March 2015
Beginner to intermediate
274 pages
6h 1m
English
Content preview from Learning Android Application TestingBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Assertions in depth
Assertions are methods that check for a condition that can be evaluated. If the condition is not met, the assertion method will throw an exception, thereby aborting the execution of the test.
The JUnit API includes the class Assert. This is the base class of all the TestCase classes that hold several assertion methods useful for writing tests. These inherited methods test for a variety of conditions and are overloaded to support different parameter types. They can be grouped together in the following different sets, depending on the condition checked, for example:
- assertEquals
- assertTrue
- assertFalse
- assertNull
- assertNotNull
- assertSame
- assertNotSame
- fail
The condition tested is pretty obvious and is easily identifiable by the method name. ...
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