4 files changed, 70 insertions, 0 deletions
diff --git a/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/mostSpecific/IDEA127584.java b/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/mostSpecific/IDEA127584.java
new file mode 100644
index 000000000000..f1222505a708
--- /dev/null
+++ b/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/mostSpecific/IDEA127584.java
@@ -0,0 +1,22 @@
+class Test {
+  public static <Tfoo, Vfoo> Future<Vfoo> foo(Future<Tfoo> future, Function<Tfoo, Vfoo> function) {
+    return future.map(function);
+  }
+
+  // These interfaces inspired by FoundationDB Java client class files
+  interface PartialFunction <TP, VP> {
+    VP apply(TP t) throws java.lang.Exception;
+  }
+
+  interface Function <TF, VF> extends PartialFunction<TF, VF> {
+    VF apply(TF t);
+  }
+
+  interface PartialFuture <TPP> {
+    <VPP> PartialFuture<VPP> map(PartialFunction<TPP, VPP> partialFunction);
+  }
+
+  interface Future <TFF> extends PartialFuture<TFF> {
+    <VFF> Future<VFF> map(Function<TFF, VFF> function);
+  }
+}
diff --git a/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/newLambda/IDEA127596.java b/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/newLambda/IDEA127596.java
new file mode 100644
index 000000000000..20636674141b
--- /dev/null
+++ b/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/newLambda/IDEA127596.java
@@ -0,0 +1,9 @@
+class Executor<E> {
+  <K> void bar(Executor<K> e) {
+    Runnable r = () -> foo(e);
+  }
+
+  private <T> T foo(final Executor<T> e) {
+    return null;
+  }
+}
diff --git a/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/newMethodRef/IDEA126969.java b/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/newMethodRef/IDEA126969.java
new file mode 100644
index 000000000000..e981d28298b5
--- /dev/null
+++ b/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/newMethodRef/IDEA126969.java
@@ -0,0 +1,15 @@
+import java.util.Collection;
+import java.util.List;
+import java.util.stream.Stream;
+
+class IDEA126969 {
+  void foo(final Stream<List<Integer>> stream) {
+
+    stream.flatMap(List::stream)
+      .forEach(i -> System.out.println(i.floatValue()));
+
+    stream.flatMap(Collection::stream)
+      .forEach(i -> System.out.println(i.floatValue()));
+
+  }
+}
diff --git a/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/newMethodRef/IDEA127506.java b/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/newMethodRef/IDEA127506.java
new file mode 100644
index 000000000000..7abf6ba9427a
--- /dev/null
+++ b/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/newMethodRef/IDEA127506.java
@@ -0,0 +1,24 @@
+import java.util.List;
+import java.util.Set;
+import java.util.stream.Stream;
+
+class Validator {
+  static boolean thereAreConstraintViolationsIn1(final Stream<Object> objectStream, Validator validator) {
+    Stream<Set<List<Object>>> rStream = objectStream
+      .map(validator::validate);
+    return rStream
+      .flatMap(set -> set.stream())
+      .findAny()
+      .isPresent();
+  }
+
+  static void thereAreConstraintViolationsIn(final Stream<Object> objectStream, Validator validator) {
+    Stream<Set<List<Object>>> rStream = objectStream.map(validator ::validate);
+
+    Stream<Set<List<Object>>> lStream = objectStream.map((a) -> validator.validate(a));
+  }
+
+  <T> Set<List<T>> validate(T var1, Class<?> ... var2) {
+    return null;
+  }
+}
+\ No newline at end of file