Make test of malformed types a dynamic type error.

tests/language/malformed2_test.dart

+// Copyright (c) 2013, 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.
+
+library malformed_test;
+
+// This part includes the actual tests.
+part 'malformed2_lib.dart'; /// 00: static type warning
+
+bool inCheckedMode() {
+  try {
+    var i = 42;
+    String s = i;
+  } on TypeError catch (e) {
+    return true;
+  }
+  return false;
+}
+
+bool hasFailed = false;
+
+void fail(String message) {
+  try {
+    throw message;
+  } catch (e, s) {
+    print(e);
+    print(s);
+  }
+  hasFailed = true;
+}
+
+void checkFailures() {
+  if (hasFailed) throw 'Test failed.';
+}
+
+test(bool expectTypeError, f(), [String message]) {
+  message = message != null ? ' for $message' : '';
+  try {
+    f();
+    if (expectTypeError) {
+      fail('Missing type error$message.');
+    }
+  } on TypeError catch (e) {
+    if (expectTypeError) {
+      print('Type error$message: $e');
+    } else {
+      fail('Unexpected type error$message: $e');
+    }
+  }
+}
+
+const Unresolved c1 = 0; /// 01: static type warning, compile-time error
+
+void main() {
+  print(c1); /// 01: continued
+  testValue(new List<String>()); /// 00: continued
+  testValue(null); /// 00: continued
+  checkFailures();
+}