1 // Copyright 2014 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Flags: --harmony-arrays 6 7 assertEquals(1, Array.prototype.fill.length); 8 9 assertArrayEquals([].fill(8), []); 10 assertArrayEquals([0, 0, 0, 0, 0].fill(), [undefined, undefined, undefined, undefined, undefined]); 11 assertArrayEquals([0, 0, 0, 0, 0].fill(8), [8, 8, 8, 8, 8]); 12 assertArrayEquals([0, 0, 0, 0, 0].fill(8, 1), [0, 8, 8, 8, 8]); 13 assertArrayEquals([0, 0, 0, 0, 0].fill(8, 10), [0, 0, 0, 0, 0]); 14 assertArrayEquals([0, 0, 0, 0, 0].fill(8, -5), [8, 8, 8, 8, 8]); 15 assertArrayEquals([0, 0, 0, 0, 0].fill(8, 1, 4), [0, 8, 8, 8, 0]); 16 assertArrayEquals([0, 0, 0, 0, 0].fill(8, 1, -1), [0, 8, 8, 8, 0]); 17 assertArrayEquals([0, 0, 0, 0, 0].fill(8, 1, 42), [0, 8, 8, 8, 8]); 18 assertArrayEquals([0, 0, 0, 0, 0].fill(8, -3, 42), [0, 0, 8, 8, 8]); 19 assertArrayEquals([0, 0, 0, 0, 0].fill(8, -3, 4), [0, 0, 8, 8, 0]); 20 assertArrayEquals([0, 0, 0, 0, 0].fill(8, -2, -1), [0, 0, 0, 8, 0]); 21 assertArrayEquals([0, 0, 0, 0, 0].fill(8, -1, -3), [0, 0, 0, 0, 0]); 22 assertArrayEquals([0, 0, 0, 0, 0].fill(8, undefined, 4), [8, 8, 8, 8, 0]); 23 assertArrayEquals([ , , , , 0].fill(8, 1, 3), [, 8, 8, , 0]); 24 25 // If the range is empty, the array is not actually modified and 26 // should not throw, even when applied to a frozen object. 27 assertArrayEquals(Object.freeze([1, 2, 3]).fill(0, 0, 0), [1, 2, 3]); 28 29 // Test exceptions 30 assertThrows('Object.freeze([0]).fill()', TypeError); 31 assertThrows('Array.prototype.fill.call(null)', TypeError); 32 assertThrows('Array.prototype.fill.call(undefined)', TypeError); 33
