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| 1 <!-- |
| 2 Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 3 Copyright (C) 2011 Apple Computer, Inc. All rights reserved. |
| 4 |
| 5 Redistribution and use in source and binary forms, with or without |
| 6 modification, are permitted provided that the following conditions are |
| 7 met: |
| 8 |
| 9 * Redistributions of source code must retain the above copyright |
| 10 notice, this list of conditions and the following disclaimer. |
| 11 * Redistributions in binary form must reproduce the above |
| 12 copyright notice, this list of conditions and the following disclaimer |
| 13 in the documentation and/or other materials provided with the |
| 14 distribution. |
| 15 * Neither the name of Google Inc. nor the names of its |
| 16 contributors may be used to endorse or promote products derived from |
| 17 this software without specific prior written permission. |
| 18 |
| 19 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 20 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 21 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 22 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 23 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 24 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 25 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 26 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 27 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 28 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 29 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 30 --> |
| 31 <!DOCTYPE html> |
| 32 <html> |
| 33 <head> |
| 34 <meta charset="utf-8"> |
| 35 <link rel="stylesheet" href="../../resources/js-test-style.css"/> |
| 36 <script src="../../resources/js-test-pre.js"></script> |
| 37 <script src="../resources/webgl-test.js"></script> |
| 38 </head> |
| 39 <body> |
| 40 <div id="description"></div> |
| 41 <div id="console"></div> |
| 42 |
| 43 <script> |
| 44 |
| 45 description("Verifies the functionality of the new array-like objects in the Typ
edArray spec"); |
| 46 |
| 47 var currentlyRunning = ''; |
| 48 var allPassed = true; |
| 49 function running(str) { |
| 50 currentlyRunning = str; |
| 51 } |
| 52 |
| 53 function output(str) { |
| 54 debug(str); |
| 55 } |
| 56 |
| 57 function pass() { |
| 58 testPassed(currentlyRunning); |
| 59 } |
| 60 |
| 61 function fail(str) { |
| 62 allPassed = false; |
| 63 var exc; |
| 64 if (str) |
| 65 exc = currentlyRunning + ': ' + str; |
| 66 else |
| 67 exc = currentlyRunning; |
| 68 testFailed(exc); |
| 69 } |
| 70 |
| 71 function assertEq(prefix, expected, val) { |
| 72 if (expected != val) { |
| 73 var str = prefix + ': expected ' + expected + ', got ' + val; |
| 74 throw str; |
| 75 } |
| 76 } |
| 77 |
| 78 function assert(prefix, expected) { |
| 79 if (!expected) { |
| 80 var str = prefix + ': expected value / true'; |
| 81 throw str; |
| 82 } |
| 83 } |
| 84 |
| 85 function printSummary() { |
| 86 if (allPassed) { |
| 87 debug("Test passed."); |
| 88 } else { |
| 89 debug("TEST FAILED"); |
| 90 } |
| 91 } |
| 92 |
| 93 // |
| 94 // Tests for unsigned array variants |
| 95 // |
| 96 |
| 97 function testSetAndGet10To1(type, name) { |
| 98 running('test ' + name + ' SetAndGet10To1'); |
| 99 try { |
| 100 var array = new type(10); |
| 101 for (var i = 0; i < 10; i++) { |
| 102 array[i] = 10 - i; |
| 103 } |
| 104 for (var i = 0; i < 10; i++) { |
| 105 assertEq('Element ' + i, 10 - i, array[i]); |
| 106 } |
| 107 pass(); |
| 108 } catch (e) { |
| 109 fail(e); |
| 110 } |
| 111 } |
| 112 |
| 113 function testConstructWithArrayOfUnsignedValues(type, name) { |
| 114 running('test ' + name + ' ConstructWithArrayOfUnsignedValues'); |
| 115 try { |
| 116 var array = new type([10, 9, 8, 7, 6, 5, 4, 3, 2, 1]); |
| 117 assertEq('Array length', 10, array.length); |
| 118 for (var i = 0; i < 10; i++) { |
| 119 assertEq('Element ' + i, 10 - i, array[i]); |
