| // Copyright (C) 2015 André Bargull. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| es6id: 12.9.3 |
| description: > |
| "prototype" property is not retrieved when left-hand side expression in `instanceof` is primitive. |
| info: | |
| 12.9.3 Runtime Semantics: Evaluation |
| RelationalExpression : RelationalExpression instanceof ShiftExpression |
| ... |
| 7. Return InstanceofOperator(lval, rval). |
| |
| 12.9.4 Runtime Semantics: InstanceofOperator(O, C) |
| ... |
| 6. Return OrdinaryHasInstance(C, O). |
| |
| 7.3.19 OrdinaryHasInstance |
| ... |
| 3. If Type(O) is not Object, return false. |
| ... |
| ---*/ |
| |
| // The "prototype" property for constructor functions is a non-configurable data-property, |
| // therefore we need to use a non-constructor function to install the getter. |
| Object.defineProperty(Function.prototype, "prototype", { |
| get: function() { |
| throw new Test262Error("getter for 'prototype' called"); |
| } |
| }); |
| |
| var result = 0 instanceof Function.prototype; |
| |
| assert.sameValue(result, false); |
