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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 // Test for conflicting variable bindings. | |
6 | |
7 // Flags: --harmony-sloppy --harmony-sloppy-function | |
8 | |
9 function AssertEqualsStrictAndSloppy(value, code) { | |
10 assertEquals(value, eval("(function() {" + code + "})()")); | |
11 assertEquals(value, eval("(function() { 'use strict'; " + code + "})()")); | |
12 assertEquals(value, eval("(function() { var x = 0; {" + code + "} })()")); | |
13 assertEquals(value, eval("(function() { 'use strict'; var x = 0; {" | |
14 + code + "} })()")); | |
15 } | |
16 | |
17 function AssertThrowsStrictAndSloppy(code, error) { | |
18 assertThrows("(function() {" + code + "})()", error); | |
19 assertThrows("(function() { 'use strict'; " + code + "})()", error); | |
20 assertThrows("(function() { var x = 0; { " + code + "} })()", error); | |
21 assertThrows("(function() { 'use strict'; var x = 0; {" + code + "} })()", | |
22 error); | |
23 } | |
24 | |
25 (function TestClassTDZ() { | |
26 AssertEqualsStrictAndSloppy( | |
27 "x", "function f() { return x; }; class x { }; return f().name;"); | |
28 AssertEqualsStrictAndSloppy | |
29 ("x", "class x { }; function f() { return x; }; return f().name;"); | |
30 AssertEqualsStrictAndSloppy( | |
31 "x", "class x { }; var result = f().name; " + | |
32 "function f() { return x; }; return result;"); | |
33 AssertThrowsStrictAndSloppy( | |
34 "function f() { return x; }; f(); class x { };", ReferenceError); | |
35 AssertThrowsStrictAndSloppy( | |
36 "f(); function f() { return x; }; class x { };", ReferenceError); | |
37 AssertThrowsStrictAndSloppy( | |
38 "f(); class x { }; function f() { return x; };", ReferenceError); | |
39 AssertThrowsStrictAndSloppy( | |
40 "var x = 1; { f(); class x { }; function f() { return x; }; }", | |
41 ReferenceError); | |
42 AssertThrowsStrictAndSloppy("x = 3; class x { };", ReferenceError) | |
43 })(); | |
44 | |
45 (function TestClassNameConflict() { | |
46 AssertThrowsStrictAndSloppy("class x { }; var x;", SyntaxError); | |
47 AssertThrowsStrictAndSloppy("var x; class x { };", SyntaxError); | |
48 AssertThrowsStrictAndSloppy("class x { }; function x() { };", SyntaxError); | |
49 AssertThrowsStrictAndSloppy("function x() { }; class x { };", SyntaxError); | |
50 AssertThrowsStrictAndSloppy("class x { }; for (var x = 0; false;) { };", | |
51 SyntaxError); | |
52 AssertThrowsStrictAndSloppy("for (var x = 0; false;) { }; class x { };", | |
53 SyntaxError); | |
54 })(); | |
55 | |
56 (function TestClassMutableBinding() { | |
57 AssertEqualsStrictAndSloppy( | |
58 "x3", "class x { }; var y = x.name; x = 3; return y + x;") | |
59 })(); | |
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