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langtools/test/tools/javac/foreach/IntersectIterator.java

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+/*
+ * Copyright 2004 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 5003207
+ * @summary new "for" statement  fails to cast to second upper bound
+ * @author gafter
+ *
+ * @compile -source 1.5 IntersectIterator.java
+ * @run main IntersectIterator
+ */
+
+import java.util.*;
+
+interface A {}
+interface B<T> extends Iterable<T> {}
+interface X {}
+
+class C extends ArrayList<String> implements A, B<String> {
+    C() {
+        super(Arrays.<String>asList(new String[] {"Hello", "world"}));
+    }
+}
+
+class D implements A, X {
+    final String s;
+    D(String s) {
+        this.s = s;
+    }
+    public String toString() {
+        return s;
+    }
+}
+
+public class IntersectIterator {
+
+    static
+    <T extends A & B<String>>
+    void f(T t) {
+        for (String s : t) System.out.println(s);
+    }
+    static
+    <T extends A & X>
+    void f(Iterable<T> t) {
+        for (A a : t) System.out.println(a);
+        for (X x : t) System.out.println(x);
+    }
+
+    public static void main(String[] args) {
+        f(new C());
+        f(Arrays.<D>asList(new D[] {new D("Hello"), new D("world")}));
+    }
+}