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| 1 <!DOCTYPE html> | |
| 2 <html> | |
| 3 <head> | |
| 4 <meta charset="utf-8"> | |
| 5 <script src="../../../resources/js-test.js"></script> | |
| 6 <script src="resources/webgl-test.js"></script> | |
| 7 <script src="resources/typed-array-test-cases.js"></script> | |
| 8 </head> | |
| 9 <body> | |
| 10 <div id="description"></div> | |
| 11 <div id="console"></div> | |
| 12 | |
| 13 <script> | |
| 14 description("Verifies the functionality of the new array-like objects in the Typ
edArray spec"); | |
| 15 | |
| 16 var currentlyRunning = ''; | |
| 17 var allPassed = true; | |
| 18 function running(str) { | |
| 19 currentlyRunning = str; | |
| 20 } | |
| 21 | |
| 22 function output(str) { | |
| 23 debug(str); | |
| 24 } | |
| 25 | |
| 26 function pass() { | |
| 27 testPassed(currentlyRunning); | |
| 28 } | |
| 29 | |
| 30 function fail(str) { | |
| 31 allPassed = false; | |
| 32 var exc; | |
| 33 if (str) | |
| 34 exc = currentlyRunning + ': ' + str; | |
| 35 else | |
| 36 exc = currentlyRunning; | |
| 37 testFailed(exc); | |
| 38 } | |
| 39 | |
| 40 function assertEq(prefix, expected, val) { | |
| 41 if (expected != val) { | |
| 42 var str = prefix + ': expected ' + expected + ', got ' + val; | |
| 43 throw str; | |
| 44 } | |
| 45 } | |
| 46 | |
| 47 function assert(prefix, expected) { | |
| 48 if (!expected) { | |
| 49 var str = prefix + ': expected value / true'; | |
| 50 throw str; | |
| 51 } | |
| 52 } | |
| 53 | |
| 54 function printSummary() { | |
| 55 if (allPassed) { | |
| 56 debug("Test passed."); | |
| 57 } else { | |
| 58 debug("TEST FAILED"); | |
| 59 } | |
| 60 } | |
| 61 | |
| 62 var buffer; | |
| 63 var byteLength; | |
| 64 var subBuffer; | |
| 65 var subArray; | |
| 66 function testSlice() { | |
| 67 function test(subBuf, starts, size) { | |
| 68 byteLength = size; | |
| 69 subBuffer = eval(subBuf); | |
| 70 subArray = new Int8Array(subBuffer); | |
| 71 assertEq(subBuf, subBuffer.byteLength, byteLength); | |
| 72 for (var i = 0; i < size; ++i) | |
| 73 assertEq('Element ' + i, starts + i, subArray[i]); | |
| 74 } | |
| 75 | |
| 76 try { | |
| 77 running('testSlice'); | |
| 78 buffer = new ArrayBuffer(32); | |
| 79 var array = new Int8Array(buffer); | |
| 80 for (var i = 0; i < 32; ++i) | |
| 81 array[i] = i; | |
| 82 | |
| 83 test("buffer.slice(0)", 0, 32); | |
| 84 test("buffer.slice(16)", 16, 16); | |
| 85 test("buffer.slice(24)", 24, 8); | |
| 86 test("buffer.slice(32)", 32, 0); | |
| 87 test("buffer.slice(40)", 32, 0); | |
| 88 test("buffer.slice(80)", 32, 0); | |
| 89 | |
| 90 test("buffer.slice(-8)", 24, 8); | |
| 91 test("buffer.slice(-16)", 16, 16); | |
| 92 test("buffer.slice(-24)", 8, 24); | |
| 93 test("buffer.slice(-32)", 0, 32); | |
| 94 test("buffer.slice(-40)", 0, 32); | |
| 95 test("buffer.slice(-80)", 0, 32); | |
| 96 | |
| 97 test("buffer.slice(0, 32)", 0, 32); | |
| 98 test("buffer.slice(0, 16)", 0, 16); | |
| 99 test("buffer.slice(8, 24)", 8, 16); | |
| 100 test("buffer.slice(16, 32)", 16, 16); | |
| 101 test("buffer.slice(24, 16)", 24, 0); | |
| 102 | |
| 103 test("buffer.slice(16, -8)", 16, 8); | |
| 104 test("buffer.slice(-20, 30)", 12, 18); | |
| 105 | |
| 106 test("buffer.slice(-8, -20)", 24, 0); | |
| 107 test("buffer.slice(-20, -8)", 12, 12); | |
| 108 test("buffer.slice(-40, 16)", 0, 16); | |
| 109 test("buffer.slice(-40, 40)", 0, 32); | |
| 110 pass(); | |
| 111 } catch (e) { | |
| 112 fail(e); | |
| 113 } | |
| 114 } | |
| 115 | |
| 116 function testInheritanceHierarchy() { | |
| 117 debug('test inheritance hierarchy of typed array views'); | |
| 118 | |
| 119 try { | |
| 120 var foo = ArrayBufferView; | |
| 121 testFailed('ArrayBufferView has [NoInterfaceObject] extended attribute and s
hould not be defined'); | |
| 122 } catch (e) { | |
| 123 testPassed('ArrayBufferView has [NoInterfaceObject] extended attribute and w
as (correctly) not defined'); | |
| 124 } | |
| 125 | |
| 126 // There is currently only one kind of view that inherits from another | |
| 127 // Uint8ClampedArray inherited from Uint8Array in earlier versions | |
| 128 // of the typed array specification. Since this is no longer the | |
| 129 // case, assert the new behavior. | |
| 130 shouldBe('new Uint8ClampedArray(1) instanceof Uint8Array', 'false'); | |
| 131 } | |
| 132 | |
| 133 // | |
| 134 // Tests for unsigned array variants | |
| 135 // | |
| 136 | |
| 137 function testSetAndGet10To1(type, name) { | |
| 138 running('test ' + name + ' SetAndGet10To1'); | |
| 139 try { | |
| 140 var array = new type(10); | |
| 141 for (var i = 0; i < 10; i++) { | |
