Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | // Copyright 2013 the V8 project authors. All rights reserved. |
| 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 28 | // Flags: --harmony-tostring |
| 29 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 30 | // ArrayBuffer |
| 31 | |
| 32 | function TestByteLength(param, expectedByteLength) { |
| 33 | var ab = new ArrayBuffer(param); |
| 34 | assertSame(expectedByteLength, ab.byteLength); |
| 35 | } |
| 36 | |
| 37 | function TestArrayBufferCreation() { |
| 38 | TestByteLength(1, 1); |
| 39 | TestByteLength(256, 256); |
| 40 | TestByteLength(2.567, 2); |
| 41 | |
| 42 | TestByteLength("abc", 0); |
| 43 | |
| 44 | TestByteLength(0, 0); |
| 45 | |
| 46 | assertThrows(function() { new ArrayBuffer(-10); }, RangeError); |
| 47 | assertThrows(function() { new ArrayBuffer(-2.567); }, RangeError); |
| 48 | |
| 49 | /* TODO[dslomov]: Reenable the test |
| 50 | assertThrows(function() { |
| 51 | var ab1 = new ArrayBuffer(0xFFFFFFFFFFFF) |
| 52 | }, RangeError); |
| 53 | */ |
| 54 | |
| 55 | var ab = new ArrayBuffer(); |
| 56 | assertSame(0, ab.byteLength); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 57 | assertEquals("[object ArrayBuffer]", |
| 58 | Object.prototype.toString.call(ab)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 59 | } |
| 60 | |
| 61 | TestArrayBufferCreation(); |
| 62 | |
| 63 | function TestByteLengthNotWritable() { |
| 64 | var ab = new ArrayBuffer(1024); |
| 65 | assertSame(1024, ab.byteLength); |
| 66 | |
| 67 | assertThrows(function() { "use strict"; ab.byteLength = 42; }, TypeError); |
| 68 | } |
| 69 | |
| 70 | TestByteLengthNotWritable(); |
| 71 | |
| 72 | function TestSlice(expectedResultLen, initialLen, start, end) { |
| 73 | var ab = new ArrayBuffer(initialLen); |
| 74 | var a1 = new Uint8Array(ab); |
| 75 | for (var i = 0; i < a1.length; i++) { |
| 76 | a1[i] = 0xCA; |
| 77 | } |
| 78 | var slice = ab.slice(start, end); |
| 79 | assertSame(expectedResultLen, slice.byteLength); |
| 80 | var a2 = new Uint8Array(slice); |
| 81 | for (var i = 0; i < a2.length; i++) { |
| 82 | assertSame(0xCA, a2[i]); |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | function TestArrayBufferSlice() { |
| 87 | var ab = new ArrayBuffer(1024); |
| 88 | var ab1 = ab.slice(512, 1024); |
| 89 | assertSame(512, ab1.byteLength); |
| 90 | |
| 91 | TestSlice(512, 1024, 512, 1024); |
| 92 | TestSlice(512, 1024, 512); |
| 93 | |
| 94 | TestSlice(0, 0, 1, 20); |
| 95 | TestSlice(100, 100, 0, 100); |
| 96 | TestSlice(100, 100, 0, 1000); |
| 97 | |
| 98 | TestSlice(0, 100, 5, 1); |
| 99 | |
| 100 | TestSlice(1, 100, -11, -10); |
| 101 | TestSlice(9, 100, -10, 99); |
| 102 | TestSlice(0, 100, -10, 80); |
| 103 | TestSlice(10, 100, 80, -10); |
| 104 | |
| 105 | TestSlice(10, 100, 90, "100"); |
| 106 | TestSlice(10, 100, "90", "100"); |
| 107 | |
| 108 | TestSlice(0, 100, 90, "abc"); |
| 109 | TestSlice(10, 100, "abc", 10); |
| 110 | |
| 111 | TestSlice(10, 100, 0.96, 10.96); |
| 112 | TestSlice(10, 100, 0.96, 10.01); |
| 113 | TestSlice(10, 100, 0.01, 10.01); |
| 114 | TestSlice(10, 100, 0.01, 10.96); |
| 115 | |
| 116 | TestSlice(10, 100, 90); |
| 117 | TestSlice(10, 100, -10); |
| 118 | } |
| 119 | |
| 120 | TestArrayBufferSlice(); |
| 121 | |
| 122 | // Typed arrays |
| 123 | |
