4550cdf552
... that started failing on AIX where the allocation of a huge ArrayBuffer succeeds. Bug: v8:4153 Change-Id: I322c71e01edccb254a523f7f85817971b6c68242 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1914561 Reviewed-by: Toon Verwaest <verwaest@chromium.org> Commit-Queue: Igor Sheludko <ishell@chromium.org> Cr-Commit-Position: refs/heads/master@{#64960}
590 lines
18 KiB
JavaScript
590 lines
18 KiB
JavaScript
// Copyright 2015 the V8 project authors. All rights reserved.
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are
|
|
// met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above
|
|
// copyright notice, this list of conditions and the following
|
|
// disclaimer in the documentation and/or other materials provided
|
|
// with the distribution.
|
|
// * Neither the name of Google Inc. nor the names of its
|
|
// contributors may be used to endorse or promote products derived
|
|
// from this software without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
// Flags: --harmony-sharedarraybuffer --allow-natives-syntax
|
|
|
|
// SharedArrayBuffer
|
|
|
|
function TestByteLength(param, expectedByteLength) {
|
|
var sab = new SharedArrayBuffer(param);
|
|
assertSame(expectedByteLength, sab.byteLength);
|
|
}
|
|
|
|
function TestArrayBufferCreation() {
|
|
TestByteLength(1, 1);
|
|
TestByteLength(256, 256);
|
|
TestByteLength(2.567, 2);
|
|
|
|
TestByteLength("abc", 0);
|
|
|
|
TestByteLength(0, 0);
|
|
|
|
assertThrows(function() { new SharedArrayBuffer(-10); }, RangeError);
|
|
assertThrows(function() { new SharedArrayBuffer(-2.567); }, RangeError);
|
|
|
|
assertThrows(function() {
|
|
let kArrayBufferByteLengthLimit = %ArrayBufferMaxByteLength() + 1;
|
|
var ab1 = new SharedArrayBuffer(kArrayBufferByteLengthLimit);
|
|
}, RangeError);
|
|
|
|
var sab = new SharedArrayBuffer();
|
|
assertSame(0, sab.byteLength);
|
|
assertEquals("[object SharedArrayBuffer]",
|
|
Object.prototype.toString.call(sab));
|
|
}
|
|
|
|
TestArrayBufferCreation();
|
|
|
|
function TestByteLengthNotWritable() {
|
|
var sab = new SharedArrayBuffer(1024);
|
|
assertSame(1024, sab.byteLength);
|
|
|
|
assertThrows(function() { "use strict"; sab.byteLength = 42; }, TypeError);
|
|
}
|
|
|
|
TestByteLengthNotWritable();
|
|
|
|
// Typed arrays using SharedArrayBuffers
|
|
|
|
// TODO(binji): how many of these tests are necessary if there are no new
|
|
// TypedArray types?
