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 assertEquals(1, Array.prototype.fill.length); 6 7 assertArrayEquals([].fill(8), []); 8 assertArrayEquals([0, 0, 0, 0, 0].fill(), [undefined, undefined, undefined, undefined, undefined]); 9 assertArrayEquals([0, 0, 0, 0, 0].fill(8), [8, 8, 8, 8, 8]); 10 assertArrayEquals([0, 0, 0, 0, 0].fill(8, 1), [0, 8, 8, 8, 8]); 11 assertArrayEquals([0, 0, 0, 0, 0].fill(8, 10), [0, 0, 0, 0, 0]); 12 assertArrayEquals([0, 0, 0, 0, 0].fill(8, -5), [8, 8, 8, 8, 8]); 13 assertArrayEquals([0, 0, 0, 0, 0].fill(8, 1, 4), [0, 8, 8, 8, 0]); 14 assertArrayEquals([0, 0, 0, 0, 0].fill(8, 1, -1), [0, 8, 8, 8, 0]); 15 assertArrayEquals([0, 0, 0, 0, 0].fill(8, 1, 42), [0, 8, 8, 8, 8]); 16 assertArrayEquals([0, 0, 0, 0, 0].fill(8, -3, 42), [0, 0, 8, 8, 8]); 17 assertArrayEquals([0, 0, 0, 0, 0].fill(8, -3, 4), [0, 0, 8, 8, 0]); 18 assertArrayEquals([0, 0, 0, 0, 0].fill(8, -2, -1), [0, 0, 0, 8, 0]); 19 assertArrayEquals([0, 0, 0, 0, 0].fill(8, -1, -3), [0, 0, 0, 0, 0]); 20 assertArrayEquals([0, 0, 0, 0, 0].fill(8, undefined, 4), [8, 8, 8, 8, 0]); 21 assertArrayEquals([ , , , , 0].fill(8, 1, 3), [, 8, 8, , 0]); 22 23 // If the range is empty, the array is not actually modified and 24 // should not throw, even when applied to a frozen object. 25 assertArrayEquals(Object.freeze([1, 2, 3]).fill(0, 0, 0), [1, 2, 3]); 26 27 // Test exceptions 28 assertThrows('Object.freeze([0]).fill()', TypeError); 29 assertThrows('Array.prototype.fill.call(null)', TypeError); 30 assertThrows('Array.prototype.fill.call(undefined)', TypeError); 31
