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

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+/*
+ * Copyright 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 4911157
+ * @summary Runtime error because of missing method in iterator
+ * @author gafter
+ *
+ * @compile -source 1.5 SpecIterable.java
+ * @run main SpecIterable
+ */
+
+import java.util.Iterator;
+
+/* The problem occurs when we have a class that extends a specialized
+ * iterator */
+public class SpecIterable implements Iterable<String> {
+    public static void main(String[] args) {
+        int i = 0;
+        for (String s : new SpecIterable()) {
+            if (i++ == 4) break;
+            System.out.println(s);
+        }
+        System.out.println("passed");
+    }
+
+    public Iterator<String> iterator() {
+        return new Iterator<String>() {
+                public void remove() {}
+                public boolean hasNext() { return true; }
+                public String next() { return "a"; }
+            };
+    }
+}