2^64
627 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x43F0000000000000l)),
628 Double.longBitsToDouble(0x43F0000000000000l), 0.0);
629 // -(2^52 - 1.5)
630 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC32FFFFFFFFFFFFDl)),
631 Double.longBitsToDouble(0xC32FFFFFFFFFFFFCl), 0.0);
632 // -(2^52 - 0.5)
633 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC32FFFFFFFFFFFFFl)),
634 Double.longBitsToDouble(0xC32FFFFFFFFFFFFEl), 0.0);
635 // -2^52
636 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC330000000000000l)),
637 Double.longBitsToDouble(0xC330000000000000l), 0.0);
638 // -(2^53 - 1)
639 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC33FFFFFFFFFFFFFl)),
640 Double.longBitsToDouble(0xC33FFFFFFFFFFFFFl), 0.0);
641 // -2^53
642 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC340000000000000l)),
643 Double.longBitsToDouble(0xC340000000000000l), 0.0);
644 // -(2^63 - 2^10)
645 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC3DFFFFFFFFFFFFFl)),
646 Double.longBitsToDouble(0xC3DFFFFFFFFFFFFFl), 0.0);
647 // -2^63
648 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC3E0000000000000l)),
649 Double.longBitsToDouble(0xC3E0000000000000l), 0.0);
650 // -2^64
651 Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC3F0000000000000l)),
652 Double.longBitsToDouble(0xC3F0000000000000l), 0.0);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100653 Assert.assertEquals(Math.ceil(Double.NaN), Double.NaN, 0.0);
654 Assert.assertEquals(Math.ceil(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0);
655 Assert.assertEquals(Math.ceil(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0);
656 }
657
658 public static void test_Math_floor() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800659 Math.floor(+2.1);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100660 Assert.assertEquals(Math.floor(+0.0), +0.0d, 0.0);
661 Assert.assertEquals(Math.floor(-0.0), -0.0d, 0.0);
662 Assert.assertEquals(Math.floor(+2.0), +2.0d, 0.0);
663 Assert.assertEquals(Math.floor(+2.1), +2.0d, 0.0);
664 Assert.assertEquals(Math.floor(+2.5), +2.0d, 0.0);
665 Assert.assertEquals(Math.floor(+2.9), +2.0d, 0.0);
666 Assert.assertEquals(Math.floor(+3.0), +3.0d, 0.0);
667 Assert.assertEquals(Math.floor(-2.0), -2.0d, 0.0);
668 Assert.assertEquals(Math.floor(-2.1), -3.0d, 0.0);
669 Assert.assertEquals(Math.floor(-2.5), -3.0d, 0.0);
670 Assert.assertEquals(Math.floor(-2.9), -3.0d, 0.0);
671 Assert.assertEquals(Math.floor(-3.0), -3.0d, 0.0);
Chris Larsen82831092015-08-25 09:06:58 -0700672 // 2^52 - 1.5
673 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x432FFFFFFFFFFFFDl)),
674 Double.longBitsToDouble(0x432FFFFFFFFFFFFCl), 0.0);
675 // 2^52 - 0.5
676 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x432FFFFFFFFFFFFFl)),
677 Double.longBitsToDouble(0x432FFFFFFFFFFFFEl), 0.0);
678 // 2^52
679 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x4330000000000000l)),
680 Double.longBitsToDouble(0x4330000000000000l), 0.0);
681 // 2^53 - 1
682 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x433FFFFFFFFFFFFFl)),
683 Double.longBitsToDouble(0x433FFFFFFFFFFFFFl), 0.0);
684 // 2^53
685 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x4340000000000000l)),
686 Double.longBitsToDouble(0x4340000000000000l), 0.0);
687 // 2^63 - 2^10
688 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x43DFFFFFFFFFFFFFl)),
689 Double.longBitsToDouble(0x43DFFFFFFFFFFFFFl), 0.0);
690 // 2^63
691 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x43E0000000000000l)),
692 Double.longBitsToDouble(0x43E0000000000000l), 0.0);
693 // 2^64
694 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x43F0000000000000l)),
695 Double.longBitsToDouble(0x43F0000000000000l), 0.0);
696 // -(2^52 - 1.5)
697 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC32FFFFFFFFFFFFDl)),
698 Double.longBitsToDouble(0xC32FFFFFFFFFFFFEl), 0.0);
699 // -(2^52 - 0.5)
700 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC32FFFFFFFFFFFFFl)),
701 Double.longBitsToDouble(0xC330000000000000l), 0.0);
702 // -2^52
703 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC330000000000000l)),
704 Double.longBitsToDouble(0xC330000000000000l), 0.0);
705 // -(2^53 - 1)
706 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC33FFFFFFFFFFFFFl)),
707 Double.longBitsToDouble(0xC33FFFFFFFFFFFFFl), 0.0);
708 // -2^53
709 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC340000000000000l)),
710 Double.longBitsToDouble(0xC340000000000000l), 0.0);
711 // -(2^63 - 2^10)
712 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC3DFFFFFFFFFFFFFl)),
713 Double.longBitsToDouble(0xC3DFFFFFFFFFFFFFl), 0.0);
714 // -2^63
715 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC3E0000000000000l)),
716 Double.longBitsToDouble(0xC3E0000000000000l), 0.0);
717 // -2^64
718 Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC3F0000000000000l)),
719 Double.longBitsToDouble(0xC3F0000000000000l), 0.0);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100720 Assert.assertEquals(Math.floor(Double.NaN), Double.NaN, 0.0);
721 Assert.assertEquals(Math.floor(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0);
722 Assert.assertEquals(Math.floor(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0);
723 }
724
725 public static void test_Math_rint() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800726 Math.rint(+2.1);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100727 Assert.assertEquals(Math.rint(+0.0), +0.0d, 0.0);
728 Assert.assertEquals(Math.rint(-0.0), -0.0d, 0.0);
729 Assert.assertEquals(Math.rint(+2.0), +2.0d, 0.0);
730 Assert.assertEquals(Math.rint(+2.1), +2.0d, 0.0);
731 Assert.assertEquals(Math.rint(+2.5), +2.0d, 0.0);
732 Assert.assertEquals(Math.rint(+2.9), +3.0d, 0.0);
733 Assert.assertEquals(Math.rint(+3.0), +3.0d, 0.0);
734 Assert.assertEquals(Math.rint(-2.0), -2.0d, 0.0);
735 Assert.assertEquals(Math.rint(-2.1), -2.0d, 0.0);
736 Assert.assertEquals(Math.rint(-2.5), -2.0d, 0.0);
737 Assert.assertEquals(Math.rint(-2.9), -3.0d, 0.0);
738 Assert.assertEquals(Math.rint(-3.0), -3.0d, 0.0);
Chris Larsen82831092015-08-25 09:06:58 -0700739 // 2^52 - 1.5
740 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x432FFFFFFFFFFFFDl)),
741 Double.longBitsToDouble(0x432FFFFFFFFFFFFCl), 0.0);
742 // 2^52 - 0.5
743 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x432FFFFFFFFFFFFFl)),
744 Double.longBitsToDouble(0x4330000000000000l), 0.0);
745 // 2^52
746 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x4330000000000000l)),
