var $arrayUnshift;
var $innerArrayForEach;
var $innerArrayEvery;
-var $innerArrayFilter;
-var $innerArrayMap;
-var $innerArrayReduce;
-var $innerArrayReduceRight;
-var $innerArraySome;
(function(global, shared, exports) {
// The following functions cannot be made efficient on sparse arrays while
// preserving the semantics, since the calls to the receiver function can add
// or delete elements from the array.
-function InnerArrayFilter(f, receiver, array, length) {
+function ArrayFilter(f, receiver) {
+ CHECK_OBJECT_COERCIBLE(this, "Array.prototype.filter");
+
+ // Pull out the length so that modifications to the length in the
+ // loop will not affect the looping and side effects are visible.
+ var array = $toObject(this);
+ var length = $toUint32(array.length);
+
if (!IS_SPEC_FUNCTION(f)) throw MakeTypeError(kCalledNonCallable, f);
var needs_wrapper = false;
if (IS_NULL(receiver)) {
return result;
}
-function ArrayFilter(f, receiver) {
- CHECK_OBJECT_COERCIBLE(this, "Array.prototype.filter");
-
- // Pull out the length so that modifications to the length in the
- // loop will not affect the looping and side effects are visible.
- var array = $toObject(this);
- var length = $toUint32(array.length);
-
- return InnerArrayFilter(f, receiver, array, length);
-}
-
function InnerArrayForEach(f, receiver, array, length) {
if (!IS_SPEC_FUNCTION(f)) throw MakeTypeError(kCalledNonCallable, f);
var needs_wrapper = false;
}
-function InnerArraySome(f, receiver, array, length) {
+// Executes the function once for each element present in the
+// array until it finds one where callback returns true.
+function ArraySome(f, receiver) {
+ CHECK_OBJECT_COERCIBLE(this, "Array.prototype.some");
+
+ // Pull out the length so that modifications to the length in the
+ // loop will not affect the looping and side effects are visible.
+ var array = $toObject(this);
+ var length = TO_UINT32(array.length);
+
if (!IS_SPEC_FUNCTION(f)) throw MakeTypeError(kCalledNonCallable, f);
var needs_wrapper = false;
if (IS_NULL(receiver)) {
}
-// Executes the function once for each element present in the
-// array until it finds one where callback returns true.
-function ArraySome(f, receiver) {
- CHECK_OBJECT_COERCIBLE(this, "Array.prototype.some");
-
- // Pull out the length so that modifications to the length in the
- // loop will not affect the looping and side effects are visible.
- var array = $toObject(this);
- var length = TO_UINT32(array.length);
- return InnerArraySome(f, receiver, array, length);
-}
-
-
function InnerArrayEvery(f, receiver, array, length) {
if (!IS_SPEC_FUNCTION(f)) throw MakeTypeError(kCalledNonCallable, f);
var needs_wrapper = false;
}
-function InnerArrayMap(f, receiver, array, length) {
+function ArrayMap(f, receiver) {
+ CHECK_OBJECT_COERCIBLE(this, "Array.prototype.map");
+
+ // Pull out the length so that modifications to the length in the
+ // loop will not affect the looping and side effects are visible.
+ var array = $toObject(this);
+ var length = TO_UINT32(array.length);
+
if (!IS_SPEC_FUNCTION(f)) throw MakeTypeError(kCalledNonCallable, f);
var needs_wrapper = false;
if (IS_NULL(receiver)) {
}
-function ArrayMap(f, receiver) {
- CHECK_OBJECT_COERCIBLE(this, "Array.prototype.map");
-
- // Pull out the length so that modifications to the length in the
- // loop will not affect the looping and side effects are visible.
- var array = $toObject(this);
- var length = TO_UINT32(array.length);
- return InnerArrayMap(f, receiver, array, length);
-}
-
-
function ArrayIndexOf(element, index) {
CHECK_OBJECT_COERCIBLE(this, "Array.prototype.indexOf");
}
-function InnerArrayReduce(callback, current, array, length, argumentsLength) {
+function ArrayReduce(callback, current) {
+ CHECK_OBJECT_COERCIBLE(this, "Array.prototype.reduce");
+
+ // Pull out the length so that modifications to the length in the
+ // loop will not affect the looping and side effects are visible.
