test rename overhaul: step 8 - language tests

tests/language/src/WhileTest.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.
-// Dart test program for testing while statement.
-
-class Helper {
-  static int f1(bool b) {
-    while (b)
-      return 1;
-
-    return 2;
-  }
-
-  static int f2(bool b) {
-    while (b) {
-      return 1;
-    }
-    return 2;
-  }
-
-  static int f3(int n) {
-    int i = 0;
-    while (i < n) {
-      i++;
-    }
-    return i;
-  }
-}
-
-class WhileTest {
-  static testMain() {
-    Expect.equals(1, Helper.f1(true));
-    Expect.equals(2, Helper.f1(false));
-    Expect.equals(1, Helper.f2(true));
-    Expect.equals(2, Helper.f2(false));
-    Expect.equals(0, Helper.f3(-2));
-    Expect.equals(0, Helper.f3(-1));
-    Expect.equals(0, Helper.f3(0));
-    Expect.equals(1, Helper.f3(1));
-    Expect.equals(2, Helper.f3(2));
-  }
-}
-
-main() {
-  WhileTest.testMain();
-}