| 120 } |
| 121 pass(); |
| 122 } catch (e) { |
| 123 fail(e); |
| 124 } |
| 125 } |
| 126 |
| 127 function testConstructWithTypedArrayOfUnsignedValues(type, name) { |
| 128 running('test ' + name + ' ConstructWithTypedArrayOfUnsignedValues'); |
| 129 try { |
| 130 var tmp = new type([10, 9, 8, 7, 6, 5, 4, 3, 2, 1]); |
| 131 var array = new type(tmp); |
| 132 assertEq('Array length', 10, array.length); |
| 133 for (var i = 0; i < 10; i++) { |
| 134 assertEq('Element ' + i, 10 - i, array[i]); |
| 135 } |
| 136 pass(); |
| 137 } catch (e) { |
| 138 fail(e); |
| 139 } |
| 140 } |
| 141 |
| 142 // |
| 143 // Tests for signed array variants |
| 144 // |
| 145 |
| 146 function testSetAndGetPos10ToNeg10(type, name) { |
| 147 running('test ' + name + ' SetAndGetPos10ToNeg10'); |
| 148 try { |
| 149 var array = new type(21); |
| 150 for (var i = 0; i < 21; i++) { |
| 151 array[i] = 10 - i; |
| 152 } |
| 153 for (var i = 0; i < 21; i++) { |
| 154 assertEq('Element ' + i, 10 - i, array[i]); |
| 155 } |
| 156 pass(); |
| 157 } catch (e) { |
| 158 fail(e); |
| 159 } |
| 160 } |
| 161 |
| 162 function testConstructWithArrayOfSignedValues(type, name) { |
| 163 running('test ' + name + ' ConstructWithArrayOfSignedValues'); |
| 164 try { |
| 165 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]); |
| 166 assertEq('Array length', 21, array.length); |
| 167 for (var i = 0; i < 21; i++) { |
| 168 assertEq('Element ' + i, 10 - i, array[i]); |
| 169 } |
| 170 pass(); |
| 171 } catch (e) { |
| 172 fail(e); |
| 173 } |
| 174 } |
| 175 |
| 176 function testConstructWithTypedArrayOfSignedValues(type, name) { |
| 177 running('test ' + name + ' ConstructWithTypedArrayOfSignedValues'); |
| 178 try { |
| 179 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]); |
| 180 var array = new type(tmp); |
| 181 assertEq('Array length', 21, array.length); |
| 182 for (var i = 0; i < 21; i++) { |
| 183 assertEq('Element ' + i, 10 - i, array[i]); |
| 184 } |
| 185 pass(); |
| 186 } catch (e) { |
| 187 fail(e); |
| 188 } |
| 189 } |
| 190 |
| 191 // |
| 192 // Test cases for integral types. |
| 193 // Some JavaScript engines need separate copies of this code in order |
| 194 // to exercise all of their optimized code paths. |
| 195 // |
| 196 |
| 197 function testIntegralArrayTruncationBehavior(type, name, unsigned) { |
| 198 running('test integral array truncation behavior for ' + name); |
| 199 |
| 200 var sourceData; |
| 201 var expectedResults; |
| 202 |
| 203 if (unsigned) { |
| 204 sourceData = [0.6, 10.6]; |
| 205 expectedResults = [0, 10]; |
| 206 } else { |
| 207 sourceData = [0.6, 10.6, -0.6, -10.6]; |
| 208 expectedResults = [0, 10, 0, -10]; |
| 209 } |
| 210 |
| 211 var numIterations = 10; |
| 212 var array = new type(numIterations); |
| 213 |
| 214 // The code block in each of the case statements below is identical, but some |
| 215 // JavaScript engines need separate copies in order to exercise all of |
| 216 // their optimized code paths. |
| 217 |
| 218 try { |
| 219 switch (type) { |
| 220 case Int8Array: |
| 221 for (var ii = 0; ii < sourceData.length; ++ii) { |
| 222 for (var jj = 0; jj < numIterations; ++jj) { |
| 223 array[jj] = sourceData[ii]; |
| 224 assertEq('Storing ' + sourceData[ii], expectedResults[ii], array[jj]); |
| 225 } |
| 226 } |
| 227 break; |
| 228 case Int16Array: |
| 229 for (var ii = 0; ii < sourceData.length; ++ii) { |
| 230 for (var jj = 0; jj < numIterations; ++jj) { |
| 231 array[jj] = sourceData[ii]; |
| 232 assertEq('Storing ' + sourceData[ii], expectedResults[ii], array[jj]); |
| 233 } |
| 234 } |
| 235 break; |
| 236 case Int32Array: |
| 237 for (var ii = 0; ii < sourceData.length; ++ii) { |
| 238 for (var jj = 0; jj < numIterations; ++jj) { |
| 239 array[jj] = sourceData[ii]; |
| 240 assertEq('Storing ' + sourceData[ii], expectedResults[ii], array[jj]); |
| 241 } |
| 242 } |
| 243 break; |
| 244 case Uint8Array: |
