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langtools/test/tools/javac/generics/Casting.java

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+/*
+ * Copyright 2001-2003 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/*
+ * @test
+ * @bug 4468840
+ * @summary generics problem with casting
+ * @author gafter
+ *
+ * @compile -source 1.5 Casting.java
+ */
+
+package test.tools.javac.generics.Casting;
+
+class Test {}
+
+class List<T> {
+    <T> T[] toArray(T[] a) { return null; }
+}
+
+public class Casting {
+    public static void main(String[] args) {
+        List<Test> l1 = null;
+        List<Test> l2 = (List<Test>)l1;
+    }
+}
+
+interface Map<K,V> {
+    void put(K k, V v);
+    V get(Object o);
+}
+interface Set<T> {
+    <T> T[] toArray(T[] a);
+}
+
+class Casting2 {
+     public static void main(String[] args){
+         Map<Integer,Set<Integer>> map = null;
+         if (map.get(new Integer(1)) == map.get(new Integer(2))) ;
+     }
+}