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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
commit | 2aa4a82499d4becd2284cdb482213d541b8804dd (patch) | |
tree | b80bf8bf13c3766139fbacc530efd0dd9d54394c /js/src/tests/non262/strict/primitive-this-getter.js | |
parent | Initial commit. (diff) | |
download | firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.tar.xz firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.zip |
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/non262/strict/primitive-this-getter.js')
-rw-r--r-- | js/src/tests/non262/strict/primitive-this-getter.js | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/js/src/tests/non262/strict/primitive-this-getter.js b/js/src/tests/non262/strict/primitive-this-getter.js new file mode 100644 index 0000000000..55fd79d9df --- /dev/null +++ b/js/src/tests/non262/strict/primitive-this-getter.js @@ -0,0 +1,56 @@ +let primitives = [ + 10, + false, + "test", + Symbol() +] + +let getter = "getter"; +let getter2 = "getter2"; +let key = "key"; + +for (let value of primitives) { + let prototype = Object.getPrototypeOf(value); + + // Strict getters receive a primitive this value. + Object.defineProperty(prototype, "getter", {get: function() { + "use strict"; + assertEq(this, value); + return "getter"; + }}) + + assertEq(value.getter, "getter"); + assertEq(value[getter], "getter"); + + // The proxy's [[Get]] trap is also invoked with primitive receiver values. + let proxy = new Proxy({}, { + get(target, property, receiver) { + assertEq(property, "key"); + assertEq(receiver, value); + return "get"; + } + }); + + Object.setPrototypeOf(prototype, proxy); + assertEq(value.key, "get"); + assertEq(value[key], "get"); + assertEq(value.getter, "getter"); + assertEq(value[getter], "getter"); + + // A getter still gets a primitive this value even after going through a proxy. + proxy = new Proxy({ + get getter2() { + "use strict"; + assertEq(this, value); + return "getter2"; + } + }, {}); + + Object.setPrototypeOf(prototype, proxy); + assertEq(value.getter2, "getter2"); + assertEq(value[getter2], "getter2"); + assertEq(value.getter, "getter"); + assertEq(value[getter], "getter"); +} + +reportCompare(true, true); |