| 245 for (var ii = 0; ii < sourceData.length; ++ii) { |
| 246 for (var jj = 0; jj < numIterations; ++jj) { |
| 247 array[jj] = sourceData[ii]; |
| 248 assertEq('Storing ' + sourceData[ii], expectedResults[ii], array[jj]); |
| 249 } |
| 250 } |
| 251 break; |
| 252 case Uint16Array: |
| 253 for (var ii = 0; ii < sourceData.length; ++ii) { |
| 254 for (var jj = 0; jj < numIterations; ++jj) { |
| 255 array[jj] = sourceData[ii]; |
| 256 assertEq('Storing ' + sourceData[ii], expectedResults[ii], array[jj]); |
| 257 } |
| 258 } |
| 259 break; |
| 260 case Uint32Array: |
| 261 for (var ii = 0; ii < sourceData.length; ++ii) { |
| 262 for (var jj = 0; jj < numIterations; ++jj) { |
| 263 array[jj] = sourceData[ii]; |
| 264 assertEq('Storing ' + sourceData[ii], expectedResults[ii], array[jj]); |
| 265 } |
| 266 } |
| 267 break; |
| 268 default: |
| 269 fail("Unhandled type"); |
| 270 break; |
| 271 } |
| 272 |
| 273 pass(); |
| 274 } catch (e) { |
| 275 fail(e); |
| 276 } |
| 277 } |
| 278 |
| 279 |
| 280 // |
| 281 // Test cases for both signed and unsigned types |
| 282 // |
| 283 |
| 284 function testGetWithOutOfRangeIndices(type, name) { |
| 285 debug('Testing ' + name + ' GetWithOutOfRangeIndices'); |
| 286 // See below for declaration of this global variable |
| 287 array = new type([2, 3]); |
| 288 shouldBeUndefined("array[2]"); |
| 289 shouldBeUndefined("array[-1]"); |
| 290 shouldBeUndefined("array[0x20000000]"); |
| 291 } |
| 292 |
| 293 function testOffsetsAndSizes(type, name, elementSizeInBytes) { |
| 294 running('test ' + name + ' OffsetsAndSizes'); |
| 295 try { |
| 296 var len = 10; |
| 297 assertEq('type.BYTES_PER_ELEMENT', elementSizeInBytes, type.BYTES_PER_ELEMEN
T); |
| 298 var array = new type(len); |
| 299 assert('array.buffer', array.buffer); |
| 300 assertEq('array.byteOffset', 0, array.byteOffset); |
| 301 assertEq('array.length', len, array.length); |
| 302 assertEq('array.byteLength', len * elementSizeInBytes, array.byteLength); |
| 303 array = new type(array.buffer, elementSizeInBytes, len - 1); |
| 304 assert('array.buffer', array.buffer); |
| 305 assertEq('array.byteOffset', elementSizeInBytes, array.byteOffset); |
| 306 assertEq('array.length', len - 1, array.length); |
| 307 assertEq('array.byteLength', (len - 1) * elementSizeInBytes, array.byteLengt
h); |
| 308 pass(); |
| 309 } catch (e) { |
| 310 fail(e); |
| 311 } |
| 312 } |
| 313 |
| 314 function testSetFromTypedArray(type, name) { |
| 315 running('test ' + name + ' SetFromTypedArray'); |
| 316 try { |
| 317 var array = new type(10); |
| 318 var array2 = new type(5); |
| 319 for (var i = 0; i < 10; i++) { |
| 320 assertEq('Element ' + i, 0, array[i]); |
| 321 } |
| 322 for (var i = 0; i < array2.length; i++) { |
| 323 array2[i] = i; |
| 324 } |
| 325 array.set(array2); |
| 326 for (var i = 0; i < array2.length; i++) { |
| 327 assertEq('Element ' + i, i, array[i]); |
| 328 } |
| 329 array.set(array2, 5); |
| 330 for (var i = 0; i < array2.length; i++) { |
| 331 assertEq('Element ' + i, i, array[5 + i]); |
| 332 } |
| 333 pass(); |
| 334 } catch (e) { |
| 335 fail(e); |
| 336 } |
| 337 } |
| 338 |
| 339 function negativeTestSetFromTypedArray(type, name) { |
| 340 running('negativeTest ' + name + ' SetFromTypedArray'); |
| 341 try { |
| 342 var array = new type(5); |
| 343 var array2 = new type(6); |
| 344 for (var i = 0; i < 5; i++) { |
| 345 assertEq('Element ' + i, 0, array[i]); |
| 346 } |
| 347 for (var i = 0; i < array2.length; i++) { |
| 348 array2[i] = i; |
| 349 } |
| 350 try { |
| 351 array.set(array2); |
| 352 fail('Expected exception from array.set(array2)'); |
| 353 return; |
| 354 } catch (e) { |
| 355 } |
| 356 try { |
| 357 array2.set(array, 2); |
| 358 fail('Expected exception from array2.set(array, 2)'); |
| 359 return; |
| 360 } catch (e) { |
| 361 } |
| 362 pass(); |
| 363 } catch (e) { |
| 364 fail(e); |
| 365 } |
| 366 } |
| 367 |
| 368 function testSetFromArray(type, name) { |
