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Side by Side Diff: test/mjsunit/strong/class-extend-null.js

Issue 1235883002: [strong] Strong classes can't extend null (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: cl feedback Created 5 years, 5 months ago
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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: --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 })();
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