test rename overhaul: step 8 - language tests

tests/language/src/CallOperatorTest.dart

-// Copyright (c) 2012, 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.
-
-
-// simple test with no types in signature
-class A1 {
-  operator call() => 42;
-}
-
-// same test, include return type
-class A2 {
-  int operator call() => 35;
-}
-
-class B {
-  call() => 28; // expect warning, should use 'operator call'
-}
-
-// A call() operator can have any arity
-class C {
-  operator call(arg) => 7 * arg;
-}
-
-// Test named arguments
-class D {
-  operator call([arg=6]) => 7 * arg;
-}
-
-// non-trvial method body combination of positional and named
-class E {
-  String operator call(String str, [int count=1]) {
-    String result = "";
-    for (var i = 0; i < count; i++) {
-      result += str;
-      if (i < count -1) {
-        result += ':';
-      }
-    }
-    return result;
-  }
-}
-
-main() {
-  var a1 = new A1();
-  Expect.equals(42, a1());
-  Expect.equals(42, a1.call());
-
-  var a2 = new A2();
-  Expect.equals(35, a2());
-  Expect.equals(35, a2.call());
-
-  var b = new B();
-  Expect.equals(28, b());
-  Expect.equals(28, b.call());
-
-  var c = new C();
-  Expect.equals(42, c(6));
-  Expect.equals(42, c.call(6));
-
-  var d = new D();
-  Expect.equals(42, d());
-  Expect.equals(7, d(1));
-  Expect.equals(14, d(arg:2));
-  Expect.equals(42, d.call());
-  Expect.equals(7, d.call(1));
-  Expect.equals(14, d.call(arg:2));
-
-  var e = new E();
-  Expect.equals("foo", e("foo"));
-  Expect.equals("foo:foo", e("foo", 2));
-  Expect.equals("foo:foo:foo", e("foo", count:3));
-  Expect.equals("foo", e.call("foo"));
-  Expect.equals("foo:foo", e.call("foo", 2));
-  Expect.equals("foo:foo:foo", e.call("foo", count:3));
-}