| 369 running('test ' + name + ' SetFromArray'); |
| 370 try { |
| 371 var array = new type(10); |
| 372 var array2 = [10, 9, 8, 7, 6, 5, 4, 3, 2, 1]; |
| 373 for (var i = 0; i < 10; i++) { |
| 374 assertEq('Element ' + i, 0, array[i]); |
| 375 } |
| 376 array.set(array2, 0); |
| 377 for (var i = 0; i < array2.length; i++) { |
| 378 assertEq('Element ' + i, 10 - i, array[i]); |
| 379 } |
| 380 pass(); |
| 381 } catch (e) { |
| 382 fail(e); |
| 383 } |
| 384 } |
| 385 |
| 386 function negativeTestSetFromArray(type, name) { |
| 387 running('negativeTest ' + name + ' SetFromArray'); |
| 388 try { |
| 389 var array = new type([2, 3]); |
| 390 try { |
| 391 array.set([4, 5], 1); |
| 392 fail(); |
| 393 return; |
| 394 } catch (e) { |
| 395 } |
| 396 try { |
| 397 array.set([4, 5, 6]); |
| 398 fail(); |
| 399 return; |
| 400 } catch (e) { |
| 401 } |
| 402 pass(); |
| 403 } catch (e) { |
| 404 fail(e); |
| 405 } |
| 406 } |
| 407 |
| 408 function testSubarray(type, name) { |
| 409 running('test ' + name + ' Subarray'); |
| 410 try { |
| 411 var array = new type([0, 1, 2, 3, 4, 5, 6, 7, 8, 9]); |
| 412 var subarray = array.subarray(0, 5); |
| 413 assertEq('subarray.length', 5, subarray.length); |
| 414 for (var i = 0; i < 5; i++) { |
| 415 assertEq('Element ' + i, i, subarray[i]); |
| 416 } |
| 417 subarray = array.subarray(4, 10); |
| 418 assertEq('subarray.length', 6, subarray.length); |
| 419 for (var i = 0; i < 6; i++) { |
| 420 assertEq('Element ' + i, 4 + i, subarray[i]); |
| 421 } |
| 422 pass(); |
| 423 } catch (e) { |
| 424 fail(e); |
| 425 } |
| 426 } |
| 427 |
| 428 function negativeTestSubarray(type, name) { |
| 429 running('negativeTest ' + name + ' Subarray'); |
| 430 try { |
| 431 var array = new type([0, 1, 2, 3, 4, 5, 6, 7, 8, 9]); |
| 432 subarray = array.subarray(5, 11); |
| 433 if (subarray.length != 5) { |
| 434 fail(); |
| 435 return; |
| 436 } |
| 437 subarray = array.subarray(10, 10); |
| 438 if (subarray.length != 0) { |
| 439 fail(); |
| 440 return; |
| 441 } |
| 442 pass(); |
| 443 } catch (e) { |
| 444 fail(e); |
| 445 } |
| 446 } |
| 447 |
| 448 function testSetBoundaryConditions(type, name, testValues, expectedValues) { |
| 449 running('test ' + name + ' SetBoundaryConditions'); |
| 450 try { |
| 451 var array = new type(1); |
| 452 assertEq('Array length', 1, array.length); |
| 453 for (var ii = 0; ii < testValues.length; ++ii) { |
| 454 for (var jj = 0; jj < 10; ++jj) { |
| 455 array[0] = testValues[ii]; |
| 456 assertEq('Element 0', expectedValues[ii], array[0]); |
| 457 } |
| 458 } |
| 459 pass(); |
| 460 } catch (e) { |
| 461 fail(e); |
| 462 } |
| 463 } |
| 464 |
| 465 function testConstructionBoundaryConditions(type, name, testValues, expectedValu
es) { |
| 466 running('test ' + name + ' ConstructionBoundaryConditions'); |
| 467 try { |
| 468 var array = new type(testValues); |
| 469 assertEq('Array length', testValues.length, array.length); |
| 470 for (var ii = 0; ii < testValues.length; ++ii) { |
| 471 assertEq('Element ' + ii, expectedValues[ii], array[ii]); |
| 472 } |
| 473 pass(); |
| 474 } catch (e) { |
| 475 fail(e); |
| 476 } |
| 477 } |
| 478 |
| 479 function testConstructionWithNullBuffer(type, name) { |
| 480 var array; |
| 481 try { |
| 482 array = new type(null); |
| 483 testFailed("Construction of " + name + " with null buffer should throw e
xception"); |
| 484 } catch (e) { |
| 485 testPassed("Construction of " + name + " with null buffer threw exceptio
n"); |
| 486 } |
| 487 try { |
| 488 array = new type(null, 0, 0); |
| 489 testFailed("Construction of " + name + " with (null buffer, 0) should th
row exception"); |
| 490 } catch (e) { |
| 491 testPassed("Construction of " + name + " with (null buffer, 0) threw exc
eption"); |
| 492 } |
| 493 try { |
| 494 array = new type(null, 0, 0); |
| 495 testFailed("Construction of " + name + " with (null buffer, 0, 0) should
throw exception"); |
| 496 } catch (e) { |
