From 728ed62ed014a6006a18e531448b1119db525db6 Mon Sep 17 00:00:00 2001
From: Anna Kozlova <anna.kozlova@jetbrains.com>
Date: Wed, 10 May 2017 20:16:41 +0300
Subject: [PATCH] testdata for IDEA-157350

---
 ...opLevelToFailedSubstitutorOnNestedLevel.java | 17 +++++++++++++++++
 .../lambda/NewMethodRefHighlightingTest.java    |  2 ++
 2 files changed, 19 insertions(+)
 create mode 100644 java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/newMethodRef/PreferErrorOnTopLevelToFailedSubstitutorOnNestedLevel.java

diff --git a/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/newMethodRef/PreferErrorOnTopLevelToFailedSubstitutorOnNestedLevel.java b/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/newMethodRef/PreferErrorOnTopLevelToFailedSubstitutorOnNestedLevel.java
new file mode 100644
index 000000000000..e4d8506aa7e3
--- /dev/null
+++ b/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/newMethodRef/PreferErrorOnTopLevelToFailedSubstitutorOnNestedLevel.java
@@ -0,0 +1,17 @@
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+class MyTest {
+  static Map<String, Meeting> getMeetingsById(List<Meeting> meetings){
+    return <error descr="Incompatible types. Required Map<String, Meeting> but 'collect' was inferred to R:
+no instance(s) of type variable(s) A, A, K, R, T exist so that List<T> conforms to Meeting">meetings.stream()
+      .collect(Collectors.groupingBy(Meeting::getId));</error>
+  }
+
+}
+class Meeting {
+  String getId() {
+    return null;
+  }
+}
diff --git a/java/java-tests/testSrc/com/intellij/codeInsight/daemon/lambda/NewMethodRefHighlightingTest.java b/java/java-tests/testSrc/com/intellij/codeInsight/daemon/lambda/NewMethodRefHighlightingTest.java
index 41727bc2d96f..bb421ddfc926 100644
--- a/java/java-tests/testSrc/com/intellij/codeInsight/daemon/lambda/NewMethodRefHighlightingTest.java
+++ b/java/java-tests/testSrc/com/intellij/codeInsight/daemon/lambda/NewMethodRefHighlightingTest.java
@@ -174,6 +174,8 @@ public class NewMethodRefHighlightingTest extends LightDaemonAnalyzerTestCase {
   public void testDistinguishCapturedWildcardsByDifferentParameters() throws Exception { doTest(); }
   public void testConstructorRefOnClassWithRecursiveTypeParameter() throws Exception { doTest(); }
 
+  public void testPreferErrorOnTopLevelToFailedSubstitutorOnNestedLevel() { doTest(); }
+
   private void doTest() {
     doTest(false);
   }