| 142 array[i] = 10 - i; | |
| 143 } | |
| 144 for (var i = 0; i < 10; i++) { | |
| 145 assertEq('Element ' + i, 10 - i, array[i]); | |
| 146 } | |
| 147 pass(); | |
| 148 } catch (e) { | |
| 149 fail(e); | |
| 150 } | |
| 151 } | |
| 152 | |
| 153 function testConstructWithArrayOfUnsignedValues(type, name) { | |
| 154 running('test ' + name + ' ConstructWithArrayOfUnsignedValues'); | |
| 155 try { | |
| 156 var array = new type([10, 9, 8, 7, 6, 5, 4, 3, 2, 1]); | |
| 157 assertEq('Array length', 10, array.length); | |
| 158 for (var i = 0; i < 10; i++) { | |
| 159 assertEq('Element ' + i, 10 - i, array[i]); | |
| 160 } | |
| 161 pass(); | |
| 162 } catch (e) { | |
| 163 fail(e); | |
| 164 } | |
| 165 } | |
| 166 | |
| 167 function testConstructWithTypedArrayOfUnsignedValues(type, name) { | |
| 168 running('test ' + name + ' ConstructWithTypedArrayOfUnsignedValues'); | |
| 169 try { | |
| 170 var tmp = new type([10, 9, 8, 7, 6, 5, 4, 3, 2, 1]); | |
| 171 var array = new type(tmp); | |
| 172 assertEq('Array length', 10, array.length); | |
| 173 for (var i = 0; i < 10; i++) { | |
| 174 assertEq('Element ' + i, 10 - i, array[i]); | |
| 175 } | |
| 176 pass(); | |
| 177 } catch (e) { | |
| 178 fail(e); | |
| 179 } | |
| 180 } | |
| 181 | |
| 182 // | |
| 183 // Tests for signed array variants | |
| 184 // | |
| 185 | |
| 186 function testSetAndGetPos10ToNeg10(type, name) { | |
| 187 running('test ' + name + ' SetAndGetPos10ToNeg10'); | |
| 188 try { | |
| 189 var array = new type(21); | |
| 190 for (var i = 0; i < 21; i++) { | |
| 191 array[i] = 10 - i; | |
| 192 } | |
| 193 for (var i = 0; i < 21; i++) { | |
| 194 assertEq('Element ' + i, 10 - i, array[i]); | |
| 195 } | |
| 196 pass(); | |
| 197 } catch (e) { | |
| 198 fail(e); | |
| 199 } | |
| 200 } | |
| 201 | |
| 202 function testConstructWithArrayOfSignedValues(type, name) { | |
| 203 running('test ' + name + ' ConstructWithArrayOfSignedValues'); | |
| 204 try { | |
| 205 var array = new type([10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, -1, -2, -3, -4, -5,
-6, -7, -8, -9, -10]); | |
| 206 assertEq('Array length', 21, array.length); | |
| 207 for (var i = 0; i < 21; i++) { | |
| 208 assertEq('Element ' + i, 10 - i, array[i]); | |
| 209 } | |
| 210 pass(); | |
| 211 } catch (e) { | |
| 212 fail(e); | |
| 213 } | |
| 214 } | |
| 215 | |
| 216 function testConstructWithTypedArrayOfSignedValues(type, name) { | |
| 217 running('test ' + name + ' ConstructWithTypedArrayOfSignedValues'); | |
| 218 try { | |
| 219 var tmp = new type([10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, -1, -2, -3, -4, -5, -6
, -7, -8, -9, -10]); | |
| 220 var array = new type(tmp); | |
| 221 assertEq('Array length', 21, array.length); | |
| 222 for (var i = 0; i < 21; i++) { | |
| 223 assertEq('Element ' + i, 10 - i, array[i]); | |
| 224 } | |
| 225 pass(); | |
| 226 } catch (e) { | |
| 227 fail(e); | |
| 228 } | |
| 229 } | |
| 230 | |
| 231 // | |
| 232 // Test cases for integral types. | |
| 233 // Some JavaScript engines need separate copies of this code in order | |
| 234 // to exercise all of their optimized code paths. | |
| 235 // | |
| 236 | |
| 237 function testIntegralArrayTruncationBehavior(type, name, unsigned) { | |
| 238 running('test integral array truncation behavior for ' + name); | |
| 239 | |
| 240 var sourceData; | |
| 241 var expectedResults; | |
| 242 | |
| 243 if (unsigned) { | |
| 244 sourceData = [0.6, 10.6, 0.2, 10.2, 10.5, 11.5]; | |
| 245 if (type === Uint8ClampedArray) { | |
| 246 expectedResults = [1, 11, 0, 10, 10, 12]; | |
| 247 } else { | |
| 248 expectedResults = [0, 10, 0, 10, 10, 11]; | |
| 249 } | |
| 250 } else { | |
| 251 sourceData = [0.6, 10.6, -0.6, -10.6]; | |
| 252 expectedResults = [0, 10, 0, -10]; | |
| 253 } | |
| 254 | |
| 255 var numIterations = 10; | |
| 256 var array = new type(numIterations); | |
| 257 | |
| 258 // The code block in each of the case statements below is identical, but some | |
| 259 // JavaScript engines need separate copies in order to exercise all of | |
| 260 // their optimized code paths. | |
| 261 | |
| 262 try { | |
| 263 switch (type) { | |
| 264 case Int8Array: | |
| 265 for (var ii = 0; ii < sourceData.length; ++ii) { | |
| 266 for (var jj = 0; jj < numIterations; ++jj) { | |
| 267 array[jj] = sourceData[ii]; | |
| 268 assertEq('Storing ' + sourceData[ii], expectedResults[ii], array[jj]); | |
| 269 } | |
| 270 } | |
| 271 break; | |
| 272 case Int16Array: | |
| 273 for (var ii = 0; ii < sourceData.length; ++ii) { | |
| 274 for (var jj = 0; jj < numIterations; ++jj) { | |
| 275 array[jj] = sourceData[ii]; | |
