// 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); });