What if I dont write assert statement in unit test

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What is actually purpose of Assert in unit test and what if I write more than one Assert statement or no Assert statement.

What I have tried:

[TestMethod]
public void checkAddition()
{
Program objPrgm = new Program();
int res = objPrgm.add(4, 7);
Assert.AreEqual(11,res);
Assert.AreNotEqual(12, res);
}

With this code my unit test passed but even if I dont write Assert statement it passed too

Posted 23-May-17 19:33pm

Member 13037499

Updated 23-May-17 22:20pm

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Richard MacCutchan 24-May-17 3:54am

The Assert statement verifies the results. Without the Assert you have no idea whether the test succeeds or fails.

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F-ES Sitecore · Answer 1 · 2017-05-23T22:20:00

Asserts are what is used to cause a test to fail, if none of your asserts cause the test to fail then the test is a success. So if you don't have any asserts at all the test is bound to pass (assuming no exceptions are raised as most test frameworks consider an exception to be a fail too unless you configure the test in a way that defines an exception as a pass). Obviously a test with no asserts has no real value though.