|
|
|
|
function MakeSharedTypedArray(constr, numElements) {
|
|
var sab = new SharedArrayBuffer(constr.BYTES_PER_ELEMENT * numElements);
|
|
return new constr(sab);
|
|
}
|
|
|
|
function TestTypedArray(constr, elementSize, typicalElement) {
|
|
assertSame(elementSize, constr.BYTES_PER_ELEMENT);
|
|
|
|
var sab = new SharedArrayBuffer(256*elementSize);
|
|
|
|
var a0 = new constr(30);
|
|
assertEquals("[object " + constr.name + "]",
|
|
Object.prototype.toString.call(a0));
|
|
|
|
assertSame(elementSize, a0.BYTES_PER_ELEMENT);
|
|
assertSame(30, a0.length);
|
|
assertSame(30*elementSize, a0.byteLength);
|
|
assertSame(0, a0.byteOffset);
|
|
assertSame(30*elementSize, a0.buffer.byteLength);
|
|
|
|
var aOverBufferLen0 = new constr(sab, 128*elementSize, 0);
|
|
assertSame(sab, aOverBufferLen0.buffer);
|
|
assertSame(elementSize, aOverBufferLen0.BYTES_PER_ELEMENT);
|
|
assertSame(0, aOverBufferLen0.length);
|
|
assertSame(0, aOverBufferLen0.byteLength);
|
|
assertSame(128*elementSize, aOverBufferLen0.byteOffset);
|
|
|
|
var a1 = new constr(sab, 128*elementSize, 128);
|
|
assertSame(sab, a1.buffer);
|
|
assertSame(elementSize, a1.BYTES_PER_ELEMENT);
|
|
assertSame(128, a1.length);
|
|
assertSame(128*elementSize, a1.byteLength);
|
|
assertSame(128*elementSize, a1.byteOffset);
|
|
|
|
|
|
var a2 = new constr(sab, 64*elementSize, 128);
|
|
assertSame(sab, a2.buffer);
|
|
assertSame(elementSize, a2.BYTES_PER_ELEMENT);
|
|
assertSame(128, a2.length);
|
|
assertSame(128*elementSize, a2.byteLength);
|
|
assertSame(64*elementSize, a2.byteOffset);
|
|
|
|
var a3 = new constr(sab, 192*elementSize);
|
|
assertSame(sab, a3.buffer);
|
|
assertSame(64, a3.length);
|
|
assertSame(64*elementSize, a3.byteLength);
|
|
assertSame(192*elementSize, a3.byteOffset);
|
|
|
|
var a4 = new constr(sab);
|
|
assertSame(sab, a4.buffer);
|
|
assertSame(256, a4.length);
|
|
assertSame(256*elementSize, a4.byteLength);
|
|
assertSame(0, a4.byteOffset);
|
|
|
|
|
|
var i;
|
|
for (i = 0; i < 128; i++) {
|
|
a1[i] = typicalElement;
|
|
}
|
|
|
|
for (i = 0; i < 128; i++) {
|
|
assertSame(typicalElement, a1[i]);
|
|
}
|
|
|
|
for (i = 0; i < 64; i++) {
|
|
assertSame(0, a2[i]);
|
|
}
|
|
|
|
for (i = 64; i < 128; i++) {
|
|
assertSame(typicalElement, a2[i]);
|
|
}
|
|
|
|
for (i = 0; i < 64; i++) {
|
|
assertSame(typicalElement, a3[i]);
|
|
}
|
|
|
|
for (i = 0; i < 128; i++) {
|
|
assertSame(0, a4[i]);
|
|
}
|
|
|
|
for (i = 128; i < 256; i++) {
|
|
assertSame(typicalElement, a4[i]);
|
|
}
|
|
|
|
var aAtTheEnd = new constr(sab, 256*elementSize);
|
|
assertSame(elementSize, aAtTheEnd.BYTES_PER_ELEMENT);
|
|
assertSame(0, aAtTheEnd.length);
|
|
assertSame(0, aAtTheEnd.byteLength);
|
|
assertSame(256*elementSize, aAtTheEnd.byteOffset);
|
|
|
|
assertThrows(function () { new constr(sab, 257*elementSize); }, RangeError);
|
|
assertThrows(
|
|
