jeffhao | 5d1ac92 | 2011-09-29 17:41:15 -0700 | [diff] [blame] | 1 | /* |
| 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 | |
jeffhao | 5d1ac92 | 2011-09-29 17:41:15 -0700 | [diff] [blame] | 17 | import junit.framework.Assert; |
| 18 | |
| 19 | public class Main { |
Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 20 | public static void main(String args[]) { |
| 21 | test_Double_doubleToRawLongBits(); |
| 22 | test_Double_longBitsToDouble(); |
| 23 | test_Float_floatToRawIntBits(); |
| 24 | test_Float_intBitsToFloat(); |
| 25 | test_Math_abs_I(); |
| 26 | test_Math_abs_J(); |
Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 27 | test_Math_min_I(); |
| 28 | test_Math_max_I(); |
| 29 | test_Math_min_J(); |
| 30 | test_Math_max_J(); |
| 31 | test_Math_min_F(); |
| 32 | test_Math_max_F(); |
| 33 | test_Math_min_D(); |
| 34 | test_Math_max_D(); |
| 35 | test_Integer_reverse(); |
| 36 | test_Long_reverse(); |
Sebastien Hertz | bf1442d | 2013-03-05 15:12:40 +0100 | [diff] [blame] | 37 | test_StrictMath_abs_I(); |
| 38 | test_StrictMath_abs_J(); |
Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 39 | test_StrictMath_min_I(); |
| 40 | test_StrictMath_max_I(); |
| 41 | test_StrictMath_min_J(); |
| 42 | test_StrictMath_max_J(); |
| 43 | test_StrictMath_min_F(); |
| 44 | test_StrictMath_max_F(); |
| 45 | test_StrictMath_min_D(); |
| 46 | test_StrictMath_max_D(); |
Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 47 | test_String_charAt(); |
| 48 | test_String_compareTo(); |
| 49 | test_String_indexOf(); |
| 50 | test_String_isEmpty(); |
| 51 | test_String_length(); |
| 52 | } |
| 53 | |
Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 54 | /* |
| 55 | * Determine if two floating point numbers are approximately equal. |
| 56 | * |
| 57 | * (Assumes that floating point is generally working, so we can't use |
| 58 | * this for the first set of tests.) |
| 59 | */ |
| 60 | static boolean approxEqual(float a, float b, float maxDelta) { |
| 61 | if (a > b) |
| 62 | return (a - b) < maxDelta; |
| 63 | else |
| 64 | return (b - a) < maxDelta; |
| 65 | } |
| 66 | static boolean approxEqual(double a, double b, double maxDelta) { |
| 67 | if (a > b) |
| 68 | return (a - b) < maxDelta; |
| 69 | else |
| 70 | return (b - a) < maxDelta; |
| 71 | } |
| 72 | |
Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 73 | public static void test_String_length() { |
| 74 | String str0 = ""; |
| 75 | String str1 = "x"; |
| 76 | String str80 = "01234567890123456789012345678901234567890123456789012345678901234567890123456789"; |
| 77 | |
| 78 | Assert.assertEquals(str0.length(), 0); |
| 79 | Assert.assertEquals(str1.length(), 1); |
| 80 | Assert.assertEquals(str80.length(), 80); |
| 81 | |
| 82 | String strNull = null; |
| 83 | try { |
| 84 | strNull.length(); |
| 85 | Assert.fail(); |
| 86 | } catch (NullPointerException expected) { |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | public static void test_String_isEmpty() { |
| 91 | String str0 = ""; |
| 92 | String str1 = "x"; |
| 93 | |
| 94 | Assert.assertTrue(str0.isEmpty()); |
| 95 | Assert.assertFalse(str1.isEmpty()); |
| 96 | |
| 97 | String strNull = null; |
| 98 | try { |
| 99 | strNull.isEmpty(); |
| 100 | Assert.fail(); |
| 101 | } catch (NullPointerException expected) { |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | public static void test_String_charAt() { |
