IDEA-80590 (hint to ignore unused for-each parameters and resource variables)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/advHighlighting7/Unused.java

@@ -1,5 +1,22 @@
-class UnusedDeclBug {
+/*
+ * Copyright 2000-2012 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import java.io.*;
+import java.net.*;
 
+class UnusedDeclBug {
     public static enum Concern {
         // These fields are used!  Just because I don't mention them by name
         // doesn't mean they aren't used!
@@ -29,4 +46,22 @@ class ForEachTest {
     }
     System.out.println(count);
   }
+}
+
+class TryWithResourcesTest {
+  public static void main(String[] args) {
+    System.out.println(checkUrl("bad url"));
+  }
+
+  private static String checkUrl(String url) {
+    try {
+      URLConnection connection = new URL(url).openConnection();
+      try (InputStream ignored = connection.getInputStream()) {
+        return connection.getURL().toString();
+      }
+    }
+    catch (IOException e) {
+      return null;
+    }
+  }
 }