747 Double.longBitsToDouble(0x4330000000000000l), 0.0);
748 // 2^53 - 1
749 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x433FFFFFFFFFFFFFl)),
750 Double.longBitsToDouble(0x433FFFFFFFFFFFFFl), 0.0);
751 // 2^53
752 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x4340000000000000l)),
753 Double.longBitsToDouble(0x4340000000000000l), 0.0);
754 // 2^63 - 2^10
755 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x43DFFFFFFFFFFFFFl)),
756 Double.longBitsToDouble(0x43DFFFFFFFFFFFFFl), 0.0);
757 // 2^63
758 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x43E0000000000000l)),
759 Double.longBitsToDouble(0x43E0000000000000l), 0.0);
760 // 2^64
761 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x43F0000000000000l)),
762 Double.longBitsToDouble(0x43F0000000000000l), 0.0);
763 // -(2^52 - 1.5)
764 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC32FFFFFFFFFFFFDl)),
765 Double.longBitsToDouble(0xC32FFFFFFFFFFFFCl), 0.0);
766 // -(2^52 - 0.5)
767 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC32FFFFFFFFFFFFFl)),
768 Double.longBitsToDouble(0xC330000000000000l), 0.0);
769 // -2^52
770 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC330000000000000l)),
771 Double.longBitsToDouble(0xC330000000000000l), 0.0);
772 // -(2^53 - 1)
773 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC33FFFFFFFFFFFFFl)),
774 Double.longBitsToDouble(0xC33FFFFFFFFFFFFFl), 0.0);
775 // -2^53
776 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC340000000000000l)),
777 Double.longBitsToDouble(0xC340000000000000l), 0.0);
778 // -(2^63 - 2^10)
779 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC3DFFFFFFFFFFFFFl)),
780 Double.longBitsToDouble(0xC3DFFFFFFFFFFFFFl), 0.0);
781 // -2^63
782 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC3E0000000000000l)),
783 Double.longBitsToDouble(0xC3E0000000000000l), 0.0);
784 // -2^64
785 Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC3F0000000000000l)),
786 Double.longBitsToDouble(0xC3F0000000000000l), 0.0);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100787 Assert.assertEquals(Math.rint(Double.NaN), Double.NaN, 0.0);
788 Assert.assertEquals(Math.rint(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0);
789 Assert.assertEquals(Math.rint(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0);
790 }
791
792 public static void test_Math_round_D() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800793 Math.round(2.1d);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100794 Assert.assertEquals(Math.round(+0.0d), (long)+0.0);
795 Assert.assertEquals(Math.round(-0.0d), (long)+0.0);
796 Assert.assertEquals(Math.round(2.0d), 2l);
797 Assert.assertEquals(Math.round(2.1d), 2l);
798 Assert.assertEquals(Math.round(2.5d), 3l);
799 Assert.assertEquals(Math.round(2.9d), 3l);
800 Assert.assertEquals(Math.round(3.0d), 3l);
801 Assert.assertEquals(Math.round(-2.0d), -2l);
802 Assert.assertEquals(Math.round(-2.1d), -2l);
803 Assert.assertEquals(Math.round(-2.5d), -2l);
804 Assert.assertEquals(Math.round(-2.9d), -3l);
805 Assert.assertEquals(Math.round(-3.0d), -3l);
Yi Kong879ca672015-11-18 14:11:44 +0000806 Assert.assertEquals(Math.round(0.49999999999999994d), 0l);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100807 Assert.assertEquals(Math.round(Double.NaN), (long)+0.0d);
808 Assert.assertEquals(Math.round(Long.MAX_VALUE + 1.0d), Long.MAX_VALUE);
809 Assert.assertEquals(Math.round(Long.MIN_VALUE - 1.0d), Long.MIN_VALUE);
810 Assert.assertEquals(Math.round(Double.POSITIVE_INFINITY), Long.MAX_VALUE);
811 Assert.assertEquals(Math.round(Double.NEGATIVE_INFINITY), Long.MIN_VALUE);
812 }
813
814 public static void test_Math_round_F() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800815 Math.round(2.1f);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100816 Assert.assertEquals(Math.round(+0.0f), (int)+0.0);
817 Assert.assertEquals(Math.round(-0.0f), (int)+0.0);
818 Assert.assertEquals(Math.round(2.0f), 2);
819 Assert.assertEquals(Math.round(2.1f), 2);
820 Assert.assertEquals(Math.round(2.5f), 3);
821 Assert.assertEquals(Math.round(2.9f), 3);
822 Assert.assertEquals(Math.round(3.0f), 3);
823 Assert.assertEquals(Math.round(-2.0f), -2);
824 Assert.assertEquals(Math.round(-2.1f), -2);
825 Assert.assertEquals(Math.round(-2.5f), -2);
826 Assert.assertEquals(Math.round(-2.9f), -3);
827 Assert.assertEquals(Math.round(-3.0f), -3);
828 Assert.assertEquals(Math.round(Float.NaN), (int)+0.0f);
829 Assert.assertEquals(Math.round(Integer.MAX_VALUE + 1.0f), Integer.MAX_VALUE);
830 Assert.assertEquals(Math.round(Integer.MIN_VALUE - 1.0f), Integer.MIN_VALUE);
831 Assert.assertEquals(Math.round(Float.POSITIVE_INFINITY), Integer.MAX_VALUE);
832 Assert.assertEquals(Math.round(Float.NEGATIVE_INFINITY), Integer.MIN_VALUE);
833 }
834
Sebastien Hertzbf1442d2013-03-05 15:12:40 +0100835 public static void test_StrictMath_abs_I() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800836 StrictMath.abs(-1);
Sebastien Hertzbf1442d2013-03-05 15:12:40 +0100837 Assert.assertEquals(StrictMath.abs(0), 0);
838 Assert.assertEquals(StrictMath.abs(123), 123);
839 Assert.assertEquals(StrictMath.abs(-123), 123);
840 Assert.assertEquals(StrictMath.abs(Integer.MAX_VALUE), Integer.MAX_VALUE);
841 Assert.assertEquals(StrictMath.abs(Integer.MIN_VALUE), Integer.MIN_VALUE);
842 Assert.assertEquals(StrictMath.abs(Integer.MIN_VALUE - 1), Integer.MAX_VALUE);
843 Assert.assertEquals(StrictMath.abs(Integer.MIN_VALUE + 1), Integer.MAX_VALUE);
844 }
845
846 public static void test_StrictMath_abs_J() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800847 StrictMath.abs(-1L);
Sebastien Hertzbf1442d2013-03-05 15:12:40 +0100848 Assert.assertEquals(StrictMath.abs(0L), 0L);
849 Assert.assertEquals(StrictMath.abs(123L), 123L);
850 Assert.assertEquals(StrictMath.abs(-123L), 123L);
851 Assert.assertEquals(StrictMath.abs(Long.MAX_VALUE), Long.MAX_VALUE);
852 Assert.assertEquals(StrictMath.abs(Long.MIN_VALUE), Long.MIN_VALUE);
853 Assert.assertEquals(StrictMath.abs(Long.MIN_VALUE - 1), Long.MAX_VALUE);
854 }
855
Serban Constantinescu23abec92014-07-02 16:13:38 +0100856 public static void test_StrictMath_min_I() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800857 StrictMath.min(1, 0);
Sebastien Hertzbf1442d2013-03-05 15:12:40 +0100858 Assert.assertEquals(StrictMath.min(0, 0), 0);
859 Assert.assertEquals(StrictMath.min(1, 0), 0);
860 Assert.assertEquals(StrictMath.min(0, 1), 0);
861 Assert.assertEquals(StrictMath.min(0, Integer.MAX_VALUE), 0);
