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Add tests for zero conversion on Array#indexOf and Array#lastIndexOf 

Fixes #435
This commit is contained in:
Leonardo Balter 2016-02-05 11:28:03 -02:00
parent fbad34959f
commit 26785d40ca
2 changed files with 32 additions and 0 deletions
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16
test/built-ins/Array/prototype/indexOf/fromindex-zero-conversion.js vendored Normal file
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// Copyright 2016 The V8 project authors. All rights reserved.
// This code is governed by the license found in the LICENSE file.
/*---
id: sec-array.prototype.indexof
description: >
Return +0 when fromIndex is -0 and return index refers to the first position
info: >
22.1.3.12 Array.prototype.indexOf ( searchElement [ , fromIndex ] )
...
6. If n ≥ 0, then
a. If n is -0, let k be +0; else let k be n.
...
---*/
assert.sameValue(1 / [true].indexOf(true, -0), +Infinity)

16
test/built-ins/Array/prototype/lastIndexOf/fromindex-zero-conversion.js vendored Normal file
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// Copyright 2016 The V8 project authors. All rights reserved.
// This code is governed by the license found in the LICENSE file.
/*---
id: sec-array.prototype.lastindexof
description: >
Return +0 when fromIndex is -0 and return index refers to the first position
info: >
22.1.3.15 Array.prototype.lastIndexOf ( searchElement [ , fromIndex ] )
...
5. If n ≥ 0, then
a. If n is -0, let k be +0; else let k be min(n, len - 1).
...
---*/
assert.sameValue(1 / [true].lastIndexOf(true, -0), +Infinity);