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| 1 window.jsTestIsAsync = true; | |
| 2 | |
| 3 description('Test transfer of control semantics for ArrayBuffers.'); | |
| 4 window.testsComplete = 0; | |
| 5 | |
| 6 var arraySize = 40; | |
| 7 var arrayOffset = 8; | |
| 8 var arrayEffectiveSize = arraySize - arrayOffset; | |
| 9 | |
| 10 var basicBufferTypes = | |
| 11 [ | |
| 12 ["Int32", Int32Array, 4], | |
| 13 ["Uint32", Uint32Array, 4], | |
| 14 ["Int8", Int8Array, 1], | |
| 15 ["Uint8", Uint8Array, 1], | |
| 16 ["Uint8Clamped", Uint8ClampedArray, 1], | |
| 17 ["Int16", Int16Array, 2], | |
| 18 ["Uint16", Uint16Array, 2], | |
| 19 ["Float32", Float32Array, 4], | |
| 20 ["Float64", Float64Array, 8] | |
| 21 ]; | |
| 22 | |
| 23 var allBufferTypes = | |
| 24 [ | |
| 25 ["Int32", Int32Array, 4], | |
| 26 ["Uint32", Uint32Array, 4], | |
| 27 ["Int8", Int8Array, 1], | |
| 28 ["Uint8", Uint8Array, 1], | |
| 29 ["Uint8Clamped", Uint8ClampedArray, 1], | |
| 30 ["Int16", Int16Array, 2], | |
| 31 ["Uint16", Uint16Array, 2], | |
| 32 ["Float32", Float32Array, 4], | |
| 33 ["Float64", Float64Array, 8], | |
| 34 ["DataView", DataView, 1] | |
| 35 ]; | |
| 36 | |
| 37 function isTypedArray(view) | |
| 38 { | |
| 39 for (var i = 0; i < basicBufferTypes.length; ++i) { | |
| 40 var bufferType = basicBufferTypes[i]; | |
| 41 if (view instanceof bufferType[1]) { | |
| 42 return true; | |
| 43 } | |
| 44 } | |
| 45 return false; | |
| 46 } | |
| 47 | |
| 48 function isDataView(view) | |
| 49 { | |
| 50 return (view instanceof DataView); | |
| 51 } | |
| 52 | |
| 53 function isArrayBuffer(buffer) | |
| 54 { | |
| 55 return (buffer instanceof ArrayBuffer); | |
| 56 } | |
| 57 | |
| 58 function isDataCloneError(e) | |
| 59 { | |
| 60 return (e.name === "DataCloneError"); | |
| 61 } | |
| 62 | |
| 63 function assertBufferClosed(testName, buffer) | |
| 64 { | |
| 65 if (buffer === null) { | |
| 66 return true; | |
| 67 } | |
| 68 if (!isArrayBuffer(buffer)) { | |
| 69 testFailed(testName + ": not an array buffer (" + buffer + ")"); | |
| 70 return false; | |
| 71 } | |
| 72 if (buffer.byteLength !== 0 || !(buffer.byteLength === 0)) { | |
| 73 testFailed(testName + ": ArrayBuffer byteLength !== 0"); | |
| 74 return false; | |
| 75 } | |
| 76 return true; | |
| 77 } | |
| 78 | |
| 79 function assertViewClosed(testName, view) | |
| 80 { | |
| 81 if (isTypedArray(view) || isDataView(view)) { | |
| 82 if (view.buffer !== null && !assertBufferClosed(testName, view.buffer)) | |
| 83 return false; | |
| 84 if (view.byteOffset !== 0 || !(view.byteOffset === 0)) { | |
| 85 testFailed(testName + ": view byteOffset !== 0"); | |
| 86 return false; | |
| 87 } | |
| 88 if (view.byteLength !== 0 || !(view.byteLength === 0)) { | |
| 89 testFailed(testName + ": view byteLength !== 0"); | |
| 90 return false; | |
| 91 } | |
| 92 if (!isDataView(view)) { | |
| 93 if (view.length !== 0 || !(view.length === 0)) { | |
| 94 testFailed(testName + ": TypedArray length !== 0"); | |
| 95 return false; | |
| 96 } | |
| 97 try { | |
| 98 var v = view[0]; | |
| 99 if (v !== undefined) { | |
| 100 testFailed(testName + ": index get on a closed view did not
return undefined."); | |
| 101 return false; | |
| 102 } | |
| 103 } catch(xn) { | |
| 104 testFailed(testName + ": index get on a closed view threw an exc