| 276 assertEq('Storing ' + sourceData[ii], expectedResults[ii], array[jj]); | |
| 277 } | |
| 278 } | |
| 279 break; | |
| 280 case Int32Array: | |
| 281 for (var ii = 0; ii < sourceData.length; ++ii) { | |
| 282 for (var jj = 0; jj < numIterations; ++jj) { | |
| 283 array[jj] = sourceData[ii]; | |
| 284 assertEq('Storing ' + sourceData[ii], expectedResults[ii], array[jj]); | |
| 285 } | |
| 286 } | |
| 287 break; | |
| 288 case Uint8Array: | |
| 289 for (var ii = 0; ii < sourceData.length; ++ii) { | |
| 290 for (var jj = 0; jj < numIterations; ++jj) { | |
| 291 array[jj] = sourceData[ii]; | |
| 292 assertEq('Storing ' + sourceData[ii], expectedResults[ii], array[jj]); | |
| 293 } | |
| 294 } | |
| 295 break; | |
| 296 case Uint8ClampedArray: | |
| 297 for (var ii = 0; ii < sourceData.length; ++ii) { | |
| 298 for (var jj = 0; jj < numIterations; ++jj) { | |
| 299 array[jj] = sourceData[ii]; | |
| 300 assertEq('Storing ' + sourceData[ii], expectedResults[ii], array[jj]); | |
| 301 } | |
| 302 } | |
| 303 break; | |
| 304 case Uint16Array: | |
| 305 for (var ii = 0; ii < sourceData.length; ++ii) { | |
| 306 for (var jj = 0; jj < numIterations; ++jj) { | |
| 307 array[jj] = sourceData[ii]; | |
| 308 assertEq('Storing ' + sourceData[ii], expectedResults[ii], array[jj]); | |
| 309 } | |
| 310 } | |
| 311 break; | |
| 312 case Uint32Array: | |
| 313 for (var ii = 0; ii < sourceData.length; ++ii) { | |
| 314 for (var jj = 0; jj < numIterations; ++jj) { | |
| 315 array[jj] = sourceData[ii]; | |
| 316 assertEq('Storing ' + sourceData[ii], expectedResults[ii], array[jj]); | |
| 317 } | |
| 318 } | |
| 319 break; | |
| 320 default: | |
| 321 fail("Unhandled type"); | |
| 322 break; | |
| 323 } | |
| 324 | |
| 325 pass(); | |
| 326 } catch (e) { | |
| 327 fail(e); | |
| 328 } | |
| 329 } | |
| 330 | |
| 331 | |
| 332 // | |
| 333 // Test cases for both signed and unsigned types | |
| 334 // | |
| 335 | |
| 336 function testGetWithOutOfRangeIndices(type, name) { | |
| 337 debug('Testing ' + name + ' GetWithOutOfRangeIndices'); | |
| 338 // See below for declaration of this global variable | |
| 339 array = new type([2, 3]); | |
| 340 shouldBeUndefined("array[2]"); | |
| 341 shouldBeUndefined("array[-1]"); | |
| 342 shouldBeUndefined("array[0x20000000]"); | |
| 343 } | |
| 344 | |
| 345 function testOffsetsAndSizes(type, name, elementSizeInBytes) { | |
| 346 running('test ' + name + ' OffsetsAndSizes'); | |
| 347 try { | |
| 348 var len = 10; | |
| 349 assertEq('type.BYTES_PER_ELEMENT', elementSizeInBytes, type.BYTES_PER_ELEMEN
T); | |
| 350 var array = new type(len); | |
| 351 assert('array.buffer', array.buffer); | |
| 352 assertEq('array.byteOffset', 0, array.byteOffset); | |
| 353 assertEq('array.length', len, array.length); | |
| 354 assertEq('array.byteLength', len * elementSizeInBytes, array.byteLength); | |
| 355 array = new type(array.buffer, elementSizeInBytes, len - 1); | |
| 356 assert('array.buffer', array.buffer); | |
| 357 assertEq('array.byteOffset', elementSizeInBytes, array.byteOffset); | |
| 358 assertEq('array.length', len - 1, array.length); | |
| 359 assertEq('array.byteLength', (len - 1) * elementSizeInBytes, array.byteLengt
h); | |
| 360 pass(); | |
| 361 } catch (e) { | |
| 362 fail(e); | |
| 363 } | |
| 364 } | |
| 365 | |
| 366 function testSetFromTypedArray(type, name) { | |
| 367 running('test ' + name + ' SetFromTypedArray'); | |
| 368 try { | |
| 369 var array = new type(10); | |
| 370 var array2 = new type(5); | |
| 371 for (var i = 0; i < 10; i++) { | |
| 372 assertEq('Element ' + i, 0, array[i]); | |
| 373 } | |
| 374 for (var i = 0; i < array2.length; i++) { | |
| 375 array2[i] = i; | |
| 376 } | |
| 377 array.set(array2); | |
| 378 for (var i = 0; i < array2.length; i++) { | |
| 379 assertEq('Element ' + i, i, array[i]); | |
| 380 } | |
| 381 array.set(array2, 5); | |
| 382 for (var i = 0; i < array2.length; i++) { | |
| 383 assertEq('Element ' + i, i, array[5 + i]); | |
| 384 } | |
| 385 pass(); | |
| 386 } catch (e) { | |
| 387 fail(e); | |
| 388 } | |
| 389 } | |
| 390 | |
| 391 function negativeTestSetFromTypedArray(type, name) { | |
| 392 running('negativeTest ' + name + ' SetFromTypedArray'); | |
| 393 try { | |
| 394 var array = new type(5); | |
| 395 var array2 = new type(6); | |
| 396 for (var i = 0; i < 5; i++) { | |
| 397 assertEq('Element ' + i, 0, array[i]); | |
| 398 } | |
| 399 for (var i = 0; i < array2.length; i++) { | |
| 400 array2[i] = i; | |
| 401 } | |
| 402 try { | |
| 403 array.set(array2); | |
| 404 fail('Expected exception from array.set(array2)'); | |
| 405 return; | |
| 406 } catch (e) { | |
