Java Assert Null assertNull(String message, Object object)

Description

Asserts that an object is null.

License

Apache License

Parameter

Parameter	Description
message	the identifying message for the AssertionError ( <code>null</code> okay)
object	Object to check or <code>null</code>

Declaration

public static void assertNull(String message, Object object) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

public class Main {
    /**/*w  ww. ja v a 2  s  .co  m*/
     * Asserts that an object is null. If it is not, an {@link AssertionError}
     * is thrown with the given message.
     * 
     * @param message
     *            the identifying message for the {@link AssertionError} (
     *            <code>null</code> okay)
     * @param object
     *            Object to check or <code>null</code>
     */
    public static void assertNull(String message, Object object) {
        assertTrue(message, object == null);
    }

    /**
     * Asserts that a condition is true. If it isn't it throws an
     * {@link AssertionError} with the given message.
     * 
     * @param message
     *            the identifying message for the {@link AssertionError} (
     *            <code>null</code> okay)
     * @param condition
     *            condition to be checked
     */
    public static void assertTrue(String message, boolean condition) {
        if (!condition)
            fail(message);
    }

    /**
     * Fails a test with the given message.
     * 
     * @param message
     *            the identifying message for the {@link AssertionError} (
     *            <code>null</code> okay)
     * @see AssertionError
     */
    public static void fail(String message) {
        throw new IllegalStateException(message == null ? "" : message);
    }
}

Related

1. assertNull(Object obj)
2. assertNull(Object object)
3. assertNull(Object object, String errMsg)
4. assertNull(Object object, String message)
5. assertNull(String message, Object object)
6. assertNull(String message, Object val)
7. assertNull(String string, Object obj)
8. assertObjectNullOrIsInstance(Object obj, Class expectedType, String name)