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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/has/return-false-target-not-extensible.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/test262/built-ins/Proxy/has/return-false-target-not-extensible.js | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Proxy/has/return-false-target-not-extensible.js b/js/src/tests/test262/built-ins/Proxy/has/return-false-target-not-extensible.js new file mode 100644 index 0000000000..2cb55fd76f --- /dev/null +++ b/js/src/tests/test262/built-ins/Proxy/has/return-false-target-not-extensible.js @@ -0,0 +1,43 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 9.5.7 +description: > + A property cannot be reported as non-existent, if it exists as an own + property of the target object and the target object is not extensible. +info: | + [[HasProperty]] (P) + + ... + 11. If booleanTrapResult is false, then + a. Let targetDesc be target.[[GetOwnProperty]](P). + b. ReturnIfAbrupt(targetDesc). + c. If targetDesc is not undefined, then + ... + ii. Let extensibleTarget be IsExtensible(target). + ... + iv. If extensibleTarget is false, throw a TypeError exception. + ... +features: [Proxy] +---*/ + +var target = {}; +var handler = { + has: function(t, prop) { + return 0; + } +}; +var p = new Proxy(target, handler); + +Object.defineProperty(target, "attr", { + configurable: true, + value: 1 +}); + +Object.preventExtensions(target); + +assert.throws(TypeError, function() { + "attr" in p; +}); + +reportCompare(0, 0); |