| 407 } | |
| 408 try { | |
| 409 array2.set(array, 2); | |
| 410 fail('Expected exception from array2.set(array, 2)'); | |
| 411 return; | |
| 412 } catch (e) { | |
| 413 } | |
| 414 pass(); | |
| 415 } catch (e) { | |
| 416 fail(e); | |
| 417 } | |
| 418 } | |
| 419 | |
| 420 function testSetFromArray(type, name) { | |
| 421 running('test ' + name + ' SetFromArray'); | |
| 422 try { | |
| 423 var array = new type(10); | |
| 424 var array2 = [10, 9, 8, 7, 6, 5, 4, 3, 2, 1]; | |
| 425 for (var i = 0; i < 10; i++) { | |
| 426 assertEq('Element ' + i, 0, array[i]); | |
| 427 } | |
| 428 array.set(array2, 0); | |
| 429 for (var i = 0; i < array2.length; i++) { | |
| 430 assertEq('Element ' + i, 10 - i, array[i]); | |
| 431 } | |
| 432 pass(); | |
| 433 } catch (e) { | |
| 434 fail(e); | |
| 435 } | |
| 436 } | |
| 437 | |
| 438 function negativeTestSetFromArray(type, name) { | |
| 439 running('negativeTest ' + name + ' SetFromArray'); | |
| 440 try { | |
| 441 var array = new type([2, 3]); | |
| 442 try { | |
| 443 array.set([4, 5], 1); | |
| 444 fail(); | |
| 445 return; | |
| 446 } catch (e) { | |
| 447 } | |
| 448 try { | |
| 449 array.set([4, 5, 6]); | |
| 450 fail(); | |
| 451 return; | |
| 452 } catch (e) { | |
| 453 } | |
| 454 pass(); | |
| 455 } catch (e) { | |
| 456 fail(e); | |
| 457 } | |
| 458 } | |
| 459 | |
| 460 var subarray; | |
| 461 function testSubarray(type, name) { | |
| 462 running('test ' + name + ' Subarray'); | |
| 463 try { | |
| 464 var array = new type([0, 1, 2, 3, 4, 5, 6, 7, 8, 9]); | |
| 465 var subarray = array.subarray(0, 5); | |
| 466 assertEq('subarray.length', 5, subarray.length); | |
| 467 for (var i = 0; i < 5; i++) { | |
| 468 assertEq('Element ' + i, i, subarray[i]); | |
| 469 } | |
| 470 subarray = array.subarray(4, 10); | |
| 471 assertEq('subarray.length', 6, subarray.length); | |
| 472 for (var i = 0; i < 6; i++) { | |
| 473 assertEq('Element ' + i, 4 + i, subarray[i]); | |
| 474 } | |
| 475 pass(); | |
| 476 } catch (e) { | |
| 477 fail(e); | |
| 478 } | |
| 479 } | |
| 480 | |
| 481 function testSubarrayOffsetAndLengthClamping(type, name) { | |
| 482 running('test ' + name + ' Subarray offset and length clamping'); | |
| 483 try { | |
| 484 var array = new type([0, 1, 2, 3, 4, 5, 6, 7, 8, 9]); | |
| 485 var subarray1 = array.subarray(0, 5); | |
| 486 var subarray2 = subarray1.subarray(-2, 10); | |
| 487 assertEq('subarray2.length', 2, subarray2.length); | |
| 488 assertEq('Element ' + 0, 3, subarray2[0]); | |
| 489 assertEq('Element ' + 1, 4, subarray2[1]); | |
| 490 pass(); | |
| 491 } catch (e) { | |
| 492 fail(e); | |
| 493 } | |
| 494 } | |
| 495 | |
| 496 function negativeTestSubarray(type, name) { | |
| 497 running('negativeTest ' + name + ' Subarray'); | |
| 498 try { | |
| 499 var array = new type([0, 1, 2, 3, 4, 5, 6, 7, 8, 9]); | |
| 500 subarray = array.subarray(5, 11); | |
| 501 if (subarray.length != 5) { | |
| 502 fail(); | |
| 503 return; | |
| 504 } | |
| 505 subarray = array.subarray(10, 10); | |
| 506 if (subarray.length != 0) { | |
| 507 fail(); | |
| 508 return; | |
| 509 } | |
| 510 pass(); | |
| 511 } catch (e) { | |
| 512 fail(e); | |
| 513 } | |
| 514 } | |
| 515 | |
| 516 function testSetBoundaryConditions(type, name, testValues, expectedValues) { | |
| 517 running('test ' + name + ' SetBoundaryConditions'); | |
| 518 try { | |
| 519 var array = new type(1); | |
| 520 assertEq('Array length', 1, array.length); | |
| 521 for (var ii = 0; ii < testValues.length; ++ii) { | |
| 522 for (var jj = 0; jj < 10; ++jj) { | |
| 523 array[0] = testValues[ii]; | |
| 524 assertEq('Element 0', expectedValues[ii], array[0]); | |
| 525 } | |
| 526 } | |
| 527 pass(); | |
| 528 } catch (e) { | |
| 529 fail(e); | |
| 530 } | |
| 531 } | |
| 532 | |
| 533 function testConstructionBoundaryConditions(type, name, testValues, expectedValu
es) { | |
| 534 running('test ' + name + ' ConstructionBoundaryConditions'); | |
| 535 try { | |
| 536 var array = new type(testValues); | |
| 537 assertEq('Array length', testValues.length, array.length); | |
| 538 for (var ii = 0; ii < testValues.length; ++ii) { | |
| 539 assertEq('Element ' + ii, expectedValues[ii], array[ii]); | |
| 540 } | |
| 541 pass(); | |
| 542 } catch (e) { | |
| 543 fail(e); | |
| 544 } | |
| 545 } | |
| 546 | |
| 547 function testConstructionWithNullBuffer(type, name) { | |
| 548 var array; | |
| 549 try { | |
| 550 array = new type(null); | |
| 551 testFailed("Construction of " + name + " with null buffer should throw e
xception"); | |
| 552 } catch (e) { | |
| 553 testPassed("Construction of " + name + " with null buffer threw exceptio
