testdata for IDEA-131700

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/newLambda/IDEA131700.java

@@ -0,0 +1,41 @@
+import java.util.Optional;
+import java.util.function.Function;
+
+class Scratch
+{
+  public static void main(String[] args) throws Exception
+  {
+    final Optional<Integer> i = foo();
+    System.out.println(i);
+  }
+
+  private static Optional<Integer> foo()
+  {
+    final Optional<String> s = returnsR(
+      "foo",
+      z -> {
+        if (z.isEmpty())
+        {
+          return Optional.empty();
+        }
+        else
+        {
+          return Optional.of("a string");
+        }
+      });
+
+    if (s.isPresent())
+    {
+      return Optional.of(1);
+    }
+    else
+    {
+      return Optional.of(2);
+    }
+  }
+
+  private static <R> R returnsR(String s, Function<String, R> f)
+  {
+    return f.apply(s);
+  }
+}