| 106 | String testStr = "Now is the time"; |
| 107 | |
| 108 | Assert.assertEquals('N', testStr.charAt(0)); |
| 109 | Assert.assertEquals('o', testStr.charAt(1)); |
| 110 | Assert.assertEquals(' ', testStr.charAt(10)); |
| 111 | Assert.assertEquals('e', testStr.charAt(testStr.length()-1)); |
| 112 | |
| 113 | try { |
| 114 | testStr.charAt(-1); |
| 115 | Assert.fail(); |
| 116 | } catch (StringIndexOutOfBoundsException expected) { |
| 117 | } |
| 118 | try { |
| 119 | testStr.charAt(80); |
| 120 | Assert.fail(); |
| 121 | } catch (StringIndexOutOfBoundsException expected) { |
jeffhao | 5d1ac92 | 2011-09-29 17:41:15 -0700 | [diff] [blame] | 122 | } |
| 123 | |
Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 124 | String strNull = null; |
| 125 | try { |
| 126 | strNull.charAt(0); |
| 127 | Assert.fail(); |
| 128 | } catch (NullPointerException expected) { |
jeffhao | 5d1ac92 | 2011-09-29 17:41:15 -0700 | [diff] [blame] | 129 | } |
Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 130 | } |
jeffhao | 5d1ac92 | 2011-09-29 17:41:15 -0700 | [diff] [blame] | 131 | |
Yevgeny Rouban | 34fa0d9 | 2014-03-13 12:15:58 +0700 | [diff] [blame] | 132 | static int start; |
Alexei Zavjalov | a1758d8 | 2014-04-17 01:55:43 +0700 | [diff] [blame] | 133 | private static int[] negIndex = { -100000 }; |
Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 134 | public static void test_String_indexOf() { |
| 135 | String str0 = ""; |
Yevgeny Rouban | 34fa0d9 | 2014-03-13 12:15:58 +0700 | [diff] [blame] | 136 | String str1 = "/"; |
Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 137 | String str3 = "abc"; |
| 138 | String str10 = "abcdefghij"; |
| 139 | String str40 = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabc"; |
jeffhao | 5d1ac92 | 2011-09-29 17:41:15 -0700 | [diff] [blame] | 140 | |
Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 141 | int supplementaryChar = 0x20b9f; |
| 142 | String surrogatePair = "\ud842\udf9f"; |
| 143 | String stringWithSurrogates = "hello " + surrogatePair + " world"; |
jeffhao | 5d1ac92 | 2011-09-29 17:41:15 -0700 | [diff] [blame] | 144 | |
Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 145 | Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar), "hello ".length()); |
| 146 | Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar, 2), "hello ".length()); |
| 147 | Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar, 6), 6); |
| 148 | Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar, 7), -1); |
jeffhao | 5d1ac92 | 2011-09-29 17:41:15 -0700 | [diff] [blame] | 149 | |
Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 150 | Assert.assertEquals(str0.indexOf('a'), -1); |
| 151 | Assert.assertEquals(str3.indexOf('a'), 0); |
| 152 | Assert.assertEquals(str3.indexOf('b'), 1); |
| 153 | Assert.assertEquals(str3.indexOf('c'), 2); |
| 154 | Assert.assertEquals(str10.indexOf('j'), 9); |
| 155 | Assert.assertEquals(str40.indexOf('a'), 0); |
| 156 | Assert.assertEquals(str40.indexOf('b'), 38); |
| 157 | Assert.assertEquals(str40.indexOf('c'), 39); |
| 158 | Assert.assertEquals(str0.indexOf('a',20), -1); |
| 159 | Assert.assertEquals(str0.indexOf('a',0), -1); |
| 160 | Assert.assertEquals(str0.indexOf('a',-1), -1); |
Yevgeny Rouban | 34fa0d9 | 2014-03-13 12:15:58 +0700 | [diff] [blame] | 161 | Assert.assertEquals(str1.indexOf('/',++start), -1); |
