diff options
Diffstat (limited to 'js/src/jit-test/tests/for-of/iterclose-invalidate-with-finally.js')
-rw-r--r-- | js/src/jit-test/tests/for-of/iterclose-invalidate-with-finally.js | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/for-of/iterclose-invalidate-with-finally.js b/js/src/jit-test/tests/for-of/iterclose-invalidate-with-finally.js new file mode 100644 index 0000000000..fde21bd6b9 --- /dev/null +++ b/js/src/jit-test/tests/for-of/iterclose-invalidate-with-finally.js @@ -0,0 +1,55 @@ +var invalidate = false; +var finallyCount = 0; + +const iterable = { + [Symbol.iterator]() { + return { + i: 0, + next() { + return { value: this.i++, done: false } + }, + return() { + if (invalidate) { + // Invalidate Ion scripts. + gc(closeIter, 'shrinking'); + return undefined; + } + return { value: "return", done: true }; + } + }; + } +} + +function closeIter(o) { + try { + for (var x of o) { + if (x == 2) { + break; + } + } + } finally { + finallyCount++; + } +} + +function test() { + with ({}) {} + for (var i = 0; i < 100; i++) { + closeIter(iterable); + } + invalidate = true; + try { + closeIter(iterable); + } catch {} + invalidate = false; +} + +with ({}) {} + +test(); + +// Force an IC in Ion. +closeIter([1,2,3,4,5]); + +test(); +assertEq(finallyCount, 203); |