v8/test/mjsunit/es6/array-length.js
adamk 8a4a5bf9e0 Remove flags for ES2015 features shipped in M48
This removes --harmony-completion, --harmony-concat-spreadable, and
--harmony-tolength and moves the appropriate tests from harmony/ to es6/.

Review URL: https://codereview.chromium.org/1667453002

Cr-Commit-Position: refs/heads/master@{#33712}
2016-02-03 20:51:46 +00:00

201 lines
5.1 KiB
JavaScript

// 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.
// Test array functions do not cause infinite loops when length is negative,
// max_value, etc.
// ArrayToString
var o = { length: Number.MIN_VALUE };
var result = Array.prototype.toString.call(o);
assertEquals("[object Object]", result);
// ArrayToLocaleString
var o = { length: Number.MIN_VALUE };
var result = Array.prototype.toLocaleString.call(o);
assertEquals("", result);
// ArrayJoin
var o = { length: Number.MIN_VALUE };
var result = Array.prototype.join.call(o);
assertEquals(0, result.length);
// ArrayPush
var o = { length: Number.MIN_VALUE };
Array.prototype.push.call(o, 1);
assertEquals(1, o.length);
assertEquals(1, o[0]);
var o = { length: Number.MAX_VALUE };
assertThrows(() => Array.prototype.push.call(o, 1), TypeError);
// ArrayPop
var o = { length: 0 };
Array.prototype.pop.call(o);
assertEquals(0, o.length);
var o = { length: Number.MIN_VALUE };
Array.prototype.pop.call(o);
assertEquals(0, o.length);
var o = { length: Number.MAX_VALUE };
Array.prototype.pop.call(o);
assertEquals(o.length, Number.MAX_SAFE_INTEGER - 1);
// ArrayReverse
var o = { 0: 'foo', length: Number.MIN_VALUE }
var result = Array.prototype.reverse.call(o);
assertEquals('object', typeof(result));
assertEquals(Number.MIN_VALUE, result.length);
assertEquals(Number.MIN_VALUE, o.length);
// ArrayShift
var o = { 0: "foo", length: Number.MIN_VALUE }
var result = Array.prototype.shift.call(o);
assertEquals(undefined, result);
assertEquals(0, o.length);
// ArrayUnshift
var o = { length: 0 };
Array.prototype.unshift.call(o);
assertEquals(0, o.length);
var o = { length: 0 };
Array.prototype.unshift.call(o, 'foo');
assertEquals('foo', o[0]);
assertEquals(1, o.length);
var o = { length: Number.MIN_VALUE };
Array.prototype.unshift.call(o);
assertEquals(0, o.length);
var o = { length: Number.MIN_VALUE };
Array.prototype.unshift.call(o, 'foo');
assertEquals('foo', o[0]);
assertEquals(1, o.length);
// ArraySplice
var o = { length: Number.MIN_VALUE };
Array.prototype.splice.call(o);
assertEquals(0, o.length);
var o = { length: Number.MIN_VALUE };
Array.prototype.splice.call(o, 0, 10, ['foo']);
assertEquals(['foo'], o[0]);
assertEquals(1, o.length);
var o = { length: Number.MIN_VALUE };
Array.prototype.splice.call(o, -1);
assertEquals(0, o.length);
var o = { length: Number.MAX_SAFE_INTEGER };
Array.prototype.splice.call(o, -1);
assertEquals(Number.MAX_SAFE_INTEGER - 1, o.length);
// ArraySlice
var o = { length: Number.MIN_VALUE };
var result = Array.prototype.slice.call(o);
assertEquals(0, result.length);
var o = { length: Number.MIN_VALUE };
var result = Array.prototype.slice.call(o, Number.MAX_VALUE);
assertEquals(0, result.length);
var o = { length: Number.MAX_VALUE };
var result = Array.prototype.slice.call(o, Number.MAX_VALUE - 1);
assertEquals(0, result.length);
// ArrayIndexOf
var o = { length: Number.MIN_VALUE };
var result = Array.prototype.indexOf.call(o);
assertEquals(-1, result);
var o = { length: Number.MAX_SAFE_INTEGER }
o[Number.MAX_SAFE_INTEGER - 1] = "foo"
var result = Array.prototype.indexOf.call(o,
"foo", Number.MAX_SAFE_INTEGER - 2);
assertEquals(Number.MAX_SAFE_INTEGER - 1, result);
var o = { length: Number.MAX_SAFE_INTEGER };
o[Number.MAX_SAFE_INTEGER - 1] = "foo";
var result = Array.prototype.indexOf.call(o, "foo", -1);
assertEquals(Number.MAX_SAFE_INTEGER - 1, result);
// ArrayLastIndexOf
var o = { length: Number.MIN_VALUE };
var result = Array.prototype.lastIndexOf.call(o);
assertEquals(-1, result);
var o = { length: Number.MAX_SAFE_INTEGER }
o[Number.MAX_SAFE_INTEGER - 1] = "foo"
var result = Array.prototype.lastIndexOf.call(o,
"foo", Number.MAX_SAFE_INTEGER);
assertEquals(Number.MAX_SAFE_INTEGER - 1, result);
var o = { length: Number.MAX_SAFE_INTEGER };
o[Number.MAX_SAFE_INTEGER - 1] = "foo";
var result = Array.prototype.lastIndexOf.call(o, "foo", -1);
assertEquals(Number.MAX_SAFE_INTEGER - 1, result);
// ArrayFilter
var func = function(v) { return v; }
var o = { length: Number.MIN_VALUE };
Array.prototype.filter.call(o, func);
assertEquals(Number.MIN_VALUE, o.length);
// ArrayForEach
var o = { length: Number.MIN_VALUE };
Array.prototype.forEach.call(o, func);
assertEquals(Number.MIN_VALUE, o.length);
// ArraySome
var o = { length: Number.MIN_VALUE };
Array.prototype.some.call(o, func);
assertEquals(Number.MIN_VALUE, o.length);
// ArrayEvery
var o = { length: Number.MIN_VALUE };
Array.prototype.every.call(o, func);
assertEquals(Number.MIN_VALUE, o.length);
// ArrayMap
var o = { length: Number.MIN_VALUE };
Array.prototype.map.call(o, func);
assertEquals(Number.MIN_VALUE, o.length);
// ArrayReduce
var o = { length: Number.MIN_VALUE };
Array.prototype.reduce.call(o, func, 0);
assertEquals(Number.MIN_VALUE, o.length);
// ArrayReduceRight
var o = { length: Number.MIN_VALUE };
Array.prototype.reduceRight.call(o, func, 0);
assertEquals(Number.MIN_VALUE, o.length);
// ArrayFill
var o = { length: Number.MIN_VALUE };
Array.prototype.fill(o, 0);
assertEquals(Number.MIN_VALUE, o.length);