862 Assert.assertEquals(StrictMath.min(Integer.MIN_VALUE, 0), Integer.MIN_VALUE);
863 Assert.assertEquals(StrictMath.min(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MIN_VALUE);
864 }
865
Serban Constantinescu23abec92014-07-02 16:13:38 +0100866 public static void test_StrictMath_max_I() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800867 StrictMath.max(1, 0);
Sebastien Hertzbf1442d2013-03-05 15:12:40 +0100868 Assert.assertEquals(StrictMath.max(0, 0), 0);
869 Assert.assertEquals(StrictMath.max(1, 0), 1);
870 Assert.assertEquals(StrictMath.max(0, 1), 1);
871 Assert.assertEquals(StrictMath.max(0, Integer.MAX_VALUE), Integer.MAX_VALUE);
872 Assert.assertEquals(StrictMath.max(Integer.MIN_VALUE, 0), 0);
873 Assert.assertEquals(StrictMath.max(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MAX_VALUE);
874 }
875
Serban Constantinescu23abec92014-07-02 16:13:38 +0100876 public static void test_StrictMath_min_J() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800877 StrictMath.min(1L, 0L);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100878 Assert.assertEquals(StrictMath.min(0L, 0L), 0L);
879 Assert.assertEquals(StrictMath.min(1L, 0L), 0L);
880 Assert.assertEquals(StrictMath.min(0L, 1L), 0L);
881 Assert.assertEquals(StrictMath.min(0L, Long.MAX_VALUE), 0L);
882 Assert.assertEquals(StrictMath.min(Long.MIN_VALUE, 0L), Long.MIN_VALUE);
883 Assert.assertEquals(StrictMath.min(Long.MIN_VALUE, Long.MAX_VALUE), Long.MIN_VALUE);
884 }
885
886 public static void test_StrictMath_max_J() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800887 StrictMath.max(1L, 0L);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100888 Assert.assertEquals(StrictMath.max(0L, 0L), 0L);
889 Assert.assertEquals(StrictMath.max(1L, 0L), 1L);
890 Assert.assertEquals(StrictMath.max(0L, 1L), 1L);
891 Assert.assertEquals(StrictMath.max(0L, Long.MAX_VALUE), Long.MAX_VALUE);
892 Assert.assertEquals(StrictMath.max(Long.MIN_VALUE, 0L), 0L);
893 Assert.assertEquals(StrictMath.max(Long.MIN_VALUE, Long.MAX_VALUE), Long.MAX_VALUE);
894 }
895
896 public static void test_StrictMath_min_F() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800897 StrictMath.min(1.0f, Float.NaN);
Alexei Zavjalov1222c962014-07-16 00:54:13 +0700898 Assert.assertTrue(Float.isNaN(StrictMath.min(1.0f, Float.NaN)));
899 Assert.assertTrue(Float.isNaN(StrictMath.min(Float.NaN, 1.0f)));
900 Assert.assertEquals(StrictMath.min(-0.0f, 0.0f), -0.0f);
901 Assert.assertEquals(StrictMath.min(0.0f, -0.0f), -0.0f);
902 Assert.assertEquals(StrictMath.min(-0.0f, -0.0f), -0.0f);
903 Assert.assertEquals(StrictMath.min(0.0f, 0.0f), 0.0f);
904 Assert.assertEquals(StrictMath.min(1.0f, 0.0f), 0.0f);
905 Assert.assertEquals(StrictMath.min(0.0f, 1.0f), 0.0f);
906 Assert.assertEquals(StrictMath.min(0.0f, Float.MAX_VALUE), 0.0f);
907 Assert.assertEquals(StrictMath.min(Float.MIN_VALUE, 0.0f), 0.0f);
908 Assert.assertEquals(StrictMath.min(Float.MIN_VALUE, Float.MAX_VALUE), Float.MIN_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100909 }
910
911 public static void test_StrictMath_max_F() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800912 StrictMath.max(1.0f, Float.NaN);
Alexei Zavjalov1222c962014-07-16 00:54:13 +0700913 Assert.assertTrue(Float.isNaN(StrictMath.max(1.0f, Float.NaN)));
914 Assert.assertTrue(Float.isNaN(StrictMath.max(Float.NaN, 1.0f)));
915 Assert.assertEquals(StrictMath.max(-0.0f, 0.0f), 0.0f);
916 Assert.assertEquals(StrictMath.max(0.0f, -0.0f), 0.0f);
917 Assert.assertEquals(StrictMath.max(-0.0f, -0.0f), -0.0f);
918 Assert.assertEquals(StrictMath.max(0.0f, 0.0f), 0.0f);
919 Assert.assertEquals(StrictMath.max(1.0f, 0.0f), 1.0f);
920 Assert.assertEquals(StrictMath.max(0.0f, 1.0f), 1.0f);
921 Assert.assertEquals(StrictMath.max(0.0f, Float.MAX_VALUE), Float.MAX_VALUE);
922 Assert.assertEquals(StrictMath.max(Float.MIN_VALUE, 0.0f), Float.MIN_VALUE);
923 Assert.assertEquals(StrictMath.max(Float.MIN_VALUE, Float.MAX_VALUE), Float.MAX_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100924 }
925
926 public static void test_StrictMath_min_D() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800927 StrictMath.min(1.0d, Double.NaN);
Alexei Zavjalov1222c962014-07-16 00:54:13 +0700928 Assert.assertTrue(Double.isNaN(StrictMath.min(1.0d, Double.NaN)));
929 Assert.assertTrue(Double.isNaN(StrictMath.min(Double.NaN, 1.0d)));
930 Assert.assertEquals(StrictMath.min(-0.0d, 0.0d), -0.0d);
931 Assert.assertEquals(StrictMath.min(0.0d, -0.0d), -0.0d);
932 Assert.assertEquals(StrictMath.min(-0.0d, -0.0d), -0.0d);
933 Assert.assertEquals(StrictMath.min(0.0d, 0.0d), 0.0d);
934 Assert.assertEquals(StrictMath.min(1.0d, 0.0d), 0.0d);
935 Assert.assertEquals(StrictMath.min(0.0d, 1.0d), 0.0d);
936 Assert.assertEquals(StrictMath.min(0.0d, Double.MAX_VALUE), 0.0d);
937 Assert.assertEquals(StrictMath.min(Double.MIN_VALUE, 0.0d), 0.0d);
938 Assert.assertEquals(StrictMath.min(Double.MIN_VALUE, Double.MAX_VALUE), Double.MIN_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100939 }
940
941 public static void test_StrictMath_max_D() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800942 StrictMath.max(1.0d, Double.NaN);
Alexei Zavjalov1222c962014-07-16 00:54:13 +0700943 Assert.assertTrue(Double.isNaN(StrictMath.max(1.0d, Double.NaN)));
944 Assert.assertTrue(Double.isNaN(StrictMath.max(Double.NaN, 1.0d)));
945 Assert.assertEquals(StrictMath.max(-0.0d, 0.0d), 0.0d);
946 Assert.assertEquals(StrictMath.max(0.0d, -0.0d), 0.0d);
947 Assert.assertEquals(StrictMath.max(-0.0d, -0.0d), -0.0d);
948 Assert.assertEquals(StrictMath.max(0.0d, 0.0d), 0.0d);
949 Assert.assertEquals(StrictMath.max(1.0d, 0.0d), 1.0d);
950 Assert.assertEquals(StrictMath.max(0.0d, 1.0d), 1.0d);
951 Assert.assertEquals(StrictMath.max(0.0d, Double.MAX_VALUE), Double.MAX_VALUE);
952 Assert.assertEquals(StrictMath.max(Double.MIN_VALUE, 0.0d), Double.MIN_VALUE);
953 Assert.assertEquals(StrictMath.max(Double.MIN_VALUE, Double.MAX_VALUE), Double.MAX_VALUE);
Serban Constantinescu23abec92014-07-02 16:13:38 +0100954 }
955
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800956 public static void test_StrictMath_sqrt() {
957 StrictMath.sqrt(+4.0);
958 Assert.assertEquals(StrictMath.sqrt(+4.0), +2.0d, 0.0);
959 Assert.assertEquals(StrictMath.sqrt(+49.0), +7.0d, 0.0);
960 Assert.assertEquals(StrictMath.sqrt(+1.44), +1.2d, 0.0);
961 }
962
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100963 public static void test_StrictMath_ceil() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800964 StrictMath.ceil(-0.9);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100965 Assert.assertEquals(StrictMath.ceil(+0.0), +0.0d, 0.0);
