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Unified Diff: test/mjsunit/harmony/typedarrays.js

Issue 1215863003: Include Harmony Array/TypedArray methods unconditionally (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: remove the flag and move the tests Created 5 years, 6 months ago
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Index: test/mjsunit/harmony/typedarrays.js
diff --git a/test/mjsunit/harmony/typedarrays.js b/test/mjsunit/harmony/typedarrays.js
deleted file mode 100644
index ef7955ce928bfd80deff04bea4ef71f2ad8395cc..0000000000000000000000000000000000000000
--- a/test/mjsunit/harmony/typedarrays.js
+++ /dev/null
@@ -1,758 +0,0 @@
-// Copyright 2013 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-tostring
-
-// ArrayBuffer
-
-function TestByteLength(param, expectedByteLength) {
- var ab = new ArrayBuffer(param);
- assertSame(expectedByteLength, ab.byteLength);
-}
-
-function TestArrayBufferCreation() {
- TestByteLength(1, 1);
- TestByteLength(256, 256);
- TestByteLength(2.567, 2);
-
- TestByteLength("abc", 0);
-
- TestByteLength(0, 0);
-
- assertThrows(function() { new ArrayBuffer(-10); }, RangeError);
- assertThrows(function() { new ArrayBuffer(-2.567); }, RangeError);
-
-/* TODO[dslomov]: Reenable the test
- assertThrows(function() {
- var ab1 = new ArrayBuffer(0xFFFFFFFFFFFF)
- }, RangeError);
-*/
-
- var ab = new ArrayBuffer();
- assertSame(0, ab.byteLength);
- assertEquals("[object ArrayBuffer]",
- Object.prototype.toString.call(ab));
-}
-
-TestArrayBufferCreation();
-
-function TestByteLengthNotWritable() {
- var ab = new ArrayBuffer(1024);
- assertSame(1024, ab.byteLength);
-
- assertThrows(function() { "use strict"; ab.byteLength = 42; }, TypeError);
-}
-
-TestByteLengthNotWritable();
-
-function TestSlice(expectedResultLen, initialLen, start, end) {
- var ab = new ArrayBuffer(initialLen);
- var a1 = new Uint8Array(ab);
- for (var i = 0; i < a1.length; i++) {
- a1[i] = 0xCA;
- }
- var slice = ab.slice(start, end);
- assertSame(expectedResultLen, slice.byteLength);
- var a2 = new Uint8Array(slice);
- for (var i = 0; i < a2.length; i++) {
- assertSame(0xCA, a2[i]);
- }
-}
-
-function TestArrayBufferSlice() {
- var ab = new ArrayBuffer(1024);
- var ab1 = ab.slice(512, 1024);
- assertSame(512, ab1.byteLength);
-
- TestSlice(512, 1024, 512, 1024);
- TestSlice(512, 1024, 512);
-
- TestSlice(0, 0, 1, 20);
- TestSlice(100, 100, 0, 100);
- TestSlice(100, 100, 0, 1000);
-
- TestSlice(0, 100, 5, 1);
-
- TestSlice(1, 100, -11, -10);
- TestSlice(9, 100, -10, 99);
- TestSlice(0, 100, -10, 80);
- TestSlice(10, 100, 80, -10);
-
- TestSlice(10, 100, 90, "100");
- TestSlice(10, 100, "90", "100");
-
- TestSlice(0, 100, 90, "abc");
- TestSlice(10, 100, "abc", 10);
-
- TestSlice(10, 100, 0.96, 10.96);
- TestSlice(10, 100, 0.96, 10.01);
- TestSlice(10, 100, 0.01, 10.01);
- TestSlice(10, 100, 0.01, 10.96);
-
- TestSlice(10, 100, 90);
- TestSlice(10, 100, -10);
-}
-
-TestArrayBufferSlice();
-
-// Typed arrays
-
-function TestTypedArray(constr, elementSize, typicalElement) {
- assertSame(elementSize, constr.BYTES_PER_ELEMENT);
-
- var ab = new ArrayBuffer(256*elementSize);
-
- var a0 = new constr(30);
- assertEquals("[object " + constr.name + "]",
- Object.prototype.toString.call(a0));
-
- assertTrue(ArrayBuffer.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 aLen0 = new constr(0);
- assertSame(elementSize, aLen0.BYTES_PER_ELEMENT);
- assertSame(0, aLen0.length);
- assertSame(0, aLen0.byteLength);
- assertSame(0, aLen0.byteOffset);
