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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: --harmony-sloppy | |
| 6 | |
| 7 | |
| 8 class Base {} | |
| 9 | |
| 10 class DerivedWithReturn extends Base { | |
| 11 constructor(x) { | |
| 12 super(); | |
| 13 return x; | |
| 14 } | |
| 15 } | |
| 16 | |
| 17 assertThrows(function() { | |
| 18 new DerivedWithReturn(null); | |
| 19 }, TypeError); | |
| 20 assertThrows(function() { | |
| 21 new DerivedWithReturn(42); | |
| 22 }, TypeError); | |
| 23 assertThrows(function() { | |
| 24 new DerivedWithReturn(true); | |
| 25 }, TypeError); | |
| 26 assertThrows(function() { | |
| 27 new DerivedWithReturn('hi'); | |
| 28 }, TypeError); | |
| 29 assertThrows(function() { | |
| 30 new DerivedWithReturn(Symbol()); | |
| 31 }, TypeError); | |
| 32 | |
| 33 | |
| 34 assertInstanceof(new DerivedWithReturn(undefined), DerivedWithReturn); | |
| 35 function f() {} | |
| 36 assertInstanceof(new DerivedWithReturn(new f()), f); | |
| 37 assertInstanceof(new DerivedWithReturn(/re/), RegExp); | |
| 38 | |
| 39 | |
| 40 class DerivedWithReturnNoSuper extends Base { | |
| 41 constructor(x) { | |
| 42 return x; | |
| 43 } | |
| 44 } | |
| 45 | |
| 46 | |
| 47 assertThrows(function() { | |
| 48 new DerivedWithReturnNoSuper(null); | |
| 49 }, TypeError); | |
| 50 assertThrows(function() { | |
| 51 new DerivedWithReturnNoSuper(42); | |
| 52 }, TypeError); | |
| 53 assertThrows(function() { | |
| 54 new DerivedWithReturnNoSuper(true); | |
| 55 }, TypeError); | |
| 56 assertThrows(function() { | |
| 57 new DerivedWithReturnNoSuper('hi'); | |
| 58 }, TypeError); | |
| 59 assertThrows(function() { | |
| 60 new DerivedWithReturnNoSuper(Symbol()); | |
| 61 }, TypeError); | |
| 62 assertThrows(function() { | |
| 63 new DerivedWithReturnNoSuper(undefined); | |
| 64 }, ReferenceError); | |
| 65 | |
| 66 | |
| 67 function f2() {} | |
| 68 assertInstanceof(new DerivedWithReturnNoSuper(new f2()), f2); | |
| 69 assertInstanceof(new DerivedWithReturnNoSuper(/re/), RegExp); | |
| 70 | |
| 71 | |
| 72 class DerivedReturn extends Base { | |
| 73 constructor() { | |
| 74 super(); | |
| 75 return; | |
| 76 } | |
| 77 } | |
| 78 | |
| 79 assertInstanceof(new DerivedReturn(), DerivedReturn); | |
| 80 | |
| 81 | |
| 82 | |
| 83 class DerivedReturnThis extends Base { | |
| 84 constructor() { | |
| 85 super(); | |
| 86 return this; | |
| 87 } | |
| 88 } | |
| 89 | |
| 90 assertInstanceof(new DerivedReturnThis(), DerivedReturnThis); | |
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