function () { new constr(sab, 128*elementSize, 192); },
|
|
RangeError);
|
|
|
|
if (elementSize !== 1) {
|
|
assertThrows(function() { new constr(sab, 128*elementSize - 1, 10); },
|
|
RangeError);
|
|
var unalignedArrayBuffer = new SharedArrayBuffer(10*elementSize + 1);
|
|
var goodArray = new constr(unalignedArrayBuffer, 0, 10);
|
|
assertSame(10, goodArray.length);
|
|
assertSame(10*elementSize, goodArray.byteLength);
|
|
assertThrows(function() { new constr(unalignedArrayBuffer)}, RangeError);
|
|
assertThrows(function() { new constr(unalignedArrayBuffer, 5*elementSize)},
|
|
RangeError);
|
|
}
|
|
|
|
var abLen0 = new SharedArrayBuffer(0);
|
|
var aOverAbLen0 = new constr(abLen0);
|
|
assertSame(abLen0, aOverAbLen0.buffer);
|
|
assertSame(elementSize, aOverAbLen0.BYTES_PER_ELEMENT);
|
|
assertSame(0, aOverAbLen0.length);
|
|
assertSame(0, aOverAbLen0.byteLength);
|
|
assertSame(0, aOverAbLen0.byteOffset);
|
|
|
|
var a = new constr(sab, 64*elementSize, 128);
|
|
assertEquals("[object " + constr.name + "]",
|
|
Object.prototype.toString.call(a));
|
|
var desc = Object.getOwnPropertyDescriptor(
|
|
constr.prototype.__proto__, Symbol.toStringTag);
|
|
assertTrue(desc.configurable);
|
|
assertFalse(desc.enumerable);
|
|
assertFalse(!!desc.writable);
|
|
assertFalse(!!desc.set);
|
|
assertEquals("function", typeof desc.get);
|
|
}
|
|
|
|
TestTypedArray(Uint8Array, 1, 0xFF);
|
|
TestTypedArray(Int8Array, 1, -0x7F);
|
|
TestTypedArray(Uint16Array, 2, 0xFFFF);
|
|
TestTypedArray(Int16Array, 2, -0x7FFF);
|
|
TestTypedArray(Uint32Array, 4, 0xFFFFFFFF);
|
|
TestTypedArray(Int32Array, 4, -0x7FFFFFFF);
|
|
TestTypedArray(Float32Array, 4, 0.5);
|
|
TestTypedArray(Float64Array, 8, 0.5);
|
|
TestTypedArray(Uint8ClampedArray, 1, 0xFF);
|
|
|
|
|
|
function SubarrayTestCase(constructor, item, expectedResultLen,
|
|
expectedStartIndex, initialLen, start, end) {
|
|
var a = MakeSharedTypedArray(constructor, initialLen);
|
|
var s = a.subarray(start, end);
|
|
assertSame(constructor, s.constructor);
|
|
assertSame(expectedResultLen, s.length);
|
|
if (s.length > 0) {
|
|
s[0] = item;
|
|
assertSame(item, a[expectedStartIndex]);
|
|
}
|
|
}
|
|
|
|
function TestSubArray(constructor, item) {
|
|
SubarrayTestCase(constructor, item, 512, 512, 1024, 512, 1024);
|
|
SubarrayTestCase(constructor, item, 512, 512, 1024, 512);
|
|
|
|
SubarrayTestCase(constructor, item, 0, undefined, 0, 1, 20);
|
|
SubarrayTestCase(constructor, item, 100, 0, 100, 0, 100);
|
|
SubarrayTestCase(constructor, item, 100, 0, 100, 0, 1000);
|
|
SubarrayTestCase(constructor, item, 0, undefined, 100, 5, 1);
|
|
|
|
SubarrayTestCase(constructor, item, 1, 89, 100, -11, -10);
|
|
SubarrayTestCase(constructor, item, 9, 90, 100, -10, 99);
|
|
SubarrayTestCase(constructor, item, 0, undefined, 100, -10, 80);
|
|
SubarrayTestCase(constructor, item, 10,80, 100, 80, -10);
|
|
|
|
