@Test
    public void testWronglyMatchAlsoEquals() {
        String drl =
                "import org.drools.compiler.xpath.*;\n" +
                "global java.util.Set duplicateNames; \n" +
                "\n" +
                "rule DIFF_FILES_BUT_WITH_SAME_FILENAME when\n" +
                "  $dir1 : TMFileSet( $ic1 : /files )\n" + 
                "  TMFileSet( this == $dir1, $ic2 : /files{name == $ic1.name}, $ic1 != $ic2 )\n" +
                "then\n" +
                "  System.out.println( $dir1 + \".: \" + $ic1 + \" \" + $ic2 );\n" +
                "  duplicateNames.add( $ic1.getName() );\n" +
                "end\n";

        KieSession ksession = new KieHelper().addContent( drl, ResourceType.DRL )
                                             .build()
                                             .newKieSession();
        
        Set duplicateNames = new HashSet();
        ksession.setGlobal("duplicateNames", duplicateNames);
        
        TMFileSet x = new TMFileSet("X");
        TMFile file0 = new TMFile("File0", 47);
        TMFile file1 = new TMFile("File1", 47);
        TMFile file2 = new TMFile("File0", 47);
        x.getFiles().addAll(Arrays.asList(new TMFile[]{file0, file1, file2}));
        
        ksession.insert(x);
        ksession.fireAllRules();
        
        assertTrue( duplicateNames.contains("File0") );
        assertFalse( duplicateNames.contains("File1") );
    }