Java: Infer nullability of extracted method's parameter in presence of a lambda or an anonymous class (IDEA-175727)

java/java-tests/testData/refactoring/extractMethod/NotNullArgumentLambdaInWhileNoBlock_after.java

@@ -0,0 +1,17 @@
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+class C {
+    void foo(@Nullable Object o) {
+        while (o != null)
+            newMethod(o).run();
+    }
+
+    @NotNull
+    private Runnable newMethod(@NotNull Object o) {
+        return (Runnable)(() -> bar(o));
+    }
+
+    void bar(@NotNull Object o) {
+    }
+}