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] 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] 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.
Source Code of AssertNotEqualsExample.java
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