n"); | |
| 554 } | |
| 555 try { | |
| 556 array = new type(null, 0, 0); | |
| 557 testFailed("Construction of " + name + " with (null buffer, 0) should th
row exception"); | |
| 558 } catch (e) { | |
| 559 testPassed("Construction of " + name + " with (null buffer, 0) threw exc
eption"); | |
| 560 } | |
| 561 try { | |
| 562 array = new type(null, 0, 0); | |
| 563 testFailed("Construction of " + name + " with (null buffer, 0, 0) should
throw exception"); | |
| 564 } catch (e) { | |
| 565 testPassed("Construction of " + name + " with (null buffer, 0, 0) threw
exception"); | |
| 566 } | |
| 567 } | |
| 568 | |
| 569 function testConstructionWithExceptionThrowingObject(type, name) { | |
| 570 var o = {}; | |
| 571 Object.defineProperty(o, "length", { get: function() { throw "bail;" }}); | |
| 572 try { | |
| 573 var array = new type(o); | |
| 574 } catch (e) { | |
| 575 } | |
| 576 testPassed("Construction of " + name + " with exception-throwing array-like
object didn't crash unexpectedly"); | |
| 577 } | |
| 578 | |
| 579 function shouldThrowIndexSizeErr(func, text) { | |
| 580 var errorText = text + " should throw an exception"; | |
| 581 try { | |
| 582 func(); | |
| 583 testFailed(errorText); | |
| 584 } catch (e) { | |
| 585 testPassed(text + " threw an exception"); | |
| 586 } | |
| 587 } | |
| 588 | |
| 589 function shouldThrowTypeError(func, text) { | |
| 590 var ok = false; | |
| 591 try { | |
| 592 func(); | |
| 593 } catch (e) { | |
| 594 if (e instanceof TypeError) { | |
| 595 ok = true; | |
| 596 } | |
| 597 } | |
| 598 if (ok) { | |
| 599 testPassed(text + " threw TypeError"); | |
| 600 } else { | |
| 601 testFailed(text + " should throw TypeError"); | |
| 602 } | |
| 603 } | |
| 604 | |
| 605 function testConstructionWithOutOfRangeValues(type, name) { | |
| 606 shouldThrowIndexSizeErr(function() { | |
| 607 var buffer = new ArrayBuffer(4); | |
| 608 var array = new type(buffer, 4, 0x3FFFFFFF); | |
| 609 }, "Construction of " + name + " with out-of-range number of elements"); | |
| 610 shouldThrowIndexSizeErr(function() { | |
| 611 var buffer = new ArrayBuffer(4); | |
| 612 var array = new type(buffer, 8); | |
| 613 }, "Construction of " + name + " with out-of-range offset"); | |
| 614 } | |
| 615 | |
| 616 function testConstructionWithNegativeOutOfRangeValues(type, name) { | |
| 617 try { | |
| 618 var buffer = new ArrayBuffer(-1); | |
| 619 testFailed("Construction of ArrayBuffer with negative size should throw
exception"); | |
| 620 } catch (e) { | |
| 621 testPassed("Construction of ArrayBuffer with negative size threw excepti
on"); | |
| 622 } | |
| 623 try { | |
| 624 var array = new type(-1); | |
| 625 testFailed("Construction of " + name + " with negative size should throw
exception"); | |
| 626 } catch (e) { | |
| 627 testPassed("Construction of " + name + " with negative size threw except
ion"); | |
| 628 } | |
| 629 shouldThrowIndexSizeErr(function() { | |
| 630 var buffer = new ArrayBuffer(4); | |
| 631 var array = new type(buffer, 4, -2147483648); | |
| 632 }, "Construction of " + name + " with negative out-of-range values"); | |
| 633 } | |
| 634 | |
| 635 function testConstructionWithUnalignedOffset(type, name, elementSizeInBytes) { | |
| 636 if (elementSizeInBytes > 1) { | |
| 637 shouldThrowIndexSizeErr(function() { | |
| 638 var buffer = new ArrayBuffer(32); | |
| 639 var array = new type(buffer, 1, elementSizeInBytes); | |
| 640 }, "Construction of " + name + " with unaligned offset"); | |
| 641 } | |
| 642 } | |
| 643 | |
| 644 function testConstructionWithUnalignedLength(type, name, elementSizeInBytes) { | |
| 645 if (elementSizeInBytes > 1) { | |
| 646 shouldThrowIndexSizeErr(function() { | |
| 647 var buffer = new ArrayBuffer(elementSizeInBytes + 1); | |
| 648 var array = new type(buffer, 0); | |
| 649 }, "Construction of " + name + " with unaligned length"); | |
| 650 } | |
| 651 } | |
| 652 | |
| 653 function testConstructionWithBothArrayBufferAndLength(type, name, elementSizeInB
ytes) { | |
| 654 var bufByteLength = 1000 * elementSizeInBytes; | |
| 655 var buf = new ArrayBuffer(bufByteLength); | |
| 656 var array1 = new type(buf); | |
| 657 var array2 = new type(bufByteLength / elementSizeInBytes); | |
| 658 if (array1.length == array2.length) { | |
| 659 testPassed("Array lengths matched with explicit and implicit creation of
ArrayBuffer"); | |
| 660 } else { | |
| 661 testFailed("Array lengths DID NOT MATCH with explicit and implicit creat
ion of ArrayBuffer"); | |
| 662 } | |
| 663 } | |
| 664 | |
| 665 function testConstructionWithSubPortionOfArrayBuffer(type, name, elementSizeInBy