+ var array = $toObject(this);
+ var length = $toUint32(array.length);
+
if (!IS_SPEC_FUNCTION(callback)) {
throw MakeTypeError(kCalledNonCallable, callback);
}
var is_array = IS_ARRAY(array);
var i = 0;
- find_initial: if (argumentsLength < 2) {
+ find_initial: if (%_ArgumentsLength() < 2) {
for (; i < length; i++) {
if (HAS_INDEX(array, i, is_array)) {
current = array[i++];
}
-function ArrayReduce(callback, current) {
- CHECK_OBJECT_COERCIBLE(this, "Array.prototype.reduce");
+function ArrayReduceRight(callback, current) {
+ CHECK_OBJECT_COERCIBLE(this, "Array.prototype.reduceRight");
- // Pull out the length so that modifications to the length in the
- // loop will not affect the looping and side effects are visible.
+ // Pull out the length so that side effects are visible before the
+ // callback function is checked.
var array = $toObject(this);
var length = $toUint32(array.length);
- return InnerArrayReduce(callback, current, array, length,
- %_ArgumentsLength());
-}
-
-function InnerArrayReduceRight(callback, current, array, length,
- argumentsLength) {
if (!IS_SPEC_FUNCTION(callback)) {
throw MakeTypeError(kCalledNonCallable, callback);
}
var is_array = IS_ARRAY(array);
var i = length - 1;
- find_initial: if (argumentsLength < 2) {
+ find_initial: if (%_ArgumentsLength() < 2) {
for (; i >= 0; i--) {
if (HAS_INDEX(array, i, is_array)) {
current = array[i--];
return current;
}
-
-function ArrayReduceRight(callback, current) {
- CHECK_OBJECT_COERCIBLE(this, "Array.prototype.reduceRight");
-
- // Pull out the length so that side effects are visible before the
- // callback function is checked.
- var array = $toObject(this);
- var length = $toUint32(array.length);
- return InnerArrayReduceRight(callback, current, array, length,
- %_ArgumentsLength());
-}
-
// ES5, 15.4.3.2
function ArrayIsArray(obj) {
return IS_ARRAY(obj);
$arraySplice = ArraySplice;
$arrayUnshift = ArrayUnshift;
-$innerArrayEvery = InnerArrayEvery;
-$innerArrayFilter = InnerArrayFilter;
$innerArrayForEach = InnerArrayForEach;
-$innerArrayMap = InnerArrayMap;
-$innerArrayReduce = InnerArrayReduce;
-$innerArrayReduceRight = InnerArrayReduceRight;
-$innerArraySome = InnerArraySome;
+$innerArrayEvery = InnerArrayEvery;
});
// -------------------------------------------------------------------
-function ConstructTypedArray(constructor, array) {
- // TODO(littledan): This is an approximation of the spec, which requires
- // that only real TypedArray classes should be accepted (22.2.2.1.1)
- if (!IS_SPEC_OBJECT(constructor) || IS_UNDEFINED(constructor.prototype) ||
- !%HasOwnProperty(constructor.prototype, "BYTES_PER_ELEMENT")) {
- throw MakeTypeError(kNotTypedArray);
- }
-
- // TODO(littledan): The spec requires that, rather than directly calling
- // the constructor, a TypedArray is created with the proper proto and
- // underlying size and element size, and elements are put in one by one.
- // By contrast, this would allow subclasses to make a radically different
- // constructor with different semantics.
