test/langtools/tools/javac/lambda/methodReferenceExecution/MethodReferenceUnionTypeTest.java
changeset 47880 bbd692ad4fa3
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/langtools/tools/javac/lambda/methodReferenceExecution/MethodReferenceUnionTypeTest.java	Wed Nov 22 18:07:53 2017 +0530
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 8191655
+ * @summary LambdaConversionException: Invalid receiver type interface; not a subtype of implementation type interface
+ * @run main MethodReferenceUnionTypeTest
+ */
+
+import java.util.function.Consumer;
+public class MethodReferenceUnionTypeTest {
+   static String blah = "NONE";
+   <T> void forAll(Consumer<T> consumer, T value) { consumer.accept(value); }
+
+   public void secondTest() {
+       try {
+          throwing();
+        } catch (A | B ex) {
+            forAll(Picture::draw, ex);
+        }
+   }
+
+   void throwing() throws A, B { throw new A();}
+
+   interface Shape { void draw(); }
+   interface Marker { }
+   interface Picture { void draw();  }
+
+   class A extends Exception implements Marker, Picture { public void draw() { blah = "A"; }}
+   class B extends Exception implements Marker, Picture, Shape { public void draw() {}}
+
+   public static void main(String[] args) {
+       new MethodReferenceUnionTypeTest().secondTest();
+       if (!blah.equals("A"))
+            throw new AssertionError("Incorrect output");
+   }
+}
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