tes) { | |
| 666 if (elementSizeInBytes > 1) { | |
| 667 // Test construction with a valid sub-portion of an array buffer | |
| 668 // (whose size is not an integral multiple of the element size). | |
| 669 var size = 4 * elementSizeInBytes + (elementSizeInBytes / 2); | |
| 670 var buf = new ArrayBuffer(size); | |
| 671 try { | |
| 672 var array = new type(buf, 0, 2); | |
| 673 testPassed("new " + name + "(new ArrayBuffer(" + size + "), 0, 2) su
cceeded"); | |
| 674 } catch (e) { | |
| 675 testFailed("new " + name + "(new ArrayBuffer(" + size + "), 0, 2) fa
iled: " + e); | |
| 676 } | |
| 677 } | |
| 678 } | |
| 679 | |
| 680 // These need to be global for shouldBe to see them | |
| 681 var array; | |
| 682 var typeSize; | |
| 683 | |
| 684 function testSubarrayWithOutOfRangeValues(type, name, sz) { | |
| 685 debug("Testing subarray of " + name); | |
| 686 try { | |
| 687 var buffer = new ArrayBuffer(32); | |
| 688 array = new type(buffer); | |
| 689 typeSize = sz; | |
| 690 shouldBe("array.length", "32 / typeSize"); | |
| 691 try { | |
| 692 shouldBe("array.subarray(4, 0x3FFFFFFF).length", "(32 / typeSize) -
4"); | |
| 693 shouldBe("array.subarray(4, -2147483648).length", "0"); | |
| 694 // Test subarray() against overflows. | |
| 695 array = array.subarray(2); | |
| 696 if (sz > 1) { | |
| 697 // Full byte offset is +1 larger than the maximum unsigned long
int. | |
| 698 // Make sure subarray() still handles it correctly. Otherwise o
verflow would happen and | |
| 699 // offset would be 0, and array.length array.length would incorr
ectly be 1. | |
| 700 var start = 4294967296 / sz - 2; | |
| 701 array = array.subarray(start, start + 1); | |
| 702 shouldBe("array.length", "0"); | |
| 703 } | |
| 704 } catch (e) { | |
| 705 testFailed("Subarray of " + name + " threw exception"); | |
| 706 } | |
| 707 } catch (e) { | |
| 708 testFailed("Exception: " + e); | |
| 709 } | |
| 710 } | |
| 711 | |
| 712 function testSubarrayWithDefaultValues(type, name, sz) { | |
| 713 debug("Testing subarray with default inputs of " + name); | |
| 714 try { | |
| 715 var buffer = new ArrayBuffer(32); | |
| 716 array = new type(buffer); | |
| 717 typeSize = sz; | |
| 718 shouldBe("array.length", "32 / typeSize"); | |
| 719 try { | |
| 720 shouldBe("array.subarray(0).length", "(32 / typeSize)"); | |
| 721 shouldBe("array.subarray(2).length", "(32 / typeSize) - 2"); | |
| 722 shouldBe("array.subarray(-2).length", "2"); | |
| 723 shouldBe("array.subarray(-2147483648).length", "(32 / typeSize)"); | |
| 724 } catch (e) { | |
| 725 testFailed("Subarray of " + name + " threw exception"); | |
| 726 } | |
| 727 } catch (e) { | |
| 728 testFailed("Exception: " + e); | |
| 729 } | |
| 730 } | |
| 731 | |
| 732 function setWithInvalidOffset(type, name, length, | |
| 733 sourceType, sourceName, sourceLength, | |
| 734 offset, offsetDescription) { | |
| 735 var webglArray = new type(length); | |
| 736 var sourceArray = new sourceType(sourceLength); | |
| 737 for (var i = 0; i < sourceLength; i++) | |
| 738 sourceArray[i] = 42 + i; | |
| 739 try { | |
| 740 webglArray.set(sourceArray, offset); | |
| 741 testFailed("Setting " + name + " from " + sourceName + " with " + | |
| 742 offsetDescription + " offset was not caught"); | |
| 743 } catch (e) { | |
| 744 testPassed("Setting " + name + " from " + sourceName + " with " + | |
| 745 offsetDescription + " offset was caught"); | |
| 746 } | |
| 747 } | |
| 748 | |
| 749 function setWithValidOffset(type, name, length, | |
| 750 sourceType, sourceName, sourceLength, | |
| 751 offset, offsetDescription) { | |
| 752 running("Setting " + name + " from " + sourceName + " with " + | |
| 753 offsetDescription + " offset"); | |
| 754 var webglArray = new type(length); | |
| 755 var sourceArray = new sourceType(sourceLength); | |
| 756 for (var i = 0; i < sourceLength; i++) | |
| 757 sourceArray[i] = 42 + i; | |
| 758 try { | |
| 759 webglArray.set(sourceArray, offset); | |
| 760 offset = Math.floor(offset); | |
| 761 for (var i = 0; i < sourceLength; i++) { | |
| 762 assertEq("Element " + i + offset, sourceArray[i], webglArray[i + off
set]); | |
| 763 } | |
| 764 pass(); | |
| 765 } catch (e) { | |
| 766 fail(e); | |
| 767 } | |
| 768 } | |
| 769 | |
| 770 | |
| 771 function testSettingFromArrayWithOutOfRangeOffset(type, name) { | |
| 772 setWithInvalidOffset(type, name, 32, Array, "array", 16, | |
| 773 0x7FFFFFF8, "out-of-range"); | |
| 774 } | |
| 775 | |
| 776 function testSettingFromTypedArrayWithOutOfRangeOffset(type, name) { | |
| 777 setWithInvalidOffset(type, name, 32, type, name, 16, | |
