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Diffstat (limited to 'js/src/tests/test262/built-ins/TypedArray/prototype/slice/set-values-from-different-ctor-type.js')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/slice/set-values-from-different-ctor-type.js | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/slice/set-values-from-different-ctor-type.js b/js/src/tests/test262/built-ins/TypedArray/prototype/slice/set-values-from-different-ctor-type.js new file mode 100644 index 0000000000..f9ad9584bd --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/slice/set-values-from-different-ctor-type.js @@ -0,0 +1,49 @@ +// 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.slice +description: > + Perform regular set if target's uses a different element type +info: | + 22.2.3.24 %TypedArray%.prototype.slice ( start, end ) + + ... + 9. Let A be ? TypedArraySpeciesCreate(O, « count »). + 10. Let srcName be the String value of O's [[TypedArrayName]] internal slot. + 11. Let srcType be the String value of the Element Type value in Table 50 for + srcName. + 12. Let targetName be the String value of A's [[TypedArrayName]] internal + slot. + 13. Let targetType be the String value of the Element Type value in Table 50 + for targetName. + 14. If SameValue(srcType, targetType) is false, then + a. Let n be 0. + b. Repeat, while k < final + i. Let Pk be ! ToString(k). + ii. Let kValue be ? Get(O, Pk). + iii. Perform ? Set(A, ! ToString(n), kValue, true). + iv. Increase k by 1. + v. Increase n by 1. + ... + 16. Return A +includes: [testTypedArray.js, compareArray.js] +features: [Symbol.species, TypedArray] +---*/ + +var arr = [42, 43, 44]; + +testWithTypedArrayConstructors(function(TA) { + var sample = new TA(arr); + var other = TA === Int8Array ? Uint8Array : Int8Array; + + sample.constructor = {}; + sample.constructor[Symbol.species] = other; + + var result = sample.slice(); + + assert(compareArray(result, arr), "values are set"); + assert.notSameValue(result.buffer, sample.buffer, "creates a new buffer"); + assert.sameValue(result.constructor, other, "used the custom ctor"); +}); + +reportCompare(0, 0); |