Tests owed.

dart/tests/compiler/dart2js/parser_test.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.
 
 #import('parser_helper.dart');
 #import("../../../lib/compiler/implementation/tree/tree.dart");
 
 void testStatement(String statement) {
   Node node = parseStatement(statement);
   Expect.isNotNull(node.toString());
@@ skipping 247 matching lines @@
   FunctionExpression function = parseMember('operator -() => null;');
   Send name = function.name.asSend();
   Expect.isNotNull(name);
   Expect.stringEquals('operator', name.receiver.source.stringValue);
   Expect.stringEquals('-', name.selector.source.stringValue);
   Expect.isTrue(function.parameters.isEmpty);
   Expect.isNull(function.returnType);
   Expect.isNull(function.getOrSet);
 }
 
+class Collector implements DiagnosticListener {
+  final List<int> tokens = <int>[];
+
+  void cancel(String reason, {node, token, instruction, element}) {
+    tokens.add(token.kind);
+    throw this;
+  }
+
+  void log(message) {
+    print(message);
+  }
+}
+
+void testMissingCloseParen() {
+  final String source =
+'''foo(x {  // <= missing closing ")"
+  return x;
+}''';
+  Expect.throws(() => parseMember(source, lc: new Collector()),
+                (Collector c) {
+                  Expect.listEquals(const <int>[OPEN_CURLY_BRACKET_TOKEN],
+                                    c.tokens);
+                  return true;
+                });
+}
+
 void main() {
   testGenericTypes();
   // TODO(ahe): Enable this test when we handle library prefixes.
   // testPrefixedGenericTypes();
   testUnaryExpression();
   testChainedMethodCalls();
   testFunctionStatement();
   testDoStatement();
   testWhileStatement();
   testConditionalExpression();
   testAssignment();
   testIndex();
   testPostfix();
   testOperatorParse();
+  testMissingCloseParen();
 }