mirror of https://github.com/tc39/test262.git
50 lines
1.3 KiB
JavaScript
50 lines
1.3 KiB
JavaScript
// Copyright (C) 2015 the V8 project authors. All rights reserved.
|
|
// This code is governed by the BSD license found in the LICENSE file.
|
|
/*---
|
|
es6id: 13.6.4.13
|
|
description: >
|
|
Control flow during body evaluation should honor `yield` statements within
|
|
`try` blocks.
|
|
features: [generators]
|
|
---*/
|
|
|
|
function* values() {
|
|
yield 1;
|
|
yield 1;
|
|
}
|
|
var dataIterator = values();
|
|
var controlIterator = (function*() {
|
|
for (var x of dataIterator) {
|
|
try {
|
|
i++;
|
|
yield;
|
|
j++;
|
|
} catch (err) {}
|
|
k++;
|
|
}
|
|
|
|
l++;
|
|
})();
|
|
var i = 0;
|
|
var j = 0;
|
|
var k = 0;
|
|
var l = 0;
|
|
|
|
controlIterator.next();
|
|
assert.sameValue(i, 1, 'First iteration: pre-yield');
|
|
assert.sameValue(j, 0, 'First iteration: post-yield');
|
|
assert.sameValue(k, 0, 'First iteration: post-try');
|
|
assert.sameValue(l, 0, 'First iteration: post-for-of');
|
|
|
|
controlIterator.next();
|
|
assert.sameValue(i, 2, 'Second iteration: pre-yield');
|
|
assert.sameValue(j, 1, 'Second iteration: post-yield');
|
|
assert.sameValue(k, 1, 'Second iteration: post-try');
|
|
assert.sameValue(l, 0, 'Second iteration: post-for-of');
|
|
|
|
controlIterator.next();
|
|
assert.sameValue(i, 2, 'Third iteration: pre-yield');
|
|
assert.sameValue(j, 2, 'Third iteration: post-yield');
|
|
assert.sameValue(k, 2, 'Third iteration: post-try');
|
|
assert.sameValue(l, 1, 'Third iteration: post-for-of');
|