MutabilityDetector is a lightweight analysis tool for detecting whether
given class is immutable (or) not. I am using following maven dependency for
this tutorial.
<dependency>
<groupId>org.mutabilitydetector</groupId>
<artifactId>MutabilityDetector</artifactId>
<version>0.9.5</version>
</dependency>
Mutability detector takes a class (or) classes
and analyze whether this class is immutable (or) not.
assertImmutable(Student.class);
Above statement pass the test case, if
Student class is immutable, else fail the test case.
public final class Student { private final int id; private final String name; Student(int id, String name) { this.id = id; this.name = name; } public int getId() { return id; } public String getName() { return name; } }
import static org.mutabilitydetector.unittesting.MutabilityAssert.assertImmutable; import org.junit.Test; public class TestMutability { @Test public void checkMyClassIsImmutable() { assertImmutable(Student.class); } }
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