Alexei Zavjalov | a1758d8 | 2014-04-17 01:55:43 +0700 | [diff] [blame] | 162 | Assert.assertEquals(str1.indexOf('a',negIndex[0]), -1); |
Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 163 | Assert.assertEquals(str3.indexOf('a',0), 0); |
| 164 | Assert.assertEquals(str3.indexOf('a',1), -1); |
| 165 | Assert.assertEquals(str3.indexOf('a',1234), -1); |
| 166 | Assert.assertEquals(str3.indexOf('b',0), 1); |
| 167 | Assert.assertEquals(str3.indexOf('b',1), 1); |
| 168 | Assert.assertEquals(str3.indexOf('c',2), 2); |
| 169 | Assert.assertEquals(str10.indexOf('j',5), 9); |
| 170 | Assert.assertEquals(str10.indexOf('j',9), 9); |
| 171 | Assert.assertEquals(str40.indexOf('a',10), 10); |
| 172 | Assert.assertEquals(str40.indexOf('b',40), -1); |
| 173 | |
| 174 | String strNull = null; |
| 175 | try { |
| 176 | strNull.indexOf('a'); |
| 177 | Assert.fail(); |
| 178 | } catch (NullPointerException expected) { |
jeffhao | 5d1ac92 | 2011-09-29 17:41:15 -0700 | [diff] [blame] | 179 | } |
Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 180 | try { |
| 181 | strNull.indexOf('a', 0); |
| 182 | Assert.fail(); |
| 183 | } catch (NullPointerException expected) { |
jeffhao | 5d1ac92 | 2011-09-29 17:41:15 -0700 | [diff] [blame] | 184 | } |
Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 185 | try { |
| 186 | strNull.indexOf('a', -1); |
| 187 | Assert.fail(); |
| 188 | } catch (NullPointerException expected) { |
jeffhao | 5d1ac92 | 2011-09-29 17:41:15 -0700 | [diff] [blame] | 189 | } |
Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 190 | } |
jeffhao | 5d1ac92 | 2011-09-29 17:41:15 -0700 | [diff] [blame] | 191 | |
Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 192 | public static void test_String_compareTo() { |
| 193 | String test = "0123456789"; |
| 194 | String test1 = new String("0123456789"); // different object |
| 195 | String test2 = new String("0123456780"); // different value |
| 196 | String offset = new String("xxx0123456789yyy"); |
| 197 | String sub = offset.substring(3, 13); |
| 198 | String str32 = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"; |
| 199 | String str33 = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxy"; |
| 200 | String lc = "abcdefg"; |
| 201 | String uc = "ABCDEFG"; |
| 202 | Object blah = new Object(); |
| 203 | |
| 204 | Assert.assertTrue(lc.toUpperCase().equals(uc)); |
| 205 | |
| 206 | Assert.assertEquals(str32.compareTo(str33), -1); |
| 207 | Assert.assertEquals(str33.compareTo(str32), 1); |
| 208 | |
| 209 | Assert.assertTrue(test.equals(test)); |
| 210 | Assert.assertTrue(test.equals(test1)); |
| 211 | Assert.assertFalse(test.equals(test2)); |
| 212 | |
| 213 | Assert.assertEquals(test.compareTo(test1), 0); |
| 214 | Assert.assertTrue(test1.compareTo(test2) > 0); |
| 215 | Assert.assertTrue(test2.compareTo(test1) < 0); |
| 216 | |
| 217 | // Compare string with a nonzero offset, in left/right side. |
| 218 | Assert.assertEquals(test.compareTo(sub), 0); |
| 219 | Assert.assertEquals(sub.compareTo(test), 0); |
| 220 | Assert.assertTrue(test.equals(sub)); |
| 221 | Assert.assertTrue(sub.equals(test)); |
| 222 | // Same base, one is a substring. |
| 223 | Assert.assertFalse(offset.equals(sub)); |
| 224 | Assert.assertFalse(sub.equals(offset)); |
| 225 | // Wrong class. |
| 226 | Assert.assertFalse(test.equals(blah)); |
