testdata to check additional constraints

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/expressions/NestedLambdaAdditionalConstraints.java

@@ -0,0 +1,13 @@
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+class MyTest {
+    void foo(Stream<List<Person>> listStream) {
+        listStream.map(lp -> lp.stream().map(p -> p.name).collect(Collectors.joining("/", "<", ">")));
+    }
+
+    public static class Person {
+        private String name = "";
+    }
+}

java/java-tests/testSrc/com/intellij/codeInsight/daemon/lambda/Java8ExpressionsCheckTest.java

@@ -31,6 +31,10 @@ public class Java8ExpressionsCheckTest extends LightDaemonAnalyzerTestCase {
     doTestAllMethodCallExpressions();
   }
 
+  public void testNestedLambdaAdditionalConstraints() throws Exception {
+    doTestAllMethodCallExpressions();
+  }
+
   private void doTestAllMethodCallExpressions() {
     configureByFile(BASE_PATH + "/" + getTestName(false) + ".java");
     final Collection<PsiMethodCallExpression> methodCallExpressions = PsiTreeUtil.findChildrenOfType(getFile(), PsiMethodCallExpression.class);