assert Object Equals - Java java.lang

Java examples for java.lang:Assert

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Description

assert Object Equals

Demo Code

/*// ww w .  j  a  va2 s . com
 * Copyright 2012,2013 International Business Machines Corp.
 * 
 * See the NOTICE file distributed with this work for additional information
 * regarding copyright ownership. 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.
 */
//package com.java2s;

public class Main {
    public static void main(String[] argv) throws Exception {
        Object expected = "java2s.com";
        Object actual = "java2s.com";
        assertObjEquals(expected, actual);
    }

    static public void assertObjEquals(Object expected, Object actual) {
        assertWithMessage(null, expected, actual);
    }

    static public void assertWithMessage(String message, Object expected,
            Object actual) {
        if (expected == null && actual == null) {
            return;
        }
        if (expected == null && actual != null) {
            if (message == null)
                throw new AssertionError(
                        "Expected 'null' but found value: " + actual);
            else
                throw new AssertionError(message
                        + "; Expected 'null' but found value: " + actual);
        } else if (!expected.equals(actual)) {
            if (message == null)
                throw new AssertionError("Expected value: " + expected
                        + ", but found value: " + actual);
            else
                throw new AssertionError(message + "; Expected value: "
                        + expected + ", but found value: " + actual);
        }
    }

    static public void assertWithMessage(String message, boolean result) {
        if (!result) {
            if (message == null)
                throw new AssertionError();
            else
                throw new AssertionError(message);
        }
    }

    static public void assertWithMessage(String message, int expected,
            int actual) {
        boolean result = (expected == actual);

        if (!result) {
            if (message == null)
                throw new AssertionError("Expected value: " + expected
                        + ", but found value: " + actual);
            else
                throw new AssertionError(message + "; Expected value: "
                        + expected + ", but found value: " + actual);
        }
    }
}

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