| // Copyright (C) 2015 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| description: > |
| Spares arrays are only equivalent if they have the same length. |
| includes: [compareArray.js] |
| ---*/ |
| |
| |
| assert.compareArray([,], [,], 'Sparse arrays of the same length are equivalent.'); |
| assert.throws(Test262Error, () => { |
| assert.compareArray([,], [,,]); |
| }, 'Sparse arrays of differing lengths are not equivalent.'); |
| assert.throws(Test262Error, () => { |
| assert.compareArray([,,], [,]); |
| }, 'Sparse arrays of differing lengths are not equivalent.'); |
| assert.throws(Test262Error, () => { |
| assert.compareArray([,], []); |
| }, 'Sparse arrays are not equivalent to empty arrays.'); |
| assert.throws(Test262Error, () => { |
| assert.compareArray([], [,]); |
| }, 'Sparse arrays are not equivalent to empty arrays.'); |