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Diffstat (limited to 'js/src/tests/test262/built-ins/TypedArray/prototype/reduceRight/values-are-not-cached.js')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/reduceRight/values-are-not-cached.js | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/reduceRight/values-are-not-cached.js b/js/src/tests/test262/built-ins/TypedArray/prototype/reduceRight/values-are-not-cached.js new file mode 100644 index 0000000000..55afeef5d1 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/reduceRight/values-are-not-cached.js @@ -0,0 +1,44 @@ +// 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.reduceright +description: > + Integer indexed values are not cached before iteration +info: | + 22.2.3.21 %TypedArray%.prototype.reduceRight ( callbackfn [ , initialValue ] ) + + %TypedArray%.prototype.reduceRight is a distinct function that implements the + same algorithm as Array.prototype.reduceRight as defined in 22.1.3.20 except + that the this object's [[ArrayLength]] internal slot is accessed in place of + performing a [[Get]] of "length". + + 22.1.3.20 Array.prototype.reduceRight ( callbackfn [ , initialValue ] ) + + ... + 8. Repeat, while k ≥ 0 + ... + c. If kPresent is true, then + i. Let kValue be ? Get(O, Pk). + ii. Let accumulator be ? Call(callbackfn, undefined, « accumulator, + kValue, k, O »). + d. Decrease k by 1. + ... +includes: [testTypedArray.js] +features: [TypedArray] +---*/ + +testWithTypedArrayConstructors(function(TA) { + var sample = new TA([44, 43, 42]); + + sample.reduceRight(function(a, v, i) { + if (i > 0) { + sample[i-1] = 42; + } + + assert.sameValue( + v, 42, "method does not cache values before callbackfn calls" + ); + }, 0); +}); + +reportCompare(0, 0); |