SubarrayTestCase(constructor, item, 10,90, 100, 90, "100");
|
|
SubarrayTestCase(constructor, item, 10,90, 100, "90", "100");
|
|
|
|
SubarrayTestCase(constructor, item, 0, undefined, 100, 90, "abc");
|
|
SubarrayTestCase(constructor, item, 10,0, 100, "abc", 10);
|
|
|
|
SubarrayTestCase(constructor, item, 10,0, 100, 0.96, 10.96);
|
|
SubarrayTestCase(constructor, item, 10,0, 100, 0.96, 10.01);
|
|
SubarrayTestCase(constructor, item, 10,0, 100, 0.01, 10.01);
|
|
SubarrayTestCase(constructor, item, 10,0, 100, 0.01, 10.96);
|
|
|
|
|
|
SubarrayTestCase(constructor, item, 10,90, 100, 90);
|
|
SubarrayTestCase(constructor, item, 10,90, 100, -10);
|
|
}
|
|
|
|
TestSubArray(Uint8Array, 0xFF);
|
|
TestSubArray(Int8Array, -0x7F);
|
|
TestSubArray(Uint16Array, 0xFFFF);
|
|
TestSubArray(Int16Array, -0x7FFF);
|
|
TestSubArray(Uint32Array, 0xFFFFFFFF);
|
|
TestSubArray(Int32Array, -0x7FFFFFFF);
|
|
TestSubArray(Float32Array, 0.5);
|
|
TestSubArray(Float64Array, 0.5);
|
|
TestSubArray(Uint8ClampedArray, 0xFF);
|
|
|
|
function TestTypedArrayOutOfRange(constructor, value, result) {
|
|
var a = MakeSharedTypedArray(constructor, 1);
|
|
a[0] = value;
|
|
assertSame(result, a[0]);
|
|
}
|
|
|
|
TestTypedArrayOutOfRange(Uint8Array, 0x1FA, 0xFA);
|
|
TestTypedArrayOutOfRange(Uint8Array, -1, 0xFF);
|
|
|
|
TestTypedArrayOutOfRange(Int8Array, 0x1FA, 0x7A - 0x80);
|
|
|
|
TestTypedArrayOutOfRange(Uint16Array, 0x1FFFA, 0xFFFA);
|
|
TestTypedArrayOutOfRange(Uint16Array, -1, 0xFFFF);
|
|
TestTypedArrayOutOfRange(Int16Array, 0x1FFFA, 0x7FFA - 0x8000);
|
|
|
|
TestTypedArrayOutOfRange(Uint32Array, 0x1FFFFFFFA, 0xFFFFFFFA);
|
|
TestTypedArrayOutOfRange(Uint32Array, -1, 0xFFFFFFFF);
|
|
TestTypedArrayOutOfRange(Int32Array, 0x1FFFFFFFA, 0x7FFFFFFA - 0x80000000);
|
|
|
|
TestTypedArrayOutOfRange(Uint8ClampedArray, 0x1FA, 0xFF);
|
|
TestTypedArrayOutOfRange(Uint8ClampedArray, -1, 0);
|
|
|
|
var typedArrayConstructors = [
|
|
Uint8Array,
|
|
Int8Array,
|
|
Uint16Array,
|
|
Int16Array,
|
|
Uint32Array,
|
|
Int32Array,
|
|
Uint8ClampedArray,
|
|
Float32Array,
|
|
Float64Array];
|
|
|
|
function TestPropertyTypeChecks(constructor) {
|
|
function CheckProperty(name) {
|
|
var d = Object.getOwnPropertyDescriptor(constructor.prototype.__proto__,
|
|
name);
|
|
var o = {};
|
|
assertThrows(function() {d.get.call(o);}, TypeError);
|
|
for (var i = 0; i < typedArrayConstructors.length; i++) {
|
|
var ctor = typedArrayConstructors[i];
|
|
var a = MakeSharedTypedArray(ctor, 10);
|
|
d.get.call(a); // shouldn't throw
|
|
}
|
|
}
|
|
|
|
CheckProperty("buffer");
|
|
CheckProperty("byteOffset");
|
|
CheckProperty("byteLength");
|
|
CheckProperty("length");
|
|
}
|
|
|
|
for(i = 0; i < typedArrayConstructors.length; i++) {
|
|
TestPropertyTypeChecks(typedArrayConstructors[i]);
|
|
}
|
|
|
|
function TestTypedArraySet() {
|
|
// Test array.set in different combinations.
