langtools/test/tools/javac/ShiftExpressionTest.java
changeset 10 06bc494ca11e
child 5520 86e4b9a9da40
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/ShiftExpressionTest.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,45 @@
+/*
+ * Copyright 1997-1998 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 4082814
+ * @summary Constant shift expressions whose left operands were of type
+ *          long were previously not evaluated correctly at compile-time.
+ *          This is for the most part invisible, but it can be detected
+ *          with the following test after 1.2beta1.
+ * @author turnidge
+ *
+ * @compile ShiftExpressionTest.java
+ * @run main ShiftExpressionTest
+ */
+
+public class ShiftExpressionTest {
+    public static void main(String[] args) throws Exception {
+        String s = "" + (0x0101L << 2) + (0x0101L >> 2) + (0x0101L >>> 2);
+        if (s.indexOf("null",0) != -1) {
+            throw new Exception(
+                  "incorrect compile-time evaluation of shift");
+        }
+    }
+}