testdata IDEA-131282

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/regression/IDEA134945.java

@@ -0,0 +1,45 @@
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+class MyTest {
+
+  public static void main(String[] args) {
+    List<Test> data = new ArrayList<>();
+    Map<String, Map<String, Integer>> result = data.stream().collect(
+      Collectors.groupingBy(
+        Test::getName,
+        Collectors.groupingBy(
+          Test::getMonth,
+          Collectors.summingInt(Test::getAmount))
+      )
+    );
+  }
+
+
+  private static class Test{
+    private String name;
+    private String month;
+    private int amount;
+
+    public Test(String name, String month, int amount) {
+      this.name = name;
+      this.month = month;
+      this.amount = amount;
+    }
+
+    public String getName() {
+      return name;
+    }
+
+    public String getMonth() {
+      return month;
+    }
+
+    public int getAmount() {
+      return amount;
+    }
+  }
+
+}