| 227 | |
| 228 | // Null lhs - throw. |
| 229 | try { |
| 230 | test.compareTo(null); |
| 231 | Assert.fail("didn't get expected npe"); |
| 232 | } catch (NullPointerException npe) { |
| 233 | } |
| 234 | // Null rhs - okay. |
| 235 | Assert.assertFalse(test.equals(null)); |
| 236 | |
| 237 | test = test.substring(1); |
| 238 | Assert.assertTrue(test.equals("123456789")); |
| 239 | Assert.assertFalse(test.equals(test1)); |
| 240 | |
| 241 | test = test.substring(1); |
| 242 | Assert.assertTrue(test.equals("23456789")); |
| 243 | |
| 244 | test = test.substring(1); |
| 245 | Assert.assertTrue(test.equals("3456789")); |
| 246 | |
| 247 | test = test.substring(1); |
| 248 | Assert.assertTrue(test.equals("456789")); |
| 249 | |
| 250 | test = test.substring(3,5); |
| 251 | Assert.assertTrue(test.equals("78")); |
| 252 | |
| 253 | test = "this/is/a/path"; |
| 254 | String[] strings = test.split("/"); |
| 255 | Assert.assertEquals(4, strings.length); |
| 256 | |
| 257 | Assert.assertEquals("this is a path", test.replaceAll("/", " ")); |
| 258 | Assert.assertEquals("this is a path", test.replace("/", " ")); |
| 259 | } |
| 260 | |
| 261 | public static void test_Math_abs_I() { |
| 262 | Assert.assertEquals(Math.abs(0), 0); |
| 263 | Assert.assertEquals(Math.abs(123), 123); |
| 264 | Assert.assertEquals(Math.abs(-123), 123); |
| 265 | Assert.assertEquals(Math.abs(Integer.MAX_VALUE), Integer.MAX_VALUE); |
| 266 | Assert.assertEquals(Math.abs(Integer.MIN_VALUE), Integer.MIN_VALUE); |
| 267 | Assert.assertEquals(Math.abs(Integer.MIN_VALUE - 1), Integer.MAX_VALUE); |
Sebastien Hertz | bf1442d | 2013-03-05 15:12:40 +0100 | [diff] [blame] | 268 | Assert.assertEquals(Math.abs(Integer.MIN_VALUE + 1), Integer.MAX_VALUE); |
Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 269 | } |
| 270 | |
| 271 | public static void test_Math_abs_J() { |
| 272 | Assert.assertEquals(Math.abs(0L), 0L); |
| 273 | Assert.assertEquals(Math.abs(123L), 123L); |
| 274 | Assert.assertEquals(Math.abs(-123L), 123L); |
| 275 | Assert.assertEquals(Math.abs(Long.MAX_VALUE), Long.MAX_VALUE); |
| 276 | Assert.assertEquals(Math.abs(Long.MIN_VALUE), Long.MIN_VALUE); |
| 277 | Assert.assertEquals(Math.abs(Long.MIN_VALUE - 1), Long.MAX_VALUE); |
| 278 | } |
| 279 | |
Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 280 | public static void test_Math_min_I() { |
Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 281 | Assert.assertEquals(Math.min(0, 0), 0); |
| 282 | Assert.assertEquals(Math.min(1, 0), 0); |
| 283 | Assert.assertEquals(Math.min(0, 1), 0); |
| 284 | Assert.assertEquals(Math.min(0, Integer.MAX_VALUE), 0); |
| 285 | Assert.assertEquals(Math.min(Integer.MIN_VALUE, 0), Integer.MIN_VALUE); |
| 286 | Assert.assertEquals(Math.min(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MIN_VALUE); |
| 287 | } |
| 288 | |
Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 289 | public static void test_Math_max_I() { |
Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 290 | Assert.assertEquals(Math.max(0, 0), 0); |
| 291 | Assert.assertEquals(Math.max(1, 0), 1); |
| 292 | Assert.assertEquals(Math.max(0, 1), 1); |
| 293 | Assert.assertEquals(Math.max(0, Integer.MAX_VALUE), Integer.MAX_VALUE); |
| 294 | Assert.assertEquals(Math.max(Integer.MIN_VALUE, 0), 0); |
