/*
* 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);
}
}