test/083-compiler-regressions/src/ZeroTests.java

/*
 * Copyright (C) 2012 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/**
 * Tests long division by zero for both / and %.
 */
public class ZeroTests {
    public static void longDivTest() throws Exception {
      longTest("longDivTest", true);
    }

    public static void longModTest() throws Exception {
      longTest("longModTest", false);
    }

    private static void longTest(String name, boolean divide) throws Exception {
      try {
        if (divide) {
          longDiv(1, 0);
        } else {
          longMod(1, 0);
        }
        throw new AssertionError(name + " failed to throw");
      } catch (ArithmeticException expected) {
        System.out.println(name + " passes");
      }
    }

    private static long longDiv(long lhs, long rhs) {
      return lhs / rhs;
    }

    private static long longMod(long lhs, long rhs) {
      return lhs % rhs;
    }
}