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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/defineProperty/targetdesc-not-configurable-writable-desc-not-writable.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/defineProperty/targetdesc-not-configurable-writable-desc-not-writable.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Proxy/defineProperty/targetdesc-not-configurable-writable-desc-not-writable.js | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Proxy/defineProperty/targetdesc-not-configurable-writable-desc-not-writable.js b/js/src/tests/test262/built-ins/Proxy/defineProperty/targetdesc-not-configurable-writable-desc-not-writable.js new file mode 100644 index 0000000000..902c835c04 --- /dev/null +++ b/js/src/tests/test262/built-ins/Proxy/defineProperty/targetdesc-not-configurable-writable-desc-not-writable.js @@ -0,0 +1,42 @@ +// Copyright (C) 2019 Aleksey Shvayka. 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-defineownproperty-p-desc +description: > + Throw a TypeError exception if trap result is true, targetDesc is not configurable + and writable, while Desc is not writable. +info: | + [[DefineOwnProperty]] (P, Desc) + + ... + 16. Else targetDesc is not undefined, + ... + c. If IsDataDescriptor(targetDesc) is true, targetDesc.[[Configurable]] is + false, and targetDesc.[[Writable]] is true, then + i. If Desc has a [[Writable]] field and Desc.[[Writable]] is + false, throw a TypeError exception. + ... +features: [Proxy, Reflect, proxy-missing-checks] +---*/ + +var trapCalls = 0; +var p = new Proxy({}, { + defineProperty: function(t, prop, desc) { + Object.defineProperty(t, prop, { + configurable: false, + writable: true, + }); + + trapCalls++; + return true; + }, +}); + +assert.throws(TypeError, function() { + Reflect.defineProperty(p, "prop", { + writable: false, + }); +}); +assert.sameValue(trapCalls, 1); + +reportCompare(0, 0); |