|
|
|
|
function assertArrayPrefix(expected, array) {
|
|
for (var i = 0; i < expected.length; ++i) {
|
|
assertEquals(expected[i], array[i]);
|
|
}
|
|
}
|
|
|
|
// SharedTypedArrays don't allow initialization via array-like
|
|
function initializeFromArray(constructor, array) {
|
|
var buffer = MakeSharedTypedArray(constructor, array.length);
|
|
for (var i = 0; i < array.length; ++i) {
|
|
buffer[i] = array[i];
|
|
}
|
|
return buffer;
|
|
}
|
|
|
|
var a11 = initializeFromArray(Int16Array, [1, 2, 3, 4, 0, -1])
|
|
var a12 = MakeSharedTypedArray(Uint16Array, 15);
|
|
a12.set(a11, 3)
|
|
assertArrayPrefix([0, 0, 0, 1, 2, 3, 4, 0, 0xffff, 0, 0], a12)
|
|
assertThrows(function(){ a11.set(a12) })
|
|
|
|
var a21 = [1, undefined, 10, NaN, 0, -1, {valueOf: function() {return 3}}]
|
|
var a22 = MakeSharedTypedArray(Int32Array, 12)
|
|
a22.set(a21, 2)
|
|
assertArrayPrefix([0, 0, 1, 0, 10, 0, 0, -1, 3, 0], a22)
|
|
|
|
var a31 = initializeFromArray(Float32Array, [2, 4, 6, 8, 11, NaN, 1/0, -3])
|
|
var a32 = a31.subarray(2, 6)
|
|
a31.set(a32, 4)
|
|
assertArrayPrefix([2, 4, 6, 8, 6, 8, 11, NaN], a31)
|
|
assertArrayPrefix([6, 8, 6, 8], a32)
|
|
|
|
var a4 = initializeFromArray(Uint8ClampedArray, [3,2,5,6])
|
|
a4.set(a4)
|
|
assertArrayPrefix([3, 2, 5, 6], a4)
|
|
|
|
// Cases with overlapping backing store but different element sizes.
|
|
var b = new SharedArrayBuffer(4)
|
|
var a5 = new Int16Array(b)
|
|
var a50 = new Int8Array(b)
|
|
var a51 = new Int8Array(b, 0, 2)
|
|
var a52 = new Int8Array(b, 1, 2)
|
|
var a53 = new Int8Array(b, 2, 2)
|
|
|
|
a5.set([0x5050, 0x0a0a])
|
|
assertArrayPrefix([0x50, 0x50, 0x0a, 0x0a], a50)
|
|
assertArrayPrefix([0x50, 0x50], a51)
|
|
assertArrayPrefix([0x50, 0x0a], a52)
|
|
assertArrayPrefix([0x0a, 0x0a], a53)
|
|
|
|
a50.set([0x50, 0x50, 0x0a, 0x0a])
|
|
a51.set(a5)
|
|
assertArrayPrefix([0x50, 0x0a, 0x0a, 0x0a], a50)
|
|
|
|
a50.set([0x50, 0x50, 0x0a, 0x0a])
|
|
a52.set(a5)
|
|
assertArrayPrefix([0x50, 0x50, 0x0a, 0x0a], a50)
|
|
|
|
a50.set([0x50, 0x50, 0x0a, 0x0a])
|
|
a53.set(a5)
|
|
assertArrayPrefix([0x50, 0x50, 0x50, 0x0a], a50)
|
|
|
|
a50.set([0x50, 0x51, 0x0a, 0x0b])
|
|
a5.set(a51)
|
|
assertArrayPrefix([0x0050, 0x0051], a5)
|
|
|
|
a50.set([0x50, 0x51, 0x0a, 0x0b])
|
|
a5.set(a52)
|
|
assertArrayPrefix([0x0051, 0x000a], a5)
|
|
|
|
a50.set([0x50, 0x51, 0x0a, 0x0b])
|
|
a5.set(a53)
|
|
assertArrayPrefix([0x000a, 0x000b], a5)
|
|
|
|
// Mixed types of same size.
