diff options
Diffstat (limited to 'js/src/jit-test/tests/for-of/iterclose-extra-args-throw.js')
-rw-r--r-- | js/src/jit-test/tests/for-of/iterclose-extra-args-throw.js | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/for-of/iterclose-extra-args-throw.js b/js/src/jit-test/tests/for-of/iterclose-extra-args-throw.js new file mode 100644 index 0000000000..3f7346ca2f --- /dev/null +++ b/js/src/jit-test/tests/for-of/iterclose-extra-args-throw.js @@ -0,0 +1,49 @@ +const iterable = { + [Symbol.iterator]() { + return { + i: 0, + next() { + return { value: this.i++, done: false } + }, + return(a, b, c, d) { + assertEq(a, undefined); + assertEq(b, undefined); + assertEq(c, undefined); + assertEq(d, undefined); + return { value: "return", done: true }; + } + }; + } +} + +function closeIter(o) { + for (var x of o) { + if (x == 2) { + throw "good"; + } + } +} + +function test() { + with ({}) {} + for (var i = 0; i < 100; i++) { + var caught = "bad"; + try { + closeIter(iterable) + } catch (e) { + caught = e; + } + assertEq(caught, "good"); + } +} + +with ({}) {} + +test(); + +// Force an IC in Ion. +try { + closeIter([1,2,3,4,5]); +} catch {} + +test(); |