rspec/rules/S2701/java/rule.adoc
2022-02-04 16:28:24 +00:00

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There's no reason to use literal boolean values or nulls in assertions. Instead of using them with _assertEquals_, _assertNotEquals_ and similar methods, you should be using _assertTrue_, _assertFalse_, _assertNull_ or _assertNotNull_ instead (or _isNull_ etc. when using Fest). Using them with assertions unrelated to equality (such as _assertNull_) is most likely a bug.
Supported frameworks:
* JUnit3
* JUnit4
* JUnit5
* Fest assert
== Noncompliant Code Example
[source,java]
----
Assert.assertTrue(true); // Noncompliant
assertThat(null).isNull(); // Noncompliant
assertEquals(true, something()); // Noncompliant
assertNotEquals(null, something()); // Noncompliant
----
== Compliant Solution
[source,java]
----
assertTrue(something());
assertNotNull(something());
----
ifdef::env-github,rspecator-view[]
'''
== Implementation Specification
(visible only on this page)
include::../message.adoc[]
'''
== Comments And Links
(visible only on this page)
include::../comments-and-links.adoc[]
endif::env-github,rspecator-view[]