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