966 Assert.assertEquals(StrictMath.ceil(-0.0), -0.0d, 0.0);
967 Assert.assertEquals(StrictMath.ceil(-0.9), -0.0d, 0.0);
968 Assert.assertEquals(StrictMath.ceil(-0.5), -0.0d, 0.0);
969 Assert.assertEquals(StrictMath.ceil(0.0), -0.0d, 0.0);
970 Assert.assertEquals(StrictMath.ceil(+2.0), +2.0d, 0.0);
971 Assert.assertEquals(StrictMath.ceil(+2.1), +3.0d, 0.0);
972 Assert.assertEquals(StrictMath.ceil(+2.5), +3.0d, 0.0);
973 Assert.assertEquals(StrictMath.ceil(+2.9), +3.0d, 0.0);
974 Assert.assertEquals(StrictMath.ceil(+3.0), +3.0d, 0.0);
975 Assert.assertEquals(StrictMath.ceil(-2.0), -2.0d, 0.0);
976 Assert.assertEquals(StrictMath.ceil(-2.1), -2.0d, 0.0);
977 Assert.assertEquals(StrictMath.ceil(-2.5), -2.0d, 0.0);
978 Assert.assertEquals(StrictMath.ceil(-2.9), -2.0d, 0.0);
979 Assert.assertEquals(StrictMath.ceil(-3.0), -3.0d, 0.0);
980 Assert.assertEquals(StrictMath.ceil(Double.NaN), Double.NaN, 0.0);
981 Assert.assertEquals(StrictMath.ceil(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0);
982 Assert.assertEquals(StrictMath.ceil(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0);
983 }
984
985 public static void test_StrictMath_floor() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -0800986 StrictMath.floor(+2.1);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +0100987 Assert.assertEquals(StrictMath.floor(+0.0), +0.0d, 0.0);
988 Assert.assertEquals(StrictMath.floor(-0.0), -0.0d, 0.0);
989 Assert.assertEquals(StrictMath.floor(+2.0), +2.0d, 0.0);
990 Assert.assertEquals(StrictMath.floor(+2.1), +2.0d, 0.0);
991 Assert.assertEquals(StrictMath.floor(+2.5), +2.0d, 0.0);
992 Assert.assertEquals(StrictMath.floor(+2.9), +2.0d, 0.0);
993 Assert.assertEquals(StrictMath.floor(+3.0), +3.0d, 0.0);
994 Assert.assertEquals(StrictMath.floor(-2.0), -2.0d, 0.0);
995 Assert.assertEquals(StrictMath.floor(-2.1), -3.0d, 0.0);
996 Assert.assertEquals(StrictMath.floor(-2.5), -3.0d, 0.0);
997 Assert.assertEquals(StrictMath.floor(-2.9), -3.0d, 0.0);
998 Assert.assertEquals(StrictMath.floor(-3.0), -3.0d, 0.0);
999 Assert.assertEquals(StrictMath.floor(Double.NaN), Double.NaN, 0.0);
1000 Assert.assertEquals(StrictMath.floor(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0);
1001 Assert.assertEquals(StrictMath.floor(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0);
1002 }
1003
1004 public static void test_StrictMath_rint() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001005 StrictMath.rint(+2.1);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +01001006 Assert.assertEquals(StrictMath.rint(+0.0), +0.0d, 0.0);
1007 Assert.assertEquals(StrictMath.rint(-0.0), -0.0d, 0.0);
1008 Assert.assertEquals(StrictMath.rint(+2.0), +2.0d, 0.0);
1009 Assert.assertEquals(StrictMath.rint(+2.1), +2.0d, 0.0);
1010 Assert.assertEquals(StrictMath.rint(+2.5), +2.0d, 0.0);
1011 Assert.assertEquals(StrictMath.rint(+2.9), +3.0d, 0.0);
1012 Assert.assertEquals(StrictMath.rint(+3.0), +3.0d, 0.0);
1013 Assert.assertEquals(StrictMath.rint(-2.0), -2.0d, 0.0);
1014 Assert.assertEquals(StrictMath.rint(-2.1), -2.0d, 0.0);
1015 Assert.assertEquals(StrictMath.rint(-2.5), -2.0d, 0.0);
1016 Assert.assertEquals(StrictMath.rint(-2.9), -3.0d, 0.0);
1017 Assert.assertEquals(StrictMath.rint(-3.0), -3.0d, 0.0);
1018 Assert.assertEquals(StrictMath.rint(Double.NaN), Double.NaN, 0.0);
1019 Assert.assertEquals(StrictMath.rint(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0);
1020 Assert.assertEquals(StrictMath.rint(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0);
1021 }
1022
1023 public static void test_StrictMath_round_D() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001024 StrictMath.round(2.1d);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +01001025 Assert.assertEquals(StrictMath.round(+0.0d), (long)+0.0);
1026 Assert.assertEquals(StrictMath.round(-0.0d), (long)+0.0);
1027 Assert.assertEquals(StrictMath.round(2.0d), 2l);
1028 Assert.assertEquals(StrictMath.round(2.1d), 2l);
1029 Assert.assertEquals(StrictMath.round(2.5d), 3l);
1030 Assert.assertEquals(StrictMath.round(2.9d), 3l);
1031 Assert.assertEquals(StrictMath.round(3.0d), 3l);
1032 Assert.assertEquals(StrictMath.round(-2.0d), -2l);
1033 Assert.assertEquals(StrictMath.round(-2.1d), -2l);
1034 Assert.assertEquals(StrictMath.round(-2.5d), -2l);
1035 Assert.assertEquals(StrictMath.round(-2.9d), -3l);
1036 Assert.assertEquals(StrictMath.round(-3.0d), -3l);
Yi Kong879ca672015-11-18 14:11:44 +00001037 Assert.assertEquals(StrictMath.round(0.49999999999999994d), 0l);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +01001038 Assert.assertEquals(StrictMath.round(Double.NaN), (long)+0.0d);
1039 Assert.assertEquals(StrictMath.round(Long.MAX_VALUE + 1.0d), Long.MAX_VALUE);
1040 Assert.assertEquals(StrictMath.round(Long.MIN_VALUE - 1.0d), Long.MIN_VALUE);
1041 Assert.assertEquals(StrictMath.round(Double.POSITIVE_INFINITY), Long.MAX_VALUE);
1042 Assert.assertEquals(StrictMath.round(Double.NEGATIVE_INFINITY), Long.MIN_VALUE);
1043 }
1044
1045 public static void test_StrictMath_round_F() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001046 StrictMath.round(2.1f);
Serban Constantinescu2eba1fa2014-07-31 19:07:17 +01001047 Assert.assertEquals(StrictMath.round(+0.0f), (int)+0.0);
1048 Assert.assertEquals(StrictMath.round(-0.0f), (int)+0.0);
1049 Assert.assertEquals(StrictMath.round(2.0f), 2);
1050 Assert.assertEquals(StrictMath.round(2.1f), 2);
1051 Assert.assertEquals(StrictMath.round(2.5f), 3);
1052 Assert.assertEquals(StrictMath.round(2.9f), 3);
1053 Assert.assertEquals(StrictMath.round(3.0f), 3);
1054 Assert.assertEquals(StrictMath.round(-2.0f), -2);
1055 Assert.assertEquals(StrictMath.round(-2.1f), -2);
1056 Assert.assertEquals(StrictMath.round(-2.5f), -2);
1057 Assert.assertEquals(StrictMath.round(-2.9f), -3);
1058 Assert.assertEquals(StrictMath.round(-3.0f), -3);
1059 Assert.assertEquals(StrictMath.round(Float.NaN), (int)+0.0f);
1060 Assert.assertEquals(StrictMath.round(Integer.MAX_VALUE + 1.0f), Integer.MAX_VALUE);
1061 Assert.assertEquals(StrictMath.round(Integer.MIN_VALUE - 1.0f), Integer.MIN_VALUE);
1062 Assert.assertEquals(StrictMath.round(Float.POSITIVE_INFINITY), Integer.MAX_VALUE);
1063 Assert.assertEquals(StrictMath.round(Float.NEGATIVE_INFINITY), Integer.MIN_VALUE);
1064 }
1065
Elliott Hughes28c384b2012-06-15 16:46:25 -07001066 public static void test_Float_floatToRawIntBits() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001067 Float.floatToRawIntBits(-1.0f);