| 497 testPassed("Construction of " + name + " with (null buffer, 0, 0) threw
exception"); |
| 498 } |
| 499 } |
| 500 |
| 501 function shouldThrowIndexSizeErr(func, text) { |
| 502 var errorText = text + " should throw an exception"; |
| 503 try { |
| 504 func(); |
| 505 testFailed(errorText); |
| 506 } catch (e) { |
| 507 testPassed(text + " threw an exception"); |
| 508 } |
| 509 } |
| 510 |
| 511 function testConstructionWithOutOfRangeValues(type, name) { |
| 512 shouldThrowIndexSizeErr(function() { |
| 513 var buffer = new ArrayBuffer(4); |
| 514 var array = new type(buffer, 4, 0x3FFFFFFF); |
| 515 }, "Construction of " + name + " with out-of-range number of elements"); |
| 516 shouldThrowIndexSizeErr(function() { |
| 517 var buffer = new ArrayBuffer(4); |
| 518 var array = new type(buffer, 8); |
| 519 }, "Construction of " + name + " with out-of-range offset"); |
| 520 } |
| 521 |
| 522 function testConstructionWithNegativeOutOfRangeValues(type, name) { |
| 523 try { |
| 524 var buffer = new ArrayBuffer(-1); |
| 525 testFailed("Construction of ArrayBuffer with negative size should throw
exception"); |
| 526 } catch (e) { |
| 527 testPassed("Construction of ArrayBuffer with negative size threw excepti
on"); |
| 528 } |
| 529 try { |
| 530 var array = new type(-1); |
| 531 testFailed("Construction of " + name + " with negative size should throw
exception"); |
| 532 } catch (e) { |
| 533 testPassed("Construction of " + name + " with negative size threw except
ion"); |
| 534 } |
| 535 shouldThrowIndexSizeErr(function() { |
| 536 var buffer = new ArrayBuffer(4); |
| 537 var array = new type(buffer, 4, -2147483648); |
| 538 }, "Construction of " + name + " with negative out-of-range values"); |
| 539 } |
| 540 |
| 541 function testConstructionWithUnalignedOffset(type, name, elementSizeInBytes) { |
| 542 if (elementSizeInBytes > 1) { |
| 543 shouldThrowIndexSizeErr(function() { |
| 544 var buffer = new ArrayBuffer(32); |
| 545 var array = new type(buffer, 1, elementSizeInBytes); |
| 546 }, "Construction of " + name + " with unaligned offset"); |
| 547 } |
| 548 } |
| 549 |
| 550 function testConstructionWithUnalignedLength(type, name, elementSizeInBytes) { |
| 551 if (elementSizeInBytes > 1) { |
| 552 shouldThrowIndexSizeErr(function() { |
| 553 var buffer = new ArrayBuffer(elementSizeInBytes + 1); |
| 554 var array = new type(buffer, 0); |
| 555 }, "Construction of " + name + " with unaligned length"); |
| 556 } |
| 557 } |
| 558 |
| 559 function testConstructionOfHugeArray(type, name, sz) { |
| 560 if (sz == 1) |
| 561 return; |
| 562 try { |
| 563 // Construction of huge arrays must fail because byteLength is |
| 564 // an unsigned long |
| 565 array = new type(3000000000); |
| 566 testFailed("Construction of huge " + name + " should throw exception"); |
| 567 } catch (e) { |
| 568 testPassed("Construction of huge " + name + " threw exception"); |
| 569 } |
| 570 } |
| 571 |
| 572 function testConstructionWithBothArrayBufferAndLength(type, name, elementSizeInB
ytes) { |
| 573 var bufByteLength = 1000 * elementSizeInBytes; |
| 574 var buf = new ArrayBuffer(bufByteLength); |
| 575 var array1 = new type(buf); |
| 576 var array2 = new type(bufByteLength / elementSizeInBytes); |
| 577 if (array1.length == array2.length) { |
| 578 testPassed("Array lengths matched with explicit and implicit creation of
ArrayBuffer"); |
| 579 } else { |
| 580 testFailed("Array lengths DID NOT MATCH with explicit and implicit creat
ion of ArrayBuffer"); |
| 581 } |
| 582 } |
| 583 |
| 584 function testConstructionWithSubPortionOfArrayBuffer(type, name, elementSizeInBy
tes) { |
| 585 if (elementSizeInBytes > 1) { |
| 586 // Test construction with a valid sub-portion of an array buffer |
| 587 // (whose size is not an integral multiple of the element size). |
| 588 var size = 4 * elementSizeInBytes + (elementSizeInBytes / 2); |
| 589 var buf = new ArrayBuffer(size); |
| 590 try { |