- return new constructor(array);
-}
-
-function ConstructTypedArrayLike(typedArray, arrayContents) {
- // TODO(littledan): The spec requires that we actuallly use
- // typedArray.constructor[Symbol.species] (bug v8:4093)
- return new typedArray.constructor(arrayContents);
-}
-
function TypedArrayCopyWithin(target, start, end) {
if (!%IsTypedArray(this)) throw MakeTypeError(kNotTypedArray);
%FunctionSetLength(TypedArrayForEach, 1);
// ES6 draft 04-05-14 section 22.2.3.8
-function TypedArrayFill(value, start, end) {
+function TypedArrayFill(value, start , end) {
if (!%IsTypedArray(this)) throw MakeTypeError(kNotTypedArray);
var length = %_TypedArrayGetLength(this);
}
%FunctionSetLength(TypedArrayFill, 1);
-// ES6 draft 07-15-13, section 22.2.3.9
-function TypedArrayFilter(predicate, thisArg) {
- if (!%IsTypedArray(this)) throw MakeTypeError(kNotTypedArray);
-
- var length = %_TypedArrayGetLength(this);
- var array = $innerArrayFilter(predicate, thisArg, this, length);
- return ConstructTypedArrayLike(this, array);
-}
-%FunctionSetLength(TypedArrayFilter, 1);
-
// ES6 draft 07-15-13, section 22.2.3.10
function TypedArrayFind(predicate, thisArg) {
if (!%IsTypedArray(this)) throw MakeTypeError(kNotTypedArray);
%FunctionSetLength(TypedArrayFindIndex, 1);
-// ES6 draft 07-15-13, section 22.2.3.18
-function TypedArrayMap(predicate, thisArg) {
- if (!%IsTypedArray(this)) throw MakeTypeError(kNotTypedArray);
-
- // TODO(littledan): Preallocate rather than making an intermediate
- // array, for better performance.
- var length = %_TypedArrayGetLength(this);
- var array = $innerArrayMap(predicate, thisArg, this, length);
- return ConstructTypedArrayLike(this, array);
-}
-%FunctionSetLength(TypedArrayMap, 1);
-
-
-// ES6 draft 07-15-13, section 22.2.3.19
-function TypedArrayReduce(callback, current) {
- if (!%IsTypedArray(this)) throw MakeTypeError(kNotTypedArray);
-
- var length = %_TypedArrayGetLength(this);
- return $innerArrayReduce(callback, current, this, length,
- %_ArgumentsLength());
-}
-%FunctionSetLength(TypedArrayReduce, 1);
-
-
-// ES6 draft 07-15-13, section 22.2.3.19
-function TypedArrayReduceRight(callback, current) {
- if (!%IsTypedArray(this)) throw MakeTypeError(kNotTypedArray);
-
- var length = %_TypedArrayGetLength(this);
- return $innerArrayReduceRight(callback, current, this, length,
- %_ArgumentsLength());
-}
-%FunctionSetLength(TypedArrayReduceRight, 1);
-
-
-// ES6 draft 05-05-15, section 22.2.3.24
-function TypedArraySome(f, receiver) {
- if (!%IsTypedArray(this)) throw MakeTypeError(kNotTypedArray);
-
- var length = %_TypedArrayGetLength(this);
-
- return $innerArraySome(f, receiver, this, length);
-}
-%FunctionSetLength(TypedArraySome, 1);
-
-
// ES6 draft 08-24-14, section 22.2.2.2
function TypedArrayOf() {
var length = %_ArgumentsLength();
$installFunctions(GlobalNAME.prototype, DONT_ENUM, [
"copyWithin", TypedArrayCopyWithin,
"every", TypedArrayEvery,
- "fill", TypedArrayFill,
- "filter", TypedArrayFilter,
+ "forEach", TypedArrayForEach,
"find", TypedArrayFind,
"findIndex", TypedArrayFindIndex,
- "forEach", TypedArrayForEach,
- "map", TypedArrayMap,
- "reduce", TypedArrayReduce,
- "reduceRight", TypedArrayReduceRight,
- "some", TypedArraySome
+ "fill", TypedArrayFill
]);
endmacro
+++ /dev/null
-// Copyright 2015 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: --harmony-arrays
-
-// Tests for standard TypedArray array iteration functions.
