Lambda expressions support: first round

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/advHighlighting/UnsupportedFeatures.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 import java.io.*;
 import java.util.*;
 
@@ -38,7 +39,8 @@ class UnsupportedFeatures {
 
     try <error descr="Try-with-resources are not supported at this language level">(Reader r = new FileReader("/dev/null"))</error> { }
 
-    I i = <error descr="Method references are not supported at this language level">UnsupportedFeatures::m</error>;
+    I i1 = <error descr="Method references are not supported at this language level">UnsupportedFeatures::m</error>;
+    I i2 = <error descr="Lambda expressions are not supported at this language level">() -> { }</error>;
   }
 
   interface I {

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/advHighlighting7/LambdaExpressions.java

@@ -0,0 +1,28 @@
+/*
+ * Copyright 2000-2012 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+class C {
+  interface Simplest {
+    void m();
+  }
+  void simplest() { }
+  void use(Simplest s) { }
+
+  void test() {
+    Simplest simplest = <weak_warning descr="Lambda expressions type check is not yet implemented">() -> { }</weak_warning>;
+    use(<weak_warning descr="Lambda expressions type check is not yet implemented">() -> { }</weak_warning>);
+  }
+}