test rename overhaul: step 8 - language tests

tests/language/src/DivByZeroTest.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 to test integer div by zero.
-
-class DivByZeroTest {
-
-  static double divBy(int a, int b) {
-    var result = a/b;
-    return 1.0 * result;
-  }
-
-  static bool moustacheDivBy(int a, int b) {
-    var val = null;
-    try {
-      val = a~/b;
-    } catch (var e) {
-      return true;
-    }
-    print("Should not have gotten: $val");
-    return false;
-  }
-
-  static void testMain() {
-    Expect.isTrue(divBy(0, 0).isNaN());
-    Expect.isTrue(moustacheDivBy(0, 0));
-  }
-}
-
-main() {
-  DivByZeroTest.testMain();
-}