Index: test/mjsunit/es6/typedarray-neutered.js |
diff --git a/test/mjsunit/es6/typedarray-neutered.js b/test/mjsunit/es6/typedarray-neutered.js |
new file mode 100644 |
index 0000000000000000000000000000000000000000..f272f4f0847590fc0840c110ca696f2168c35e28 |
--- /dev/null |
+++ b/test/mjsunit/es6/typedarray-neutered.js |
@@ -0,0 +1,781 @@ |
+// Copyright 2016 the V8 project authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+// Flags: --allow-natives-syntax |
+ |
+// Disable the neutering protector. |
+%ArrayBufferNeuter(new ArrayBuffer(1024)); |
+ |
+// 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 aFromUndef = new constr(); |
+ assertSame(elementSize, aFromUndef.BYTES_PER_ELEMENT); |
+ assertSame(0, aFromUndef.length); |
+ assertSame(0*elementSize, aFromUndef.byteLength); |
+ assertSame(0, aFromUndef.byteOffset); |
+ assertSame(0*elementSize, aFromUndef.buffer.byteLength); |
+ |
+ var aFromNull = new constr(null); |
+ assertSame(elementSize, aFromNull.BYTES_PER_ELEMENT); |
+ assertSame(0, aFromNull.length); |
+ assertSame(0*elementSize, aFromNull.byteLength); |
+ assertSame(0, aFromNull.byteOffset); |
+ assertSame(0*elementSize, aFromNull.buffer.byteLength); |
+ |
+ var aFromBool = new constr(true); |
+ assertSame(elementSize, aFromBool.BYTES_PER_ELEMENT); |
+ assertSame(1, aFromBool.length); |
+ assertSame(1*elementSize, aFromBool.byteLength); |
+ assertSame(0, aFromBool.byteOffset); |
+ assertSame(1*elementSize, aFromBool.buffer.byteLength); |
+ |
+ 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); |
+ |
+ assertThrows(function() { new constr(Symbol()); }, TypeError); |
+ |
+ 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.__proto__, 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) { |
+ assertThrows(function() { 'use strict'; new constructor(10)[name] = 0; }) |
+ 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 = new 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]); |
+ } |
+ } |
+ |
+ 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); |
+ |
+ assertEquals(1, a.set.length); |
+} |
+ |
+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]); |
+ |
+ 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(); }, 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"); |
+ |
+ function CheckGetSetLength(name) { |
+ assertEquals(1, DataView.prototype["get" + name].length); |
+ assertEquals(2, DataView.prototype["set" + name].length); |
+ } |
+ CheckGetSetLength("Int8"); |
+ CheckGetSetLength("Uint8"); |
+ CheckGetSetLength("Int16"); |
+ CheckGetSetLength("Uint16"); |
+ CheckGetSetLength("Int32"); |
+ CheckGetSetLength("Uint32"); |
+ CheckGetSetLength("Float32"); |
+ CheckGetSetLength("Float64"); |
+} |
+ |
+ |
+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); |
+ |
+function TestNonConfigurableProperties(constructor) { |
+ var arr = new constructor([100]) |
+ assertFalse(Object.getOwnPropertyDescriptor(arr,"0").configurable) |
+ assertFalse(delete arr[0]) |
+} |
+ |
+for(i = 0; i < typedArrayConstructors.length; i++) { |
+ TestNonConfigurableProperties(typedArrayConstructors[i]); |
+} |