| 124 | function TestTypedArray(constr, elementSize, typicalElement) { |
| 125 | assertSame(elementSize, constr.BYTES_PER_ELEMENT); |
| 126 | |
| 127 | var ab = new ArrayBuffer(256*elementSize); |
| 128 | |
| 129 | var a0 = new constr(30); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 130 | assertEquals("[object " + constr.name + "]", |
| 131 | Object.prototype.toString.call(a0)); |
| 132 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 133 | assertTrue(ArrayBuffer.isView(a0)); |
| 134 | assertSame(elementSize, a0.BYTES_PER_ELEMENT); |
| 135 | assertSame(30, a0.length); |
| 136 | assertSame(30*elementSize, a0.byteLength); |
| 137 | assertSame(0, a0.byteOffset); |
| 138 | assertSame(30*elementSize, a0.buffer.byteLength); |
| 139 | |
| 140 | var aLen0 = new constr(0); |
| 141 | assertSame(elementSize, aLen0.BYTES_PER_ELEMENT); |
| 142 | assertSame(0, aLen0.length); |
| 143 | assertSame(0, aLen0.byteLength); |
| 144 | assertSame(0, aLen0.byteOffset); |
| 145 | assertSame(0, aLen0.buffer.byteLength); |
| 146 | |
| 147 | var aOverBufferLen0 = new constr(ab, 128*elementSize, 0); |
| 148 | assertSame(ab, aOverBufferLen0.buffer); |
| 149 | assertSame(elementSize, aOverBufferLen0.BYTES_PER_ELEMENT); |
| 150 | assertSame(0, aOverBufferLen0.length); |
| 151 | assertSame(0, aOverBufferLen0.byteLength); |
| 152 | assertSame(128*elementSize, aOverBufferLen0.byteOffset); |
| 153 | |
| 154 | var a1 = new constr(ab, 128*elementSize, 128); |
| 155 | assertSame(ab, a1.buffer); |
| 156 | assertSame(elementSize, a1.BYTES_PER_ELEMENT); |
| 157 | assertSame(128, a1.length); |
| 158 | assertSame(128*elementSize, a1.byteLength); |
| 159 | assertSame(128*elementSize, a1.byteOffset); |
| 160 | |
| 161 | |
| 162 | var a2 = new constr(ab, 64*elementSize, 128); |
| 163 | assertSame(ab, a2.buffer); |
| 164 | assertSame(elementSize, a2.BYTES_PER_ELEMENT); |
| 165 | assertSame(128, a2.length); |
| 166 | assertSame(128*elementSize, a2.byteLength); |
| 167 | assertSame(64*elementSize, a2.byteOffset); |
| 168 | |
| 169 | var a3 = new constr(ab, 192*elementSize); |
| 170 | assertSame(ab, a3.buffer); |
| 171 | assertSame(64, a3.length); |
| 172 | assertSame(64*elementSize, a3.byteLength); |
| 173 | assertSame(192*elementSize, a3.byteOffset); |
| 174 | |
| 175 | var a4 = new constr(ab); |
| 176 | assertSame(ab, a4.buffer); |
| 177 | assertSame(256, a4.length); |
| 178 | assertSame(256*elementSize, a4.byteLength); |
| 179 | assertSame(0, a4.byteOffset); |
| 180 | |
| 181 | |
| 182 | var i; |
| 183 | for (i = 0; i < 128; i++) { |
| 184 | a1[i] = typicalElement; |
| 185 | } |
| 186 | |
| 187 | for (i = 0; i < 128; i++) { |
| 188 | assertSame(typicalElement, a1[i]); |
| 189 | } |
| 190 | |
| 191 | for (i = 0; i < 64; i++) { |
| 192 | assertSame(0, a2[i]); |
| 193 | } |
| 194 | |
| 195 | for (i = 64; i < 128; i++) { |
| 196 | assertSame(typicalElement, a2[i]); |
| 197 | } |
| 198 | |
| 199 | for (i = 0; i < 64; i++) { |
| 200 | assertSame(typicalElement, a3[i]); |
| 201 | } |
| 202 | |
| 203 | for (i = 0; i < 128; i++) { |
| 204 | assertSame(0, a4[i]); |
| 205 | } |
| 206 | |
| 207 | for (i = 128; i < 256; i++) { |
| 208 | assertSame(typicalElement, a4[i]); |
| 209 | } |
| 210 | |
| 211 | var aAtTheEnd = new constr(ab, 256*elementSize); |
| 212 | assertSame(elementSize, aAtTheEnd.BYTES_PER_ELEMENT); |
