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Diffstat (limited to 'test/built-ins/TypedArrays/ctors/typedarray-arg/typedarray-arg-same-ctor-buffer-ctor-value-not-obj-throws.js')
-rw-r--r-- | test/built-ins/TypedArrays/ctors/typedarray-arg/typedarray-arg-same-ctor-buffer-ctor-value-not-obj-throws.js | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/test/built-ins/TypedArrays/ctors/typedarray-arg/typedarray-arg-same-ctor-buffer-ctor-value-not-obj-throws.js b/test/built-ins/TypedArrays/ctors/typedarray-arg/typedarray-arg-same-ctor-buffer-ctor-value-not-obj-throws.js new file mode 100644 index 000000000..ef9709749 --- /dev/null +++ b/test/built-ins/TypedArrays/ctors/typedarray-arg/typedarray-arg-same-ctor-buffer-ctor-value-not-obj-throws.js @@ -0,0 +1,65 @@ +// 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-typedarray +description: > + Return abrupt completion from typedArray argument's buffer.constructor's value +info: | + 22.2.4.3 TypedArray ( typedArray ) + + This description applies only if the TypedArray function is called with at + least one argument and the Type of the first argument is Object and that + object has a [[TypedArrayName]] internal slot. + + ... + 17. If SameValue(elementType, srcType) is true, then + a. Let data be ? CloneArrayBuffer(srcData, srcByteOffset). + ... + + 24.1.1.4 CloneArrayBuffer ( srcBuffer, srcByteOffset [ , cloneConstructor ] ) + + ... + 2. If cloneConstructor is not present, then + a. Let cloneConstructor be ? SpeciesConstructor(srcBuffer, %ArrayBuffer%). + ... + + 7.3.20 SpeciesConstructor ( O, defaultConstructor ) + + ... + 2. Let C be ? Get(O, "constructor"). + ... + 4. If Type(C) is not Object, throw a TypeError exception. + ... +includes: [testTypedArray.js] +features: [Symbol, TypedArray] +---*/ + +testWithTypedArrayConstructors(function(TA) { + var sample = new TA(); + + sample.buffer.constructor = 1; + assert.throws(TypeError, function() { + new TA(sample); + }); + + sample.buffer.constructor = true; + assert.throws(TypeError, function() { + new TA(sample); + }); + + sample.buffer.constructor = ''; + assert.throws(TypeError, function() { + new TA(sample); + }); + + sample.buffer.constructor = null; + assert.throws(TypeError, function() { + new TA(sample); + }); + + var s = Symbol('1'); + sample.buffer.constructor = s; + assert.throws(TypeError, function() { + new TA(sample); + }); +}); |