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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /js/src/tests/non262/operators/instanceof-bound-function-recursion.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
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); |