| 213 | assertSame(0, aAtTheEnd.length); |
| 214 | assertSame(0, aAtTheEnd.byteLength); |
| 215 | assertSame(256*elementSize, aAtTheEnd.byteOffset); |
| 216 | |
| 217 | assertThrows(function () { new constr(ab, 257*elementSize); }, RangeError); |
| 218 | assertThrows( |
| 219 | function () { new constr(ab, 128*elementSize, 192); }, |
| 220 | RangeError); |
| 221 | |
| 222 | if (elementSize !== 1) { |
| 223 | assertThrows(function() { new constr(ab, 128*elementSize - 1, 10); }, |
| 224 | RangeError); |
| 225 | var unalignedArrayBuffer = new ArrayBuffer(10*elementSize + 1); |
| 226 | var goodArray = new constr(unalignedArrayBuffer, 0, 10); |
| 227 | assertSame(10, goodArray.length); |
| 228 | assertSame(10*elementSize, goodArray.byteLength); |
| 229 | assertThrows(function() { new constr(unalignedArrayBuffer)}, RangeError); |
| 230 | assertThrows(function() { new constr(unalignedArrayBuffer, 5*elementSize)}, |
| 231 | RangeError); |
| 232 | } |
| 233 | |
| 234 | var aFromString = new constr("30"); |
| 235 | assertSame(elementSize, aFromString.BYTES_PER_ELEMENT); |
| 236 | assertSame(30, aFromString.length); |
| 237 | assertSame(30*elementSize, aFromString.byteLength); |
| 238 | assertSame(0, aFromString.byteOffset); |
| 239 | assertSame(30*elementSize, aFromString.buffer.byteLength); |
| 240 | |
| 241 | var jsArray = []; |
| 242 | for (i = 0; i < 30; i++) { |
| 243 | jsArray.push(typicalElement); |
| 244 | } |
| 245 | var aFromArray = new constr(jsArray); |
| 246 | assertSame(elementSize, aFromArray.BYTES_PER_ELEMENT); |
| 247 | assertSame(30, aFromArray.length); |
| 248 | assertSame(30*elementSize, aFromArray.byteLength); |
| 249 | assertSame(0, aFromArray.byteOffset); |
| 250 | assertSame(30*elementSize, aFromArray.buffer.byteLength); |
| 251 | for (i = 0; i < 30; i++) { |
| 252 | assertSame(typicalElement, aFromArray[i]); |
| 253 | } |
| 254 | |
| 255 | var abLen0 = new ArrayBuffer(0); |
| 256 | var aOverAbLen0 = new constr(abLen0); |
| 257 | assertSame(abLen0, aOverAbLen0.buffer); |
| 258 | assertSame(elementSize, aOverAbLen0.BYTES_PER_ELEMENT); |
| 259 | assertSame(0, aOverAbLen0.length); |
| 260 | assertSame(0, aOverAbLen0.byteLength); |
| 261 | assertSame(0, aOverAbLen0.byteOffset); |
| 262 | |
| 263 | var aNoParam = new constr(); |
| 264 | assertSame(elementSize, aNoParam.BYTES_PER_ELEMENT); |
| 265 | assertSame(0, aNoParam.length); |
| 266 | assertSame(0, aNoParam.byteLength); |
| 267 | assertSame(0, aNoParam.byteOffset); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 268 | |
| 269 | var a = new constr(ab, 64*elementSize, 128); |
| 270 | assertEquals("[object " + constr.name + "]", |
| 271 | Object.prototype.toString.call(a)); |
| 272 | var desc = Object.getOwnPropertyDescriptor( |
| 273 | constr.prototype, Symbol.toStringTag); |
| 274 | assertTrue(desc.configurable); |
| 275 | assertFalse(desc.enumerable); |
| 276 | assertFalse(!!desc.writable); |
| 277 | assertFalse(!!desc.set); |
| 278 | assertEquals("function", typeof desc.get); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 279 | } |
| 280 | |
| 281 | TestTypedArray(Uint8Array, 1, 0xFF); |
| 282 | TestTypedArray(Int8Array, 1, -0x7F); |
| 283 | TestTypedArray(Uint16Array, 2, 0xFFFF); |
| 284 | TestTypedArray(Int16Array, 2, -0x7FFF); |
| 285 | TestTypedArray(Uint32Array, 4, 0xFFFFFFFF); |
