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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/GeneratorPrototype/return/try-finally-nested-try-catch-within-outer-try-before-nested.js | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/GeneratorPrototype/return/try-finally-nested-try-catch-within-outer-try-before-nested.js b/js/src/tests/test262/built-ins/GeneratorPrototype/return/try-finally-nested-try-catch-within-outer-try-before-nested.js new file mode 100644 index 0000000000..1e59fe4c96 --- /dev/null +++ b/js/src/tests/test262/built-ins/GeneratorPrototype/return/try-finally-nested-try-catch-within-outer-try-before-nested.js @@ -0,0 +1,61 @@ +// 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 of a `try..catch` statement + and before a nested `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 { + inTry += 1; + yield; + try { + unreachable += 1; + } catch (e) { + throw e; + } + unreachable += 1; + } finally { + inFinally += 1; + } + unreachable += 1; +} +var iter = g(); +var result; + +iter.next(); + +assert.sameValue(inTry, 1, '`try` code path executed'); +assert.sameValue(inFinally, 0, '`finally` code path not executed'); + +result = iter.return(45); +assert.sameValue(result.value, 45, 'Second result `value`'); +assert.sameValue(result.done, true, 'Second result `done` flag'); +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); |