Add unit test for #70

Author: adangel

net.sourceforge.pmd.eclipse.plugin.test/src/main/java/net/sourceforge/pmd/eclipse/ui/preferences/br/RuleUIUtilTest.java

@@ -0,0 +1,22 @@
+package net.sourceforge.pmd.eclipse.ui.preferences.br;
+
+import static org.junit.Assert.assertNotNull;
+
+import org.junit.Test;
+
+import net.sourceforge.pmd.Rule;
+import net.sourceforge.pmd.eclipse.ui.IndexedString;
+import net.sourceforge.pmd.lang.rule.XPathRule;
+
+public class RuleUIUtilTest {
+
+    /**
+     * There should be no UnsupportedOperationException...
+     */
+    @Test
+    public void testTndexedPropertyStringFromRule() {
+        Rule rule = new XPathRule();
+        IndexedString s = RuleUIUtil.indexedPropertyStringFrom(rule);
+        assertNotNull(s);
+    }
+}