1 files changed, 90 insertions, 0 deletions
diff --git a/js/src/tests/non262/extensions/inc-dec-functioncall.js b/js/src/tests/non262/extensions/inc-dec-functioncall.js
new file mode 100644
index 0000000000..b4de03c6c0
--- /dev/null
+++ b/js/src/tests/non262/extensions/inc-dec-functioncall.js
@@ -0,0 +1,90 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 609756;
+var summary =
+  "Perform ToNumber on the result of the |fun()| in |fun()++| before " +
+  "throwing";
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var hadSideEffect;
+
+function f()
+{
+  return { valueOf: function() { hadSideEffect = true; return 0; } };
+}
+
+hadSideEffect = false;
+assertThrowsInstanceOf(function() { f()++; }, ReferenceError);
+assertEq(hadSideEffect, true);
+
+hadSideEffect = false;
+assertThrowsInstanceOf(function() {
+  for (var i = 0; i < 20; i++)
+  {
+    if (i > 18)
+      f()++;
+  }
+}, ReferenceError);
+assertEq(hadSideEffect, true);
+
+
+hadSideEffect = false;
+assertThrowsInstanceOf(function() { f()--; }, ReferenceError);
+assertEq(hadSideEffect, true);
+
+hadSideEffect = false;
+assertThrowsInstanceOf(function() {
+  for (var i = 0; i < 20; i++)
+  {
+    if (i > 18)
+      f()--;
+  }
+}, ReferenceError);
+assertEq(hadSideEffect, true);
+
+
+hadSideEffect = false;
+assertThrowsInstanceOf(function() { ++f(); }, ReferenceError);
+assertEq(hadSideEffect, true);
+
+hadSideEffect = false;
+assertThrowsInstanceOf(function() {
+  for (var i = 0; i < 20; i++)
+  {
+    if (i > 18)
+      ++f();
+  }
+}, ReferenceError);
+assertEq(hadSideEffect, true);
+
+
+hadSideEffect = false;
+assertThrowsInstanceOf(function() { --f(); }, ReferenceError);
+assertEq(hadSideEffect, true);
+
+hadSideEffect = false;
+assertThrowsInstanceOf(function() {
+  for (var i = 0; i < 20; i++)
+  {
+    if (i > 18)
+      --f();
+  }
+}, ReferenceError);
+assertEq(hadSideEffect, true);
+
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("Tests complete");