| 286 | TestTypedArray(Int32Array, 4, -0x7FFFFFFF); |
| 287 | TestTypedArray(Float32Array, 4, 0.5); |
| 288 | TestTypedArray(Float64Array, 8, 0.5); |
| 289 | TestTypedArray(Uint8ClampedArray, 1, 0xFF); |
| 290 | |
| 291 | function SubarrayTestCase(constructor, item, expectedResultLen, expectedStartIndex, |
| 292 | initialLen, start, end) { |
| 293 | var a = new constructor(initialLen); |
| 294 | var s = a.subarray(start, end); |
| 295 | assertSame(constructor, s.constructor); |
| 296 | assertSame(expectedResultLen, s.length); |
| 297 | if (s.length > 0) { |
| 298 | s[0] = item; |
| 299 | assertSame(item, a[expectedStartIndex]); |
| 300 | } |
| 301 | } |
| 302 | |
| 303 | function TestSubArray(constructor, item) { |
| 304 | SubarrayTestCase(constructor, item, 512, 512, 1024, 512, 1024); |
| 305 | SubarrayTestCase(constructor, item, 512, 512, 1024, 512); |
| 306 | |
| 307 | SubarrayTestCase(constructor, item, 0, undefined, 0, 1, 20); |
| 308 | SubarrayTestCase(constructor, item, 100, 0, 100, 0, 100); |
| 309 | SubarrayTestCase(constructor, item, 100, 0, 100, 0, 1000); |
| 310 | SubarrayTestCase(constructor, item, 0, undefined, 100, 5, 1); |
| 311 | |
| 312 | SubarrayTestCase(constructor, item, 1, 89, 100, -11, -10); |
| 313 | SubarrayTestCase(constructor, item, 9, 90, 100, -10, 99); |
| 314 | SubarrayTestCase(constructor, item, 0, undefined, 100, -10, 80); |
| 315 | SubarrayTestCase(constructor, item, 10,80, 100, 80, -10); |
| 316 | |
| 317 | SubarrayTestCase(constructor, item, 10,90, 100, 90, "100"); |
| 318 | SubarrayTestCase(constructor, item, 10,90, 100, "90", "100"); |
| 319 | |
| 320 | SubarrayTestCase(constructor, item, 0, undefined, 100, 90, "abc"); |
| 321 | SubarrayTestCase(constructor, item, 10,0, 100, "abc", 10); |
| 322 | |
| 323 | SubarrayTestCase(constructor, item, 10,0, 100, 0.96, 10.96); |
| 324 | SubarrayTestCase(constructor, item, 10,0, 100, 0.96, 10.01); |
| 325 | SubarrayTestCase(constructor, item, 10,0, 100, 0.01, 10.01); |
| 326 | SubarrayTestCase(constructor, item, 10,0, 100, 0.01, 10.96); |
| 327 | |
| 328 | |
| 329 | SubarrayTestCase(constructor, item, 10,90, 100, 90); |
| 330 | SubarrayTestCase(constructor, item, 10,90, 100, -10); |
| 331 | |
| 332 | var method = constructor.prototype.subarray; |
| 333 | method.call(new constructor(100), 0, 100); |
| 334 | var o = {}; |
| 335 | assertThrows(function() { method.call(o, 0, 100); }, TypeError); |
| 336 | } |
| 337 | |
| 338 | TestSubArray(Uint8Array, 0xFF); |
| 339 | TestSubArray(Int8Array, -0x7F); |
| 340 | TestSubArray(Uint16Array, 0xFFFF); |
| 341 | TestSubArray(Int16Array, -0x7FFF); |
| 342 | TestSubArray(Uint32Array, 0xFFFFFFFF); |
| 343 | TestSubArray(Int32Array, -0x7FFFFFFF); |
| 344 | TestSubArray(Float32Array, 0.5); |
| 345 | TestSubArray(Float64Array, 0.5); |
| 346 | TestSubArray(Uint8ClampedArray, 0xFF); |
| 347 | |
| 348 | function TestTypedArrayOutOfRange(constructor, value, result) { |
| 349 | var a = new constructor(1); |
| 350 | a[0] = value; |
| 351 | assertSame(result, a[0]); |
| 352 | } |
| 353 | |
| 354 | TestTypedArrayOutOfRange(Uint8Array, 0x1FA, 0xFA); |
| 355 | TestTypedArrayOutOfRange(Uint8Array, -1, 0xFF); |
| 356 | |
| 357 | TestTypedArrayOutOfRange(Int8Array, 0x1FA, 0x7A - 0x80); |
| 358 | |
| 359 | TestTypedArrayOutOfRange(Uint16Array, 0x1FFFA, 0xFFFA); |
