diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/GeneratorPrototype/return/try-finally-nested-try-catch-within-inner-try.js')
-rw-r--r-- | js/src/tests/test262/built-ins/GeneratorPrototype/return/try-finally-nested-try-catch-within-inner-try.js | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/GeneratorPrototype/return/try-finally-nested-try-catch-within-inner-try.js b/js/src/tests/test262/built-ins/GeneratorPrototype/return/try-finally-nested-try-catch-within-inner-try.js new file mode 100644 index 0000000000..b011444a4f --- /dev/null +++ b/js/src/tests/test262/built-ins/GeneratorPrototype/return/try-finally-nested-try-catch-within-inner-try.js @@ -0,0 +1,62 @@ +// 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 within a `try` block that is declared within a + `try` block of 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 inTry = 0; +var inFinally = 0; +var unreachable = 0; +function* g() { + try { + try { + inTry += 1; + yield; + unreachable += 1; + } catch (e) { + throw e; + } + unreachable += 1; + } finally { + inFinally += 1; + } + unreachable += 1; +} +var iter = g(); +var result; + +iter.next(); + +assert.sameValue(inTry, 1, 'Nested `try` code patch executed'); +assert.sameValue(inFinally, 0, '`finally` code path not executed'); + +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(inFinally, 1, '`finally` code path executed'); + +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); |