content: /*
   * Copyright (C) 2014 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.
   */
  
  /**
   * Common superclass for test cases.
   */
  
  import java.util.Arrays;
  
  public abstract class TestCase {
    public static void assertSame(Object expected, Object value) {
      if (expected != value) {
        throw new AssertionError("Objects are not the same: expected " +
            String.valueOf(expected) + ", got " + String.valueOf(value));
      }
    }
  
    public static void assertNotSame(Object expected, Object value) {
      if (expected == value) {
        throw new AssertionError(
            "Objects are the same: " + String.valueOf(expected));
      }
    }
  
    public static void assertEquals(String message, int expected, int actual) {
      if (expected != actual) {
        throw new AssertionError(message);
      }
    }
  
    public static void assertEquals(int expected, int actual) {
      if (expected != actual) {
        throw new AssertionError("Expected " + expected + " got " + actual);
      }
    }
  
    public static void assertTrue(String message, boolean condition) {
      if (!condition) {
        throw new AssertionError(message);
      }
    }
  
    public static void assertTrue(boolean condition) {
      assertTrue("Expected true", condition);
    }
  
    public static void assertFalse(String message, boolean condition) {
      if (condition) {
        throw new AssertionError(message);
      }
    }
  
    public static void assertFalse(boolean condition) {
      assertFalse("Expected false", condition);
    }
  
    public static void assertEquals(Object expected, Object actual) {
      if (!expected.equals(actual)) {
        String msg = "Expected \"" + expected + "\" but got \"" + actual + "\"";
        throw new AssertionError(msg);
      }
    }
  
    public static void assertNotEquals(int expected, int actual) {
      if (expected == actual) {
        throw new AssertionError("Expected " + expected + " got " + actual);
      }
    }
  
    public static void assertNotEquals(Object expected, Object actual) {
      if (expected.equals(actual)) {
        String msg = "Objects are the same: " + String.valueOf(expected);
        throw new AssertionError(msg);
      }
    }
  
    public static <T> void assertArrayEquals(T[] actual, T... expected) {
        assertTrue(Arrays.equals(expected, actual));
    }
  
    public static void assertEquals(
        String message, Object expected, Object actual) {
      if (!expected.equals(actual)) {
        throw new AssertionError(message);
      }
    }
  
    public static void assertEquals(
        String message, long expected, long actual) {
      if (expected != actual) {
        throw new AssertionError(message);
      }
    }
  
    public static void assertEquals(long expected, long actual) {
      if (expected != actual) {
        throw new AssertionError("Expected " + expected + " got " + actual);
      }
    }
  
    public static void assertEquals(
        String message, boolean expected, boolean actual) {
      if (expected != actual) {
        throw new AssertionError(message);
      }
    }
  
    public static void assertEquals(boolean expected, boolean actual) {
      if (expected != actual) {
        throw new AssertionError("Expected " + expected + " got " + actual);
      }
    }
  
    public static void assertEquals(
        String message, float expected, float actual) {
      if (expected != actual) {
        throw new AssertionError(message);
      }
    }
  
    public static void assertEquals(float expected, float actual) {
      if (expected != actual) {
        throw new AssertionError("Expected " + expected + " got " + actual);
      }
    }
  
    public static void assertEquals(float expected, float actual,
                                    float tolerance) {
      if ((actual < expected - tolerance) || (expected + tolerance < actual)) {
        throw new AssertionError("Expected " + expected + " got " + actual +
            " tolerance " + tolerance);
      }
    }
  
    public static void assertEquals(
        String message, double expected, double actual) {
      if (expected != actual) {
        throw new AssertionError(message);
      }
    }
  
    public static void assertEquals(double expected, double actual) {
      if (expected != actual) {
        throw new AssertionError("Expected " + expected + " got " + actual);
      }
    }
  
    public static void assertEquals(double expected, double actual,
                                    double tolerance) {
      if ((actual < expected - tolerance) || (expected + tolerance < actual)) {
        throw new AssertionError("Expected " + expected + " got " + actual +
            " tolerance " + tolerance);
      }
    }
  
    public static void assertSame(
        String message, Object expected, Object actual) {
      if (expected != actual) {
        throw new AssertionError(message);
      }
    }
  
    public static void assertNull(String message, Object object) {
      if (object != null) {
        throw new AssertionError(message);
      }
    }
  
    public static void assertNull(Object object) {
      assertNull("Expected null", object);
    }
  
    public static void assertNotNull(String message, Object object) {
      if (object == null) {
        throw new AssertionError(message);
      }
    }
  
    public static void assertNotNull(Object object) {
      assertNotNull("Expected non-null", object);
    }
  
    public static void fail(String msg) {
      throw new AssertionError(msg);
    }
  }
  