|
|
var a61 = initializeFromArray(Float32Array, [1.2, 12.3])
|
|
var a62 = MakeSharedTypedArray(Int32Array, 2)
|
|
a62.set(a61)
|
|
assertArrayPrefix([1, 12], a62)
|
|
a61.set(a62)
|
|
assertArrayPrefix([1, 12], a61)
|
|
|
|
// Invalid source
|
|
var a = MakeSharedTypedArray(Uint16Array, 50);
|
|
var expected = [];
|
|
for (i = 0; i < 50; i++) {
|
|
a[i] = i;
|
|
expected.push(i);
|
|
}
|
|
a.set({});
|
|
assertArrayPrefix(expected, a);
|
|
assertThrows(function() { a.set.call({}) }, TypeError);
|
|
assertThrows(function() { a.set.call([]) }, TypeError);
|
|
|
|
assertThrows(function() { a.set(0); }, TypeError);
|
|
assertThrows(function() { a.set(0, 1); }, TypeError);
|
|
}
|
|
|
|
TestTypedArraySet();
|
|
|
|
function TestTypedArraysWithIllegalIndices() {
|
|
var a = MakeSharedTypedArray(Int32Array, 100);
|
|
|
|
a[-10] = 10;
|
|
assertEquals(undefined, a[-10]);
|
|
a["-10"] = 10;
|
|
assertEquals(undefined, a["-10"]);
|
|
|
|
var s = " -10";
|
|
a[s] = 10;
|
|
assertEquals(10, a[s]);
|
|
var s1 = " -10 ";
|
|
a[s] = 10;
|
|
assertEquals(10, a[s]);
|
|
|
|
a["-1e2"] = 10;
|
|
assertEquals(10, a["-1e2"]);
|
|
assertEquals(undefined, a[-1e2]);
|
|
|
|
a["-0"] = 256;
|
|
var s2 = " -0";
|
|
a[s2] = 255;
|
|
assertEquals(undefined, a["-0"]);
|
|
assertEquals(255, a[s2]);
|
|
assertEquals(0, a[-0]);
|
|
|
|
|
|
a[-Infinity] = 50;
|
|
assertEquals(undefined, a[-Infinity]);
|
|
|
|
a[1.5] = 10;
|
|
assertEquals(undefined, a[1.5]);
|
|
var nan = Math.sqrt(-1);
|
|
a[nan] = 5;
|
|
assertEquals(undefined, a[nan]);
|
|
|
|
var x = 0;
|
|
var y = -0;
|
|
assertEquals(Infinity, 1/x);
|
|
assertEquals(-Infinity, 1/y);
|
|
a[x] = 5;
|
|
a[y] = 27;
|
|
assertEquals(27, a[x]);
|
|
assertEquals(27, a[y]);
|
|
}
|
|
|
|
TestTypedArraysWithIllegalIndices();
|
|
|
|
function TestTypedArraysWithIllegalIndicesStrict() {
|
|
'use strict';
|
|
var a = MakeSharedTypedArray(Int32Array, 100);
|
|
|
|
a[-10] = 10;
|
|
assertEquals(undefined, a[-10]);
|
|
a["-10"] = 10;
|
|
assertEquals(undefined, a["-10"]);
|
|
|
|
var s = " -10";
|
|
a[s] = 10;
|
|
assertEquals(10, a[s]);
|
|
var s1 = " -10 ";
|
|
a[s] = 10;
|
|
assertEquals(10, a[s]);
|
|
|
|
a["-1e2"] = 10;
|
|
assertEquals(10, a["-1e2"]);
|
|
assertEquals(undefined, a[-1e2]);
|
|
|
|
a["-0"] = 256;
|
|
var s2 = " -0";
|
|
a[s2] = 255;
|
|
assertEquals(undefined, a["-0"]);
|
|
assertEquals(255, a[s2]);
|
|
assertEquals(0, a[-0]);
|
|
|
|
a[-Infinity] = 50;
|
|
assertEquals(undefined, a[-Infinity]);
|
|
|
|
a[1.5] = 10;
|
|
assertEquals(undefined, a[1.5]);
|
|
var nan = Math.sqrt(-1);
|
|
a[nan] = 5;
|
|
assertEquals(undefined, a[nan]);
|
|
|
|
var x = 0;
|
|
var y = -0;
|
|
assertEquals(Infinity, 1/x);
|
|
assertEquals(-Infinity, 1/y);
