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langtools/test/tools/javac/FinalIntConcatenation.java

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+/*
+ * Copyright 1998 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 4106244
+ * @summary Final ints were getting incorrectly evaluated at compile time
+ *          to the value null when they were used as a part of a constant
+ *          String concatenation.
+ * @author turnidge
+ *
+ * @compile FinalIntConcatenation.java
+ * @run main FinalIntConcatenation
+ */
+
+public class FinalIntConcatenation {
+    public static void main(String[] args) throws Exception {
+        final int i = 7;
+        String s = "" + i;
+        if (s.indexOf("null",0) != -1) {
+            throw new Exception(
+                  "incorrect compile-time evaluation of final int");
+        }
+    }
+}