| 360 | TestTypedArrayOutOfRange(Uint16Array, -1, 0xFFFF); |
| 361 | TestTypedArrayOutOfRange(Int16Array, 0x1FFFA, 0x7FFA - 0x8000); |
| 362 | |
| 363 | TestTypedArrayOutOfRange(Uint32Array, 0x1FFFFFFFA, 0xFFFFFFFA); |
| 364 | TestTypedArrayOutOfRange(Uint32Array, -1, 0xFFFFFFFF); |
| 365 | TestTypedArrayOutOfRange(Int32Array, 0x1FFFFFFFA, 0x7FFFFFFA - 0x80000000); |
| 366 | |
| 367 | TestTypedArrayOutOfRange(Uint8ClampedArray, 0x1FA, 0xFF); |
| 368 | TestTypedArrayOutOfRange(Uint8ClampedArray, -1, 0); |
| 369 | |
| 370 | var typedArrayConstructors = [ |
| 371 | Uint8Array, |
| 372 | Int8Array, |
| 373 | Uint16Array, |
| 374 | Int16Array, |
| 375 | Uint32Array, |
| 376 | Int32Array, |
| 377 | Uint8ClampedArray, |
| 378 | Float32Array, |
| 379 | Float64Array]; |
| 380 | |
| 381 | function TestPropertyTypeChecks(constructor) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 382 | function CheckProperty(name) { |
| 383 | var d = Object.getOwnPropertyDescriptor(constructor.prototype, name); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 384 | var o = {}; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 385 | assertThrows(function() {d.get.call(o);}, TypeError); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 386 | for (var i = 0; i < typedArrayConstructors.length; i++) { |
| 387 | var ctor = typedArrayConstructors[i]; |
| 388 | var a = new ctor(10); |
| 389 | if (ctor === constructor) { |
| 390 | d.get.call(a); // shouldn't throw |
| 391 | } else { |
| 392 | assertThrows(function() {d.get.call(a);}, TypeError); |
| 393 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 394 | } |
| 395 | } |
| 396 | |
| 397 | CheckProperty("buffer"); |
| 398 | CheckProperty("byteOffset"); |
| 399 | CheckProperty("byteLength"); |
| 400 | CheckProperty("length"); |
| 401 | } |
| 402 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 403 | for(i = 0; i < typedArrayConstructors.length; i++) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 404 | TestPropertyTypeChecks(typedArrayConstructors[i]); |
| 405 | } |
| 406 | |
| 407 | |
| 408 | function TestTypedArraySet() { |
| 409 | // Test array.set in different combinations. |
| 410 | |
| 411 | function assertArrayPrefix(expected, array) { |
| 412 | for (var i = 0; i < expected.length; ++i) { |
| 413 | assertEquals(expected[i], array[i]); |
| 414 | } |
| 415 | } |
| 416 | |
| 417 | var a11 = new Int16Array([1, 2, 3, 4, 0, -1]) |
| 418 | var a12 = new Uint16Array(15) |
| 419 | a12.set(a11, 3) |
| 420 | assertArrayPrefix([0, 0, 0, 1, 2, 3, 4, 0, 0xffff, 0, 0], a12) |
| 421 | assertThrows(function(){ a11.set(a12) }) |
| 422 | |
| 423 | var a21 = [1, undefined, 10, NaN, 0, -1, {valueOf: function() {return 3}}] |
| 424 | var a22 = new Int32Array(12) |
| 425 | a22.set(a21, 2) |
| 426 | assertArrayPrefix([0, 0, 1, 0, 10, 0, 0, -1, 3, 0], a22) |
| 427 | |
| 428 | var a31 = new Float32Array([2, 4, 6, 8, 11, NaN, 1/0, -3]) |
| 429 | var a32 = a31.subarray(2, 6) |
| 430 | a31.set(a32, 4) |
| 431 | assertArrayPrefix([2, 4, 6, 8, 6, 8, 11, NaN], a31) |
| 432 | assertArrayPrefix([6, 8, 6, 8], a32) |
| 433 | |
| 434 | var a4 = new Uint8ClampedArray([3,2,5,6]) |
| 435 | a4.set(a4) |
| 436 | assertArrayPrefix([3, 2, 5, 6], a4) |
| 437 | |
| 438 | // Cases with overlapping backing store but different element sizes. |