Elliott Hughes28c384b2012-06-15 16:46:25 -07001068 Assert.assertEquals(Float.floatToRawIntBits(-1.0f), 0xbf800000);
1069 Assert.assertEquals(Float.floatToRawIntBits(0.0f), 0);
1070 Assert.assertEquals(Float.floatToRawIntBits(1.0f), 0x3f800000);
1071 Assert.assertEquals(Float.floatToRawIntBits(Float.NaN), 0x7fc00000);
1072 Assert.assertEquals(Float.floatToRawIntBits(Float.POSITIVE_INFINITY), 0x7f800000);
1073 Assert.assertEquals(Float.floatToRawIntBits(Float.NEGATIVE_INFINITY), 0xff800000);
1074 }
1075
1076 public static void test_Float_intBitsToFloat() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001077 Float.intBitsToFloat(0xbf800000);
Elliott Hughes28c384b2012-06-15 16:46:25 -07001078 Assert.assertEquals(Float.intBitsToFloat(0xbf800000), -1.0f);
1079 Assert.assertEquals(Float.intBitsToFloat(0x00000000), 0.0f);
1080 Assert.assertEquals(Float.intBitsToFloat(0x3f800000), 1.0f);
1081 Assert.assertEquals(Float.intBitsToFloat(0x7fc00000), Float.NaN);
1082 Assert.assertEquals(Float.intBitsToFloat(0x7f800000), Float.POSITIVE_INFINITY);
1083 Assert.assertEquals(Float.intBitsToFloat(0xff800000), Float.NEGATIVE_INFINITY);
1084 }
1085
1086 public static void test_Double_doubleToRawLongBits() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001087 Double.doubleToRawLongBits(-1.0);
Elliott Hughes28c384b2012-06-15 16:46:25 -07001088 Assert.assertEquals(Double.doubleToRawLongBits(-1.0), 0xbff0000000000000L);
1089 Assert.assertEquals(Double.doubleToRawLongBits(0.0), 0x0000000000000000L);
1090 Assert.assertEquals(Double.doubleToRawLongBits(1.0), 0x3ff0000000000000L);
1091 Assert.assertEquals(Double.doubleToRawLongBits(Double.NaN), 0x7ff8000000000000L);
1092 Assert.assertEquals(Double.doubleToRawLongBits(Double.POSITIVE_INFINITY), 0x7ff0000000000000L);
1093 Assert.assertEquals(Double.doubleToRawLongBits(Double.NEGATIVE_INFINITY), 0xfff0000000000000L);
1094 }
1095
1096 public static void test_Double_longBitsToDouble() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001097 Double.longBitsToDouble(0xbff0000000000000L);
Elliott Hughes28c384b2012-06-15 16:46:25 -07001098 Assert.assertEquals(Double.longBitsToDouble(0xbff0000000000000L), -1.0);
1099 Assert.assertEquals(Double.longBitsToDouble(0x0000000000000000L), 0.0);
1100 Assert.assertEquals(Double.longBitsToDouble(0x3ff0000000000000L), 1.0);
1101 Assert.assertEquals(Double.longBitsToDouble(0x7ff8000000000000L), Double.NaN);
1102 Assert.assertEquals(Double.longBitsToDouble(0x7ff0000000000000L), Double.POSITIVE_INFINITY);
1103 Assert.assertEquals(Double.longBitsToDouble(0xfff0000000000000L), Double.NEGATIVE_INFINITY);
1104 }
Serban Constantinescu23abec92014-07-02 16:13:38 +01001105
Zheng Xua3fe7422014-07-09 14:03:15 +08001106 public static void test_Short_reverseBytes() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001107 Short.reverseBytes((short)0x1357);
Zheng Xua3fe7422014-07-09 14:03:15 +08001108 Assert.assertEquals(Short.reverseBytes((short)0x0000), (short)0x0000);
1109 Assert.assertEquals(Short.reverseBytes((short)0xffff), (short)0xffff);
1110 Assert.assertEquals(Short.reverseBytes((short)0x8000), (short)0x0080);
1111 Assert.assertEquals(Short.reverseBytes((short)0x0080), (short)0x8000);
1112 Assert.assertEquals(Short.reverseBytes((short)0x0123), (short)0x2301);
1113 Assert.assertEquals(Short.reverseBytes((short)0x4567), (short)0x6745);
1114 Assert.assertEquals(Short.reverseBytes((short)0x89ab), (short)0xab89);
1115 Assert.assertEquals(Short.reverseBytes((short)0xcdef), (short)0xefcd);
1116 }
1117
1118 public static void test_Integer_reverseBytes() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001119 Integer.reverseBytes(0x13579bdf);
Zheng Xua3fe7422014-07-09 14:03:15 +08001120 Assert.assertEquals(Integer.reverseBytes(0x00000000), 0x00000000);
1121 Assert.assertEquals(Integer.reverseBytes(0xffffffff), 0xffffffff);
1122 Assert.assertEquals(Integer.reverseBytes(0x80000000), 0x00000080);
1123 Assert.assertEquals(Integer.reverseBytes(0x00000080), 0x80000000);
1124 Assert.assertEquals(Integer.reverseBytes(0x01234567), 0x67452301);
1125 Assert.assertEquals(Integer.reverseBytes(0x89abcdef), 0xefcdab89);
1126 }
1127
1128 public static void test_Long_reverseBytes() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001129 Long.reverseBytes(0x13579bdf2468ace0L);
Zheng Xua3fe7422014-07-09 14:03:15 +08001130 Assert.assertEquals(Long.reverseBytes(0x0000000000000000L), 0x0000000000000000L);
1131 Assert.assertEquals(Long.reverseBytes(0xffffffffffffffffL), 0xffffffffffffffffL);
1132 Assert.assertEquals(Long.reverseBytes(0x8000000000000000L), 0x0000000000000080L);
1133 Assert.assertEquals(Long.reverseBytes(0x0000000000000080L), 0x8000000000000000L);
1134 Assert.assertEquals(Long.reverseBytes(0x0123456789abcdefL), 0xefcdab8967452301L);
1135 }
1136
Serban Constantinescu23abec92014-07-02 16:13:38 +01001137 public static void test_Integer_reverse() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001138 Integer.reverse(0x12345678);
Serban Constantinescu23abec92014-07-02 16:13:38 +01001139 Assert.assertEquals(Integer.reverse(1), 0x80000000);
1140 Assert.assertEquals(Integer.reverse(-1), 0xffffffff);
1141 Assert.assertEquals(Integer.reverse(0), 0);
1142 Assert.assertEquals(Integer.reverse(0x12345678), 0x1e6a2c48);
1143 Assert.assertEquals(Integer.reverse(0x87654321), 0x84c2a6e1);
1144 Assert.assertEquals(Integer.reverse(Integer.MAX_VALUE), 0xfffffffe);
1145 Assert.assertEquals(Integer.reverse(Integer.MIN_VALUE), 1);
1146 }
1147
1148 public static void test_Long_reverse() {
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001149 Long.reverse(0x1234567812345678L);
Serban Constantinescu23abec92014-07-02 16:13:38 +01001150 Assert.assertEquals(Long.reverse(1L), 0x8000000000000000L);
1151 Assert.assertEquals(Long.reverse(-1L), 0xffffffffffffffffL);
1152 Assert.assertEquals(Long.reverse(0L), 0L);
Zheng Xua3fe7422014-07-09 14:03:15 +08001153 Assert.assertEquals(Long.reverse(0x1234567812345678L), 0x1e6a2c481e6a2c48L);
1154 Assert.assertEquals(Long.reverse(0x8765432187654321L), 0x84c2a6e184c2a6e1L);
1155 Assert.assertEquals(Long.reverse(Long.MAX_VALUE), 0xfffffffffffffffeL);
Serban Constantinescu23abec92014-07-02 16:13:38 +01001156 Assert.assertEquals(Long.reverse(Long.MIN_VALUE), 1L);
Andreas Gampe575422f2015-07-07 13:25:58 -07001157
1158 Assert.assertEquals(test_Long_reverse_b22324327(0xaaaaaaaaaaaaaaaaL, 0x5555555555555555L),
1159 157472205507277347L);
1160 }
1161
1162 // A bit more complicated than the above. Use local variables to stress register allocation.
