| Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 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: --strong-mode --allow-natives-syntax |
| 6 | |
| 7 | (function() { |
| 8 | "use strict"; |
| 9 | |
| 10 | let foo = null; |
| 11 | |
| 12 | function nullLiteral() { |
| 13 | class Class1 extends null { |
| 14 | constructor() { |
| 15 | super(); |
| 16 | } |
| 17 | } |
| 18 | } |
| 19 | |
| 20 | function nullVariable() { |
| 21 | class Class2 extends foo { |
| 22 | constructor() { |
| 23 | super(); |
| 24 | } |
| 25 | } |
| 26 | } |
| 27 | |
| 28 | function nullLiteralClassExpr() { |
| 29 | (class extends null {}); |
| 30 | } |
| 31 | |
| 32 | function nullVariableClassExpr() { |
| 33 | (class extends foo {}); |
| 34 | } |
| 35 | |
| 36 | assertDoesNotThrow(nullLiteral); |
| 37 | %OptimizeFunctionOnNextCall(nullLiteral); |
| 38 | assertDoesNotThrow(nullLiteral); |
| 39 | |
| 40 | assertDoesNotThrow(nullVariable); |
| 41 | %OptimizeFunctionOnNextCall(nullVariable); |
| 42 | assertDoesNotThrow(nullVariable); |
| 43 | |
| 44 | assertDoesNotThrow(nullLiteralClassExpr); |
| 45 | %OptimizeFunctionOnNextCall(nullLiteralClassExpr); |
| 46 | assertDoesNotThrow(nullLiteralClassExpr); |
| 47 | |
| 48 | assertDoesNotThrow(nullVariableClassExpr); |
| 49 | %OptimizeFunctionOnNextCall(nullVariableClassExpr); |
| 50 | assertDoesNotThrow(nullVariableClassExpr); |
| 51 | })(); |
| 52 | |
| 53 | (function() { |
| 54 | "use strong"; |
| 55 | |
| 56 | let foo = null; |
| 57 | |
| 58 | function nullLiteral() { |
| 59 | class Class1 extends null { |
| 60 | constructor() { |
| 61 | super(); |
| 62 | } |
| 63 | } |
| 64 | } |
| 65 | |
| 66 | function nullVariable() { |
| 67 | class Class2 extends foo { |
| 68 | constructor() { |
| 69 | super(); |
| 70 | } |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | function nullLiteralClassExpr() { |
| 75 | (class extends null {}); |
| 76 | } |
| 77 | |
| 78 | function nullVariableClassExpr() { |
| 79 | (class extends foo {}); |
| 80 | } |
| 81 | |
| 82 | assertThrows(nullLiteral, TypeError); |
| 83 | %OptimizeFunctionOnNextCall(nullLiteral); |
| 84 | assertThrows(nullLiteral, TypeError); |
| 85 | |
| 86 | assertThrows(nullVariable, TypeError); |
| 87 | %OptimizeFunctionOnNextCall(nullVariable); |
| 88 | assertThrows(nullVariable, TypeError); |
| 89 | |
| 90 | assertThrows(nullLiteralClassExpr, TypeError); |
| 91 | %OptimizeFunctionOnNextCall(nullLiteralClassExpr); |
| 92 | assertThrows(nullLiteralClassExpr, TypeError); |
| 93 | |
| 94 | assertThrows(nullVariableClassExpr, TypeError); |
| 95 | %OptimizeFunctionOnNextCall(nullVariableClassExpr); |
| 96 | assertThrows(nullVariableClassExpr, TypeError); |
| 97 | })(); |