-
-var typedArrayConstructors = [
- Uint8Array,
- Int8Array,
- Uint16Array,
- Int16Array,
- Uint32Array,
- Int32Array,
- Uint8ClampedArray,
- Float32Array,
- Float64Array
-];
-
-function assertArrayLikeEquals(expected, value, type) {
- assertEquals(value.__proto__, type.prototype);
- assertEquals(expected.length, value.length);
- for (var i = 0; i < value.length; ++i) {
- assertEquals(expected[i], value[i]);
- }
-}
-
-for (var constructor of typedArrayConstructors) {
- (function TypedArrayFilterTest() {
- // Simple use.
- var a = new constructor([0, 1]);
- assertArrayLikeEquals([0], a.filter(function(n) { return n == 0; }),
- constructor);
- assertArrayLikeEquals([0, 1], a, constructor);
-
- // Use specified object as this object when calling the function.
- var o = { value: 42 }
- a = new constructor([1, 42, 3, 42, 4]);
- assertArrayLikeEquals([42, 42], a.filter(function(n) {
- return this.value == n
- }, o), constructor);
-
- // Modify original array.
- a = new constructor([1, 42, 3, 42, 4]);
- assertArrayLikeEquals([42, 42], a.filter(function(n, index, array) {
- array[index] = 43; return 42 == n;
- }), constructor);
- assertArrayLikeEquals([43, 43, 43, 43, 43], a, constructor);
-
- // Create a new object in each function call when receiver is a
- // primitive value. See ECMA-262, Annex C.
- a = [];
- new constructor([1, 2]).filter(function() { a.push(this) }, '');
- assertTrue(a[0] !== a[1]);
-
- // Do not create a new object otherwise.
- a = [];
- new constructor([1, 2]).filter(function() { a.push(this) }, {});
- assertEquals(a[0], a[1]);
-
- // In strict mode primitive values should not be coerced to an object.
- a = [];
- new constructor([1, 2]).filter(function() {
- 'use strict';
- a.push(this);
- }, '');
- assertEquals('', a[0]);
- assertEquals(a[0], a[1]);
-
- // Calling this method on other types is a TypeError
- assertThrows(function() {
- constructor.prototype.filter.call([], function() {});
- }, TypeError);
-
- // Shadowing the length property doesn't change anything
- a = new constructor([1, 2]);
- Object.defineProperty(a, 'length', { value: 1 });
- assertArrayLikeEquals([2], a.filter(function(elt) {
- return elt == 2;
- }), constructor);
- })();
-
- (function TypedArrayMapTest() {
- var a = new constructor([0, 1, 2, 3, 4]);
-
- // Simple use.
- var result = [1, 2, 3, 4, 5];
- assertArrayLikeEquals(result, a.map(function(n) { return n + 1; }),
- constructor);
- assertEquals(a, a);
-
- // Use specified object as this object when calling the function.
- var o = { delta: 42 }
- result = [42, 43, 44, 45, 46];
- assertArrayLikeEquals(result, a.map(function(n) {
- return this.delta + n;
- }, o), constructor);
-
- // Modify original array.
- a = new constructor([0, 1, 2, 3, 4]);
- result = [1, 2, 3, 4, 5];
- assertArrayLikeEquals(result, a.map(function(n, index, array) {
- array[index] = n + 1;
- return n + 1;
- }), constructor);
- assertArrayLikeEquals(result, a, constructor);
-
- // Create a new object in each function call when receiver is a
- // primitive value. See ECMA-262, Annex C.
- a = [];
- new constructor([1, 2]).map(function() { a.push(this) }, '');
- assertTrue(a[0] !== a[1]);
-
- // Do not create a new object otherwise.
- a = [];
- new constructor([1, 2]).map(function() { a.push(this) }, {});
- assertEquals(a[0], a[1]);
-
- // In strict mode primitive values should not be coerced to an object.
