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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/jit-test/tests/proxy/testDirectProxyKeys9.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 'js/src/jit-test/tests/proxy/testDirectProxyKeys9.js')
-rw-r--r-- | js/src/jit-test/tests/proxy/testDirectProxyKeys9.js | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/proxy/testDirectProxyKeys9.js b/js/src/jit-test/tests/proxy/testDirectProxyKeys9.js new file mode 100644 index 0000000000..92695cdcd1 --- /dev/null +++ b/js/src/jit-test/tests/proxy/testDirectProxyKeys9.js @@ -0,0 +1,35 @@ +// Cull non-existent names returned by the trap. +var nullProtoAB = Object.create(null, { + a: { + enumerable: true, + configurable: true + }, + b: { + enumerable: false, + configurable: true + } +}); +var protoABWithCD = Object.create(nullProtoAB, { + c: { + enumerable: true, + configurable: true + }, + d: { + enumerable: false, + configurable: true + } +}); + +var returnedNames; +var handler = { ownKeys: () => returnedNames }; + +for (let p of [new Proxy(protoABWithCD, handler), Proxy.revocable(protoABWithCD, handler).proxy]) { + returnedNames = [ 'e' ]; + var names = Object.keys(p); + assertEq(names.length, 0); + + returnedNames = [ 'c' ]; + names = Object.keys(p); + assertEq(names.length, 1); + assertEq(names[0], 'c'); +} |