--- /dev/null	Mon Jan 26 16:14:06 2009
+++ new/test/java/math/BigDecimal/PowTests.java	Mon Jan 26 16:14:05 2009
@@ -0,0 +1,98 @@
+/*
+ * 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 4916097
+ * @summary Some exponent over/undeflow tests for the pow method
+ * @author Joseph D. Darcy
+ * @compile -source 1.5 PowTests.java
+ * @run main PowTests
+ */
+
+import java.math.*;
+
+public class PowTests {
+    static int zeroAndOneTests() {
+        int failures = 0;
+
+        BigDecimal[][] testCases = {
+            {BigDecimal.valueOf(0, Integer.MAX_VALUE),  new BigDecimal(0),              BigDecimal.valueOf(1, 0)},
+            {BigDecimal.valueOf(0, Integer.MAX_VALUE),  new BigDecimal(1),              BigDecimal.valueOf(0, Integer.MAX_VALUE)},
+            {BigDecimal.valueOf(0, Integer.MAX_VALUE),  new BigDecimal(2),              BigDecimal.valueOf(0, Integer.MAX_VALUE)},
+            {BigDecimal.valueOf(0, Integer.MAX_VALUE),  new BigDecimal(999999999),      BigDecimal.valueOf(0, Integer.MAX_VALUE)},
+
+            {BigDecimal.valueOf(0, Integer.MIN_VALUE),  new BigDecimal(0),              BigDecimal.valueOf(1, 0)},
+            {BigDecimal.valueOf(0, Integer.MIN_VALUE),  new BigDecimal(1),              BigDecimal.valueOf(0, Integer.MIN_VALUE)},
+            {BigDecimal.valueOf(0, Integer.MIN_VALUE),  new BigDecimal(2),              BigDecimal.valueOf(0, Integer.MIN_VALUE)},
+            {BigDecimal.valueOf(0, Integer.MIN_VALUE),  new BigDecimal(999999999),      BigDecimal.valueOf(0, Integer.MIN_VALUE)},
+
+            {BigDecimal.valueOf(1, Integer.MAX_VALUE),  new BigDecimal(0),              BigDecimal.valueOf(1, 0)},
+            {BigDecimal.valueOf(1, Integer.MAX_VALUE),  new BigDecimal(1),              BigDecimal.valueOf(1, Integer.MAX_VALUE)},
+            {BigDecimal.valueOf(1, Integer.MAX_VALUE),  new BigDecimal(2),              null}, // overflow
+            {BigDecimal.valueOf(1, Integer.MAX_VALUE),  new BigDecimal(999999999),      null}, // overflow
+
+            {BigDecimal.valueOf(1, Integer.MIN_VALUE),  new BigDecimal(0),              BigDecimal.valueOf(1, 0)},
+            {BigDecimal.valueOf(1, Integer.MIN_VALUE),  new BigDecimal(1),              BigDecimal.valueOf(1, Integer.MIN_VALUE)},
+            {BigDecimal.valueOf(1, Integer.MIN_VALUE),  new BigDecimal(2),              null}, // underflow
+            {BigDecimal.valueOf(1, Integer.MIN_VALUE),  new BigDecimal(999999999),      null}, // underflow
+        };
+
+        for(BigDecimal[] testCase: testCases) {
+            int exponent = testCase[1].intValueExact();
+            BigDecimal result;
+
+            try{
+                result = testCase[0].pow(exponent);
+                if (!result.equals(testCase[2]) ) {
+                    failures++;
+                    System.err.println("Unexpected result while raising " +
+                                       testCase[0] +
+                                       " to the " + exponent + " power; expected " +
+                                       testCase[2] + ", got " + result + ".");
+                }
+            } catch (ArithmeticException e) {
+                if (testCase[2] != null) {
+                    failures++;
+                    System.err.println("Unexpected exception while raising " + testCase[0] +
+                                       " to the " + exponent + " power.");
+
+                }
+            }
+        }
+
+        return failures;
+    }
+
+    public static void main(String argv[]) {
+        int failures = 0;
+
+        failures += zeroAndOneTests();
+
+        if (failures > 0) {
+            throw new RuntimeException("Incurred " + failures +
+                                       " failures while testing pow methods.");
+        }
+    }
+
+}