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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /js/src/jit-test/tests/arrays/pop-nonarray-nonwritable-length.js
parentInitial commit. (diff)
downloadfirefox-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/arrays/pop-nonarray-nonwritable-length.js')
-rw-r--r--js/src/jit-test/tests/arrays/pop-nonarray-nonwritable-length.js13
1 files changed, 13 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/arrays/pop-nonarray-nonwritable-length.js b/js/src/jit-test/tests/arrays/pop-nonarray-nonwritable-length.js
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+++ b/js/src/jit-test/tests/arrays/pop-nonarray-nonwritable-length.js
@@ -0,0 +1,13 @@
+// Array.prototype.pop does a strict assignment to this.length even if the
+// caller is nonstrict. Bug 886087.
+
+load(libdir + "asserts.js");
+
+// obj.length is read-only
+var obj = {pop: [].pop, 0: "zero"};
+Object.defineProperty(obj, "length", {configurable: true, value: 1, writable: false});
+assertThrowsInstanceOf(() => obj.pop(), TypeError);
+
+// obj.length has only a getter
+obj = {pop: [].pop, 0: "zero", get length() { return 1; }};
+assertThrowsInstanceOf(() => obj.pop(), TypeError);