closure calls (just the invocation part).

frog/tests/leg/src/ClosureCodegenTest.dart

+// Copyright (c) 2011, 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.
+// Test that parameters keep their names in the output.
+
+#import("compiler_helper.dart");
+#import("parser_helper.dart");
+
+final String TEST_INVOCATION0 = @"""
+main() {
+  var o = null;
+  o();
+}
+""";
+
+final String TEST_INVOCATION1 = @"""
+main() {
+  var o = null;
+  o(1);
+}
+""";
+
+final String TEST_INVOCATION2 = @"""
+main() {
+  var o = null;
+  o(1, 2);
+}
+""";
+
+closureInvocation() {
+  String generated = compile(TEST_INVOCATION0);
+  Expect.isTrue(generated.contains(".\$call()"));
+  generated = compile(TEST_INVOCATION1);
+  Expect.isTrue(generated.contains(".\$call(1)"));
+  generated = compile(TEST_INVOCATION2);
+  Expect.isTrue(generated.contains(".\$call(1, 2)"));
+}
+
+main() {
+  closureInvocation();
+}