eption: " + xn); | |
| 105 return false; | |
| 106 } | |
| 107 try { | |
| 108 view[0] = 42; | |
| 109 var v = view[0]; | |
| 110 if (v !== undefined) { | |
| 111 testFailed(testName + ": index set then get on a closed view
did not return undefined."); | |
| 112 return false; | |
| 113 } | |
| 114 } catch(xn) { | |
| 115 testFailed(testName + ": index set then get on a closed view thr
ew an exception: " + xn); | |
| 116 return false; | |
| 117 } | |
| 118 try { | |
| 119 view.get(0); | |
| 120 testFailed(testName + ": get on a closed view succeeded"); | |
| 121 return false; | |
| 122 } catch (xn) { } | |
| 123 try { | |
| 124 view.set([0], 1); | |
| 125 testFailed(testName + ": set on a closed view succeeded"); | |
| 126 return false; | |
| 127 } catch (xn) { } | |
| 128 } else { | |
| 129 try { | |
| 130 view.getInt8(0); | |
| 131 testFailed(testName + ": get on a closed view succeeded"); | |
| 132 return false; | |
| 133 } catch (xn) { } | |
| 134 try { | |
| 135 view.setInt8(0, 1); | |
| 136 testFailed(testName + ": set on a closed view succeeded"); | |
| 137 return false; | |
| 138 } catch (xn) { } | |
| 139 } | |
| 140 } else { | |
| 141 testFailed(testName + " not a view (" + view + ")"); | |
| 142 return false; | |
| 143 } | |
| 144 return true; | |
| 145 } | |
| 146 | |
| 147 function createBuffer(length) | |
| 148 { | |
| 149 var buffer = new ArrayBuffer(length); | |
| 150 var view = new Uint8Array(buffer); | |
| 151 for (var i = 0; i < length; ++i) { | |
| 152 view[i] = i + 1; | |
| 153 } | |
| 154 return buffer; | |
| 155 } | |
| 156 | |
| 157 function checkBuffer(testName, buffer, length) | |
| 158 { | |
| 159 if (!isArrayBuffer(buffer)) { | |
| 160 testFailed(testName + ": buffer is not an ArrayBuffer"); | |
| 161 return false; | |
| 162 } | |
| 163 if (buffer.byteLength !== length) { | |
| 164 testFailed(testName + ": buffer is the wrong length"); | |
| 165 return false; | |
| 166 } | |
| 167 var view = new Uint8Array(buffer); | |
| 168 for (var i = 0; i < length; ++i) { | |
| 169 if (view[i] !== i + 1) { | |
| 170 testFailed(testName + ": buffer contains the wrong data"); | |
| 171 return false; | |
| 172 } | |
| 173 } | |
| 174 return true; | |
| 175 } | |
| 176 | |
| 177 function createView(viewType, bytesPerElement) | |
| 178 { | |
| 179 if (viewType === DataView) { | |
| 180 var view = new Uint8Array(arraySize); | |
| 181 for (var i = arrayOffset; i < arraySize; ++i) { | |
| 182 view[i] = i - arrayOffset + 1; | |
| 183 } | |
| 184 return new DataView(view.buffer, arrayOffset, arrayEffectiveSize); | |
| 185 } else { | |
| 186 var view = new viewType(new ArrayBuffer(arraySize), arrayOffset, arrayEf
fectiveSize / bytesPerElement); | |
| 187 for (var i = 0; i < arrayEffectiveSize / bytesPerElement; ++i) { | |
| 188 view[i] = i + 1; | |
| 189 } | |
| 190 return view; | |
| 191 } | |
| 192 } | |
| 193 | |
| 194 function createEveryView(buffer) | |
| 195 { | |
| 196 return allBufferTypes.map(function (bufferType) { | |
| 197 return new bufferType[1](buffer, arrayOffset, arrayEffectiveSize / buffe
rType[2]); | |
| 198 }); | |
| 199 } | |
| 200 | |
| 201 function checkView(testName, typedArrayType, view) | |
| 202 { | |
| 203 if (!(view instanceof typedArrayType)) { | |
| 204 testFailed(testName + ": " + view + " not an instance of " + typedArrayT
ype); | |
