AbstractClassInstantiationError beats NoSuchMethodError

tests/language/abstract_beats_arguments_test.dart

+// Copyright (c) 2015, 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 "package:expect/expect.dart";
+
+// When an instantiation of an abstract class has the wrong arguments, an
+// AbstractClassInstantiationError is thrown, not a NoSuchMethodError.
+
+abstract class A {
+  A() { }
+}
+
+class B {
+  B() { }
+}
+
+bool isAbstractClassInstantiationError(e) =>
+    e is AbstractClassInstantiationError;
+
+bool isNoSuchMethodError(e) => e is NoSuchMethodError;
+
+void main() {
+  Expect.throws(() => new A(), isAbstractClassInstantiationError);
+
+  Expect.throws(() => new B(1), isNoSuchMethodError);
+  Expect.throws(() => new A(1), isAbstractClassInstantiationError);
+}