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-rw-r--r--js/src/jit-test/tests/collections/Array-of-nonconfigurable-2.js16
1 files changed, 16 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/Array-of-nonconfigurable-2.js b/js/src/jit-test/tests/collections/Array-of-nonconfigurable-2.js
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index 000000000..f5c783714
--- /dev/null
+++ b/js/src/jit-test/tests/collections/Array-of-nonconfigurable-2.js
@@ -0,0 +1,16 @@
+// Array.of does not overwrite non-configurable properties.
+
+load(libdir + "asserts.js");
+
+var obj;
+function C() {
+ obj = this;
+ Object.defineProperty(this, 0, {value: "v", configurable: false});
+}
+try { Array.of.call(C, 1); } catch (e) {}
+assertDeepEq(Object.getOwnPropertyDescriptor(obj, 0), {
+ value: "v",
+ writable: false,
+ enumerable: false,
+ configurable: false
+});