| // Copyright (C) 2019 Alexey Shvayka. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| esid: prod-ClassExpression |
| description: > |
| ClassExpression should directly set [[Prototype]] internal slot. |
| info: | |
| ClassDefinitionEvaluation |
| |
| [...] |
| 7. Let proto be ObjectCreate(protoParent). |
| |
| ObjectCreate ( proto [ , internalSlotsList ] ) |
| |
| [...] |
| 4. Set obj.[[Prototype]] to proto. |
| features: [class] |
| ---*/ |
| |
| Object.defineProperty(Object.prototype, '__proto__', { |
| set: function() { |
| throw new Test262Error('should not be called'); |
| }, |
| }); |
| |
| var A = class extends Array {}; |
| |
| assert.sameValue(new A(1).length, 1); |
