diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/for-of/yield-star-from-try.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for-of/yield-star-from-try.js | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-of/yield-star-from-try.js b/js/src/tests/test262/language/statements/for-of/yield-star-from-try.js new file mode 100644 index 0000000000..ba838353d4 --- /dev/null +++ b/js/src/tests/test262/language/statements/for-of/yield-star-from-try.js @@ -0,0 +1,63 @@ +// 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 * values(); + 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, 1, 'Second iteration: pre-yield'); +assert.sameValue(j, 0, 'Second iteration: post-yield'); +assert.sameValue(k, 0, '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, 1, 'Third iteration: post-yield'); +assert.sameValue(k, 1, 'Third iteration: post-try'); +assert.sameValue(l, 0, 'Third iteration: post-for-of'); + +controlIterator.next(); +assert.sameValue(i, 2, 'Fourth iteration: pre-yield'); +assert.sameValue(j, 1, 'Fourth iteration: post-yield'); +assert.sameValue(k, 1, 'Fourth iteration: post-try'); +assert.sameValue(l, 0, 'Fourth iteration: post-for-of'); + +controlIterator.next(); +assert.sameValue(i, 2, 'Fifth iteration: pre-yield'); +assert.sameValue(j, 2, 'Fifth iteration: post-yield'); +assert.sameValue(k, 2, 'Fifth iteration: post-try'); +assert.sameValue(l, 1, 'Fifth iteration: post-for-of'); + +reportCompare(0, 0); |