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      1 /*
      2  * Copyright (C) 2012 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 /**
     18  * Tests long division by zero for both / and %.
     19  */
     20 public class ZeroTests {
     21     public static void longDivTest() throws Exception {
     22       longTest("longDivTest", true);
     23     }
     24 
     25     public static void longModTest() throws Exception {
     26       longTest("longModTest", false);
     27     }
     28 
     29     private static void longTest(String name, boolean divide) throws Exception {
     30       try {
     31         if (divide) {
     32           longDiv(1, 0);
     33         } else {
     34           longMod(1, 0);
     35         }
     36         throw new AssertionError(name + " failed to throw");
     37       } catch (ArithmeticException expected) {
     38         System.out.println(name + " passes");
     39       }
     40     }
     41 
     42     private static long longDiv(long lhs, long rhs) {
     43       return lhs / rhs;
     44     }
     45 
     46     private static long longMod(long lhs, long rhs) {
     47       return lhs % rhs;
     48     }
     49 }
     50