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Diffstat (limited to 'test/built-ins/TypedArrays/ctors-bigint/butter-arg/buffer-arg-defined-length-and-offset-sab.js')
-rw-r--r-- | test/built-ins/TypedArrays/ctors-bigint/butter-arg/buffer-arg-defined-length-and-offset-sab.js | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/test/built-ins/TypedArrays/ctors-bigint/butter-arg/buffer-arg-defined-length-and-offset-sab.js b/test/built-ins/TypedArrays/ctors-bigint/butter-arg/buffer-arg-defined-length-and-offset-sab.js new file mode 100644 index 000000000..2107146b1 --- /dev/null +++ b/test/built-ins/TypedArrays/ctors-bigint/butter-arg/buffer-arg-defined-length-and-offset-sab.js @@ -0,0 +1,33 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// Copyright (C) 2017 Mozilla Corporation. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-typedarray-buffer-byteoffset-length +description: > + Return new typedArray from defined length and offset +info: | + 22.2.4.5 TypedArray ( buffer [ , byteOffset [ , length ] ] ) + + 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 an [[ArrayBufferData]] internal slot. +includes: [testTypedArray.js] +features: [SharedArrayBuffer, TypedArray] +---*/ + +testWithTypedArrayConstructors(function(TA) { + var offset = TA.BYTES_PER_ELEMENT; + var buffer = new SharedArrayBuffer(3 * offset); + + var ta1 = new TA(buffer, offset, 2); + assert.sameValue(ta1.length, 2, "ta1.length"); + assert.sameValue(ta1.buffer, buffer, "ta1.buffer"); + assert.sameValue(ta1.constructor, TA); + assert.sameValue(Object.getPrototypeOf(ta1), TA.prototype); + + var ta2 = new TA(buffer, offset, 0); + assert.sameValue(ta2.length, 0, "ta2.length"); + assert.sameValue(ta2.buffer, buffer, "ta2.buffer"); + assert.sameValue(ta2.constructor, TA); + assert.sameValue(Object.getPrototypeOf(ta2), TA.prototype); +}); |