inline functional expression: surround with parenthesis if inlined in method reference qualifier (IDEA-152600)

java/java-tests/testData/refactoring/inlineLocal/ParenthesisAroundInlinedLambda.java

@@ -0,0 +1,12 @@
+class Test {
+  interface Task  {
+    void doit();
+  }
+
+  class SuperClient {
+    public static void main(String[] args) {
+      Task t = () -> System.out.println("hello");
+      Runnable r = <caret>t::doit;
+    }
+  }
+}

java/java-tests/testData/refactoring/inlineLocal/ParenthesisAroundInlinedLambda.java.after

@@ -0,0 +1,11 @@
+class Test {
+  interface Task  {
+    void doit();
+  }
+
+  class SuperClient {
+    public static void main(String[] args) {
+        Runnable r = ((Task) () -> System.out.println("hello"))::doit;
+    }
+  }
+}

java/java-tests/testSrc/com/intellij/refactoring/inline/InlineLocalTest.java

@@ -248,6 +248,10 @@ public class InlineLocalTest extends LightCodeInsightTestCase {
     doTest(true);
   }
 
+  public void testParenthesisAroundInlinedLambda() throws Exception {
+    doTest(true);
+  }
+
   public void testArrayAccessPriority() throws Exception {
     doTest(true);
   }