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authorjanekptacijarabaci <janekptacijarabaci@seznam.cz>2018-03-25 18:21:15 +0200
committerjanekptacijarabaci <janekptacijarabaci@seznam.cz>2018-03-25 18:21:15 +0200
commit05441d12b6bbc9dde268914fcfd374db61b83462 (patch)
tree87443cdcba99085f3a878e9e3a796ef8c3215bbc /js/src/tests/ecma_6/Statements
parent727c27a30d10a811d5a3fe04e2407cd7b3993b5e (diff)
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Bug 1346862 - Fix IteratorClose due to non-local jumps being catchable by try statements inside for-of
Issue #74
Diffstat (limited to 'js/src/tests/ecma_6/Statements')
-rw-r--r--js/src/tests/ecma_6/Statements/for-of-iterator-close-throw.js35
1 files changed, 35 insertions, 0 deletions
diff --git a/js/src/tests/ecma_6/Statements/for-of-iterator-close-throw.js b/js/src/tests/ecma_6/Statements/for-of-iterator-close-throw.js
new file mode 100644
index 000000000..1974e416b
--- /dev/null
+++ b/js/src/tests/ecma_6/Statements/for-of-iterator-close-throw.js
@@ -0,0 +1,35 @@
+function test() {
+ var returnCalled = 0;
+ var returnCalledExpected = 0;
+ var catchEntered = 0;
+ var finallyEntered = 0;
+ var finallyEnteredExpected = 0;
+ var iterable = {};
+ iterable[Symbol.iterator] = makeIterator({
+ ret: function() {
+ returnCalled++;
+ throw 42;
+ }
+ });
+
+ // inner try cannot catch IteratorClose throwing
+ assertThrowsValue(function() {
+ for (var x of iterable) {
+ try {
+ return;
+ } catch (e) {
+ catchEntered++;
+ } finally {
+ finallyEntered++;
+ }
+ }
+ }, 42);
+ assertEq(returnCalled, ++returnCalledExpected);
+ assertEq(catchEntered, 0);
+ assertEq(finallyEntered, ++finallyEnteredExpected);
+}
+
+test();
+
+if (typeof reportCompare === "function")
+ reportCompare(0, 0);