| // 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. | 
 |  | 
 | import "package:expect/expect.dart"; | 
 |  | 
 | 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 (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(); | 
 | } |