| 591 var array = new type(buf, 0, 2); |
| 592 testPassed("new " + name + "(new ArrayBuffer(" + size + "), 0, 2) su
cceeded"); |
| 593 } catch (e) { |
| 594 testFailed("new " + name + "(new ArrayBuffer(" + size + "), 0, 2) fa
iled: " + e); |
| 595 } |
| 596 } |
| 597 } |
| 598 |
| 599 // These need to be global for shouldBe to see them |
| 600 var array; |
| 601 var typeSize; |
| 602 |
| 603 function testSubarrayWithOutOfRangeValues(type, name, sz) { |
| 604 debug("Testing subarray of " + name); |
| 605 try { |
| 606 var buffer = new ArrayBuffer(32); |
| 607 array = new type(buffer); |
| 608 typeSize = sz; |
| 609 shouldBe("array.length", "32 / typeSize"); |
| 610 try { |
| 611 shouldBe("array.subarray(4, 0x3FFFFFFF).length", "(32 / typeSize) -
4"); |
| 612 shouldBe("array.subarray(4, -2147483648).length", "0"); |
| 613 // Test subarray() against overflows. |
| 614 array = array.subarray(2); |
| 615 if (sz > 1) { |
| 616 // Full byte offset is +1 larger than the maximum unsigned long
int. |
| 617 // Make sure subarray() still handles it correctly. Otherwise o
verflow would happen and |
| 618 // offset would be 0, and array.length array.length would incorr
ectly be 1. |
| 619 var start = 4294967296 / sz - 2; |
| 620 array = array.subarray(start, start + 1); |
| 621 shouldBe("array.length", "0"); |
| 622 } |
| 623 } catch (e) { |
| 624 testFailed("Subarray of " + name + " threw exception"); |
| 625 } |
| 626 } catch (e) { |
| 627 testFailed("Exception: " + e); |
| 628 } |
| 629 } |
| 630 |
| 631 function testSubarrayWithDefaultValues(type, name, sz) { |
| 632 debug("Testing subarray with default inputs of " + name); |
| 633 try { |
| 634 var buffer = new ArrayBuffer(32); |
| 635 array = new type(buffer); |
| 636 typeSize = sz; |
| 637 shouldBe("array.length", "32 / typeSize"); |
| 638 try { |
| 639 shouldBe("array.subarray(0).length", "(32 / typeSize)"); |
| 640 shouldBe("array.subarray(2).length", "(32 / typeSize) - 2"); |
| 641 shouldBe("array.subarray(-2).length", "2"); |
| 642 shouldBe("array.subarray(-2147483648).length", "(32 / typeSize)"); |
| 643 } catch (e) { |
| 644 testFailed("Subarray of " + name + " threw exception"); |
| 645 } |
| 646 } catch (e) { |
| 647 testFailed("Exception: " + e); |
| 648 } |
| 649 } |
| 650 |
| 651 function testSettingFromArrayWithOutOfRangeOffset(type, name) { |
| 652 var webglArray = new type(32); |
| 653 var array = []; |
| 654 for (var i = 0; i < 16; i++) { |
| 655 array.push(i); |
| 656 } |
| 657 try { |
| 658 webglArray.set(array, 0x7FFFFFF8); |
| 659 testFailed("Setting " + name + " from array with out-of-range offset was
not caught"); |
| 660 } catch (e) { |
| 661 testPassed("Setting " + name + " from array with out-of-range offset was
caught"); |
| 662 } |
| 663 } |
| 664 |
| 665 function testSettingFromFakeArrayWithOutOfRangeLength(type, name) { |
| 666 var webglArray = new type(32); |
| 667 var array = {}; |
| 668 array.length = 0x80000000; |
| 669 try { |
| 670 webglArray.set(array, 8); |
| 671 testFailed("Setting " + name + " from fake array with invalid length was
not caught"); |
| 672 } catch (e) { |
| 673 testPassed("Setting " + name + " from fake array with invalid length was
caught"); |
| 674 } |
| 675 } |
| 676 |
| 677 function testSettingFromTypedArrayWithOutOfRangeOffset(type, name) { |
| 678 var webglArray = new type(32); |
| 679 var srcArray = new type(16); |
| 680 for (var i = 0; i < 16; i++) { |
| 681 srcArray[i] = i; |
| 682 } |
| 683 try { |
| 684 webglArray.set(srcArray, 0x7FFFFFF8); |
| 685 testFailed("Setting " + name + " from " + name + " with out-of-range off
set was not caught"); |
| 686 } catch (e) { |
| 687 testPassed("Setting " + name + " from " + name + " with out-of-range off
set was caught"); |
| 688 } |
| 689 } |
| 690 |
| 691 function negativeTestGetAndSetMethods(type, name) { |
| 692 array = new type([2, 3]); |
| 693 shouldBeUndefined("array.get"); |
| 694 var exceptionThrown = false; |
