diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/GeneratorPrototype/return/try-catch-before-try.js')
-rw-r--r-- | js/src/tests/test262/built-ins/GeneratorPrototype/return/try-catch-before-try.js | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/GeneratorPrototype/return/try-catch-before-try.js b/js/src/tests/test262/built-ins/GeneratorPrototype/return/try-catch-before-try.js new file mode 100644 index 0000000000..b269830153 --- /dev/null +++ b/js/src/tests/test262/built-ins/GeneratorPrototype/return/try-catch-before-try.js @@ -0,0 +1,51 @@ +// 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 before a `try..catch` statement, `return` should + interrupt control flow as if a `return` statement had appeared at that + location in the function body. +features: [generators] +---*/ + +var unreachable = 0; +function* g() { + yield; + try { + unreachable += 1; + } catch (e) { + throw e; + } + unreachable += 1; +} +var iter = g(); +var result; + +iter.next(); +assert.sameValue( + unreachable, 0, 'statement following `yield` not executed (paused at yield)' +); + +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 complete' +); +assert.sameValue( + result.done, true, 'Result `done` flag is `true` when complete' +); +assert.sameValue( + unreachable, 0, 'statement following `yield` not executed (once "completed")' +); + +reportCompare(0, 0); |