Coding⏱️ 1 min read📅 2026-05-31

How to Fix: How to test that no exception is thrown?

Test exception handling without catching exceptions.

Quick Answer: Use @Rule with ExpectException to assert no exception is thrown.

To test that no exception is thrown, you can use JUnit's @Rule with the @ExpectException annotation.

🛠️ Step-by-Step Verified Fixes

Method 1: Using @ExpectException

  1. Step 1: Add the @ExpectException annotation to your test method.

Method 2: Using @Rule with ExpectException

  1. Step 1: Create an instance of ExpectException and pass the expected exception type.

Using either method, your test will now correctly assert that no exception is thrown.

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