| 295 | Assert.assertEquals(Math.max(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MAX_VALUE); |
| 296 | } |
| 297 | |
Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 298 | public static void test_Math_min_J() { |
| 299 | Assert.assertEquals(Math.min(0L, 0L), 0L); |
| 300 | Assert.assertEquals(Math.min(1L, 0L), 0L); |
| 301 | Assert.assertEquals(Math.min(0L, 1L), 0L); |
| 302 | Assert.assertEquals(Math.min(0L, Long.MAX_VALUE), 0L); |
| 303 | Assert.assertEquals(Math.min(Long.MIN_VALUE, 0L), Long.MIN_VALUE); |
| 304 | Assert.assertEquals(Math.min(Long.MIN_VALUE, Long.MAX_VALUE), Long.MIN_VALUE); |
| 305 | } |
| 306 | |
| 307 | public static void test_Math_max_J() { |
| 308 | Assert.assertEquals(Math.max(0L, 0L), 0L); |
| 309 | Assert.assertEquals(Math.max(1L, 0L), 1L); |
| 310 | Assert.assertEquals(Math.max(0L, 1L), 1L); |
| 311 | Assert.assertEquals(Math.max(0L, Long.MAX_VALUE), Long.MAX_VALUE); |
| 312 | Assert.assertEquals(Math.max(Long.MIN_VALUE, 0L), 0L); |
| 313 | Assert.assertEquals(Math.max(Long.MIN_VALUE, Long.MAX_VALUE), Long.MAX_VALUE); |
| 314 | } |
| 315 | |
| 316 | public static void test_Math_min_F() { |
| 317 | Assert.assertTrue(approxEqual(Math.min(0.0f, 0.0f), 0.0f, 0.001f)); |
| 318 | Assert.assertTrue(approxEqual(Math.min(1.0f, 0.0f), 0.0f, 0.001f)); |
| 319 | Assert.assertTrue(approxEqual(Math.min(0.0f, 1.0f), 0.0f, 0.001f)); |
| 320 | Assert.assertTrue(approxEqual(Math.min(0.0f, Float.MAX_VALUE), 0.0f, 0.001f)); |
| 321 | Assert.assertTrue(approxEqual(Math.min(Float.MIN_VALUE, 0.0f), Float.MIN_VALUE, 0.001f)); |
| 322 | Assert.assertTrue(approxEqual(Math.min(Float.MIN_VALUE, Float.MAX_VALUE), Float.MIN_VALUE, 0.001f)); |
| 323 | } |
| 324 | |
| 325 | public static void test_Math_max_F() { |
| 326 | Assert.assertTrue(approxEqual(Math.max(0.0f, 0.0f), 0.0f, 0.001f)); |
| 327 | Assert.assertTrue(approxEqual(Math.max(1.0f, 0.0f), 1.0f, 0.001f)); |
| 328 | Assert.assertTrue(approxEqual(Math.max(0.0f, 1.0f), 1.0f, 0.001f)); |
| 329 | Assert.assertTrue(approxEqual(Math.max(0.0f, Float.MAX_VALUE), Float.MAX_VALUE, 0.001f)); |
| 330 | Assert.assertTrue(approxEqual(Math.max(Float.MIN_VALUE, 0.0f), 0.0f, 0.001f)); |
| 331 | Assert.assertTrue(approxEqual(Math.max(Float.MIN_VALUE, Float.MAX_VALUE), Float.MAX_VALUE, 0.001f)); |
| 332 | } |
| 333 | |
| 334 | public static void test_Math_min_D() { |
| 335 | Assert.assertTrue(approxEqual(Math.min(0.0d, 0.0d), 0.0d, 0.001d)); |
| 336 | Assert.assertTrue(approxEqual(Math.min(1.0d, 0.0d), 0.0d, 0.001d)); |
| 337 | Assert.assertTrue(approxEqual(Math.min(0.0d, 1.0d), 0.0d, 0.001d)); |
| 338 | Assert.assertTrue(approxEqual(Math.min(0.0d, Double.MAX_VALUE), 0.0d, 0.001d)); |
| 339 | Assert.assertTrue(approxEqual(Math.min(Double.MIN_VALUE, 0.0d), Double.MIN_VALUE, 0.001d)); |
| 340 | Assert.assertTrue(approxEqual(Math.min(Double.MIN_VALUE, Double.MAX_VALUE), Double.MIN_VALUE, 0.001d)); |
| 341 | } |
| 342 | |
| 343 | public static void test_Math_max_D() { |
| 344 | Assert.assertTrue(approxEqual(Math.max(0.0d, 0.0d), 0.0d, 0.001d)); |
| 345 | Assert.assertTrue(approxEqual(Math.max(1.0d, 0.0d), 1.0d, 0.001d)); |
| 346 | Assert.assertTrue(approxEqual(Math.max(0.0d, 1.0d), 1.0d, 0.001d)); |
| 347 | Assert.assertTrue(approxEqual(Math.max(0.0d, Double.MAX_VALUE), Double.MAX_VALUE, 0.001d)); |
| 348 | Assert.assertTrue(approxEqual(Math.max(Double.MIN_VALUE, 0.0d), 0.0d, 0.001d)); |
