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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/jit-test/tests/proxy/testDirectProxyOwnKeysSymbol.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 'js/src/jit-test/tests/proxy/testDirectProxyOwnKeysSymbol.js')
-rw-r--r-- | js/src/jit-test/tests/proxy/testDirectProxyOwnKeysSymbol.js | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/proxy/testDirectProxyOwnKeysSymbol.js b/js/src/jit-test/tests/proxy/testDirectProxyOwnKeysSymbol.js new file mode 100644 index 0000000000..ad6e1845e1 --- /dev/null +++ b/js/src/jit-test/tests/proxy/testDirectProxyOwnKeysSymbol.js @@ -0,0 +1,33 @@ +// Make sure that we can find own, enumerable symbols. +var symbol = Symbol("bad"); +var symbol2 = Symbol("good"); +var proxy = new Proxy({}, { + ownKeys() { + return [symbol, symbol2]; + }, + getOwnPropertyDescriptor(target, name) { + if (name == symbol) + return {configurable: true, enumerable: false, value: {}}; + // Only this enumerable symbol should be defined. + if (name == symbol2) + return {configurable: true, enumerable: true, value: {}}; + assertEq(true, false); + }, + get(target, name) { + // Slightly confusing, but these are the descriptors that defineProperties + // is going to define on the object. + if (name == symbol) + return {configurable: true, value: "bad"}; + if (name == symbol2) + return {configurable: true, value: "good"}; + assertEq(true, false); + } +}); +assertEq(Object.getOwnPropertySymbols(proxy).length, 2); + +var obj = {}; +Object.defineProperties(obj, proxy); +assertEq(Object.getOwnPropertySymbols(obj).length, 1); +assertEq(symbol in obj, false); +assertEq(symbol2 in obj, true); +assertEq(obj[symbol2], "good"); |