1163 private static long test_Long_reverse_b22324327(long l1, long l2) {
1164 // A couple of local integers. Use them in a loop, so they get promoted.
1165 int i1 = 0, i2 = 1, i3 = 2, i4 = 3, i5 = 4, i6 = 5, i7 = 6, i8 = 7;
1166 for (int k = 0; k < 10; k++) {
1167 i1 += 1;
1168 i2 += 2;
1169 i3 += 3;
1170 i4 += 4;
1171 i5 += 5;
1172 i6 += 6;
1173 i7 += 7;
1174 i8 += 8;
1175 }
1176
1177 // Do the Long.reverse() calls, save the results.
1178 long r1 = Long.reverse(l1);
1179 long r2 = Long.reverse(l2);
1180
1181 // Some more looping with the ints.
1182 for (int k = 0; k < 10; k++) {
1183 i1 += 1;
1184 i2 += 2;
1185 i3 += 3;
1186 i4 += 4;
1187 i5 += 5;
1188 i6 += 6;
1189 i7 += 7;
1190 i8 += 8;
1191 }
1192
1193 // Include everything in the result, so things are kept live. Try to be a little bit clever to
1194 // avoid things being folded somewhere.
1195 return (r1 / i1) + (r2 / i2) + i3 + i4 + i5 + i6 + i7 + i8;
Serban Constantinescu23abec92014-07-02 16:13:38 +01001196 }
1197
Mark Mendelld5897672015-08-12 21:16:41 -04001198 public static boolean doThrow = false;
1199
1200 public static int $noinline$return_int_zero() {
1201 if (doThrow) {
1202 throw new Error();
1203 }
1204 return 0;
1205 }
1206
Scott Wakeling611d3392015-07-10 11:42:06 +01001207 public static void test_Integer_numberOfLeadingZeros() {
1208 Assert.assertEquals(Integer.numberOfLeadingZeros(0), Integer.SIZE);
Mark Mendelld5897672015-08-12 21:16:41 -04001209 Assert.assertEquals(Integer.numberOfLeadingZeros(1), Integer.SIZE - 1);
1210 Assert.assertEquals(Integer.numberOfLeadingZeros(1 << (Integer.SIZE-1)), 0);
1211 Assert.assertEquals(Integer.numberOfLeadingZeros($noinline$return_int_zero()), Integer.SIZE);
Scott Wakeling611d3392015-07-10 11:42:06 +01001212 for (int i = 0; i < Integer.SIZE; i++) {
1213 Assert.assertEquals(Integer.numberOfLeadingZeros(1 << i), Integer.SIZE - 1 - i);
1214 Assert.assertEquals(Integer.numberOfLeadingZeros((1 << i) | 1), Integer.SIZE - 1 - i);
1215 Assert.assertEquals(Integer.numberOfLeadingZeros(0xFFFFFFFF >>> i), i);
1216 }
1217 }
1218
Mark Mendelld5897672015-08-12 21:16:41 -04001219 public static long $noinline$return_long_zero() {
1220 if (doThrow) {
1221 throw new Error();
1222 }
1223 return 0;
1224 }
1225
Scott Wakeling611d3392015-07-10 11:42:06 +01001226 public static void test_Long_numberOfLeadingZeros() {
1227 Assert.assertEquals(Long.numberOfLeadingZeros(0L), Long.SIZE);
Mark Mendelld5897672015-08-12 21:16:41 -04001228 Assert.assertEquals(Long.numberOfLeadingZeros(1L), Long.SIZE - 1);
1229 Assert.assertEquals(Long.numberOfLeadingZeros(1L << ((Long.SIZE/2)-1)), Long.SIZE/2);
1230 Assert.assertEquals(Long.numberOfLeadingZeros(1L << (Long.SIZE-1)), 0);
1231 Assert.assertEquals(Long.numberOfLeadingZeros($noinline$return_long_zero()), Long.SIZE);
Scott Wakeling611d3392015-07-10 11:42:06 +01001232 for (int i = 0; i < Long.SIZE; i++) {
1233 Assert.assertEquals(Long.numberOfLeadingZeros(1L << i), Long.SIZE - 1 - i);
1234 Assert.assertEquals(Long.numberOfLeadingZeros((1L << i) | 1L), Long.SIZE - 1 - i);
1235 Assert.assertEquals(Long.numberOfLeadingZeros(0xFFFFFFFFFFFFFFFFL >>> i), i);
1236 }
1237 }
1238
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001239 static Object runtime;
1240 static Method address_of;
Zuo Wangf37a88b2014-07-10 04:26:41 -07001241 static Method new_non_movable_array;
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001242 static Method peek_byte;
1243 static Method peek_short;
1244 static Method peek_int;
1245 static Method peek_long;
1246 static Method poke_byte;
1247 static Method poke_short;
1248 static Method poke_int;
1249 static Method poke_long;
1250
1251 public static void initSupportMethodsForPeekPoke() throws Exception {
1252 Class<?> vm_runtime = Class.forName("dalvik.system.VMRuntime");
1253 Method get_runtime = vm_runtime.getDeclaredMethod("getRuntime");
1254 runtime = get_runtime.invoke(null);
1255 address_of = vm_runtime.getDeclaredMethod("addressOf", Object.class);
Zuo Wangf37a88b2014-07-10 04:26:41 -07001256 new_non_movable_array = vm_runtime.getDeclaredMethod("newNonMovableArray", Class.class, Integer.TYPE);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001257
1258 Class<?> io_memory = Class.forName("libcore.io.Memory");
1259 peek_byte = io_memory.getDeclaredMethod("peekByte", Long.TYPE);
1260 peek_int = io_memory.getDeclaredMethod("peekInt", Long.TYPE, Boolean.TYPE);
1261 peek_short = io_memory.getDeclaredMethod("peekShort", Long.TYPE, Boolean.TYPE);
1262 peek_long = io_memory.getDeclaredMethod("peekLong", Long.TYPE, Boolean.TYPE);
1263 poke_byte = io_memory.getDeclaredMethod("pokeByte", Long.TYPE, Byte.TYPE);
1264 poke_short = io_memory.getDeclaredMethod("pokeShort", Long.TYPE, Short.TYPE, Boolean.TYPE);
1265 poke_int = io_memory.getDeclaredMethod("pokeInt", Long.TYPE, Integer.TYPE, Boolean.TYPE);
1266 poke_long = io_memory.getDeclaredMethod("pokeLong", Long.TYPE, Long.TYPE, Boolean.TYPE);
1267 }
1268
1269 public static void test_Memory_peekByte() throws Exception {
Zuo Wangf37a88b2014-07-10 04:26:41 -07001270 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 2);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001271 b[0] = 0x12;
1272 b[1] = 0x11;
1273 long address = (long)address_of.invoke(runtime, b);
1274 Assert.assertEquals((byte)peek_byte.invoke(null, address), 0x12);
