resources.report.rules.pmd.UseAssertSameInsteadOfAssertTrue.html Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of sanity4j Show documentation

Sanity4J was created to simplify running multiple static code analysis tools on the Java projects. It provides a single entry point to run all the selected tools and produce a consolidated report, which presents all findings in an easily accessible manner.

There is a newer version: 1.8.2

Show newest version



UseAssertSameInsteadOfAssertTrue

UseAssertSameInsteadOfAssertTrue

This rule detects JUnit assertions in object references equality. These assertions should be made by more specific methods, like assertSame, assertNotSame.


                
//PrimaryExpression[
    PrimaryPrefix/Name
     [@Image = 'assertTrue' or @Image = 'assertFalse']
]
[PrimarySuffix/Arguments
 /ArgumentList/Expression
 /EqualityExpression[count(.//NullLiteral) = 0]]
[ancestor::ClassOrInterfaceDeclaration[//ClassOrInterfaceType[pmd-java:typeof(@Image, 'junit.framework.TestCase','TestCase')] or //MarkerAnnotation/Name[pmd-java:typeof(@Image, 'org.junit.Test', 'Test')]]]
 

Example(s):



public class FooTest extends TestCase {
 void testCode() {
  Object a, b;
  assertTrue(a == b); // bad usage
  assertSame(a, b);  // good usage
 }
}