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resources.report.rules.pmd.UseAssertEqualsInsteadOfAssertTrue.html Maven / Gradle / Ivy
UseAssertEqualsInsteadOfAssertTrue
UseAssertEqualsInsteadOfAssertTrue
This rule detects JUnit assertions in object equality. These assertions
should be made by more specific methods, like assertEquals.
This rule is defined by the following XPath expression:
//PrimaryExpression[
PrimaryPrefix/Name[@Image = 'assertTrue']
][
PrimarySuffix/Arguments/ArgumentList/Expression/PrimaryExpression/PrimaryPrefix/Name
[ends-with(@Image, '.equals')]
]
[ancestor::ClassOrInterfaceDeclaration[//ClassOrInterfaceType[typeof(@Image, 'junit.framework.TestCase','TestCase')] or //MarkerAnnotation/Name[typeof(@Image, 'org.junit.Test', 'Test')]]]
Example:
public class FooTest extends TestCase {
void testCode() {
Object a, b;
assertTrue(a.equals(b)); // bad usage
assertEquals(?a should equals b?, a, b); // good usage
}
}
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