Fixed tests so they do indeed confirm that values on optional named parameters are not allowed. Add…

tests/language/named_parameters6_negative_test.dart

Index: tests/language/named_parameters6_negative_test.dart
diff --git a/tests/language/named_parameters6_negative_test.dart b/tests/language/named_parameters6_negative_test.dart
index 9d53ef6c2d17162349d34d8d793fe3d9621b0cea..b450c5ee457120abbd004a08f024baaa398467a7 100644
--- a/tests/language/named_parameters6_negative_test.dart
+++ b/tests/language/named_parameters6_negative_test.dart
@@ -8,6 +8,6 @@
 // No default values allowed in closure type definitions.
 typedef void Callback([String msg = ""]);
 
-main() {
-  Expect.equals(true, false);
-}
+main() { 
+  Callback cb1 = null;

[ahe, 2012/08/21 21:20:39]

I think the only way to force dart2js to compile Callback is to write something
like this:

Expect.isTrue(null is Callback);

+}