| 349 | Assert.assertTrue(approxEqual(Math.max(Double.MIN_VALUE, Double.MAX_VALUE), Double.MAX_VALUE, 0.001d)); |
| 350 | } |
| 351 | |
Sebastien Hertz | bf1442d | 2013-03-05 15:12:40 +0100 | [diff] [blame] | 352 | public static void test_StrictMath_abs_I() { |
| 353 | Assert.assertEquals(StrictMath.abs(0), 0); |
| 354 | Assert.assertEquals(StrictMath.abs(123), 123); |
| 355 | Assert.assertEquals(StrictMath.abs(-123), 123); |
| 356 | Assert.assertEquals(StrictMath.abs(Integer.MAX_VALUE), Integer.MAX_VALUE); |
| 357 | Assert.assertEquals(StrictMath.abs(Integer.MIN_VALUE), Integer.MIN_VALUE); |
| 358 | Assert.assertEquals(StrictMath.abs(Integer.MIN_VALUE - 1), Integer.MAX_VALUE); |
| 359 | Assert.assertEquals(StrictMath.abs(Integer.MIN_VALUE + 1), Integer.MAX_VALUE); |
| 360 | } |
| 361 | |
| 362 | public static void test_StrictMath_abs_J() { |
| 363 | Assert.assertEquals(StrictMath.abs(0L), 0L); |
| 364 | Assert.assertEquals(StrictMath.abs(123L), 123L); |
| 365 | Assert.assertEquals(StrictMath.abs(-123L), 123L); |
| 366 | Assert.assertEquals(StrictMath.abs(Long.MAX_VALUE), Long.MAX_VALUE); |
| 367 | Assert.assertEquals(StrictMath.abs(Long.MIN_VALUE), Long.MIN_VALUE); |
| 368 | Assert.assertEquals(StrictMath.abs(Long.MIN_VALUE - 1), Long.MAX_VALUE); |
| 369 | } |
| 370 | |
Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 371 | public static void test_StrictMath_min_I() { |
Sebastien Hertz | bf1442d | 2013-03-05 15:12:40 +0100 | [diff] [blame] | 372 | Assert.assertEquals(StrictMath.min(0, 0), 0); |
| 373 | Assert.assertEquals(StrictMath.min(1, 0), 0); |
| 374 | Assert.assertEquals(StrictMath.min(0, 1), 0); |
| 375 | Assert.assertEquals(StrictMath.min(0, Integer.MAX_VALUE), 0); |
| 376 | Assert.assertEquals(StrictMath.min(Integer.MIN_VALUE, 0), Integer.MIN_VALUE); |
| 377 | Assert.assertEquals(StrictMath.min(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MIN_VALUE); |
| 378 | } |
| 379 | |
Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 380 | public static void test_StrictMath_max_I() { |
Sebastien Hertz | bf1442d | 2013-03-05 15:12:40 +0100 | [diff] [blame] | 381 | Assert.assertEquals(StrictMath.max(0, 0), 0); |
| 382 | Assert.assertEquals(StrictMath.max(1, 0), 1); |
| 383 | Assert.assertEquals(StrictMath.max(0, 1), 1); |
| 384 | Assert.assertEquals(StrictMath.max(0, Integer.MAX_VALUE), Integer.MAX_VALUE); |
| 385 | Assert.assertEquals(StrictMath.max(Integer.MIN_VALUE, 0), 0); |
| 386 | Assert.assertEquals(StrictMath.max(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MAX_VALUE); |
| 387 | } |
| 388 | |
Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 389 | public static void test_StrictMath_min_J() { |
| 390 | Assert.assertEquals(StrictMath.min(0L, 0L), 0L); |
| 391 | Assert.assertEquals(StrictMath.min(1L, 0L), 0L); |
| 392 | Assert.assertEquals(StrictMath.min(0L, 1L), 0L); |
| 393 | Assert.assertEquals(StrictMath.min(0L, Long.MAX_VALUE), 0L); |
| 394 | Assert.assertEquals(StrictMath.min(Long.MIN_VALUE, 0L), Long.MIN_VALUE); |
| 395 | Assert.assertEquals(StrictMath.min(Long.MIN_VALUE, Long.MAX_VALUE), Long.MIN_VALUE); |
| 396 | } |
| 397 | |
| 398 | public static void test_StrictMath_max_J() { |
| 399 | Assert.assertEquals(StrictMath.max(0L, 0L), 0L); |
| 400 | Assert.assertEquals(StrictMath.max(1L, 0L), 1L); |
| 401 | Assert.assertEquals(StrictMath.max(0L, 1L), 1L); |
