From 05441d12b6bbc9dde268914fcfd374db61b83462 Mon Sep 17 00:00:00 2001 From: janekptacijarabaci Date: Sun, 25 Mar 2018 18:21:15 +0200 Subject: Bug 1346862 - Fix IteratorClose due to non-local jumps being catchable by try statements inside for-of Issue #74 --- .../Statements/for-of-iterator-close-throw.js | 35 ++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 js/src/tests/ecma_6/Statements/for-of-iterator-close-throw.js (limited to 'js/src/tests/ecma_6') 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); -- cgit v1.2.3