
What are assertions in Java and when should they be used?
May 3, 2010 · Assertions (by way of the assert keyword) were added in Java 1.4. They are used to verify the correctness of an invariant in the code. They should never be triggered in …
java - What does the "assert" keyword do? - Stack Overflow
I see assert in java much like the debug macro's as found in c or c++. If you run some very large tests you can use them. But you can leave them out when you 'run' the application, and as …
Is it good practice to use assert in Java? - Stack Overflow
Is it a good practice to use the assert keyword in java? EDIT: I know that assertions in general is a good practice. my question is, to be more accurate, if in java the BKM of assertion is using the …
validation - Assert keyword in Java - Stack Overflow
Sep 27, 2010 · Do you use the assert keyword or throw some validation runtime exception? What benefits does it give to you or why do you think it's not worth it to use?
what does the keyword assert means in java? - Stack Overflow
Mar 7, 2011 · The assert keyword, as the name implies, makes an assertion about the code. It is used to specify something that holds true all the time -- or that, at least, should be true! The …
java - How do you assert that a certain exception is thrown in JUnit ...
The method Assert.assertThrows provides a nicer way for verifying exceptions. In addition, the use of ExpectedException is error-prone when used with other rules like TestWatcher because …
Correct use Java "assert" keyword - Stack Overflow
Sep 20, 2013 · assert is used to verify the correctness of some precondition, invariant, or postcondition. In the example, we want to make sure object is not null when some method is …
java - Mockito How to mock and assert a thrown exception
I'm using mockito in a junit test. How do you make an exception happen and then assert that it has (generic pseudo-code)
java - When to use an assertion and when to use an exception
Dec 24, 2009 · When you catch an "expected" exception, you should catch only the exception that you are expecting. By catching java.lang.Exception (and especially by not logging it), you are …
java - How to assert an exception is thrown with JUnit 5 ... - Stack ...
In Java 8 and JUnit 5 (Jupiter) we can assert for exceptions as follows. Using org.junit.jupiter.api.Assertions.assertThrows public static < T extends Throwable > T …