diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/non262/operators/instanceof-bound-function-recursion.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | js/src/tests/non262/operators/instanceof-bound-function-recursion.js | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/tests/non262/operators/instanceof-bound-function-recursion.js b/js/src/tests/non262/operators/instanceof-bound-function-recursion.js new file mode 100644 index 0000000000..133b84f2f9 --- /dev/null +++ b/js/src/tests/non262/operators/instanceof-bound-function-recursion.js @@ -0,0 +1,23 @@ +function f() {} + +var fn = f; +for (var i = 0; i < 100000; ++i) { + fn = fn.bind(); + + // Ensure we don't fallback to @@hasInstance from %FunctionPrototype%. + Object.defineProperty(fn, Symbol.hasInstance, { + value: undefined, writable: true, enumerable: true, writable: true + }); + + // Prevent generating overlong names of the form "bound bound bound [...] f". + Object.defineProperty(fn, "name", { + value: "", writable: true, enumerable: true, writable: true + }); +} + +assertThrowsInstanceOf( + () => ({}) instanceof fn, + Error, + "detect runaway recursion delegating instanceof to bound function target"); + +reportCompare(0, 0); |