1275 Assert.assertEquals((byte)peek_byte.invoke(null, address + 1), 0x11);
1276 }
1277
1278 public static void test_Memory_peekShort() throws Exception {
Zuo Wangf37a88b2014-07-10 04:26:41 -07001279 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 3);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001280 b[0] = 0x13;
1281 b[1] = 0x12;
1282 b[2] = 0x11;
1283 long address = (long)address_of.invoke(runtime, b);
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001284 peek_short.invoke(null, address, false);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001285 Assert.assertEquals((short)peek_short.invoke(null, address, false), 0x1213); // Aligned read
1286 Assert.assertEquals((short)peek_short.invoke(null, address + 1, false), 0x1112); // Unaligned read
1287 }
1288
1289 public static void test_Memory_peekInt() throws Exception {
Zuo Wangf37a88b2014-07-10 04:26:41 -07001290 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 5);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001291 b[0] = 0x15;
1292 b[1] = 0x14;
1293 b[2] = 0x13;
1294 b[3] = 0x12;
1295 b[4] = 0x11;
1296 long address = (long)address_of.invoke(runtime, b);
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001297 peek_int.invoke(null, address, false);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001298 Assert.assertEquals((int)peek_int.invoke(null, address, false), 0x12131415);
1299 Assert.assertEquals((int)peek_int.invoke(null, address + 1, false), 0x11121314);
1300 }
1301
1302 public static void test_Memory_peekLong() throws Exception {
Zuo Wangf37a88b2014-07-10 04:26:41 -07001303 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 9);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001304 b[0] = 0x19;
1305 b[1] = 0x18;
1306 b[2] = 0x17;
1307 b[3] = 0x16;
1308 b[4] = 0x15;
1309 b[5] = 0x14;
1310 b[6] = 0x13;
1311 b[7] = 0x12;
1312 b[8] = 0x11;
1313 long address = (long)address_of.invoke(runtime, b);
Chao-ying Fuff87d7b2015-01-19 15:51:57 -08001314 peek_long.invoke(null, address, false);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001315 Assert.assertEquals((long)peek_long.invoke(null, address, false), 0x1213141516171819L);
1316 Assert.assertEquals((long)peek_long.invoke(null, address + 1, false), 0x1112131415161718L);
1317 }
1318
1319 public static void test_Memory_pokeByte() throws Exception {
1320 byte[] r = {0x11, 0x12};
Zuo Wangf37a88b2014-07-10 04:26:41 -07001321 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 2);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001322 long address = (long)address_of.invoke(runtime, b);
1323 poke_byte.invoke(null, address, (byte)0x11);
1324 poke_byte.invoke(null, address + 1, (byte)0x12);
1325 Assert.assertTrue(Arrays.equals(r, b));
1326 }
1327
1328 public static void test_Memory_pokeShort() throws Exception {
1329 byte[] ra = {0x12, 0x11, 0x13};
1330 byte[] ru = {0x12, 0x22, 0x21};
Zuo Wangf37a88b2014-07-10 04:26:41 -07001331 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 3);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001332 long address = (long)address_of.invoke(runtime, b);
1333
1334 // Aligned write
1335 b[2] = 0x13;
1336 poke_short.invoke(null, address, (short)0x1112, false);
1337 Assert.assertTrue(Arrays.equals(ra, b));
1338
1339 // Unaligned write
1340 poke_short.invoke(null, address + 1, (short)0x2122, false);
1341 Assert.assertTrue(Arrays.equals(ru, b));
1342 }
1343
1344 public static void test_Memory_pokeInt() throws Exception {
1345 byte[] ra = {0x14, 0x13, 0x12, 0x11, 0x15};
1346 byte[] ru = {0x14, 0x24, 0x23, 0x22, 0x21};
Zuo Wangf37a88b2014-07-10 04:26:41 -07001347 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 5);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001348 long address = (long)address_of.invoke(runtime, b);
1349
1350 b[4] = 0x15;
1351 poke_int.invoke(null, address, (int)0x11121314, false);
1352 Assert.assertTrue(Arrays.equals(ra, b));
1353
1354 poke_int.invoke(null, address + 1, (int)0x21222324, false);
1355 Assert.assertTrue(Arrays.equals(ru, b));
1356 }
1357
1358 public static void test_Memory_pokeLong() throws Exception {
1359 byte[] ra = {0x18, 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x19};
1360 byte[] ru = {0x18, 0x28, 0x27, 0x26, 0x25, 0x24, 0x23, 0x22, 0x21};
Zuo Wangf37a88b2014-07-10 04:26:41 -07001361 byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 9);
Alexei Zavjaloveb24bae2014-07-08 16:27:17 +07001362 long address = (long)address_of.invoke(runtime, b);
1363
1364 b[8] = 0x19;
1365 poke_long.invoke(null, address, (long)0x1112131415161718L, false);
1366 Assert.assertTrue(Arrays.equals(ra, b));
1367
1368 poke_long.invoke(null, address + 1, (long)0x2122232425262728L, false);
1369 Assert.assertTrue(Arrays.equals(ru, b));
1370 }
Scott Wakeling9ee23f42015-07-23 10:44:35 +01001371
1372 public static void test_Integer_numberOfTrailingZeros() {
1373 Assert.assertEquals(Integer.numberOfTrailingZeros(0), Integer.SIZE);
1374 for (int i = 0; i < Integer.SIZE; i++) {
1375 Assert.assertEquals(
1376 Integer.numberOfTrailingZeros(0x80000000 >> i),
1377 Integer.SIZE - 1 - i);
1378 Assert.assertEquals(
1379 Integer.numberOfTrailingZeros((0x80000000 >> i) | 0x80000000),
1380 Integer.SIZE - 1 - i);
1381 Assert.assertEquals(Integer.numberOfTrailingZeros(1 << i), i);
1382 }
1383 }
1384
