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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/tests/test262/built-ins/Proxy/ownKeys/not-extensible-new-keys-throws.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.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/tests/test262/built-ins/Proxy/ownKeys/not-extensible-new-keys-throws.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Proxy/ownKeys/not-extensible-new-keys-throws.js | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Proxy/ownKeys/not-extensible-new-keys-throws.js b/js/src/tests/test262/built-ins/Proxy/ownKeys/not-extensible-new-keys-throws.js new file mode 100644 index 0000000000..dda61a8aab --- /dev/null +++ b/js/src/tests/test262/built-ins/Proxy/ownKeys/not-extensible-new-keys-throws.js @@ -0,0 +1,32 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-proxy-object-internal-methods-and-internal-slots-ownpropertykeys +description: > + If target is not extensible, the result can't contain keys names not + contained in the target object. +info: | + [[OwnPropertyKeys]] ( ) + + ... + 20. If uncheckedResultKeys is not empty, throw a TypeError exception. +features: [Proxy] +---*/ + +var target = { + foo: 1 +}; + +var p = new Proxy(target, { + ownKeys: function() { + return ["foo", "bar"]; + } +}); + +Object.preventExtensions(target); + +assert.throws(TypeError, function() { + Object.keys(p); +}); + +reportCompare(0, 0); |