v8/test/mjsunit/harmony/sharedarraybuffer.js

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// 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 --harmony-tostring
// 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);
/* TODO[dslomov]: Reenable the test
assertThrows(function() {
var ab1 = new SharedArrayBuffer(0xFFFFFFFFFFFF)
}, 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();
function TestArrayBufferNoSlice() {
var sab = new SharedArrayBuffer(10);
assertEquals(undefined, sab.slice);
}
TestArrayBufferNoSlice();
// 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));
// TODO(binji): Should this return false here? It is a view, but it doesn't
// view a SharedArrayBuffer...
assertTrue(SharedArrayBuffer.isView(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(
Reland of Use ES2015-style TypedArray prototype chain (patchset #1 id:1 of https://codereview.chromium.org/1554523002/ ) Reason for revert: Should be fixed again with this Blink change to add NeedsManualRebaseline Original issue's description: > Revert of Use ES2015-style TypedArray prototype chain (patchset #5 id:80001 of https://codereview.chromium.org/1541233002/ ) > > Reason for revert: > [Sheriff] Changes layout tests. Please fix upstream first if intended. > > https://build.chromium.org/p/client.v8.fyi/builders/V8-Blink%20Linux%2064/builds/3689 > > Original issue's description: > > Use ES2015-style TypedArray prototype chain > > > > This patch switches TypedArrays to use the prototype chain described > > in the ES2015 specification, which adds a %TypedArray% superclass above > > all individual TypedArray types. Most methods are defined on the > > superclass rather than the subclasses. > > > > In order to prevent a performance regression, a few methods are > > marked as inline. Inlining might prevent code which was previously > > monomorphic from becoming polymorphic, and it was specifically > > applied in places where methods became more polymorphic than before. > > Tests with realistic workloads would be nice to do before this > > ships in stable. > > > > This patch does not bring TypedArrays up to full spec compliance. In > > particular, @@species is not yet supported. > > > > R=cbruni > > BUG=v8:4085 > > LOG=Y > > > > Committed: https://crrev.com/07c91dccbe55c7be3ec75857dee5ad59873330b7 > > Cr-Commit-Position: refs/heads/master@{#33050} > > TBR=caitpotter88@gmail.com,cbruni@chromium.org,littledan@chromium.org > NOPRESUBMIT=true > NOTREECHECKS=true > NOTRY=true > BUG=v8:4085 > > Committed: https://crrev.com/28b55ffd1e32e09aaf42b8bbb407944d4808e07c > Cr-Commit-Position: refs/heads/master@{#33053} TBR=caitpotter88@gmail.com,cbruni@chromium.org,machenbach@chromium.org BUG=v8:4085 LOG=Y CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_chromium_rel_ng;tryserver.blink:linux_blink_rel Review URL: https://codereview.chromium.org/1558663002 Cr-Commit-Position: refs/heads/master@{#33067}
2015-12-30 22:13:40 +00:00
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) {
Reland of Use ES2015-style TypedArray prototype chain (patchset #1 id:1 of https://codereview.chromium.org/1554523002/ ) Reason for revert: Should be fixed again with this Blink change to add NeedsManualRebaseline Original issue's description: > Revert of Use ES2015-style TypedArray prototype chain (patchset #5 id:80001 of https://codereview.chromium.org/1541233002/ ) > > Reason for revert: > [Sheriff] Changes layout tests. Please fix upstream first if intended. > > https://build.chromium.org/p/client.v8.fyi/builders/V8-Blink%20Linux%2064/builds/3689 > > Original issue's description: > > Use ES2015-style TypedArray prototype chain > > > > This patch switches TypedArrays to use the prototype chain described > > in the ES2015 specification, which adds a %TypedArray% superclass above > > all individual TypedArray types. Most methods are defined on the > > superclass rather than the subclasses. > > > > In order to prevent a performance regression, a few methods are > > marked as inline. Inlining might prevent code which was previously > > monomorphic from becoming polymorphic, and it was specifically > > applied in places where methods became more polymorphic than before. > > Tests with realistic workloads would be nice to do before this > > ships in stable. > > > > This patch does not bring TypedArrays up to full spec compliance. In > > particular, @@species is not yet supported. > > > > R=cbruni > > BUG=v8:4085 > > LOG=Y > > > > Committed: https://crrev.com/07c91dccbe55c7be3ec75857dee5ad59873330b7 > > Cr-Commit-Position: refs/heads/master@{#33050} > > TBR=caitpotter88@gmail.com,cbruni@chromium.org,littledan@chromium.org > NOPRESUBMIT=true > NOTREECHECKS=true > NOTRY=true > BUG=v8:4085 > > Committed: https://crrev.com/28b55ffd1e32e09aaf42b8bbb407944d4808e07c > Cr-Commit-Position: refs/heads/master@{#33053} TBR=caitpotter88@gmail.com,cbruni@chromium.org,machenbach@chromium.org BUG=v8:4085 LOG=Y CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_chromium_rel_ng;tryserver.blink:linux_blink_rel Review URL: https://codereview.chromium.org/1558663002 Cr-Commit-Position: refs/heads/master@{#33067}
2015-12-30 22:13:40 +00:00
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);
Reland of Use ES2015-style TypedArray prototype chain (patchset #1 id:1 of https://codereview.chromium.org/1554523002/ ) Reason for revert: Should be fixed again with this Blink change to add NeedsManualRebaseline Original issue's description: > Revert of Use ES2015-style TypedArray prototype chain (patchset #5 id:80001 of https://codereview.chromium.org/1541233002/ ) > > Reason for revert: > [Sheriff] Changes layout tests. Please fix upstream first if intended. > > https://build.chromium.org/p/client.v8.fyi/builders/V8-Blink%20Linux%2064/builds/3689 > > Original issue's description: > > Use ES2015-style TypedArray prototype chain > > > > This patch switches TypedArrays to use the prototype chain described > > in the ES2015 specification, which adds a %TypedArray% superclass above > > all individual TypedArray types. Most methods are defined on the > > superclass rather than the subclasses. > > > > In order to prevent a performance regression, a few methods are > > marked as inline. Inlining might prevent code which was previously > > monomorphic from becoming polymorphic, and it was specifically > > applied in places where methods became more polymorphic than before. > > Tests with realistic workloads would be nice to do before this > > ships in stable. > > > > This patch does not bring TypedArrays up to full spec compliance. In > > particular, @@species is not yet supported. > > > > R=cbruni > > BUG=v8:4085 > > LOG=Y > > > > Committed: https://crrev.com/07c91dccbe55c7be3ec75857dee5ad59873330b7 > > Cr-Commit-Position: refs/heads/master@{#33050} > > TBR=caitpotter88@gmail.com,cbruni@chromium.org,littledan@chromium.org > NOPRESUBMIT=true > NOTREECHECKS=true > NOTRY=true > BUG=v8:4085 > > Committed: https://crrev.com/28b55ffd1e32e09aaf42b8bbb407944d4808e07c > Cr-Commit-Position: refs/heads/master@{#33053} TBR=caitpotter88@gmail.com,cbruni@chromium.org,machenbach@chromium.org BUG=v8:4085 LOG=Y CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_chromium_rel_ng;tryserver.blink:linux_blink_rel Review URL: https://codereview.chromium.org/1558663002 Cr-Commit-Position: refs/heads/master@{#33067}
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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]);
/* Chromium bug: 424619
* 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]);
/* Chromium bug: 424619
* 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);
}