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
|
// Copyright (C) 2013 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 25.3.1.4
description: >
When a generator is paused within a `finally` block of a `try..catch`
statement, `throw` should interrupt control flow as if a `throw` statement
had appeared at that location in the function body.
features: [generators]
---*/
var unreachable = 0;
function* g() {
try {
yield 1;
throw new Error();
try {
yield 2;
} catch (e) {
yield e;
}
yield 3;
} finally {
yield 4;
unreachable += 1;
}
unreachable += 1;
yield 5;
}
var iter = g();
var result;
result = iter.next();
assert.sameValue(result.value, 1, 'First result `value`');
assert.sameValue(result.done, false, 'First result `done` flag');
result = iter.next();
assert.sameValue(result.value, 4, 'Second result `value`');
assert.sameValue(result.done, false, 'First result `done` flag');
assert.throws(Test262Error, function() {
iter.throw(new Test262Error());
});
assert.sameValue(
unreachable,
0,
'statement following `yield` not executed (following `throw`)'
);
result = iter.next();
assert.sameValue(
result.value, undefined, 'Result `value` is undefined when done'
);
assert.sameValue(result.done, true, 'Result `done` flag is `true` when done');
assert.sameValue(
unreachable, 0, 'statement following `yield` not executed (once "completed")'
);
iter.next();
reportCompare(0, 0);
|