diff --git a/org.moreunit.test/test/org/moreunit/refactoring/RenameDialogRunnableTest.java b/org.moreunit.test/test/org/moreunit/refactoring/RenameDialogRunnableTest.java
new file mode 100644
index 00000000..cf5ea278
--- /dev/null
+++ b/org.moreunit.test/test/org/moreunit/refactoring/RenameDialogRunnableTest.java
@@ -0,0 +1,31 @@
+package org.moreunit.refactoring;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import org.eclipse.jdt.core.ICompilationUnit;
+import org.eclipse.jdt.core.IMethod;
+import org.junit.jupiter.api.Test;
+import org.moreunit.elements.ClassTypeFacade;
+
+public class RenameDialogRunnableTest
+{
+    @Test
+    public void constructor_should_store_parameters_and_create_diviner()
+    {
+        ClassTypeFacade javaFile = mock(ClassTypeFacade.class);
+        ICompilationUnit cu = mock(ICompilationUnit.class);
+        when(javaFile.getCompilationUnit()).thenReturn(cu);
+
+        IMethod method = mock(IMethod.class);
+
+        RenameDialogRunnable runnable = new RenameDialogRunnable(javaFile, method, "newName");
+
+        assertEquals(method, runnable.renamedMethod);
+        assertEquals("newName", runnable.newMethodName);
+        assertNotNull(runnable.testMethodDivinerFactory);
+        assertNotNull(runnable.testMethodDiviner);
+    }
+}