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  3. Introduction to Testing in Java
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Exercise

Digits of a number fail

Now that you've written a successful test, write a test that will fail when it encounters unexpected behavior at an edge case.

Software engineers often intentionally write failing tests to demonstrate the existence of a bug.

The necessary JUnit packages have been imported for you.

Instructions

100 XP
  • Enter the correct annotation that will enable JUnit to execute this test.
  • Call the method under test.
  • Use the correct JUnit assertion to assert expected behavior - the test fails.