- assertSame(0, aLen0.buffer.byteLength);
-
- var aOverBufferLen0 = new constr(ab, 128*elementSize, 0);
- assertSame(ab, 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(ab, 128*elementSize, 128);
- assertSame(ab, 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(ab, 64*elementSize, 128);
- assertSame(ab, 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(ab, 192*elementSize);
- assertSame(ab, a3.buffer);
- assertSame(64, a3.length);
- assertSame(64*elementSize, a3.byteLength);
- assertSame(192*elementSize, a3.byteOffset);
-
- var a4 = new constr(ab);
- assertSame(ab, 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(ab, 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(ab, 257*elementSize); }, RangeError);
- assertThrows(
- function () { new constr(ab, 128*elementSize, 192); },
- RangeError);
-
- if (elementSize !== 1) {
- assertThrows(function() { new constr(ab, 128*elementSize - 1, 10); },
- RangeError);
- var unalignedArrayBuffer = new ArrayBuffer(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 aFromString = new constr("30");
- assertSame(elementSize, aFromString.BYTES_PER_ELEMENT);
- assertSame(30, aFromString.length);
- assertSame(30*elementSize, aFromString.byteLength);
- assertSame(0, aFromString.byteOffset);
- assertSame(30*elementSize, aFromString.buffer.byteLength);
-
- var jsArray = [];
- for (i = 0; i < 30; i++) {
- jsArray.push(typicalElement);
- }
- var aFromArray = new constr(jsArray);
- assertSame(elementSize, aFromArray.BYTES_PER_ELEMENT);
- assertSame(30, aFromArray.length);
- assertSame(30*elementSize, aFromArray.byteLength);
- assertSame(0, aFromArray.byteOffset);
- assertSame(30*elementSize, aFromArray.buffer.byteLength);
- for (i = 0; i < 30; i++) {
- assertSame(typicalElement, aFromArray[i]);
- }
-
- var abLen0 = new ArrayBuffer(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 aNoParam = new constr();
- assertSame(elementSize, aNoParam.BYTES_PER_ELEMENT);
- assertSame(0, aNoParam.length);
- assertSame(0, aNoParam.byteLength);
- assertSame(0, aNoParam.byteOffset);
-
- var a = new constr(ab, 64*elementSize, 128);
- assertEquals("[object " + constr.name + "]",
- Object.prototype.toString.call(a));
- var desc = Object.getOwnPropertyDescriptor(
- constr.prototype, Symbol.toStringTag);
- assertTrue(desc.configurable);
- assertFalse(desc.enumerable);
- assertFalse(!!desc.writable);
- assertFalse(!!desc.set);
- assertEquals("function", typeof desc.get);
-
- // Test that the constructor can be called with an iterable
- function* gen() { for (var i = 0; i < 10; i++) yield i; }
- var genArr = new constr(gen());
- assertEquals(10, genArr.length);
- assertEquals(0, genArr[0]);
- assertEquals(9, genArr[9]);
- // Arrays can be converted to TypedArrays
- genArr = new constr([1, 2, 3]);
- assertEquals(3, genArr.length);
- assertEquals(1, genArr[0]);
- assertEquals(3, genArr[2]);
- // Redefining Array.prototype[Symbol.iterator] still works
- var arrayIterator = Array.prototype[Symbol.iterator];
- Array.prototype[Symbol.iterator] = gen;
- genArr = new constr([1, 2, 3]);
- assertEquals(10, genArr.length);
- assertEquals(0, genArr[0]);
- assertEquals(9, genArr[9]);
- Array.prototype[Symbol.iterator] = arrayIterator;
- // Other array-like things can be made into a TypedArray
- var myObject = { 0: 5, 1: 6, length: 2 };
- genArr = new constr(myObject);
- assertEquals(2, genArr.length);
- assertEquals(5, genArr[0]);
- assertEquals(6, genArr[1]);
- // Iterator takes precedence over array-like, and the property
- // is read only once.