|
|
a[x] = 5;
|
|
a[y] = 27;
|
|
assertEquals(27, a[x]);
|
|
assertEquals(27, a[y]);
|
|
}
|
|
|
|
TestTypedArraysWithIllegalIndicesStrict();
|
|
|
|
// General tests for properties
|
|
|
|
// Test property attribute [[Enumerable]]
|
|
function TestEnumerable(func, obj) {
|
|
function props(x) {
|
|
var array = [];
|
|
for (var p in x) array.push(p);
|
|
return array.sort();
|
|
}
|
|
assertArrayEquals([], props(func));
|
|
assertArrayEquals([], props(func.prototype));
|
|
if (obj)
|
|
assertArrayEquals([], props(obj));
|
|
}
|
|
TestEnumerable(ArrayBuffer, new SharedArrayBuffer());
|
|
for(i = 0; i < typedArrayConstructors.length; i++) {
|
|
TestEnumerable(typedArrayConstructors[i]);
|
|
}
|
|
|
|
// Test arbitrary properties on ArrayBuffer
|
|
function TestArbitrary(m) {
|
|
function TestProperty(map, property, value) {
|
|
map[property] = value;
|
|
assertEquals(value, map[property]);
|
|
}
|
|
for (var i = 0; i < 20; i++) {
|
|
TestProperty(m, 'key' + i, 'val' + i);
|
|
TestProperty(m, 'foo' + i, 'bar' + i);
|
|
}
|
|
}
|
|
TestArbitrary(new SharedArrayBuffer(256));
|
|
for(i = 0; i < typedArrayConstructors.length; i++) {
|
|
TestArbitrary(MakeSharedTypedArray(typedArrayConstructors[i], 10));
|
|
}
|
|
|
|
// Test direct constructor call
|
|
assertThrows(function() { SharedArrayBuffer(); }, TypeError);
|
|
for(i = 0; i < typedArrayConstructors.length; i++) {
|
|
assertThrows(function(i) { typedArrayConstructors[i](); }.bind(this, i),
|
|
TypeError);
|
|
}
|
|
|
|
// byteLength from prototype can be overwritten
|
|
var s = new SharedArrayBuffer(10);
|
|
assertEquals(10, s.byteLength);
|
|
Object.defineProperty(s, 'byteLength', {value: 42});
|
|
assertEquals(42, s.byteLength);
|
|
|
|
// byteLength on incompatible type (shared vs. regular ArrayBuffer)
|
|
var desc = Object.getOwnPropertyDescriptor(ArrayBuffer.prototype, 'byteLength');
|
|
s = new SharedArrayBuffer(10);
|
|
Object.defineProperty(s, 'byteLength', desc);
|
|
assertThrows(function() {s.byteLength}, TypeError);
|
|
|
|
desc = Object.getOwnPropertyDescriptor(SharedArrayBuffer.prototype,
|
|
'byteLength');
|
|
var a = new ArrayBuffer(10);
|
|
Object.defineProperty(a, 'byteLength', desc);
|
|
assertThrows(function() {a.byteLength}, TypeError);
|
|
|
|
// test SharedArrayBuffer species getter
|
|
assertSame(SharedArrayBuffer[Symbol.species], SharedArrayBuffer);
|
|
var desc = Object.getOwnPropertyDescriptor(SharedArrayBuffer, Symbol.species);
|
|
assertEquals("function", typeof desc.get);
|
|
assertEquals("get [Symbol.species]", desc.get.name);
|
|
assertEquals(0, desc.get.length);
|
|
assertEquals("undefined", typeof desc.set);
|
|
assertTrue(desc.configurable);
|
|
assertFalse(desc.enumerable);
|