| 205 return false; | |
| 206 } | |
| 207 if (view.buffer.byteLength !== arraySize || | |
| 208 (!(view instanceof DataView) && view.length !== arrayEffectiveSize / vie
w.BYTES_PER_ELEMENT)) { | |
| 209 testFailed(testName + ": view has the wrong length (" + view.length + ")
"); | |
| 210 return false; | |
| 211 } | |
| 212 if (view.byteOffset !== arrayOffset) { | |
| 213 testFailed(testName + ": view has wrong byte offset"); | |
| 214 } | |
| 215 var max = arrayEffectiveSize; | |
| 216 if (!(view instanceof DataView)) { | |
| 217 max = max / view.BYTES_PER_ELEMENT; | |
| 218 } | |
| 219 for (var i = 0; i < max; ++i) { | |
| 220 if (view instanceof DataView) { | |
| 221 if (view.getInt8(i) !== i + 1) { | |
| 222 testFailed(testName + ": view contains the wrong data"); | |
| 223 return false; | |
| 224 } | |
| 225 } else { | |
| 226 if (view[i] !== i + 1) { | |
| 227 testFailed(testName + ": view contains the wrong data"); | |
| 228 return false; | |
| 229 } | |
| 230 } | |
| 231 } | |
| 232 return true; | |
| 233 } | |
| 234 | |
| 235 function checkEmptyArray(testName, array) | |
| 236 { | |
| 237 if (array === null || array === undefined) { | |
| 238 testFailed(testName + ": port list is null or undefined"); | |
| 239 return false; | |
| 240 } | |
| 241 if (array.length !== 0) { | |
| 242 testFailed(testName + ": port list is not zero-length"); | |
| 243 return false; | |
| 244 } | |
| 245 return true; | |
| 246 } | |
| 247 | |
| 248 function wrapSend(testName, message, xfer) | |
| 249 { | |
| 250 try { | |
| 251 window.postMessage(message, '*', xfer); | |
| 252 } catch (e) { | |
| 253 testFailed(testName + ": could not postMessage: " + e); | |
| 254 doneTest(); | |
| 255 return false; | |
| 256 } | |
| 257 return true; | |
| 258 } | |
| 259 | |
| 260 function wrapFailSend(testName, message, xfer) | |
| 261 { | |
| 262 try { | |
| 263 window.postMessage(message, '*', xfer); | |
| 264 } catch (e) { | |
| 265 if (!isDataCloneError(e)) { | |
| 266 testFailed(testName + ": expected postMessage to throw DataCloneErro
r but it didn't."); | |
| 267 return false; | |
| 268 } | |
| 269 return true; | |
| 270 } | |
| 271 testFailed(testName + ": expected postMessage to fail but it didn't."); | |
| 272 return false; | |
| 273 } | |
| 274 | |
| 275 var testList = [{ | |
| 276 name: "sanity check", | |
| 277 send: function (name) { wrapSend(name, [], []); }, | |
| 278 test: function (name, e) { return true; } | |
| 279 }, { | |
| 280 name: "raw ArrayBuffer", | |
| 281 send: function (name) { | |
| 282 var buffer = createBuffer(3); | |
| 283 wrapSend(name, buffer, [buffer]); | |
| 284 assertBufferClosed(name, buffer); | |
| 285 wrapFailSend(name, buffer, [buffer]); | |
| 286 wrapFailSend(name, buffer, []); | |
| 287 }, | |
| 288 test: function (name, e) { return checkBuffer(name, e.data, 3) && checkEmpty
Array(name, e.ports); } | |
| 289 }, { | |
| 290 name: "sending buffers is sane even if cloning doesn't special-case", | |
| 291 send: function(name) { | |
| 292 var view = createView(Int32Array, 4); | |
| 293 var buffer = view.buffer; | |
| 294 wrapSend(name, [view, buffer], [buffer]); | |
| 295 assertBufferClosed(name, buffer); | |
| 296 assertViewClosed(name, view); | |
| 297 }, | |
| 298 test: function (name, e) { | |
| 299 if (e.data[0].buffer !== e.data[1]) { | |
