// Copyright (C) 2015 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-array.prototype.copywithin description: > Set values with negative end argument. info: | 22.1.3.3 Array.prototype.copyWithin (target, start [ , end ] ) ... 11. If end is undefined, let relativeEnd be len; else let relativeEnd be ToInteger(end). 12. ReturnIfAbrupt(relativeEnd). 13. If relativeEnd < 0, let final be max((len + relativeEnd),0); else let final be min(relativeEnd, len). ... includes: [compareArray.js] ---*/ assert.compareArray( [0, 1, 2, 3].copyWithin(0, 1, -1), [1, 2, 2, 3], '[0, 1, 2, 3].copyWithin(0, 1, -1) must return [1, 2, 2, 3]' ); assert.compareArray( [0, 1, 2, 3, 4].copyWithin(2, 0, -1), [0, 1, 0, 1, 2], '[0, 1, 2, 3, 4].copyWithin(2, 0, -1) must return [0, 1, 0, 1, 2]' ); assert.compareArray( [0, 1, 2, 3, 4].copyWithin(1, 2, -2), [0, 2, 2, 3, 4], '[0, 1, 2, 3, 4].copyWithin(1, 2, -2) must return [0, 2, 2, 3, 4]' ); assert.compareArray( [0, 1, 2, 3].copyWithin(0, -2, -1), [2, 1, 2, 3], '[0, 1, 2, 3].copyWithin(0, -2, -1) must return [2, 1, 2, 3]' ); assert.compareArray( [0, 1, 2, 3, 4].copyWithin(2, -2, -1), [0, 1, 3, 3, 4], '[0, 1, 2, 3, 4].copyWithin(2, -2, -1) must return [0, 1, 3, 3, 4]' ); assert.compareArray( [0, 1, 2, 3].copyWithin(-3, -2, -1), [0, 2, 2, 3], '[0, 1, 2, 3].copyWithin(-3, -2, -1) must return [0, 2, 2, 3]' ); assert.compareArray( [0, 1, 2, 3, 4].copyWithin(-2, -3, -1), [0, 1, 2, 2, 3], '[0, 1, 2, 3, 4].copyWithin(-2, -3, -1) must return [0, 1, 2, 2, 3]' ); assert.compareArray( [0, 1, 2, 3, 4].copyWithin(-5, -2, -1), [3, 1, 2, 3, 4], '[0, 1, 2, 3, 4].copyWithin(-5, -2, -1) must return [3, 1, 2, 3, 4]' ); reportCompare(0, 0);