anonymous -> method ref: collapse receiver method references to raw receiver (IDEA-153261)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/anonymous2methodReference/afterReferToRawTypeForReceiverMethodReference.java

@@ -0,0 +1,9 @@
+// "Replace with method reference" "true"
+import java.util.List;
+import java.util.function.Function;
+
+class MyTest {
+
+  Function<List<?>, String> TO_TEXT = Object::toString;
+
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/anonymous2methodReference/beforeReferToRawTypeForReceiverMethodReference.java

@@ -0,0 +1,14 @@
+// "Replace with method reference" "true"
+import java.util.List;
+import java.util.function.Function;
+
+class MyTest {
+
+  Function<List<?>, String> TO_TEXT = new Func<caret>tion<List<?>, String>() {
+    @Override
+    public String apply(List<?> lst) {
+      return lst.toString();
+    }
+  };
+
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/lambda2methodReference/afterNoCollapseTypeArgs.java

@@ -16,7 +16,7 @@ class Box<T>
   }
 
   {
-    foo(Box<String>::getValue);
+    foo((Function<Box<String>, String>) Box::getValue);
   }
   
   <K> void foo(Function<Box<K>, K> f){}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamApiMigration/afterForeachMethodRef.java

@@ -5,6 +5,6 @@ import java.util.List;
 class Sample {
   List<Exception> foo = new ArrayList<>();
   {
-      foo.forEach(Exception::printStackTrace);
+      foo.forEach(Throwable::printStackTrace);
   }
 }