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Diffstat (limited to 'js/src/tests/test262/language/expressions/yield/star-rhs-iter-nrml-res-done-err.js')
-rw-r--r-- | js/src/tests/test262/language/expressions/yield/star-rhs-iter-nrml-res-done-err.js | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/yield/star-rhs-iter-nrml-res-done-err.js b/js/src/tests/test262/language/expressions/yield/star-rhs-iter-nrml-res-done-err.js new file mode 100644 index 0000000000..8888b974f3 --- /dev/null +++ b/js/src/tests/test262/language/expressions/yield/star-rhs-iter-nrml-res-done-err.js @@ -0,0 +1,55 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-generator-function-definitions-runtime-semantics-evaluation +es6id: 14.4.14 +description: > + Abrupt completion returned when accessing `done` property of iteration result +info: | + YieldExpression : yield * AssignmentExpression + + 1. Let exprRef be the result of evaluating AssignmentExpression. + 2. Let value be ? GetValue(exprRef). + 3. Let iterator be ? GetIterator(value). + 4. Let received be NormalCompletion(undefined). + 5. Repeat + a. If received.[[Type]] is normal, then + i. Let innerResult be ? IteratorNext(iterator, received.[[Value]]). + ii. Let done be ? IteratorComplete(innerResult). + + 7.4.3 IteratorComplete + + 1. Assert: Type(iterResult) is Object. + 2. Return ToBoolean(? Get(iterResult, "done")). +features: [generators, Symbol.iterator] +---*/ + +var thrown = new Test262Error(); +var badIter = {}; +var poisonedDone = Object.defineProperty({}, 'done', { + get: function() { + throw thrown; + } +}); +badIter[Symbol.iterator] = function() { + return { + next: function() { + return poisonedDone; + } + }; +}; +function* g() { + try { + yield * badIter; + } catch (err) { + caught = err; + } +} +var iter = g(); +var result, caught; + +result = iter.next(); + +assert.sameValue(caught, thrown); + +reportCompare(0, 0); |