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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /js/src/jit-test/tests/collections/Array-of-length-setter.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit-test/tests/collections/Array-of-length-setter.js')
-rw-r--r-- | js/src/jit-test/tests/collections/Array-of-length-setter.js | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/Array-of-length-setter.js b/js/src/jit-test/tests/collections/Array-of-length-setter.js new file mode 100644 index 0000000000..e3d97f412f --- /dev/null +++ b/js/src/jit-test/tests/collections/Array-of-length-setter.js @@ -0,0 +1,26 @@ +// Array.of calls a "length" setter if one is present. + +var hits = 0; +var lastObj = null, lastVal = undefined; +function setter(v) { + hits++; + lastObj = this; + lastVal = v; +} + +// when the setter is on the new object +function Pack() { + Object.defineProperty(this, "length", {set: setter}); +} +Pack.of = Array.of; +var pack = Pack.of("wolves", "cards", "cigarettes", "lies"); +assertEq(lastObj, pack); +assertEq(lastVal, 4); + +// when the setter is on the new object's prototype +function Bevy() {} +Object.defineProperty(Bevy.prototype, "length", {set: setter}); +Bevy.of = Array.of; +var bevy = Bevy.of("quail"); +assertEq(lastObj, bevy); +assertEq(lastVal, 1); |