// 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 values of target and start positions are 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, testBigIntTypedArray.js] features: [BigInt, TypedArray] ---*/ testWithBigIntTypedArrayConstructors(function(TA) { assert( compareArray( new TA([0n, 1n, 2n, 3n, 4n, 5n]).copyWithin(6, 0), [0n, 1n, 2n, 3n, 4n, 5n] ) ); assert( compareArray( new TA([1n, 2n, 3n, 4n, 5n]).copyWithin(Infinity, 0), [1n, 2n, 3n, 4n, 5n] ), '[1, 2, 3, 4, 5].copyWithin(Infinity, 0) -> [1, 2, 3, 4, 5]' ); assert( compareArray( new TA([0n, 1n, 2n, 3n, 4n, 5n]).copyWithin(0, 6), [0n, 1n, 2n, 3n, 4n, 5n] ) ); assert( compareArray( new TA([1n, 2n, 3n, 4n, 5n]).copyWithin(0, Infinity), [1n, 2n, 3n, 4n, 5n] ), '[1, 2, 3, 4, 5].copyWithin(0, Infinity) -> [1, 2, 3, 4, 5]' ); assert( compareArray( new TA([0n, 1n, 2n, 3n, 4n, 5n]).copyWithin(6, 6), [0n, 1n, 2n, 3n, 4n, 5n] ) ); assert( compareArray( new TA([0n, 1n, 2n, 3n, 4n, 5n]).copyWithin(10, 10), [0n, 1n, 2n, 3n, 4n, 5n] ) ); assert( compareArray( new TA([1n, 2n, 3n, 4n, 5n]).copyWithin(Infinity, Infinity), [1n, 2n, 3n, 4n, 5n] ), '[1, 2, 3, 4, 5].copyWithin(Infinity, Infinity) -> [1, 2, 3, 4, 5]' ); }); reportCompare(0, 0);