java highlighting tests moved to community

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/advHighlighting/Unused.java

@@ -0,0 +1,46 @@
+public class a extends Exception {
+  private <warning descr="Private constructor 'a(java.lang.String)' is never used">a</warning>(String s) {
+    super(s);
+  }
+}
+
+class s extends Exception {
+  private s(String s) {
+    super(s);
+  }
+  public s create() {
+    return new s("");
+  }
+}
+
+class PrivateClassTest {
+	private static class Test1 {
+		// Complains that this constructor is never used
+		private Test1 () {}
+
+		private Test1 (String s) {
+            System.out.println(s);
+        }
+	}
+
+	private static class Test2 extends Test1 {
+		// Complains that no default constructor is available
+		public Test2 () {
+        }
+
+		// Complains that the relevant constructor has private access
+		public Test2 (String s) {
+			super (s);
+		}
+	}
+    public static void main(String[] args) {
+        System.out.println(new Test2());
+    }
+
+    private void <warning descr="Private method 'f(boolean, int)' is never used">f</warning>(boolean b,
+               int <warning descr="Parameter 'param' is never used">param</warning>) {
+       if (b) {
+         f(b, param);
+       }
+    }
+}