Spring Framework example source code file (AssertTests.java)

This example Spring Framework source code file (AssertTests.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Spring Framework tags/keywords

a, a, arraylist, asserttests, bla, bla, brod, exception, exception, hashmap, i, object, object, testcase, util

The Spring Framework AssertTests.java source code

/*
 * Copyright 2002-2006 the original author or authors.
 *
 * 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 org.springframework.util;

import junit.framework.TestCase;
import org.springframework.test.AssertThrows;

import java.util.*;

/**
 * Unit tests for the {@link Assert} class.
 *
 * @author Keith Donald
 * @author Erwin Vervaet
 * @author Rick Evans
 */
public class AssertTests extends TestCase {

    public void testInstanceOf() {
        final Set set = new HashSet();
        Assert.isInstanceOf(HashSet.class, set);
        new AssertThrows(IllegalArgumentException.class, "a hash map is not a set") {
            public void test() throws Exception {
                Assert.isInstanceOf(HashMap.class, set);
            }
        }.runTest();
    }

    public void testIsNullDoesNotThrowExceptionIfArgumentIsNullWithMessage() {
        Assert.isNull(null, "Bla");
    }

    public void testIsNullDoesNotThrowExceptionIfArgumentIsNull() {
        Assert.isNull(null);
    }

    public void testIsNullThrowsExceptionIfArgumentIsNotNull() {
        new AssertThrows(IllegalArgumentException.class, "object is not null") {
            public void test() throws Exception {
                Assert.isNull(new Object());
            }
        }.runTest();
    }

    public void testIsNullThrowsExceptionIfArgumentIsNotNullWithMessage() {
        new AssertThrows(IllegalArgumentException.class, "object is not null") {
            public void test() throws Exception {
                Assert.isNull(new Object(), "Bla");
            }

            protected void checkExceptionExpectations(Exception actualException) {
                assertEquals("Bla", actualException.getMessage());
                super.checkExceptionExpectations(actualException);
            }
        }.runTest();
    }

    public void testIsTrueWithFalseExpressionThrowsException() throws Exception {
        new AssertThrows(IllegalArgumentException.class) {
            public void test() throws Exception {
                Assert.isTrue(false);
            }
        }.runTest();
    }

    public void testIsTrueWithTrueExpressionSunnyDay() throws Exception {
        Assert.isTrue(true);
    }

    public void testHasLengthWithNullStringThrowsException() throws Exception {
        new AssertThrows(IllegalArgumentException.class) {
            public void test() throws Exception {
                Assert.hasLength(null);
            }
        }.runTest();
    }

    public void testHasLengthWithEmptyStringThrowsException() throws Exception {
        new AssertThrows(IllegalArgumentException.class) {
            public void test() throws Exception {
                Assert.hasLength("");
            }
        }.runTest();
    }

    public void testHasLengthWithWhitespaceOnlyStringDoesNotThrowException() throws Exception {
        Assert.hasLength("\t  ");
    }

    public void testHasLengthSunnyDay() throws Exception {
        Assert.hasLength("I Heart ...");
    }

    public void testDoesNotContainWithNullSearchStringDoesNotThrowException() throws Exception {
        Assert.doesNotContain(null, "rod");
    }

    public void testDoesNotContainWithNullSubstringDoesNotThrowException() throws Exception {
        Assert.doesNotContain("A cool chick's name is Brod. ", null);
    }

    public void testDoesNotContainWithEmptySubstringDoesNotThrowException() throws Exception {
        Assert.doesNotContain("A cool chick's name is Brod. ", "");
    }

    public void testAssertNotEmptyWithNullCollectionThrowsException() throws Exception {
        new AssertThrows(IllegalArgumentException.class) {
            public void test() throws Exception {
                Assert.notEmpty((Collection) null);
            }
        }.runTest();
    }

    public void testAssertNotEmptyWithEmptyCollectionThrowsException() throws Exception {
        new AssertThrows(IllegalArgumentException.class) {
            public void test() throws Exception {
                Assert.notEmpty(new ArrayList());
            }
        }.runTest();
    }

    public void testAssertNotEmptyWithCollectionSunnyDay() throws Exception {
        List collection = new ArrayList();
        collection.add("");
        Assert.notEmpty(collection);
    }

    public void testAssertNotEmptyWithNullMapThrowsException() throws Exception {
        new AssertThrows(IllegalArgumentException.class) {
            public void test() throws Exception {
                Assert.notEmpty((Map) null);
            }
        }.runTest();
    }

    public void testAssertNotEmptyWithEmptyMapThrowsException() throws Exception {
        new AssertThrows(IllegalArgumentException.class) {
            public void test() throws Exception {
                Assert.notEmpty(new HashMap());
            }
        }.runTest();
    }

    public void testAssertNotEmptyWithMapSunnyDay() throws Exception {
        Map map = new HashMap();
        map.put("", "");
        Assert.notEmpty(map);
    }

    public void testIsInstanceofClassWithNullInstanceThrowsException() throws Exception {
        new AssertThrows(IllegalArgumentException.class) {
            public void test() throws Exception {
                Assert.isInstanceOf(String.class, null);
            }
        }.runTest();
    }

    public void testStateWithFalseExpressionThrowsException() throws Exception {
        new AssertThrows(IllegalStateException.class) {
            public void test() throws Exception {
                Assert.state(false);
            }
        }.runTest();
    }

    public void testStateWithTrueExpressionSunnyDay() throws Exception {
        Assert.state(true);
    }

}