1 files changed, 78 insertions, 0 deletions
diff --git a/js/src/tests/non262/Error/regress-465377.js b/js/src/tests/non262/Error/regress-465377.js
new file mode 100644
index 0000000000..ea7be79f98
--- /dev/null
+++ b/js/src/tests/non262/Error/regress-465377.js
@@ -0,0 +1,78 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 465377;
+var summary = 'instanceof relations between Error objects';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  expect = actual = 'No Exception';
+
+  try
+  {
+    var list = [
+      "Error",
+      "InternalError",
+      "EvalError",
+      "RangeError",
+      "ReferenceError",
+      "SyntaxError",
+      "TypeError",
+      "URIError"
+      ];
+    var instances = [];
+
+    for (var i = 0; i != list.length; ++i) {
+      var name = list[i];
+      var constructor = this[name];
+      var tmp = constructor.name;
+      if (tmp !== name)
+        throw "Bad value for "+name+".name: "+String(tmp);
+      instances[i] = new constructor();
+    }
+
+    for (var i = 0; i != instances.length; ++i) {
+      var instance = instances[i];
+      var name = instance.name;
+      var constructor = instance.constructor;
+      var tmp = constructor.name;
+      if (constructor !== this[name])
+        throw "Bad value of (new "+name+").constructor: "+String(tmp);
+      if (tmp !== name)
+        throw "Bad value for constructor.name: "+String(tmp);
+      if (!(instance instanceof Object))
+        throw "Bad instanceof Object for "+name;
+      if (!(instance instanceof Error))
+        throw "Bad instanceof Error for "+name;
+      if (!(instance instanceof constructor))
+        throw "Bad instanceof constructor for "+name;
+      if (instance instanceof Function)
+        throw "Bad instanceof Function for "+name;
+      for (var j = 1; j != instances.length; ++j) {
+        if (i != j && instance instanceof instances[j].constructor) {
+          throw "Unexpected (new "+name+") instanceof "+ instances[j].name;
+        }
+      }
+    }
+
+    print("OK");
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+  reportCompare(expect, actual, summary);
+}