| 439 | var b = new ArrayBuffer(4) |
| 440 | var a5 = new Int16Array(b) |
| 441 | var a50 = new Int8Array(b) |
| 442 | var a51 = new Int8Array(b, 0, 2) |
| 443 | var a52 = new Int8Array(b, 1, 2) |
| 444 | var a53 = new Int8Array(b, 2, 2) |
| 445 | |
| 446 | a5.set([0x5050, 0x0a0a]) |
| 447 | assertArrayPrefix([0x50, 0x50, 0x0a, 0x0a], a50) |
| 448 | assertArrayPrefix([0x50, 0x50], a51) |
| 449 | assertArrayPrefix([0x50, 0x0a], a52) |
| 450 | assertArrayPrefix([0x0a, 0x0a], a53) |
| 451 | |
| 452 | a50.set([0x50, 0x50, 0x0a, 0x0a]) |
| 453 | a51.set(a5) |
| 454 | assertArrayPrefix([0x50, 0x0a, 0x0a, 0x0a], a50) |
| 455 | |
| 456 | a50.set([0x50, 0x50, 0x0a, 0x0a]) |
| 457 | a52.set(a5) |
| 458 | assertArrayPrefix([0x50, 0x50, 0x0a, 0x0a], a50) |
| 459 | |
| 460 | a50.set([0x50, 0x50, 0x0a, 0x0a]) |
| 461 | a53.set(a5) |
| 462 | assertArrayPrefix([0x50, 0x50, 0x50, 0x0a], a50) |
| 463 | |
| 464 | a50.set([0x50, 0x51, 0x0a, 0x0b]) |
| 465 | a5.set(a51) |
| 466 | assertArrayPrefix([0x0050, 0x0051], a5) |
| 467 | |
| 468 | a50.set([0x50, 0x51, 0x0a, 0x0b]) |
| 469 | a5.set(a52) |
| 470 | assertArrayPrefix([0x0051, 0x000a], a5) |
| 471 | |
| 472 | a50.set([0x50, 0x51, 0x0a, 0x0b]) |
| 473 | a5.set(a53) |
| 474 | assertArrayPrefix([0x000a, 0x000b], a5) |
| 475 | |
| 476 | // Mixed types of same size. |
| 477 | var a61 = new Float32Array([1.2, 12.3]) |
| 478 | var a62 = new Int32Array(2) |
| 479 | a62.set(a61) |
| 480 | assertArrayPrefix([1, 12], a62) |
| 481 | a61.set(a62) |
| 482 | assertArrayPrefix([1, 12], a61) |
| 483 | |
| 484 | // Invalid source |
| 485 | var a = new Uint16Array(50); |
| 486 | var expected = []; |
| 487 | for (i = 0; i < 50; i++) { |
| 488 | a[i] = i; |
| 489 | expected.push(i); |
| 490 | } |
| 491 | a.set({}); |
| 492 | assertArrayPrefix(expected, a); |
| 493 | assertThrows(function() { a.set.call({}) }, TypeError); |
| 494 | assertThrows(function() { a.set.call([]) }, TypeError); |
| 495 | |
| 496 | assertThrows(function() { a.set(0); }, TypeError); |
| 497 | assertThrows(function() { a.set(0, 1); }, TypeError); |
| 498 | } |
| 499 | |
| 500 | TestTypedArraySet(); |
| 501 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 502 | function TestTypedArraysWithIllegalIndices() { |
| 503 | var a = new Int32Array(100); |
| 504 | |
| 505 | a[-10] = 10; |
| 506 | assertEquals(undefined, a[-10]); |
| 507 | a["-10"] = 10; |
| 508 | assertEquals(undefined, a["-10"]); |
| 509 | |
| 510 | var s = " -10"; |
| 511 | a[s] = 10; |
| 512 | assertEquals(10, a[s]); |
| 513 | var s1 = " -10 "; |
| 514 | a[s] = 10; |
| 515 | assertEquals(10, a[s]); |
| 516 | |
| 517 | a["-1e2"] = 10; |
| 518 | assertEquals(10, a["-1e2"]); |
| 519 | assertEquals(undefined, a[-1e2]); |
| 520 | |
| 521 | a["-0"] = 256; |
| 522 | var s2 = " -0"; |
| 523 | a[s2] = 255; |
| 524 | assertEquals(undefined, a["-0"]); |
| 525 | assertEquals(255, a[s2]); |
| 526 | assertEquals(0, a[-0]); |
| 527 | |
| 528 | /* Chromium bug: 424619 |
| 529 | * a[-Infinity] = 50; |
| 530 | * assertEquals(undefined, a[-Infinity]); |
| 531 | */ |
| 532 | a[1.5] = 10; |
| 533 | assertEquals(undefined, a[1.5]); |
| 534 | var nan = Math.sqrt(-1); |
| 535 | a[nan] = 5; |
| 536 | assertEquals(5, a[nan]); |
| 537 | |
| 538 | var x = 0; |
| 539 | var y = -0; |
| 540 | assertEquals(Infinity, 1/x); |
