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Diffstat (limited to 'js/src/tests/test262/built-ins/TypedArray/prototype/lastIndexOf/strict-comparison.js')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/lastIndexOf/strict-comparison.js | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/lastIndexOf/strict-comparison.js b/js/src/tests/test262/built-ins/TypedArray/prototype/lastIndexOf/strict-comparison.js new file mode 100644 index 0000000000..09c3da772d --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/lastIndexOf/strict-comparison.js @@ -0,0 +1,43 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-%typedarray%.prototype.lastindexof +description: search element is compared using strict comparing (===) +info: | + 22.2.3.17 %TypedArray%.prototype.lastIndexOf ( searchElement [ , fromIndex ] ) + + %TypedArray%.prototype.lastIndexOf is a distinct function that implements the + same algorithm as Array.prototype.lastIndexOf as defined in 22.1.3.15 except + that the this object's [[ArrayLength]] internal slot is accessed in place of + performing a [[Get]] of "length". + + 22.1.3.15 Array.prototype.lastIndexOf ( searchElement [ , fromIndex ] ) + + ... + 7. Repeat, while k ≥ 0 + ... + b. If kPresent is true, then + i. Let elementK be ? Get(O, ! ToString(k)). + ii. Let same be the result of performing Strict Equality Comparison + searchElement === elementK. + iii. If same is true, return k. + ... +includes: [testTypedArray.js] +features: [TypedArray] +---*/ + +testWithTypedArrayConstructors(function(TA) { + var sample = new TA([42, undefined, NaN, 0, 1]); + assert.sameValue(sample.lastIndexOf("42"), -1, "'42'"); + assert.sameValue(sample.lastIndexOf([42]), -1, "[42]"); + assert.sameValue(sample.lastIndexOf(42.0), 0, "42.0"); + assert.sameValue(sample.lastIndexOf(-0), 3, "-0"); + assert.sameValue(sample.lastIndexOf(true), -1, "true"); + assert.sameValue(sample.lastIndexOf(false), -1, "false"); + assert.sameValue(sample.lastIndexOf(NaN), -1, "NaN === NaN is false"); + assert.sameValue(sample.lastIndexOf(null), -1, "null"); + assert.sameValue(sample.lastIndexOf(undefined), -1, "undefined"); + assert.sameValue(sample.lastIndexOf(""), -1, "empty string"); +}); + +reportCompare(0, 0); |