summaryrefslogtreecommitdiff
path: root/test/built-ins/GeneratorPrototype/return/try-finally-following-finally.js
blob: 9066852be2d1890342f69e1110c253ed9fda09cf (plain)
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
// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 25.3.1.3
description: >
    When a generator is paused after a `try..finally` statement, `return`
    should interrupt control flow as if a `return` statement had appeared at
    that location in the function body.
features: [generators]
---*/

var afterFinally = 0;
var unreachable = 0;
function* g() {
  try {
  } finally {}
  afterFinally += 1;
  yield;
  unreachable += 1;
}
var iter = g();
var result;

iter.next();

assert.sameValue(afterFinally, 1);

result = iter.return(45);
assert.sameValue(result.value, 45, 'Result `value` following `return`');
assert.sameValue(result.done, true, 'Result `done` flag following `return`');

assert.sameValue(
  unreachable,
  0,
  'statement following `yield` not executed (following `return`)'
);

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")'
);