| 300 testFailed("View and buffer were not linked."); | |
| 301 return false; | |
| 302 } | |
| 303 return true; | |
| 304 } | |
| 305 }, { | |
| 306 name: "send every view", | |
| 307 send: function(name) { | |
| 308 var buffer = createBuffer(arraySize); | |
| 309 var views = createEveryView(buffer); | |
| 310 wrapSend(name, views, [buffer]); | |
| 311 assertBufferClosed(name, buffer); | |
| 312 wrapFailSend(name, views, [buffer]); | |
| 313 wrapFailSend(name, views, []); | |
| 314 }, | |
| 315 test: function (name, e) { | |
| 316 if (e.data.length !== allBufferTypes.length) { | |
| 317 testFailed(name + ": not every view was sent."); | |
| 318 } | |
| 319 for (var v = 0; v < e.data.length; ++v) { | |
| 320 var view = e.data[v]; | |
| 321 if (view.buffer !== e.data[0].buffer) { | |
| 322 testFailed(name + ": not every view pointed to the correct buffe
r."); | |
| 323 return false; | |
| 324 } | |
| 325 } | |
| 326 return true; | |
| 327 } | |
| 328 }, { | |
| 329 name: "transfer list multiple", | |
| 330 send: function(name) { | |
| 331 var buffer0 = createBuffer(arraySize); | |
| 332 wrapFailSend(name, { buffer : buffer0 }, [buffer0, buffer0]); | |
| 333 var buffer = createBuffer(arraySize); | |
| 334 wrapSend(name, { buffer : buffer }, [buffer]); | |
| 335 assertBufferClosed(name, buffer); | |
| 336 wrapFailSend(name, [buffer], [buffer]); | |
| 337 wrapFailSend(name, [], [buffer]); | |
| 338 var buffer2 = createBuffer(arraySize); | |
| 339 wrapFailSend(name, [], [buffer2, buffer]); | |
| 340 checkBuffer(name, buffer2, arraySize); | |
| 341 wrapFailSend(name, [], [buffer, buffer2]); | |
| 342 checkBuffer(name, buffer2, arraySize); | |
| 343 wrapFailSend(name, [buffer2], [buffer2, buffer]); | |
| 344 checkBuffer(name, buffer2, arraySize); | |
| 345 }, | |
| 346 test: function (name, e) { | |
| 347 return checkBuffer(name, e.data.buffer, arraySize); | |
| 348 } | |
| 349 }, { | |
| 350 name: "transfer neuters unmentioned", | |
| 351 send: function (name) { | |
| 352 var buffer = createBuffer(arraySize); | |
| 353 wrapSend(name, [], [buffer]); | |
| 354 assertBufferClosed(name, buffer); | |
| 355 }, | |
| 356 test : function (name, e) { | |
| 357 return e.data.length == 0; | |
| 358 } | |
| 359 }]; | |
| 360 | |
| 361 testList = testList.concat(allBufferTypes.map(function(bufferType) { return { | |
| 362 name: "raw " + bufferType[0], | |
| 363 send: function (name) { | |
| 364 var view = createView(bufferType[1], bufferType[2]); | |
| 365 wrapSend(name, view, [view.buffer]); | |
| 366 assertViewClosed(name, view); | |
| 367 assertBufferClosed(name, view.buffer); | |
| 368 wrapFailSend(name, view, [view.buffer]); | |
| 369 wrapFailSend(name, view, []); | |
| 370 }, | |
| 371 test: function (name, e) { | |
| 372 return checkView(name, bufferType[1], e.data) && checkEmptyArray(name, e
.ports); | |
| 373 } | |
| 374 }})); | |
| 375 | |
| 376 | |
| 377 function viewAndBuffer(viewFirst, bufferType) { | |
| 378 return { | |
| 379 name: (viewFirst ? "send view, buffer for " : "send buffer, view for ")
+ bufferType[0], | |
| 380 send: function (name) { | |
| 381 var view = createView(bufferType[1], bufferType[2]); | |
| 382 var buffer = view.buffer; | |
| 383 wrapSend(name, viewFirst ? [view, buffer] : [buffer, view], [buffer]
); | |
| 384 assertViewClosed(name, view); | |
| 385 assertBufferClosed(name, buffer); | |
