// 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.copywithin description: > Max value of end position is the this.length. info: | 22.2.3.5 %TypedArray%.prototype.copyWithin (target, start [ , end ] ) %TypedArray%.prototype.copyWithin is a distinct function that implements the same algorithm as Array.prototype.copyWithin as defined in 22.1.3.3 except that the this object's [[ArrayLength]] internal slot is accessed in place of performing a [[Get]] of "length" and the actual copying of values in step 12 must be performed in a manner that preserves the bit-level encoding of the source data. ... includes: [compareArray.js, testTypedArray.js] features: [TypedArray] ---*/ testWithTypedArrayConstructors(function(TA) { assert( compareArray( new TA([0, 1, 2, 3]).copyWithin(0, 1, 6), [1, 2, 3, 3] ), '[0, 1, 2, 3].copyWithin(0, 1, 6) -> [1, 2, 3, 3]' ); assert( compareArray( new TA([1, 2, 3, 4, 5]).copyWithin(0, 1, Infinity), [2, 3, 4, 5, 5] ), '[1, 2, 3, 4, 5].copyWithin(0, 1, Infinity) -> [2, 3, 4, 5, 5]' ); assert( compareArray( new TA([0, 1, 2, 3, 4, 5]).copyWithin(1, 3, 6), [0, 3, 4, 5, 4, 5] ), '[0, 1, 2, 3, 4, 5].copyWithin(1, 3, 6) -> [0, 3, 4, 5, 4, 5]' ); assert( compareArray( new TA([1, 2, 3, 4, 5]).copyWithin(1, 3, Infinity), [1, 4, 5, 4, 5] ), '[1, 2, 3, 4, 5].copyWithin(1, 3, Infinity) -> [1, 4, 5, 4, 5]' ); }); reportCompare(0, 0);