July 2014
Intermediate to advanced
314 pages
6h 25m
English
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Working with assertions
An assertion is a predicate used to verify a programmer assumption (expectation) with an actual outcome of a program implementation. For example, a programmer can expect that the addition of two positive numbers will result in a positive number. So, the programmer can write a program to add two numbers and assert the expected result with the actual result.
The org.junit.Assert package provides static overloaded methods for asserting expected and actual values for all primitive types, objects, and arrays.
This section covers the proper usage of the Assertion APIs. The following are the best practices.
Using the correct assertion
Use the correct assertion method. JUnit supports many assertion options, such as assertEquals,
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.