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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArrayConstructors/ctors/buffer-arg/returns-new-instance.js | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArrayConstructors/ctors/buffer-arg/returns-new-instance.js b/js/src/tests/test262/built-ins/TypedArrayConstructors/ctors/buffer-arg/returns-new-instance.js new file mode 100644 index 0000000000..46bb08e0ec --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArrayConstructors/ctors/buffer-arg/returns-new-instance.js @@ -0,0 +1,35 @@ +// 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-buffer-byteoffset-length +description: > + Return new typedArray from undefined offset and length +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: [TypedArray] +---*/ + +testWithTypedArrayConstructors(function(TA) { + var bpe = TA.BYTES_PER_ELEMENT; + + var buffer1 = new ArrayBuffer(bpe * 4); + var ta1 = new TA(buffer1); + assert.sameValue(ta1.length, 4); + assert.sameValue(ta1.buffer, buffer1); + assert.sameValue(ta1.constructor, TA); + assert.sameValue(Object.getPrototypeOf(ta1), TA.prototype); + + var buffer2 = new ArrayBuffer(0); + var ta2 = new TA(buffer2); + assert.sameValue(ta2.length, 0); + assert.sameValue(ta2.buffer, buffer2); + assert.sameValue(ta2.constructor, TA); + assert.sameValue(Object.getPrototypeOf(ta2), TA.prototype); +}); + +reportCompare(0, 0); |