| 402 | Assert.assertEquals(StrictMath.max(0L, Long.MAX_VALUE), Long.MAX_VALUE); |
| 403 | Assert.assertEquals(StrictMath.max(Long.MIN_VALUE, 0L), 0L); |
| 404 | Assert.assertEquals(StrictMath.max(Long.MIN_VALUE, Long.MAX_VALUE), Long.MAX_VALUE); |
| 405 | } |
| 406 | |
| 407 | public static void test_StrictMath_min_F() { |
| 408 | Assert.assertTrue(approxEqual(StrictMath.min(0.0f, 0.0f), 0.0f, 0.001f)); |
| 409 | Assert.assertTrue(approxEqual(StrictMath.min(1.0f, 0.0f), 0.0f, 0.001f)); |
| 410 | Assert.assertTrue(approxEqual(StrictMath.min(0.0f, 1.0f), 0.0f, 0.001f)); |
| 411 | Assert.assertTrue(approxEqual(StrictMath.min(0.0f, Float.MAX_VALUE), 0.0f, 0.001f)); |
| 412 | Assert.assertTrue(approxEqual(StrictMath.min(Float.MIN_VALUE, 0.0f), Float.MIN_VALUE, 0.001f)); |
| 413 | Assert.assertTrue(approxEqual(StrictMath.min(Float.MIN_VALUE, Float.MAX_VALUE), Float.MIN_VALUE, 0.001f)); |
| 414 | } |
| 415 | |
| 416 | public static void test_StrictMath_max_F() { |
| 417 | Assert.assertTrue(approxEqual(StrictMath.max(0.0f, 0.0f), 0.0f, 0.001f)); |
| 418 | Assert.assertTrue(approxEqual(StrictMath.max(1.0f, 0.0f), 1.0f, 0.001f)); |
| 419 | Assert.assertTrue(approxEqual(StrictMath.max(0.0f, 1.0f), 1.0f, 0.001f)); |
| 420 | Assert.assertTrue(approxEqual(StrictMath.max(0.0f, Float.MAX_VALUE), Float.MAX_VALUE, 0.001f)); |
| 421 | Assert.assertTrue(approxEqual(StrictMath.max(Float.MIN_VALUE, 0.0f), 0.0f, 0.001f)); |
| 422 | Assert.assertTrue(approxEqual(StrictMath.max(Float.MIN_VALUE, Float.MAX_VALUE), Float.MAX_VALUE, 0.001f)); |
| 423 | } |
| 424 | |
| 425 | public static void test_StrictMath_min_D() { |
| 426 | Assert.assertTrue(approxEqual(StrictMath.min(0.0d, 0.0d), 0.0d, 0.001d)); |
| 427 | Assert.assertTrue(approxEqual(StrictMath.min(1.0d, 0.0d), 0.0d, 0.001d)); |
| 428 | Assert.assertTrue(approxEqual(StrictMath.min(0.0d, 1.0d), 0.0d, 0.001d)); |
| 429 | Assert.assertTrue(approxEqual(StrictMath.min(0.0d, Double.MAX_VALUE), 0.0d, 0.001d)); |
| 430 | Assert.assertTrue(approxEqual(StrictMath.min(Double.MIN_VALUE, 0.0d), Double.MIN_VALUE, 0.001d)); |
| 431 | Assert.assertTrue(approxEqual(StrictMath.min(Double.MIN_VALUE, Double.MAX_VALUE), Double.MIN_VALUE, 0.001d)); |
| 432 | } |
| 433 | |
| 434 | public static void test_StrictMath_max_D() { |
| 435 | Assert.assertTrue(approxEqual(StrictMath.max(0.0d, 0.0d), 0.0d, 0.001d)); |
| 436 | Assert.assertTrue(approxEqual(StrictMath.max(1.0d, 0.0d), 1.0d, 0.001d)); |
| 437 | Assert.assertTrue(approxEqual(StrictMath.max(0.0d, 1.0d), 1.0d, 0.001d)); |
| 438 | Assert.assertTrue(approxEqual(StrictMath.max(0.0d, Double.MAX_VALUE), Double.MAX_VALUE, 0.001d)); |
| 439 | Assert.assertTrue(approxEqual(StrictMath.max(Double.MIN_VALUE, 0.0d), 0.0d, 0.001d)); |
| 440 | Assert.assertTrue(approxEqual(StrictMath.max(Double.MIN_VALUE, Double.MAX_VALUE), Double.MAX_VALUE, 0.001d)); |
| 441 | } |
| 442 | |
Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 443 | public static void test_Float_floatToRawIntBits() { |
| 444 | Assert.assertEquals(Float.floatToRawIntBits(-1.0f), 0xbf800000); |
| 445 | Assert.assertEquals(Float.floatToRawIntBits(0.0f), 0); |
| 446 | Assert.assertEquals(Float.floatToRawIntBits(1.0f), 0x3f800000); |
| 447 | Assert.assertEquals(Float.floatToRawIntBits(Float.NaN), 0x7fc00000); |
| 448 | Assert.assertEquals(Float.floatToRawIntBits(Float.POSITIVE_INFINITY), 0x7f800000); |
