langtools/test/tools/javac/lambda/MethodReference42.java
changeset 14547 86d8d242b0c4
child 19914 d86271bd430a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/lambda/MethodReference42.java	Sat Nov 17 19:01:03 2012 +0000
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2012, 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 8003280
+ * @summary Add lambda tests
+ *  check that diamond inference is applied when using raw constructor reference qualifier
+ * @run main MethodReference42
+ */
+public class MethodReference42 {
+
+    static int assertionCount = 0;
+
+    static void assertTrue(boolean cond) {
+        assertionCount++;
+        if (!cond)
+            throw new AssertionError();
+    }
+
+    static class SuperFoo<X> { }
+
+    static class Foo<X extends Number> extends SuperFoo<X> { }
+
+    interface SAM1 {
+        SuperFoo<String> m();
+    }
+
+    interface SAM2 {
+        SuperFoo<Integer> m();
+    }
+
+    interface SAM3 {
+        SuperFoo<Object> m();
+    }
+
+    static void m(SAM1 s) { assertTrue(false); }
+    static void m(SAM2 s) { assertTrue(true); }
+    static void m(SAM3 s) { assertTrue(false); }
+
+    public static void main(String[] args) {
+        m(Foo::new);
+        assertTrue(assertionCount == 1);
+    }
+}