| 695 // We deliberately check for an exception here rather than using |
| 696 // shouldThrow here because the precise contents of the syntax |
| 697 // error are not specified. |
| 698 try { |
| 699 webGLArray.set(0, 1); |
| 700 } catch (e) { |
| 701 exceptionThrown = true; |
| 702 } |
| 703 var output = "array.set(0, 1) "; |
| 704 if (exceptionThrown) { |
| 705 testPassed(output + "threw exception."); |
| 706 } else { |
| 707 testFailed(output + "did not throw exception."); |
| 708 } |
| 709 } |
| 710 |
| 711 function testNaNConversion(type, name) { |
| 712 running('test storing NaN in ' + name); |
| 713 |
| 714 var array = new type([1, 1]); |
| 715 var results = []; |
| 716 |
| 717 // The code block in each of the case statements below is identical, but some |
| 718 // JavaScript engines need separate copies in order to exercise all of |
| 719 // their optimized code paths. |
| 720 try { |
| 721 switch (type) { |
| 722 case Float32Array: |
| 723 for (var i = 0; i < array.length; ++i) { |
| 724 array[i] = NaN; |
| 725 results[i] = array[i]; |
| 726 } |
| 727 break; |
| 728 case Float64Array: |
| 729 for (var i = 0; i < array.length; ++i) { |
| 730 array[i] = NaN; |
| 731 results[i] = array[i]; |
| 732 } |
| 733 break; |
| 734 case Int8Array: |
| 735 for (var i = 0; i < array.length; ++i) { |
| 736 array[i] = NaN; |
| 737 results[i] = array[i]; |
| 738 } |
| 739 break; |
| 740 case Int16Array: |
| 741 for (var i = 0; i < array.length; ++i) { |
| 742 array[i] = NaN; |
| 743 results[i] = array[i]; |
| 744 } |
| 745 break; |
| 746 case Int32Array: |
| 747 for (var i = 0; i < array.length; ++i) { |
| 748 array[i] = NaN; |
| 749 results[i] = array[i]; |
| 750 } |
| 751 break; |
| 752 case Uint8Array: |
| 753 for (var i = 0; i < array.length; ++i) { |
| 754 array[i] = NaN; |
| 755 results[i] = array[i]; |
| 756 } |
| 757 break; |
| 758 case Uint16Array: |
| 759 for (var i = 0; i < array.length; ++i) { |
| 760 array[i] = NaN; |
| 761 results[i] = array[i]; |
| 762 } |
| 763 break; |
| 764 case Uint32Array: |
| 765 for (var i = 0; i < array.length; ++i) { |
| 766 array[i] = NaN; |
| 767 results[i] = array[i]; |
| 768 } |
| 769 break; |
| 770 default: |
| 771 fail("Unhandled type"); |
| 772 break; |
| 773 } |
| 774 |
| 775 // Some types preserve NaN values; all other types convert NaN to zero. |
| 776 if (type === Float32Array || type === Float64Array) { |
| 777 assert('initial NaN preserved', isNaN(new type([NaN])[0])); |
| 778 for (var i = 0; i < array.length; ++i) |
| 779 assert('NaN preserved via setter', isNaN(results[i])); |
| 780 } else { |
| 781 assertEq('initial NaN converted to zero', 0, new type([NaN])[0]); |
| 782 for (var i = 0; i < array.length; ++i) |
| 783 assertEq('NaN converted to zero by setter', 0, results[i]); |
| 784 } |
| 785 |
| 786 pass(); |
| 787 } catch (e) { |
| 788 fail(e); |
| 789 } |
| 790 } |
| 791 |
| 792 // |
| 793 // Test driver |
| 794 // |
| 795 |
| 796 function runTests() { |
| 797 allPassed = true; |
| 798 |
| 799 // The "name" attribute is a concession to browsers which don't |
| 800 // implement the "name" property on function objects |
| 801 var testCases = |
| 802 [ {name: "Float32Array", |
| 803 unsigned: false, |
| 804 integral: false, |
| 805 elementSizeInBytes: 4, |
| 806 testValues: [ -500.5, 500.5 ], |
| 807 expectedValues: [ -500.5, 500.5 ] |
| 808 }, |
| 809 {name: "Float64Array", |
| 810 unsigned: false, |
| 811 integral: false, |
| 812 elementSizeInBytes: 8, |
| 813 testValues: [ -500.5, 500.5 ], |
| 814 expectedValues: [ -500.5, 500.5 ] |
| 815 }, |
| 816 {name: "Int8Array", |
| 817 unsigned: false, |
| 818 integral: true, |
| 819 elementSizeInBytes: 1, |
| 820 testValues: [ -128, 127, -129, 128 ], |
| 821 expectedValues: [ -128, 127, 127, -128 ] |
| 822 }, |
| 823 {name: "Int16Array", |
| 824 unsigned: false, |
| 825 integral: true, |
| 826 elementSizeInBytes: 2, |
| 827 testValues: [ -32768, 32767, -32769, 32768 ], |