| 541 | assertEquals(-Infinity, 1/y); |
| 542 | a[x] = 5; |
| 543 | a[y] = 27; |
| 544 | assertEquals(27, a[x]); |
| 545 | assertEquals(27, a[y]); |
| 546 | } |
| 547 | |
| 548 | TestTypedArraysWithIllegalIndices(); |
| 549 | |
| 550 | function TestTypedArraysWithIllegalIndicesStrict() { |
| 551 | 'use strict'; |
| 552 | var a = new Int32Array(100); |
| 553 | |
| 554 | a[-10] = 10; |
| 555 | assertEquals(undefined, a[-10]); |
| 556 | a["-10"] = 10; |
| 557 | assertEquals(undefined, a["-10"]); |
| 558 | |
| 559 | var s = " -10"; |
| 560 | a[s] = 10; |
| 561 | assertEquals(10, a[s]); |
| 562 | var s1 = " -10 "; |
| 563 | a[s] = 10; |
| 564 | assertEquals(10, a[s]); |
| 565 | |
| 566 | a["-1e2"] = 10; |
| 567 | assertEquals(10, a["-1e2"]); |
| 568 | assertEquals(undefined, a[-1e2]); |
| 569 | |
| 570 | a["-0"] = 256; |
| 571 | var s2 = " -0"; |
| 572 | a[s2] = 255; |
| 573 | assertEquals(undefined, a["-0"]); |
| 574 | assertEquals(255, a[s2]); |
| 575 | assertEquals(0, a[-0]); |
| 576 | |
| 577 | /* Chromium bug: 424619 |
| 578 | * a[-Infinity] = 50; |
| 579 | * assertEquals(undefined, a[-Infinity]); |
| 580 | */ |
| 581 | a[1.5] = 10; |
| 582 | assertEquals(undefined, a[1.5]); |
| 583 | var nan = Math.sqrt(-1); |
| 584 | a[nan] = 5; |
| 585 | assertEquals(5, a[nan]); |
| 586 | |
| 587 | var x = 0; |
| 588 | var y = -0; |
| 589 | assertEquals(Infinity, 1/x); |
| 590 | assertEquals(-Infinity, 1/y); |
| 591 | a[x] = 5; |
| 592 | a[y] = 27; |
| 593 | assertEquals(27, a[x]); |
| 594 | assertEquals(27, a[y]); |
| 595 | } |
| 596 | |
| 597 | TestTypedArraysWithIllegalIndicesStrict(); |
| 598 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 599 | // DataView |
| 600 | function TestDataViewConstructor() { |
| 601 | var ab = new ArrayBuffer(256); |
| 602 | |
| 603 | var d1 = new DataView(ab, 1, 255); |
| 604 | assertTrue(ArrayBuffer.isView(d1)); |
| 605 | assertSame(ab, d1.buffer); |
| 606 | assertSame(1, d1.byteOffset); |
| 607 | assertSame(255, d1.byteLength); |
| 608 | |
| 609 | var d2 = new DataView(ab, 2); |
| 610 | assertSame(ab, d2.buffer); |
| 611 | assertSame(2, d2.byteOffset); |
| 612 | assertSame(254, d2.byteLength); |
| 613 | |
| 614 | var d3 = new DataView(ab); |
| 615 | assertSame(ab, d3.buffer); |
| 616 | assertSame(0, d3.byteOffset); |
| 617 | assertSame(256, d3.byteLength); |
| 618 | |
| 619 | var d3a = new DataView(ab, 1, 0); |
| 620 | assertSame(ab, d3a.buffer); |
| 621 | assertSame(1, d3a.byteOffset); |
| 622 | assertSame(0, d3a.byteLength); |
| 623 | |
| 624 | var d3b = new DataView(ab, 256, 0); |
| 625 | assertSame(ab, d3b.buffer); |
| 626 | assertSame(256, d3b.byteOffset); |
| 627 | assertSame(0, d3b.byteLength); |
| 628 | |
| 629 | var d3c = new DataView(ab, 256); |
| 630 | assertSame(ab, d3c.buffer); |
| 631 | assertSame(256, d3c.byteOffset); |
| 632 | assertSame(0, d3c.byteLength); |
| 633 | |
| 634 | var d4 = new DataView(ab, 1, 3.1415926); |
| 635 | assertSame(ab, d4.buffer); |
| 636 | assertSame(1, d4.byteOffset); |
| 637 | assertSame(3, d4.byteLength); |
| 638 | |
| 639 | |
| 640 | // error cases |
| 641 | assertThrows(function() { new DataView(ab, -1); }, RangeError); |
| 642 | assertThrows(function() { new DataView(ab, 1, -1); }, RangeError); |
| 643 | assertThrows(function() { new DataView(); }, TypeError); |
