1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
{
assertEq(f(), 4);
function f() { return 3; }
assertEq(f(), 4);
function f() { return 4; }
assertEq(f(), 4);
}
// Annex B still works.
assertEq(f(), 4);
// The same thing with labels.
{
assertEq(f(), 4);
function f() { return 3; }
assertEq(f(), 4);
l: function f() { return 4; }
assertEq(f(), 4);
}
// Annex B still works.
assertEq(f(), 4);
function test() {
{
assertEq(f(), 2);
function f() { return 1; }
assertEq(f(), 2);
function f() { return 2; }
assertEq(f(), 2);
}
// Annex B still works.
assertEq(f(), 2);
}
test();
var log = '';
try {
// Strict mode still cannot redeclare.
eval(`"use strict";
{
function f() { }
function f() { }
}`);
} catch (e) {
assertEq(e instanceof SyntaxError, true);
log += 'e';
}
try {
// Redeclaring an explicitly 'let'-declared binding doesn't work.
eval(`{
let x = 42;
function x() {}
}`);
} catch (e) {
assertEq(e instanceof SyntaxError, true);
log += 'e';
}
try {
// Redeclaring an explicitly 'const'-declared binding doesn't work.
eval(`{
const x = 42;
function x() {}
}`);
} catch (e) {
assertEq(e instanceof SyntaxError, true);
log += 'e';
}
assertEq(log, 'eee');
if ('reportCompare' in this)
reportCompare(true, true);
|