- a = [];
- new constructor([1, 2]).map(function() { 'use strict'; a.push(this); }, '');
- assertEquals('', a[0]);
- assertEquals(a[0], a[1]);
-
- // Test that the result is converted to the right type
- assertArrayLikeEquals([3, 3], new constructor([1, 2]).map(function() {
- return "3";
- }), constructor);
- if (constructor !== Float32Array && constructor !== Float64Array) {
- assertArrayLikeEquals([0, 0], new constructor([1, 2]).map(function() {
- return NaN;
- }), constructor);
- }
- })();
-
- //
- // %TypedArray%.prototype.some
- //
- (function TypedArraySomeTest() {
- var a = new constructor([0, 1, 2, 3, 4]);
-
- // Simple use.
- assertTrue(a.some(function(n) { return n == 3}));
- assertFalse(a.some(function(n) { return n == 5}));
-
- // Use specified object as this object when calling the function.
- var o = { element: 42 };
- a = new constructor([1, 42, 3]);
- assertTrue(a.some(function(n) { return this.element == n; }, o));
- a = new constructor([1]);
- assertFalse(a.some(function(n) { return this.element == n; }, o));
-
- // Modify original array.
- a = new constructor([0, 1, 2, 3]);
- assertTrue(a.some(function(n, index, array) {
- array[index] = n + 1;
- return n == 2;
- }));
- assertArrayLikeEquals([1, 2, 3, 3], a, constructor);
-
- // Create a new object in each function call when receiver is a
- // primitive value. See ECMA-262, Annex C.
- a = [];
- new constructor([1, 2]).some(function() { a.push(this) }, '');
- assertTrue(a[0] !== a[1]);
-
- // Do not create a new object otherwise.
- a = [];
- new constructor([1, 2]).some(function() { a.push(this) }, {});
- assertEquals(a[0], a[1]);
-
- // In strict mode primitive values should not be coerced to an object.
- a = [];
- new constructor([1, 2]).some(function() {
- 'use strict';
- a.push(this);
- }, '');
- assertEquals('', a[0]);
- assertEquals(a[0], a[1]);
-
- // Calling this method on other types is a TypeError
- assertThrows(function() {
- constructor.prototype.some.call([], function() {});
- }, TypeError);
-
- // Shadowing the length property doesn't change anything
- a = new constructor([1, 2]);
- Object.defineProperty(a, 'length', { value: 1 });
- assertEquals(true, a.some(function(elt) { return elt == 2; }));
- assertEquals(false, Array.prototype.some.call(a, function(elt) {
- return elt == 2;
- }));
- })();
-
-}
+++ /dev/null
-// Copyright 2015 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: --harmony-arrays --allow-natives-syntax
-
-var typedArrayConstructors = [
- Uint8Array,
- Int8Array,
- Uint16Array,
- Int16Array,
- Uint32Array,
- Int32Array,
- Uint8ClampedArray,
- Float32Array,
- Float64Array
-];
-
-function clone(v) {
- // Shallow-copies arrays, returns everything else verbatim.
- if (v instanceof Array) {
- // Shallow-copy an array.
- var newArray = new Array(v.length);
- for (var i in v) {
- newArray[i] = v[i];
- }
- return newArray;
- }
- return v;
-}
-
-
-// Creates a callback function for reduce/reduceRight that tests the number
-// of arguments and otherwise behaves as "func", but which also
-// records all calls in an array on the function (as arrays of arguments
-// followed by result).
