summaryrefslogtreecommitdiffstats
path: root/js/src/tests/test262/language/expressions/yield/star-rhs-iter-nrml-res-value-err.js
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--js/src/tests/test262/language/expressions/yield/star-rhs-iter-nrml-res-value-err.js58
1 files changed, 58 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/yield/star-rhs-iter-nrml-res-value-err.js b/js/src/tests/test262/language/expressions/yield/star-rhs-iter-nrml-res-value-err.js
new file mode 100644
index 0000000000..efe0206098
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/yield/star-rhs-iter-nrml-res-value-err.js
@@ -0,0 +1,58 @@
+// 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 `value` 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).
+ iii. If done is true, then
+ 1. Return ? IteratorValue(innerResult).
+
+ 7.4.4 IteratorValue
+
+ 1. Assert: Type(iterResult) is Object.
+ 2. Return ? Get(iterResult, "value").
+features: [generators, Symbol.iterator]
+---*/
+
+var thrown = new Test262Error();
+var badIter = {};
+var poisonedValue = Object.defineProperty({ done: true }, 'value', {
+ get: function() {
+ throw thrown;
+ }
+});
+badIter[Symbol.iterator] = function() {
+ return {
+ next: function() {
+ return poisonedValue;
+ }
+ };
+};
+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);