IDEA-163767 Simplify optional.isPresent() inspection doesn't suggest simplify trivial case

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/optionalIsPresent/afterOptionalReturnSelfOrEmpty.java

@@ -0,0 +1,9 @@
+// "Replace Optional.isPresent() condition with functional style expression" "true"
+
+import java.util.*;
+
+public class Main<T> {
+  Optional<Object> foo(Optional<Object> first) {
+      return first;
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/optionalIsPresent/beforeOptionalReturnSelf.java

@@ -0,0 +1,14 @@
+// "Replace Optional.isPresent() condition with functional style expression" "false"
+
+import java.util.*;
+
+public class Main<T> {
+  Optional<Object> foo(Optional<Object> first) {
+    // could be replaced in Java-9 with return first.or(() -> "xyz");
+    // but the only option in Java-8 is return first.map(Optional::of).orElseGet(() -> Optional.of("xyz")) which is weird
+    if (first.isPr<caret>esent()) {
+      return first;
+    }
+    return Optional.of("xyz");
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/optionalIsPresent/beforeOptionalReturnSelfOrEmpty.java

@@ -0,0 +1,12 @@
+// "Replace Optional.isPresent() condition with functional style expression" "true"
+
+import java.util.*;
+
+public class Main<T> {
+  Optional<Object> foo(Optional<Object> first) {
+    if (first.isPr<caret>esent()) {
+      return first;
+    }
+    return Optional.empty();
+  }
+}