| 386 wrapFailSend(name, view, [buffer]); | |
| 387 wrapFailSend(name, view, []); | |
| 388 wrapFailSend(name, buffer, [buffer]); | |
| 389 wrapFailSend(name, buffer, []); | |
| 390 wrapFailSend(name, [view, buffer], [buffer]); | |
| 391 wrapFailSend(name, [buffer, view], [buffer]); | |
| 392 wrapFailSend(name, [view, buffer], []); | |
| 393 wrapFailSend(name, [buffer, view], []); | |
| 394 }, | |
| 395 test: function (name, e) { | |
| 396 var view = e.data[viewFirst ? 0 : 1]; | |
| 397 var buffer = e.data[viewFirst ? 1 : 0]; | |
| 398 if (buffer !== view.buffer) { | |
| 399 testFailed(name + " buffer not shared"); | |
| 400 return false; | |
| 401 } | |
| 402 return checkView(name, bufferType[1], view) && checkEmptyArray(name,
e.ports); | |
| 403 } | |
| 404 } | |
| 405 }; | |
| 406 | |
| 407 function squashUnrelatedViews(bufferType) { | |
| 408 return { | |
| 409 name: "squash unrelated views for " + bufferType[0], | |
| 410 send: function(name) { | |
| 411 var view = createView(bufferType[1], bufferType[2]); | |
| 412 var views = createEveryView(view.buffer); | |
| 413 var buffer = view.buffer; | |
| 414 wrapSend(name, view, [view.buffer]); | |
| 415 assertViewClosed(name, view); | |
| 416 assertBufferClosed(name, view.buffer); | |
| 417 for (var v = 0; v < views.length; ++v) { | |
| 418 assertViewClosed(name + "(view " + v + ")", views[v]); | |
| 419 } | |
| 420 wrapFailSend(name, views, [buffer]); | |
| 421 }, | |
| 422 test: function (name, e) { return checkView(name, bufferType[1], e.data)
&& checkEmptyArray(name, e.ports); } | |
| 423 } | |
| 424 } | |
| 425 | |
| 426 testList = testList.concat(allBufferTypes.map(function(bufferType) { return view
AndBuffer(true, bufferType); })); | |
| 427 testList = testList.concat(allBufferTypes.map(function(bufferType) { return view
AndBuffer(false, bufferType); })); | |
| 428 testList = testList.concat(allBufferTypes.map(function(bufferType) { return squa
shUnrelatedViews(bufferType); })); | |
| 429 | |
| 430 function doneTest() { | |
| 431 if (++window.testsComplete == testList.length) { | |
| 432 finishJSTest(); | |
| 433 } | |
| 434 else { | |
| 435 var t = testList[window.testsComplete]; | |
| 436 try { | |
| 437 t.send(t.name); | |
| 438 } catch(e) { | |
| 439 testFailed(t.name + ": on send: " + e); | |
| 440 doneTest(); | |
| 441 } | |
| 442 } | |
| 443 } | |
| 444 | |
| 445 function windowHandleMessage(event) { | |
| 446 var currentTest = testList[window.testsComplete]; | |
| 447 if (currentTest.alreadyHit) { | |
| 448 testFailed(currentTest.name + ": windowHandleMessage hit more than once.
"); | |
| 449 return false; | |
| 450 } | |
| 451 currentTest.alreadyHit = true; | |
| 452 try { | |
| 453 if (currentTest.test(currentTest.name, event)) { | |
| 454 testPassed(currentTest.name); | |
| 455 } | |
| 456 } catch(e) { | |
| 457 testFailed(currentTest.name + ": on receive: " + e + ". event.data = " +
event.data); | |
| 458 } | |
| 459 doneTest(); | |
| 460 } | |
| 461 | |
| 462 window.addEventListener('message', windowHandleMessage); | |
| 463 window.testsComplete = -1; | |
| 464 doneTest(); | |
| 465 | |
| 466 successfullyParsed = true; | |
| 467 | |
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Chromium Code Reviews
Issue 2447493002:
Removed some duplicate layout tests under fast/canvas/webgl (Closed)
