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Diffstat (limited to 'js/src/tests/test262/built-ins/TypedArray/prototype/slice/BigInt/detached-buffer-get-ctor.js')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/slice/BigInt/detached-buffer-get-ctor.js | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/slice/BigInt/detached-buffer-get-ctor.js b/js/src/tests/test262/built-ins/TypedArray/prototype/slice/BigInt/detached-buffer-get-ctor.js new file mode 100644 index 0000000000..91ae52dbe1 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/slice/BigInt/detached-buffer-get-ctor.js @@ -0,0 +1,52 @@ +// 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: > + Throws a TypeError if _O_.[[ViewedArrayBuffer]] is detached during Get custom constructor. +info: | + %TypedArray%.prototype.slice ( start, end ) + + Let A be ? TypedArraySpeciesCreate(O, « count »). + + TypedArraySpeciesCreate ( exemplar, argumentList ) + + Let result be ? TypedArrayCreate(constructor, argumentList). + + TypedArrayCreate ( constructor, argumentList ) + + Let newTypedArray be ? Construct(constructor, argumentList). + Perform ? ValidateTypedArray(newTypedArray). + + ValidateTypedArray ( O ) + The abstract operation ValidateTypedArray takes argument O. It performs the following steps when called: + + Perform ? RequireInternalSlot(O, [[TypedArrayName]]). + Assert: O has a [[ViewedArrayBuffer]] internal slot. + Let buffer be O.[[ViewedArrayBuffer]]. + If IsDetachedBuffer(buffer) is true, throw a TypeError exception. + ... + +includes: [testBigIntTypedArray.js, detachArrayBuffer.js] +features: [align-detached-buffer-semantics-with-web-reality, BigInt, TypedArray] +---*/ + +testWithBigIntTypedArrayConstructors(function(TA) { + let counter = 0; + let sample = new TA(1); + + Object.defineProperty(sample, "constructor", { + get() { + counter++; + $DETACHBUFFER(sample.buffer); + } + }); + assert.throws(TypeError, function() { + counter++; + sample.slice(); + }, '`sample.slice()` throws TypeError'); + + assert.sameValue(counter, 2, 'The value of `counter` is 2'); +}); + +reportCompare(0, 0); |