method refs IDEA-112323

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/methodRef/IDEA112323.java

@@ -0,0 +1,25 @@
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+class Test1
+{
+    public static void main(Stream<Map.Entry<String, Long>> stream)
+    {
+        Stream<String> map = stream.map(Map.Entry::getKey);
+    }
+
+    public static void main(String[] args)
+    {
+        Map<String, Long> storage = new HashMap<>();
+        storage.put("One", 1l);
+        List<String> keys = storage
+                .entrySet()
+                .stream()
+                .map(Map.Entry::getKey)
+                .collect(Collectors.toList());
+        keys.stream().forEach(System.out::println);
+    }
+}