- var iteratorReadCount = 0;
- Object.defineProperty(myObject, Symbol.iterator, {
- get: function() { iteratorReadCount++; return gen; }
- });
- genArr = new constr(myObject);
- assertEquals(10, genArr.length);
- assertEquals(0, genArr[0]);
- assertEquals(9, genArr[9]);
- assertEquals(1, iteratorReadCount);
-}
-
-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 = new 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);
-
- var method = constructor.prototype.subarray;
- method.call(new constructor(100), 0, 100);
- var o = {};
- assertThrows(function() { method.call(o, 0, 100); }, TypeError);
-}
-
-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 = new 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, name);
- var o = {};
- assertThrows(function() {d.get.call(o);}, TypeError);
- for (var i = 0; i < typedArrayConstructors.length; i++) {
- var ctor = typedArrayConstructors[i];
- var a = new ctor(10);
- if (ctor === constructor) {
- d.get.call(a); // shouldn't throw
- } else {
- assertThrows(function() {d.get.call(a);}, TypeError);
- }
- }
- }
-
- 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]);
- }
- }
-
- var a11 = new Int16Array([1, 2, 3, 4, 0, -1])
- var a12 = new 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 = new Int32Array(12)
- a22.set(a21, 2)
- assertArrayPrefix([0, 0, 1, 0, 10, 0, 0, -1, 3, 0], a22)
-
- var a31 = new 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 = new 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 ArrayBuffer(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 = new Float32Array([1.2, 12.3])
- var a62 = new Int32Array(2)
- a62.set(a61)
- assertArrayPrefix([1, 12], a62)
- a61.set(a62)
- assertArrayPrefix([1, 12], a61)
-
- // Invalid source
- var a = new 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 = new 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 = new 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();
-
-// DataView
-function TestDataViewConstructor() {
- var ab = new ArrayBuffer(256);
-
- var d1 = new DataView(ab, 1, 255);
- assertTrue(ArrayBuffer.isView(d1));
- assertSame(ab, d1.buffer);
- assertSame(1, d1.byteOffset);
- assertSame(255, d1.byteLength);
-
- var d2 = new DataView(ab, 2);
- assertSame(ab, d2.buffer);
- assertSame(2, d2.byteOffset);
- assertSame(254, d2.byteLength);
-
- var d3 = new DataView(ab);
- assertSame(ab, d3.buffer);
- assertSame(0, d3.byteOffset);
- assertSame(256, d3.byteLength);
-
- var d3a = new DataView(ab, 1, 0);
- assertSame(ab, d3a.buffer);
- assertSame(1, d3a.byteOffset);
- assertSame(0, d3a.byteLength);
-
- var d3b = new DataView(ab, 256, 0);
- assertSame(ab, d3b.buffer);
- assertSame(256, d3b.byteOffset);
- assertSame(0, d3b.byteLength);
-
- var d3c = new DataView(ab, 256);
- assertSame(ab, d3c.buffer);
- assertSame(256, d3c.byteOffset);
- assertSame(0, d3c.byteLength);
-
- var d4 = new DataView(ab, 1, 3.1415926);
- assertSame(ab, d4.buffer);
- assertSame(1, d4.byteOffset);
- assertSame(3, d4.byteLength);
-
-
- // error cases
- assertThrows(function() { new DataView(ab, -1); }, RangeError);
- assertThrows(function() { new DataView(ab, 1, -1); }, RangeError);
- assertThrows(function() { new DataView(); }, TypeError);
- assertThrows(function() { new DataView([]); }, TypeError);
- assertThrows(function() { new DataView(ab, 257); }, RangeError);
- assertThrows(function() { new DataView(ab, 1, 1024); }, RangeError);
-}
-
-TestDataViewConstructor();
-
-function TestDataViewPropertyTypeChecks() {
- var a = new DataView(new ArrayBuffer(10));
- function CheckProperty(name) {
- var d = Object.getOwnPropertyDescriptor(DataView.prototype, name);
- var o = {}
- assertThrows(function() {d.get.call(o);}, TypeError);
- d.get.call(a); // shouldn't throw
- }
-
- CheckProperty("buffer");
- CheckProperty("byteOffset");
- CheckProperty("byteLength");
-}
-
-
-TestDataViewPropertyTypeChecks();
-
-
-function TestDataViewToStringTag() {
- var a = new DataView(new ArrayBuffer(10));
- assertEquals("[object DataView]", Object.prototype.toString.call(a));
- var desc = Object.getOwnPropertyDescriptor(
- DataView.prototype, Symbol.toStringTag);
- assertTrue(desc.configurable);
- assertFalse(desc.enumerable);
- assertFalse(desc.writable);
- assertEquals("DataView", desc.value);
-}
-
-
-// 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 ArrayBuffer());
-for(i = 0; i < typedArrayConstructors.length; i++) {
- TestEnumerable(typedArrayConstructors[i]);
-}
-TestEnumerable(DataView, new DataView(new ArrayBuffer()));
-
-// 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 ArrayBuffer(256));
-for(i = 0; i < typedArrayConstructors.length; i++) {
- TestArbitrary(new typedArrayConstructors[i](10));
-}
-TestArbitrary(new DataView(new ArrayBuffer(256)));
-
-
-// Test direct constructor call
-assertThrows(function() { ArrayBuffer(); }, TypeError);
-assertThrows(function() { DataView(new ArrayBuffer()); }, TypeError);
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