test: try to reproduce the reported issue as #1187

spotbugs/src/test/java/edu/umd/cs/findbugs/HTMLBugReporterTest.java

@@ -0,0 +1,62 @@
+package edu.umd.cs.findbugs;
+
+import edu.umd.cs.findbugs.ba.AnalysisContext;
+import edu.umd.cs.findbugs.classfile.Global;
+import edu.umd.cs.findbugs.classfile.IAnalysisCache;
+import edu.umd.cs.findbugs.classfile.impl.ClassFactory;
+import edu.umd.cs.findbugs.classfile.impl.ClassPathImpl;
+import edu.umd.cs.findbugs.internalAnnotations.DottedClassName;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+
+public class HTMLBugReporterTest {
+    private HTMLBugReporter reporter;
+    private StringWriter writer;
+
+    @Before
+    public void setup() {
+        Project project = new Project();
+        reporter = new HTMLBugReporter(project, "fancy.xsl");
+        writer = new StringWriter();
+        reporter.setWriter(new PrintWriter(writer));
+        reporter.setPriorityThreshold(Priorities.IGNORE_PRIORITY);
+        DetectorFactoryCollection.resetInstance(new DetectorFactoryCollection());
+        IAnalysisCache analysisCache = ClassFactory.instance().createAnalysisCache(new ClassPathImpl(), reporter);
+        Global.setAnalysisCacheForCurrentThread(analysisCache);
+        FindBugs2.registerBuiltInAnalysisEngines(analysisCache);
+        AnalysisContext analysisContext = new AnalysisContext(project) {
+            public boolean isApplicationClass(@DottedClassName String className) {
+                // treat all classes as application class, to report bugs in it
+                return true;
+            }
+        };
+        AnalysisContext.setCurrentAnalysisContext(analysisContext);
+    }
+
+    @After
+    public void teardown() {
+        AnalysisContext.removeCurrentAnalysisContext();
+        Global.removeAnalysisCacheForCurrentThread();
+    }
+
+    /**
+     * @see <a href="https://github.com/spotbugs/spotbugs/issues/1187">related GitHub Issue</a>
+     */
+    @Test
+    public void testInnerClass() {
+        BugPattern bugPattern = new BugPattern("bugType", "abbrev", "category", false, "shortDescription",
+                "describing about this bug type with value {0}...", "detailText", null, 0);
+        DetectorFactoryCollection.instance().registerBugPattern(bugPattern);
+        BugCode bugCode = new BugCode("abbrev", "description", 0);
+        DetectorFactoryCollection.instance().registerBugCode(bugCode);
+
+        reporter.reportBug(new BugInstance(bugPattern.getType(), bugPattern.getPriorityAdjustment()).addInt(10).addClass("the/target/Class$Inner"));
+        reporter.finish();
+
+        System.out.println(writer.toString());
+    }
+}