| 828 expectedValues: [ -32768, 32767, 32767, -32768 ] |
| 829 }, |
| 830 {name: "Int32Array", |
| 831 unsigned: false, |
| 832 integral: true, |
| 833 elementSizeInBytes: 4, |
| 834 testValues: [ -2147483648, 2147483647, -2147483649, 2147483648 ], |
| 835 expectedValues: [ -2147483648, 2147483647, 2147483647, -2147483648 ] |
| 836 }, |
| 837 {name: "Uint8Array", |
| 838 unsigned: true, |
| 839 integral: true, |
| 840 elementSizeInBytes: 1, |
| 841 testValues: [ 0, 255, -1, 256 ], |
| 842 expectedValues: [ 0, 255, 255, 0 ] |
| 843 }, |
| 844 {name: "Uint16Array", |
| 845 unsigned: true, |
| 846 integral: true, |
| 847 elementSizeInBytes: 2, |
| 848 testValues: [ 0, 65535, -1, 65536 ], |
| 849 expectedValues: [ 0, 65535, 65535, 0 ] |
| 850 }, |
| 851 {name: "Uint32Array", |
| 852 unsigned: true, |
| 853 integral: true, |
| 854 elementSizeInBytes: 4, |
| 855 testValues: [ 0, 4294967295, -1, 4294967296 ], |
| 856 expectedValues: [ 0, 4294967295, 4294967295, 0 ] |
| 857 } |
| 858 ]; |
| 859 for (var i = 0; i < testCases.length; i++) { |
| 860 var testCase = testCases[i]; |
| 861 running(testCase.name); |
| 862 if (!(testCase.name in window)) { |
| 863 fail("does not exist"); |
| 864 continue; |
| 865 } |
| 866 var type = window[testCase.name]; |
| 867 var name = testCase.name; |
| 868 if (testCase.unsigned) { |
| 869 testSetAndGet10To1(type, name); |
| 870 testConstructWithArrayOfUnsignedValues(type, name); |
| 871 testConstructWithTypedArrayOfUnsignedValues(type, name); |
| 872 } else { |
| 873 testSetAndGetPos10ToNeg10(type, name); |
| 874 testConstructWithArrayOfSignedValues(type, name); |
| 875 testConstructWithTypedArrayOfSignedValues(type, name); |
| 876 } |
| 877 if (testCase.integral) { |
| 878 testIntegralArrayTruncationBehavior(type, name, testCase.unsigned); |
| 879 } |
| 880 testGetWithOutOfRangeIndices(type, name); |
| 881 testOffsetsAndSizes(type, name, testCase.elementSizeInBytes); |
| 882 testSetFromTypedArray(type, name); |
| 883 negativeTestSetFromTypedArray(type, name); |
| 884 testSetFromArray(type, name); |
| 885 negativeTestSetFromArray(type, name); |
| 886 testSubarray(type, name); |
| 887 negativeTestSubarray(type, name); |
| 888 testSetBoundaryConditions(type, |
| 889 name, |
| 890 testCase.testValues, |
| 891 testCase.expectedValues); |
| 892 testConstructionBoundaryConditions(type, |
| 893 name, |
| 894 testCase.testValues, |
| 895 testCase.expectedValues); |
| 896 testConstructionWithNullBuffer(type, name); |
| 897 testConstructionWithOutOfRangeValues(type, name); |
| 898 testConstructionWithNegativeOutOfRangeValues(type, name); |
| 899 testConstructionWithUnalignedOffset(type, name, testCase.elementSizeInBytes)
; |
| 900 testConstructionWithUnalignedLength(type, name, testCase.elementSizeInBytes)
; |
| 901 testConstructionOfHugeArray(type, name, testCase.elementSizeInBytes); |
| 902 testConstructionWithBothArrayBufferAndLength(type, name, testCase.elementSiz
eInBytes); |
| 903 testConstructionWithSubPortionOfArrayBuffer(type, name, testCase.elementSize
InBytes); |
| 904 testSubarrayWithOutOfRangeValues(type, name, testCase.elementSizeInBytes); |
| 905 testSubarrayWithDefaultValues(type, name, testCase.elementSizeInBytes); |
| 906 testSettingFromArrayWithOutOfRangeOffset(type, name); |
| 907 testSettingFromFakeArrayWithOutOfRangeLength(type, name); |
| 908 testSettingFromTypedArrayWithOutOfRangeOffset(type, name); |
| 909 negativeTestGetAndSetMethods(type, name); |
| 910 testNaNConversion(type, name); |
| 911 } |
| 912 |
| 913 printSummary(); |
| 914 } |
| 915 |
| 916 runTests(); |
| 917 successfullyParsed = true; |
| 918 |
| 919 </script> |
| 920 <script src="../../resources/js-test-post.js"></script> |
| 921 |
| 922 </body> |
| 923 </html> |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 8342021:
Add webgl conformance tests r15841. (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/webgl/sdk/tests/