| // 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-array.prototype.filter |
| description: Constructor is ignored for non-Array values |
| info: | |
| [...] |
| 5. Let A be ? ArraySpeciesCreate(O, 0). |
| [...] |
| |
| 9.4.2.3 ArraySpeciesCreate |
| |
| [...] |
| 3. Let isArray be ? IsArray(originalArray). |
| 4. If isArray is false, return ? ArrayCreate(length). |
| ---*/ |
| |
| var obj = { |
| length: 0 |
| }; |
| var callCount = 0; |
| var result; |
| Object.defineProperty(obj, 'constructor', { |
| get: function() { |
| callCount += 1; |
| } |
| }); |
| |
| result = Array.prototype.filter.call(obj, function() {}); |
| |
| assert.sameValue(callCount, 0, '`constructor` property not accessed'); |
| assert.sameValue(Object.getPrototypeOf(result), Array.prototype); |
| assert(Array.isArray(result), 'result is an Array exotic object'); |
| assert.sameValue(result.length, 0, 'array created with appropriate length'); |