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| 1 // Copyright 2015 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 // Flags: --allow-natives-syntax |
| 6 |
| 7 function receiver() { |
| 8 return this; |
| 9 } |
| 10 |
| 11 function construct(f) { |
| 12 "use strict"; |
| 13 class B {} |
| 14 class C extends B { |
| 15 bar() { return super.foo() } |
| 16 } |
| 17 B.prototype.foo = f; |
| 18 return new C(); |
| 19 } |
| 20 |
| 21 function check(x, value, type) { |
| 22 assertEquals("object", typeof x); |
| 23 assertInstanceof(x, type); |
| 24 assertEquals(value, x); |
| 25 } |
| 26 |
| 27 var o = construct(receiver); |
| 28 check(o.bar.call(123), Object(123), Number); |
| 29 check(o.bar.call("a"), Object("a"), String); |
| 30 // TODO(4526): Should convert to global receiver instead of throwing TypeError. |
| 31 // check(o.bar.call(undefined), this, Object); |
| 32 // check(o.bar.call(null), this, Object); |
| 33 |
| 34 %OptimizeFunctionOnNextCall(o.bar); |
| 35 check(o.bar.call(456), Object(456), Number); |
| 36 check(o.bar.call("b"), Object("b"), String); |
| 37 // TODO(4526): Should convert to global receiver instead of throwing TypeError. |
| 38 // check(o.bar.call(undefined), this, Object); |
| 39 // check(o.bar.call(null), this, Object); |
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