| // 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.subarray |
| description: -0 values on begin and end |
| info: | |
| 22.2.3.27 %TypedArray%.prototype.subarray( begin , end ) |
| includes: [testTypedArray.js, compareArray.js] |
| features: [TypedArray] |
| ---*/ |
| |
| testWithTypedArrayConstructors(function(TA) { |
| var sample = new TA([40, 41, 42, 43]); |
| |
| assert( |
| compareArray(sample.subarray(-0), [40, 41, 42, 43]), |
| "begin == -0" |
| ); |
| assert( |
| compareArray(sample.subarray(-0, 4), [40, 41, 42, 43]), |
| "being == -0, end == length" |
| ); |
| assert( |
| compareArray(sample.subarray(0, -0), []), |
| "being == 0, end == -0" |
| ); |
| assert( |
| compareArray(sample.subarray(-0, -0), []), |
| "being == -0, end == -0" |
| ); |
| }); |