-function makeRecorder(func, testName) {
- var record = [];
- var f = function recorder(a, b, i, s) {
- assertEquals(4, arguments.length,
- testName + "(number of arguments: " + arguments.length + ")");
- assertEquals("number", typeof(i), testName + "(index must be number)");
- assertEquals(s[i], b, testName + "(current argument is at index)");
- if (record.length > 0) {
- var prevRecord = record[record.length - 1];
- var prevResult = prevRecord[prevRecord.length - 1];
- assertEquals(prevResult, a,
- testName + "(prev result -> current input)");
- }
- var args = [clone(a), clone(b), i, clone(s)];
- var result = func.apply(this, arguments);
- args.push(clone(result));
- record.push(args);
- return result;
- };
- f.record = record;
- return f;
-}
-
-
-function testReduce(type,
- testName,
- expectedResult,
- expectedCalls,
- array,
- combine,
- init) {
- var rec = makeRecorder(combine);
- var result;
- var performsCall;
- if (arguments.length > 6) {
- result = array[type](rec, init);
- } else {
- result = array[type](rec);
- }
- var calls = rec.record;
- assertEquals(expectedCalls.length, calls.length,
- testName + " (number of calls)");
- for (var i = 0; i < expectedCalls.length; i++) {
- assertEquals(expectedCalls[i], calls[i],
- testName + " (call " + (i + 1) + ")");
- }
- assertEquals(expectedResult, result, testName + " (result)");
-}
-
-
-function sum(a, b) { return a + b; }
-function prod(a, b) { return a * b; }
-function dec(a, b, i, arr) { return a + b * Math.pow(10, arr.length - i - 1); }
-function accumulate(acc, elem, i) { acc[i] = elem; return acc; }
-
-for (var constructor of typedArrayConstructors) {
- // ---- Test Reduce[Left]
-
- var simpleArray = new constructor([2,4,6])
-
- testReduce("reduce", "SimpleReduceSum", 12,
- [[0, 2, 0, simpleArray, 2],
- [2, 4, 1, simpleArray, 6],
- [6, 6, 2, simpleArray, 12]],
- simpleArray, sum, 0);
-
- testReduce("reduce", "SimpleReduceProd", 48,
- [[1, 2, 0, simpleArray, 2],
- [2, 4, 1, simpleArray, 8],
- [8, 6, 2, simpleArray, 48]],
- simpleArray, prod, 1);
-
- testReduce("reduce", "SimpleReduceDec", 246,
- [[0, 2, 0, simpleArray, 200],
- [200, 4, 1, simpleArray, 240],
- [240, 6, 2, simpleArray, 246]],
- simpleArray, dec, 0);
-
- testReduce("reduce", "SimpleReduceAccumulate", [2, 4, 6],
- [[[], 2, 0, simpleArray, [2]],
- [[2], 4, 1, simpleArray, [2, 4]],
- [[2,4], 6, 2, simpleArray, [2, 4, 6]]],
- simpleArray, accumulate, []);
-
-
- testReduce("reduce", "EmptyReduceSum", 0, [], [], sum, 0);
- testReduce("reduce", "EmptyReduceProd", 1, [], [], prod, 1);
- testReduce("reduce", "EmptyReduceDec", 0, [], [], dec, 0);
- testReduce("reduce", "EmptyReduceAccumulate", [], [], [], accumulate, []);
-
- testReduce("reduce", "EmptyReduceSumNoInit", 0, [], [0], sum);
- testReduce("reduce", "EmptyReduceProdNoInit", 1, [], [1], prod);
- testReduce("reduce", "EmptyReduceDecNoInit", 0, [], [0], dec);
- testReduce("reduce", "EmptyReduceAccumulateNoInit", [], [], [[]], accumulate);
-
- // ---- Test ReduceRight
-
- testReduce("reduceRight", "SimpleReduceRightSum", 12,
- [[0, 6, 2, simpleArray, 6],
- [6, 4, 1, simpleArray, 10],
- [10, 2, 0, simpleArray, 12]],
- simpleArray, sum, 0);
-
- testReduce("reduceRight", "SimpleReduceRightProd", 48,
- [[1, 6, 2, simpleArray, 6],
- [6, 4, 1, simpleArray, 24],
- [24, 2, 0, simpleArray, 48]],
- simpleArray, prod, 1);
-
- testReduce("reduceRight", "SimpleReduceRightDec", 246,
- [[0, 6, 2, simpleArray, 6],
- [6, 4, 1, simpleArray, 46],