1385 public static void test_Long_numberOfTrailingZeros() {
1386 Assert.assertEquals(Long.numberOfTrailingZeros(0), Long.SIZE);
1387 for (int i = 0; i < Long.SIZE; i++) {
1388 Assert.assertEquals(
1389 Long.numberOfTrailingZeros(0x8000000000000000L >> i),
1390 Long.SIZE - 1 - i);
1391 Assert.assertEquals(
1392 Long.numberOfTrailingZeros((0x8000000000000000L >> i) | 0x8000000000000000L),
1393 Long.SIZE - 1 - i);
1394 Assert.assertEquals(Long.numberOfTrailingZeros(1L << i), i);
1395 }
1396 }
1397
1398 public static void test_Integer_rotateRight() throws Exception {
1399 Assert.assertEquals(Integer.rotateRight(0x11, 0), 0x11);
1400
1401 Assert.assertEquals(Integer.rotateRight(0x11, 1), 0x80000008);
1402 Assert.assertEquals(Integer.rotateRight(0x11, Integer.SIZE - 1), 0x22);
1403 Assert.assertEquals(Integer.rotateRight(0x11, Integer.SIZE), 0x11);
1404 Assert.assertEquals(Integer.rotateRight(0x11, Integer.SIZE + 1), 0x80000008);
1405
1406 Assert.assertEquals(Integer.rotateRight(0x11, -1), 0x22);
1407 Assert.assertEquals(Integer.rotateRight(0x11, -(Integer.SIZE - 1)), 0x80000008);
1408 Assert.assertEquals(Integer.rotateRight(0x11, -Integer.SIZE), 0x11);
1409 Assert.assertEquals(Integer.rotateRight(0x11, -(Integer.SIZE + 1)), 0x22);
1410
1411 Assert.assertEquals(Integer.rotateRight(0x80000000, 1), 0x40000000);
1412
1413 for (int i = 0; i < Integer.SIZE; i++) {
1414 Assert.assertEquals(
1415 Integer.rotateRight(0xBBAAAADD, i),
1416 (0xBBAAAADD >>> i) | (0xBBAAAADD << (Integer.SIZE - i)));
1417 }
1418 }
1419
1420 public static void test_Long_rotateRight() throws Exception {
1421 Assert.assertEquals(Long.rotateRight(0x11, 0), 0x11);
1422
1423 Assert.assertEquals(Long.rotateRight(0x11, 1), 0x8000000000000008L);
1424 Assert.assertEquals(Long.rotateRight(0x11, Long.SIZE - 1), 0x22);
1425 Assert.assertEquals(Long.rotateRight(0x11, Long.SIZE), 0x11);
1426 Assert.assertEquals(Long.rotateRight(0x11, Long.SIZE + 1), 0x8000000000000008L);
1427
1428 Assert.assertEquals(Long.rotateRight(0x11, -1), 0x22);
1429 Assert.assertEquals(Long.rotateRight(0x11, -(Long.SIZE - 1)), 0x8000000000000008L);
1430 Assert.assertEquals(Long.rotateRight(0x11, -Long.SIZE), 0x11);
1431 Assert.assertEquals(Long.rotateRight(0x11, -(Long.SIZE + 1)), 0x22);
1432
1433 Assert.assertEquals(Long.rotateRight(0x8000000000000000L, 1), 0x4000000000000000L);
1434
1435 for (int i = 0; i < Long.SIZE; i++) {
1436 Assert.assertEquals(
1437 Long.rotateRight(0xBBAAAADDFF0000DDL, i),
1438 (0xBBAAAADDFF0000DDL >>> i) | (0xBBAAAADDFF0000DDL << (Long.SIZE - i)));
1439 }
1440 }
1441
1442 public static void test_Integer_rotateLeft() throws Exception {
1443 Assert.assertEquals(Integer.rotateLeft(0x11, 0), 0x11);
1444
1445 Assert.assertEquals(Integer.rotateLeft(0x11, 1), 0x22);
1446 Assert.assertEquals(Integer.rotateLeft(0x11, Integer.SIZE - 1), 0x80000008);
1447 Assert.assertEquals(Integer.rotateLeft(0x11, Integer.SIZE), 0x11);
1448 Assert.assertEquals(Integer.rotateLeft(0x11, Integer.SIZE + 1), 0x22);
1449
1450 Assert.assertEquals(Integer.rotateLeft(0x11, -1), 0x80000008);
1451 Assert.assertEquals(Integer.rotateLeft(0x11, -(Integer.SIZE - 1)), 0x22);
1452 Assert.assertEquals(Integer.rotateLeft(0x11, -Integer.SIZE), 0x11);
1453 Assert.assertEquals(Integer.rotateLeft(0x11, -(Integer.SIZE + 1)), 0x80000008);
1454
1455 Assert.assertEquals(Integer.rotateLeft(0xC0000000, 1), 0x80000001);
1456
1457 for (int i = 0; i < Integer.SIZE; i++) {
1458 Assert.assertEquals(
1459 Integer.rotateLeft(0xBBAAAADD, i),
1460 (0xBBAAAADD << i) | (0xBBAAAADD >>> (Integer.SIZE - i)));
1461 }
1462 }
1463
1464 public static void test_Long_rotateLeft() throws Exception {
1465 Assert.assertEquals(Long.rotateLeft(0x11, 0), 0x11);
1466
1467 Assert.assertEquals(Long.rotateLeft(0x11, 1), 0x22);
1468 Assert.assertEquals(Long.rotateLeft(0x11, Long.SIZE - 1), 0x8000000000000008L);
1469 Assert.assertEquals(Long.rotateLeft(0x11, Long.SIZE), 0x11);
1470 Assert.assertEquals(Long.rotateLeft(0x11, Long.SIZE + 1), 0x22);
1471
1472 Assert.assertEquals(Long.rotateLeft(0x11, -1), 0x8000000000000008L);
1473 Assert.assertEquals(Long.rotateLeft(0x11, -(Long.SIZE - 1)), 0x22);
1474 Assert.assertEquals(Long.rotateLeft(0x11, -Long.SIZE), 0x11);
1475 Assert.assertEquals(Long.rotateLeft(0x11, -(Long.SIZE + 1)), 0x8000000000000008L);
1476
1477 Assert.assertEquals(Long.rotateLeft(0xC000000000000000L, 1), 0x8000000000000001L);
1478
1479 for (int i = 0; i < Long.SIZE; i++) {
1480 Assert.assertEquals(
1481 Long.rotateLeft(0xBBAAAADDFF0000DDL, i),
1482 (0xBBAAAADDFF0000DDL << i) | (0xBBAAAADDFF0000DDL >>> (Long.SIZE - i)));
1483 }
1484 }
1485
1486 public static void test_Integer_rotateRightLeft() throws Exception {
1487 for (int i = 0; i < Integer.SIZE * 2; i++) {
1488 Assert.assertEquals(Integer.rotateLeft(0xBBAAAADD, i),
1489 Integer.rotateRight(0xBBAAAADD, -i));
1490 Assert.assertEquals(Integer.rotateLeft(0xBBAAAADD, -i),
1491 Integer.rotateRight(0xBBAAAADD, i));
1492 }
1493 }
1494
1495 public static void test_Long_rotateRightLeft() throws Exception {
1496 for (int i = 0; i < Long.SIZE * 2; i++) {
1497 Assert.assertEquals(Long.rotateLeft(0xBBAAAADDFF0000DDL, i),
1498 Long.rotateRight(0xBBAAAADDFF0000DDL, -i));
1499 Assert.assertEquals(Long.rotateLeft(0xBBAAAADDFF0000DDL, -i),
1500 Long.rotateRight(0xBBAAAADDFF0000DDL, i));
1501 }
1502 }
jeffhao5d1ac922011-09-29 17:41:15 -07001503}