| 778 0x7FFFFFF8, "out-of-range"); | |
| 779 } | |
| 780 | |
| 781 function testSettingFromArrayWithNegativeOffset(type, name) { | |
| 782 setWithInvalidOffset(type, name, 32, Array, "array", 16, | |
| 783 -1, "negative"); | |
| 784 } | |
| 785 | |
| 786 function testSettingFromTypedArrayWithNegativeOffset(type, name) { | |
| 787 setWithInvalidOffset(type, name, 32, type, name, 16, | |
| 788 -1, "negative"); | |
| 789 } | |
| 790 | |
| 791 function testSettingFromArrayWithMinusZeroOffset(type, name) { | |
| 792 setWithValidOffset(type, name, 32, Array, "array", 16, | |
| 793 -0, "-0"); | |
| 794 } | |
| 795 | |
| 796 function testSettingFromTypedArrayWithMinusZeroOffset(type, name) { | |
| 797 setWithValidOffset(type, name, 32, type, name, 16, | |
| 798 -0, "-0"); | |
| 799 } | |
| 800 | |
| 801 function testSettingFromArrayWithBoundaryOffset(type, name) { | |
| 802 setWithValidOffset(type, name, 32, Array, "array", 16, | |
| 803 16, "boundary"); | |
| 804 } | |
| 805 | |
| 806 function testSettingFromTypedArrayWithBoundaryOffset(type, name) { | |
| 807 setWithValidOffset(type, name, 32, type, name, 16, | |
| 808 16, "boundary"); | |
| 809 } | |
| 810 | |
| 811 function testSettingFromArrayWithNonIntegerOffset(type, name) { | |
| 812 setWithValidOffset(type, name, 32, Array, "array", 16, | |
| 813 16.999, "non-integer"); | |
| 814 } | |
| 815 | |
| 816 function testSettingFromTypedArrayWithNonIntegerOffset(type, name) { | |
| 817 setWithValidOffset(type, name, 32, type, name, 16, | |
| 818 16.999, "non-integer"); | |
| 819 } | |
| 820 | |
| 821 function testSettingFromFakeArrayWithOutOfRangeLength(type, name) { | |
| 822 var webglArray = new type(32); | |
| 823 var array = {}; | |
| 824 array.length = 0x80000000; | |
| 825 try { | |
| 826 webglArray.set(array, 8); | |
| 827 testFailed("Setting " + name + " from fake array with invalid length was
not caught"); | |
| 828 } catch (e) { | |
| 829 testPassed("Setting " + name + " from fake array with invalid length was
caught"); | |
| 830 } | |
| 831 } | |
| 832 | |
| 833 | |
| 834 function negativeTestGetAndSetMethods(type, name) { | |
| 835 array = new type([2, 3]); | |
| 836 shouldBeUndefined("array.get"); | |
| 837 var exceptionThrown = false; | |
| 838 // We deliberately check for an exception here rather than using | |
| 839 // shouldThrow here because the precise contents of the syntax | |
| 840 // error are not specified. | |
| 841 try { | |
| 842 webGLArray.set(0, 1); | |
| 843 } catch (e) { | |
| 844 exceptionThrown = true; | |
| 845 } | |
| 846 var output = "array.set(0, 1) "; | |
| 847 if (exceptionThrown) { | |
| 848 testPassed(output + "threw exception."); | |
| 849 } else { | |
| 850 testFailed(output + "did not throw exception."); | |
| 851 } | |
| 852 } | |
| 853 | |
| 854 function testNaNConversion(type, name) { | |
| 855 running('test storing NaN in ' + name); | |
| 856 | |
| 857 var array = new type([1, 1]); | |
| 858 var results = []; | |
| 859 | |
| 860 // The code block in each of the case statements below is identical, but some | |
| 861 // JavaScript engines need separate copies in order to exercise all of | |
| 862 // their optimized code paths. | |
| 863 try { | |
| 864 switch (type) { | |
| 865 case Float32Array: | |
| 866 for (var i = 0; i < array.length; ++i) { | |
| 867 array[i] = NaN; | |
| 868 results[i] = array[i]; | |
| 869 } | |
| 870 break; | |
| 871 case Float64Array: | |
| 872 for (var i = 0; i < array.length; ++i) { | |
| 873 array[i] = NaN; | |
| 874 results[i] = array[i]; | |
| 875 } | |
| 876 break; | |
| 877 case Int8Array: | |
| 878 for (var i = 0; i < array.length; ++i) { | |
| 879 array[i] = NaN; | |
| 880 results[i] = array[i]; | |
| 881 } | |
| 882 break; | |
| 883 case Int16Array: | |
| 884 for (var i = 0; i < array.length; ++i) { | |
| 885 array[i] = NaN; | |
| 886 results[i] = array[i]; | |
| 887 } | |
| 888 break; | |
| 889 case Int32Array: | |
| 890 for (var i = 0; i < array.length; ++i) { | |
| 891 array[i] = NaN; | |
| 892 results[i] = array[i]; | |
| 893 } | |
| 894 break; | |
| 895 case Uint8Array: | |
| 896 for (var i = 0; i < array.length; ++i) { | |
| 897 array[i] = NaN; | |
| 898 results[i] = array[i]; | |
| 899 } | |
| 900 break; | |
| 901 case Uint8ClampedArray: | |
| 902 for (var i = 0; i < array.length; ++i) { | |
| 903 array[i] = NaN; | |
| 904 results[i] = array[i]; | |
| 905 } | |
| 906 break; | |
| 907 case Uint16Array: | |
| 908 for (var i = 0; i < array.length; ++i) { | |
| 909 array[i] = NaN; | |
| 910 results[i] = array[i]; | |
| 911 } | |
| 912 break; | |
| 913 case Uint32Array: | |
| 914 for (var i = 0; i < array.length; ++i) { | |
