1 files changed, 87 insertions, 0 deletions
diff --git a/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/graphInference/SameMethodNestedChainedCallsNearFunctionInterfaces.java b/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/graphInference/SameMethodNestedChainedCallsNearFunctionInterfaces.java
new file mode 100644
index 000000000000..d8e931915013
--- /dev/null
+++ b/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/graphInference/SameMethodNestedChainedCallsNearFunctionInterfaces.java
@@ -0,0 +1,87 @@
+import java.util.*;
+import java.util.function.BiFunction;
+import java.util.function.Supplier;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+class Test
+{
+  public static class K<T>
+  {
+    private final T head;
+    private final K<T> tail;
+
+    public K(T head, K<T> tail)
+    {
+      this.head = head;
+      this.tail = tail;
+    }
+  }
+
+  public static class P<U>
+  {
+    public <B, C> P<C> biMap(P<B> that, BiFunction<U, B, C> f)
+    {
+      return null;
+    }
+  }
+
+  public static <A> P<K<A>> f(K<P<A>> x)
+  {
+    return x.head.biMap(f(x.tail), K::new);
+  }
+}
+
+class A<T>
+{
+  public A(Supplier<T> arg0, Supplier<A<T>> arg1){}
+
+  static <S> A<S> make(S[] s)
+  {
+    return helpMake(0, s);
+  }
+
+  static <S> A<S> helpMake(int offset, S[] s)
+  {
+    return new A<>(() -> s[offset], () -> helpMake(offset + 1, s));
+  }
+}
+
+interface MultivaluedMap<K, V> extends Map<K, List<V>> {
+
+  void putSingle(K var1, V var2);
+
+  void add(K var1, V var2);
+
+  V getFirst(K var1);
+}
+
+
+class Headers {
+  private final Map<String, List<String>> headers;
+
+  public Headers(Map<String, List<String>> headers) {
+    this.headers = headers;
+  }
+
+  public Headers(MultivaluedMap<String, Object> multimap) {
+    this.headers = multimap.entrySet()
+      .stream()
+      .collect(
+        Collectors.toMap(
+          Map.Entry::getKey,
+          x -> x.getValue()
+            .stream()
+            .map(Object::toString)
+            .collect(Collectors.toList())
+        )
+      );
+  }
+}
+
+class IDEA128245 {
+  public void testCollectors(final Stream<Map.Entry<String, Set<String>>> stream,
+                             Stream<Integer> integerStream) {
+    stream.collect(Collectors.toMap(Map.Entry::getKey, entry -> integerStream.collect(Collectors.toSet())));
+  }
+}