Migrate language block 45 - call_argument ... call_with.

tests/language_strong/call_through_null_getter_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 "package:expect/expect.dart";
-
-// Tests that we can call functions through getters which return null.
-
-const TOP_LEVEL_NULL = null;
-
-var topLevel;
-
-class CallThroughNullGetterTest {
-  static void testMain() {
-    testTopLevel();
-    testField();
-    testGetter();
-    testMethod();
-  }
-
-  static void testTopLevel() {
-    topLevel = null;
-    expectThrowsNoSuchMethodError(() {
-      topLevel();
-    });
-    expectThrowsNoSuchMethodError(() {
-      (topLevel)();
-    });
-    expectThrowsNoSuchMethodError(() {
-      TOP_LEVEL_NULL();
-    });
-    expectThrowsNoSuchMethodError(() {
-      (TOP_LEVEL_NULL)();
-    });
-  }
-
-  static void testField() {
-    A a = new A();
-
-    a.field = null;
-    expectThrowsNoSuchMethodError(() {
-      a.field();
-    });
-    expectThrowsNoSuchMethodError(() {
-      (a.field)();
-    });
-  }
-
-  static void testGetter() {
-    A a = new A();
-
-    a.field = null;
-    expectThrowsNoSuchMethodError(() {
-      a.getter();
-    });
-    expectThrowsNoSuchMethodError(() {
-      (a.getter)();
-    });
-  }
-
-  static void testMethod() {
-    A a = new A();
-
-    a.field = null;
-    expectThrowsNoSuchMethodError(() {
-      a.method()();
-    });
-  }
-
-  static void expectThrowsNoSuchMethodError(fn) {
-    Expect.throws(
-        fn, (e) => e is NoSuchMethodError, "Should throw NoSuchMethodError");
-  }
-}
-
-class A {
-  A() {}
-  var field;
-  get getter {
-    return field;
-  }
-
-  method() {
-    return field;
-  }
-}
-
-main() {
-  CallThroughNullGetterTest.testMain();
-}