| 915 array[i] = NaN; | |
| 916 results[i] = array[i]; | |
| 917 } | |
| 918 break; | |
| 919 default: | |
| 920 fail("Unhandled type"); | |
| 921 break; | |
| 922 } | |
| 923 | |
| 924 // Some types preserve NaN values; all other types convert NaN to zero. | |
| 925 if (type === Float32Array || type === Float64Array) { | |
| 926 assert('initial NaN preserved', isNaN(new type([NaN])[0])); | |
| 927 for (var i = 0; i < array.length; ++i) | |
| 928 assert('NaN preserved via setter', isNaN(results[i])); | |
| 929 } else { | |
| 930 assertEq('initial NaN converted to zero', 0, new type([NaN])[0]); | |
| 931 for (var i = 0; i < array.length; ++i) | |
| 932 assertEq('NaN converted to zero by setter', 0, results[i]); | |
| 933 } | |
| 934 | |
| 935 pass(); | |
| 936 } catch (e) { | |
| 937 fail(e); | |
| 938 } | |
| 939 } | |
| 940 | |
| 941 // | |
| 942 // Test driver | |
| 943 // | |
| 944 | |
| 945 function runTests() { | |
| 946 allPassed = true; | |
| 947 | |
| 948 testSlice(); | |
| 949 testInheritanceHierarchy(); | |
| 950 | |
| 951 for (var i = 0; i < testCases.length; i++) { | |
| 952 var testCase = testCases[i]; | |
| 953 running(testCase.name); | |
| 954 if (!(testCase.name in window)) { | |
| 955 fail("does not exist"); | |
| 956 continue; | |
| 957 } | |
| 958 var type = window[testCase.name]; | |
| 959 var name = testCase.name; | |
| 960 if (testCase.unsigned) { | |
| 961 testSetAndGet10To1(type, name); | |
| 962 testConstructWithArrayOfUnsignedValues(type, name); | |
| 963 testConstructWithTypedArrayOfUnsignedValues(type, name); | |
| 964 } else { | |
| 965 testSetAndGetPos10ToNeg10(type, name); | |
| 966 testConstructWithArrayOfSignedValues(type, name); | |
| 967 testConstructWithTypedArrayOfSignedValues(type, name); | |
| 968 } | |
| 969 if (testCase.integral) { | |
| 970 testIntegralArrayTruncationBehavior(type, name, testCase.unsigned); | |
| 971 } | |
| 972 testGetWithOutOfRangeIndices(type, name); | |
| 973 testOffsetsAndSizes(type, name, testCase.elementSizeInBytes); | |
| 974 testSetFromTypedArray(type, name); | |
| 975 negativeTestSetFromTypedArray(type, name); | |
| 976 testSetFromArray(type, name); | |
| 977 negativeTestSetFromArray(type, name); | |
| 978 testSubarray(type, name); | |
| 979 testSubarrayOffsetAndLengthClamping(type, name); | |
| 980 negativeTestSubarray(type, name); | |
| 981 testSetBoundaryConditions(type, | |
| 982 name, | |
| 983 testCase.testValues, | |
| 984 testCase.expectedValues); | |
| 985 testConstructionBoundaryConditions(type, | |
| 986 name, | |
| 987 testCase.testValues, | |
| 988 testCase.expectedValues); | |
| 989 testConstructionWithNullBuffer(type, name); | |
| 990 testConstructionWithExceptionThrowingObject(type, name); | |
| 991 testConstructionWithOutOfRangeValues(type, name); | |
| 992 testConstructionWithNegativeOutOfRangeValues(type, name); | |
| 993 testConstructionWithUnalignedOffset(type, name, testCase.elementSizeInBytes)
; | |
| 994 testConstructionWithUnalignedLength(type, name, testCase.elementSizeInBytes)
; | |
| 995 testConstructionWithBothArrayBufferAndLength(type, name, testCase.elementSiz
eInBytes); | |
| 996 testConstructionWithSubPortionOfArrayBuffer(type, name, testCase.elementSize
InBytes); | |
| 997 testSubarrayWithOutOfRangeValues(type, name, testCase.elementSizeInBytes); | |
| 998 testSubarrayWithDefaultValues(type, name, testCase.elementSizeInBytes); | |
| 999 testSettingFromArrayWithOutOfRangeOffset(type, name); | |
| 1000 testSettingFromTypedArrayWithOutOfRangeOffset(type, name); | |
| 1001 testSettingFromArrayWithNegativeOffset(type, name); | |
| 1002 testSettingFromTypedArrayWithNegativeOffset(type, name); | |
| 1003 testSettingFromArrayWithMinusZeroOffset(type, name); | |
| 1004 testSettingFromTypedArrayWithMinusZeroOffset(type, name); | |
| 1005 testSettingFromArrayWithBoundaryOffset(type, name); | |
| 1006 testSettingFromTypedArrayWithBoundaryOffset(type, name); | |
| 1007 testSettingFromArrayWithNonIntegerOffset(type, name); | |
| 1008 testSettingFromTypedArrayWithNonIntegerOffset(type, name); | |
| 1009 testSettingFromFakeArrayWithOutOfRangeLength(type, name); | |
| 1010 negativeTestGetAndSetMethods(type, name); | |
| 1011 testNaNConversion(type, name); | |
| 1012 } | |
| 1013 | |
| 1014 printSummary(); | |
| 1015 } | |
| 1016 | |
| 1017 runTests(); | |
| 1018 var successfullyParsed = true; | |
| 1019 | |
| 1020 </script> | |
| 1021 | |
| 1022 </body> | |
| 1023 </html> | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1601093008:
Remove duplicated WebGL layout tests. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master