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-rw-r--r--js/src/tests/non262/Array/redefine-nonwritable-length-custom-conversion-throw.js58
1 files changed, 58 insertions, 0 deletions
diff --git a/js/src/tests/non262/Array/redefine-nonwritable-length-custom-conversion-throw.js b/js/src/tests/non262/Array/redefine-nonwritable-length-custom-conversion-throw.js
new file mode 100644
index 0000000000..f3003a6bdb
--- /dev/null
+++ b/js/src/tests/non262/Array/redefine-nonwritable-length-custom-conversion-throw.js
@@ -0,0 +1,58 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ * Contributor:
+ * Jeff Walden <jwalden+code@mit.edu>
+ */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 866700;
+var summary = "Assertion redefining non-writable length to a non-numeric value";
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var count = 0;
+
+var convertible =
+ {
+ valueOf: function()
+ {
+ count++;
+ if (count > 2)
+ return 0;
+ throw new SyntaxError("fnord");
+ }
+ };
+
+var arr = [];
+Object.defineProperty(arr, "length", { value: 0, writable: false });
+
+try
+{
+ Object.defineProperty(arr, "length",
+ {
+ value: convertible,
+ writable: true,
+ configurable: true,
+ enumerable: true
+ });
+ throw new Error("didn't throw");
+}
+catch (e)
+{
+ assertEq(e instanceof SyntaxError, true, "expected SyntaxError, got " + e);
+}
+
+assertEq(count, 1);
+assertEq(arr.length, 0);
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+ reportCompare(true, true);
+
+print("Tests complete");