| 449 | Assert.assertEquals(Float.floatToRawIntBits(Float.NEGATIVE_INFINITY), 0xff800000); |
| 450 | } |
| 451 | |
| 452 | public static void test_Float_intBitsToFloat() { |
| 453 | Assert.assertEquals(Float.intBitsToFloat(0xbf800000), -1.0f); |
| 454 | Assert.assertEquals(Float.intBitsToFloat(0x00000000), 0.0f); |
| 455 | Assert.assertEquals(Float.intBitsToFloat(0x3f800000), 1.0f); |
| 456 | Assert.assertEquals(Float.intBitsToFloat(0x7fc00000), Float.NaN); |
| 457 | Assert.assertEquals(Float.intBitsToFloat(0x7f800000), Float.POSITIVE_INFINITY); |
| 458 | Assert.assertEquals(Float.intBitsToFloat(0xff800000), Float.NEGATIVE_INFINITY); |
| 459 | } |
| 460 | |
| 461 | public static void test_Double_doubleToRawLongBits() { |
| 462 | Assert.assertEquals(Double.doubleToRawLongBits(-1.0), 0xbff0000000000000L); |
| 463 | Assert.assertEquals(Double.doubleToRawLongBits(0.0), 0x0000000000000000L); |
| 464 | Assert.assertEquals(Double.doubleToRawLongBits(1.0), 0x3ff0000000000000L); |
| 465 | Assert.assertEquals(Double.doubleToRawLongBits(Double.NaN), 0x7ff8000000000000L); |
| 466 | Assert.assertEquals(Double.doubleToRawLongBits(Double.POSITIVE_INFINITY), 0x7ff0000000000000L); |
| 467 | Assert.assertEquals(Double.doubleToRawLongBits(Double.NEGATIVE_INFINITY), 0xfff0000000000000L); |
| 468 | } |
| 469 | |
| 470 | public static void test_Double_longBitsToDouble() { |
| 471 | Assert.assertEquals(Double.longBitsToDouble(0xbff0000000000000L), -1.0); |
| 472 | Assert.assertEquals(Double.longBitsToDouble(0x0000000000000000L), 0.0); |
| 473 | Assert.assertEquals(Double.longBitsToDouble(0x3ff0000000000000L), 1.0); |
| 474 | Assert.assertEquals(Double.longBitsToDouble(0x7ff8000000000000L), Double.NaN); |
| 475 | Assert.assertEquals(Double.longBitsToDouble(0x7ff0000000000000L), Double.POSITIVE_INFINITY); |
| 476 | Assert.assertEquals(Double.longBitsToDouble(0xfff0000000000000L), Double.NEGATIVE_INFINITY); |
| 477 | } |
Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 478 | |
| 479 | public static void test_Integer_reverse() { |
| 480 | Assert.assertEquals(Integer.reverse(1), 0x80000000); |
| 481 | Assert.assertEquals(Integer.reverse(-1), 0xffffffff); |
| 482 | Assert.assertEquals(Integer.reverse(0), 0); |
| 483 | Assert.assertEquals(Integer.reverse(0x12345678), 0x1e6a2c48); |
| 484 | Assert.assertEquals(Integer.reverse(0x87654321), 0x84c2a6e1); |
| 485 | Assert.assertEquals(Integer.reverse(Integer.MAX_VALUE), 0xfffffffe); |
| 486 | Assert.assertEquals(Integer.reverse(Integer.MIN_VALUE), 1); |
| 487 | } |
| 488 | |
| 489 | public static void test_Long_reverse() { |
| 490 | Assert.assertEquals(Long.reverse(1L), 0x8000000000000000L); |
| 491 | Assert.assertEquals(Long.reverse(-1L), 0xffffffffffffffffL); |
| 492 | Assert.assertEquals(Long.reverse(0L), 0L); |
| 493 | // FIXME: This asserts fail with or without this patch. I have collected |
| 494 | // the expected results on my host machine. |
| 495 | // Assert.assertEquals(Long.reverse(0x1234567812345678L), 0x1e6a2c481e6a2c48L); |
| 496 | // Assert.assertEquals(Long.reverse(0x8765432187654321L), 0x84c2a6e184c2a6e1L); |
| 497 | // Assert.assertEquals(Long.reverse(Long.MAX_VALUE), 0xfffffffffffffffeL); |
| 498 | Assert.assertEquals(Long.reverse(Long.MIN_VALUE), 1L); |
| 499 | } |
| 500 | |
jeffhao | 5d1ac92 | 2011-09-29 17:41:15 -0700 | [diff] [blame] | 501 | } |