- [46, 2, 0, simpleArray, 246]],
- simpleArray, dec, 0);
-
-
- testReduce("reduceRight", "EmptyReduceRightSum", 0, [], [], sum, 0);
- testReduce("reduceRight", "EmptyReduceRightProd", 1, [], [], prod, 1);
- testReduce("reduceRight", "EmptyReduceRightDec", 0, [], [], dec, 0);
- testReduce("reduceRight", "EmptyReduceRightAccumulate", [],
- [], [], accumulate, []);
-
- testReduce("reduceRight", "EmptyReduceRightSumNoInit", 0, [], [0], sum);
- testReduce("reduceRight", "EmptyReduceRightProdNoInit", 1, [], [1], prod);
- testReduce("reduceRight", "EmptyReduceRightDecNoInit", 0, [], [0], dec);
- testReduce("reduceRight", "EmptyReduceRightAccumulateNoInit",
- [], [], [[]], accumulate);
-
- // Ignore non-array properties:
-
- var arrayPlus = [1,2,3];
- arrayPlus[-1] = NaN;
- arrayPlus[Math.pow(2,32)] = NaN;
- arrayPlus[NaN] = NaN;
- arrayPlus["00"] = NaN;
- arrayPlus["02"] = NaN;
- arrayPlus["-0"] = NaN;
-
- testReduce("reduce", "ArrayWithNonElementPropertiesReduce", 6,
- [[0, 1, 0, arrayPlus, 1],
- [1, 2, 1, arrayPlus, 3],
- [3, 3, 2, arrayPlus, 6],
- ], arrayPlus, sum, 0);
-
- testReduce("reduceRight", "ArrayWithNonElementPropertiesReduceRight", 6,
- [[0, 3, 2, arrayPlus, 3],
- [3, 2, 1, arrayPlus, 5],
- [5, 1, 0, arrayPlus, 6],
- ], arrayPlus, sum, 0);
-
-
- // Test error conditions:
-
- var exception = false;
- try {
- new constructor([1]).reduce("not a function");
- } catch (e) {
- exception = true;
- assertTrue(e instanceof TypeError,
- "reduce callback not a function not throwing TypeError");
- assertTrue(e.message.indexOf(" is not a function") >= 0,
- "reduce non function TypeError type");
- }
- assertTrue(exception);
-
- exception = false;
- try {
- new constructor([1]).reduceRight("not a function");
- } catch (e) {
- exception = true;
- assertTrue(e instanceof TypeError,
- "reduceRight callback not a function not throwing TypeError");
- assertTrue(e.message.indexOf(" is not a function") >= 0,
- "reduceRight non function TypeError type");
- }
- assertTrue(exception);
-
- exception = false;
- try {
- new constructor([]).reduce(sum);
- } catch (e) {
- exception = true;
- assertTrue(e instanceof TypeError,
- "reduce no initial value not throwing TypeError");
- assertEquals("Reduce of empty array with no initial value", e.message,
- "reduce no initial TypeError type");
- }
- assertTrue(exception);
-
- exception = false;
- try {
- new constructor([]).reduceRight(sum);
- } catch (e) {
- exception = true;
- assertTrue(e instanceof TypeError,
- "reduceRight no initial value not throwing TypeError");
- assertEquals("Reduce of empty array with no initial value", e.message,
- "reduceRight no initial TypeError type");
- }
- assertTrue(exception);
-
- // Reduce fails when called on non-TypedArrays
- assertThrows(function() {
- constructor.prototype.reduce.call([], function() {}, null);
- }, TypeError);
- assertThrows(function() {
- constructor.prototype.reduceRight.call([], function() {}, null);
- }, TypeError);
-
- // Shadowing length doesn't affect every, unlike Array.prototype.every
- var a = new constructor([1, 2]);
- Object.defineProperty(a, 'length', {value: 1});
- assertEquals(a.reduce(sum, 0), 3);
- assertEquals(Array.prototype.reduce.call(a, sum, 0), 1);
- assertEquals(a.reduceRight(sum, 0), 3);
- assertEquals(Array.prototype.reduceRight.call(a, sum, 0), 1);
-
- assertEquals(1, constructor.prototype.reduce.length);
- assertEquals(1, constructor.prototype.reduceRight.length);
-}
projects / platform / upstream / v8.git / commitdiff