replace method reference with lambda: default constructor processing (IDEA-93025)

plugins/IntentionPowerPak/src/com/siyeh/ipp/types/ReplaceMethodRefWithLambdaIntention.java

@@ -87,6 +87,8 @@ public class ReplaceMethodRefWithLambdaIntention extends Intention {
         final PsiClass containingClass = ((PsiMember)resolveElement).getContainingClass();
         LOG.assertTrue(containingClass != null);
         isReceiver = LambdaUtil.isReceiverType(functionalInterfaceType, containingClass, (PsiMethod)resolveElement);
+      } else if (resolveElement instanceof PsiClass) {
+        isReceiver = LambdaUtil.isReceiverType(functionalInterfaceType, (PsiClass)resolveElement, (PsiMethod)null);
       }
 
       final PsiElement referenceNameElement = referenceExpression.getReferenceNameElement();

plugins/IntentionPowerPak/test/com/siyeh/ipp/types/methodRefs2lambda/NewDefaultConstructor.java

@@ -0,0 +1,10 @@
+class Test1 {
+    class Inner {}
+        void test() {
+        BlahBlah6 blahBlah62 = Inner:<caret>:new;
+        }
+}
+
+interface BlahBlah6 {
+    Test1.Inner foo6(Test1 p);
+}

plugins/IntentionPowerPak/test/com/siyeh/ipp/types/methodRefs2lambda/NewDefaultConstructor_after.java

@@ -0,0 +1,10 @@
+class Test1 {
+    class Inner {}
+        void test() {
+        BlahBlah6 blahBlah62 = (p) -> p.new Inner();
+        }
+}
+
+interface BlahBlah6 {
+    Test1.Inner foo6(Test1 p);
+}

plugins/IntentionPowerPak/testSrc/com/siyeh/ipp/types/ReplaceMethodReferenceWithLambdaIntentionTest.java

@@ -85,4 +85,8 @@ public class ReplaceMethodReferenceWithLambdaIntentionTest extends IPPTestCase {
   public void testTypeElementOnTheLeft() throws Exception {
     doTest();
   }
+
+  public void testNewDefaultConstructor() throws Exception {
+    doTest();
+  }
 }