--- /dev/null
+package jp.sourceforge.stigmata.birthmarks.is;
+
+import java.io.FileInputStream;
+
+import jp.sourceforge.stigmata.Birthmark;
+import jp.sourceforge.stigmata.BirthmarkElement;
+import jp.sourceforge.stigmata.BirthmarkEnvironment;
+import jp.sourceforge.stigmata.BirthmarkExtractor;
+import jp.sourceforge.stigmata.birthmarks.NullBirthmarkElement;
+import jp.sourceforge.stigmata.utils.WellknownClassJudgeRule;
+import jp.sourceforge.stigmata.utils.WellknownClassJudgeRule.MatchPartType;
+import jp.sourceforge.stigmata.utils.WellknownClassJudgeRule.MatchType;
+import jp.sourceforge.stigmata.utils.WellknownClassManager;
+
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ *
+ * @author Haruaki TAMADA
+ */
+public class InheritanceStructureBirthmarkExtractorTest{
+ private BirthmarkExtractor extractor;
+
+ @Before
+ public void setup(){
+ extractor = new InheritanceStructureBirthmarkService().getExtractor();
+ BirthmarkEnvironment env = BirthmarkEnvironment.getDefaultEnvironment();
+ WellknownClassManager manager = env.getWellknownClassManager();
+ manager.add(new WellknownClassJudgeRule("java.", MatchType.PREFIX, MatchPartType.FULLY_NAME));
+ manager.add(new WellknownClassJudgeRule("javax.", MatchType.PREFIX, MatchPartType.FULLY_NAME));
+ }
+
+ @Test
+ public void checkBirthmark() throws Exception{
+ Birthmark birthmark = extractor.extract(new FileInputStream("target/test-classes/resources/HelloWorldFrame.class"));
+ Assert.assertEquals("is", birthmark.getType());
+
+ BirthmarkElement[] elements = birthmark.getElements();
+ Assert.assertEquals(2, elements.length);
+
+ Assert.assertTrue(elements[0] instanceof NullBirthmarkElement);
+ Assert.assertEquals("java.lang.Object", elements[1].getValue());
+ }
+}