JUnit Test 'assertNotEquals' Example Using Ant
In the previous example we explain how to use of assertEquals
assertion method, in this example we try to illustrates about how to use the 'assertNotEquals'
assertion method to test whether the class file executed test cases
successfully or not.
The assertNotEquals assertion method is used to compare
between two variable whether both are equal or not, if both 'expected'
and 'actual' are equal then the AssertionError Exception
throw the following error:
[junit] Testsuite: AssertNotEqualsExample
[junit] Tests run: 2, Failures: 1, Errors: 0, Time elapsed: 0.062 sec
[junit]
[junit] Testcase: test(AssertNotEqualsExample): FAILED
[junit] expected not equals to: <2>
[junit] junit.framework.AssertionFailedError: expected not equals to: <2>
[junit] at junitx.framework.Assert.failNotEquals(Assert.java:354)
[junit] at junitx.framework.Assert.assertNotEquals(Assert.java:132)
[junit] at junitx.framework.Assert.assertNotEquals(Assert.java:248)
[junit] at junitx.framework.Assert.assertNotEquals(Assert.java:257)
[junit] at AssertNotEqualsExample.test(Unknown Source)
[junit]
[junit]
[junit] Test AssertNotEqualsExample FAILED
but if both are not equal then the program executed test case successfully.
In this example build.xml file is used to compile, test and
run the java file.
build.xml
<project name="JUnitTest" default="test" basedir=".">
<property name="testdir" location="test" />
<path id="classpath.base"/>
<path id="classpath.test">
<pathelement location="${testdir}" />
<path refid="classpath.base" />
</path>
<target name="clean" >
<delete>
<fileset dir="${testdir}" includes="**/*.class" />
</delete>
</target>
<target name="compile" depends="clean">
<javac srcdir="${testdir}" >
<classpath refid="classpath.test"/>
</javac>
</target>
<target name="test" depends="compile">
<junit>
<classpath refid="classpath.test" />
<formatter type="brief" usefile="false" />
<test name="AssertNotEqualsExample" />
</junit>
</target>
</project>
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Source Code of AssertNotEqualsExample.java
import java.lang.*;
import junit.framework.*;
public class AssertNotEqualsExample extends TestCase{
public void test(){
int expected = 2;
int actual = 2;
try{
junitx.framework.Assert.assertNotEquals(expected, actual);
}catch(AssertionError exception){ }
}
public void test01(){
int expected = 2;
int actual = 4;
try{
junitx.framework.Assert.assertNotEquals("not equal", expected, actual);
}catch(AssertionError exception){ }
}
}
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output:
Download Source Code
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