| 644 | assertThrows(function() { new DataView([]); }, TypeError); |
| 645 | assertThrows(function() { new DataView(ab, 257); }, RangeError); |
| 646 | assertThrows(function() { new DataView(ab, 1, 1024); }, RangeError); |
| 647 | } |
| 648 | |
| 649 | TestDataViewConstructor(); |
| 650 | |
| 651 | function TestDataViewPropertyTypeChecks() { |
| 652 | var a = new DataView(new ArrayBuffer(10)); |
| 653 | function CheckProperty(name) { |
| 654 | var d = Object.getOwnPropertyDescriptor(DataView.prototype, name); |
| 655 | var o = {} |
| 656 | assertThrows(function() {d.get.call(o);}, TypeError); |
| 657 | d.get.call(a); // shouldn't throw |
| 658 | } |
| 659 | |
| 660 | CheckProperty("buffer"); |
| 661 | CheckProperty("byteOffset"); |
| 662 | CheckProperty("byteLength"); |
| 663 | } |
| 664 | |
| 665 | |
| 666 | TestDataViewPropertyTypeChecks(); |
| 667 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 668 | |
| 669 | function TestDataViewToStringTag() { |
| 670 | var a = new DataView(new ArrayBuffer(10)); |
| 671 | assertEquals("[object DataView]", Object.prototype.toString.call(a)); |
| 672 | var desc = Object.getOwnPropertyDescriptor( |
| 673 | DataView.prototype, Symbol.toStringTag); |
| 674 | assertTrue(desc.configurable); |
| 675 | assertFalse(desc.enumerable); |
| 676 | assertFalse(desc.writable); |
| 677 | assertEquals("DataView", desc.value); |
| 678 | } |
| 679 | |
| 680 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 681 | // General tests for properties |
| 682 | |
| 683 | // Test property attribute [[Enumerable]] |
| 684 | function TestEnumerable(func, obj) { |
| 685 | function props(x) { |
| 686 | var array = []; |
| 687 | for (var p in x) array.push(p); |
| 688 | return array.sort(); |
| 689 | } |
| 690 | assertArrayEquals([], props(func)); |
| 691 | assertArrayEquals([], props(func.prototype)); |
| 692 | if (obj) |
| 693 | assertArrayEquals([], props(obj)); |
| 694 | } |
| 695 | TestEnumerable(ArrayBuffer, new ArrayBuffer()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 696 | for(i = 0; i < typedArrayConstructors.length; i++) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 697 | TestEnumerable(typedArrayConstructors[i]); |
| 698 | } |
| 699 | TestEnumerable(DataView, new DataView(new ArrayBuffer())); |
| 700 | |
| 701 | // Test arbitrary properties on ArrayBuffer |
| 702 | function TestArbitrary(m) { |
| 703 | function TestProperty(map, property, value) { |
| 704 | map[property] = value; |
| 705 | assertEquals(value, map[property]); |
| 706 | } |
| 707 | for (var i = 0; i < 20; i++) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 708 | TestProperty(m, 'key' + i, 'val' + i); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 709 | TestProperty(m, 'foo' + i, 'bar' + i); |
| 710 | } |
| 711 | } |
| 712 | TestArbitrary(new ArrayBuffer(256)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 713 | for(i = 0; i < typedArrayConstructors.length; i++) { |
| 714 | TestArbitrary(new typedArrayConstructors[i](10)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 715 | } |
| 716 | TestArbitrary(new DataView(new ArrayBuffer(256))); |
| 717 | |
| 718 | |
| 719 | // Test direct constructor call |
| 720 | assertThrows(function() { ArrayBuffer(); }, TypeError); |
| 721 | assertThrows(function() { DataView(new ArrayBuffer()); }, TypeError); |