Add Fasta tests.

pkg/fasta/test/functions.dart

Index: pkg/fasta/test/functions.dart
diff --git a/pkg/fasta/test/functions.dart b/pkg/fasta/test/functions.dart
new file mode 100644
index 0000000000000000000000000000000000000000..a0cd542b2aa2c48c4b5baeb5ef33c04988f202f1
--- /dev/null
+++ b/pkg/fasta/test/functions.dart
@@ -0,0 +1,13 @@
+// Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+main() {
+  void local(void f({a})) {
+    f(a: "Hello, World");
+    f();
+  }
+  local(({a: "Default greeting!"}) {
+    print(a);
+  });
+}