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Patch: FYI: modPow test
- From: Tom Tromey <tromey at redhat dot com>
- To: Mauve Patch List <mauve-patches at sources dot redhat dot com>
- Date: 26 May 2006 19:04:24 -0600
- Subject: Patch: FYI: modPow test
- Reply-to: tromey at redhat dot com
I'm checking this in.
This tests for a BigInteger.modPow bug.
Tom
2006-05-26 Tom Tromey <tromey@redhat.com>
* gnu/testlet/java/math/BigInteger/modPow.java: New file.
Index: gnu/testlet/java/math/BigInteger/modPow.java
===================================================================
RCS file: gnu/testlet/java/math/BigInteger/modPow.java
diff -N gnu/testlet/java/math/BigInteger/modPow.java
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ gnu/testlet/java/math/BigInteger/modPow.java 1 Jan 1970 00:00:00 -0000
@@ -0,0 +1,45 @@
+/* modPow.java -- tests for modPow
+ Copyright (C) 2006 Red Hat, Inc.
+This file is part of Mauve.
+
+Mauve is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+Mauve 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with Mauve; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+*/
+
+// Tags: JDK1.1
+
+package gnu.testlet.java.math.BigInteger;
+
+import java.math.BigInteger;
+
+import gnu.testlet.TestHarness;
+import gnu.testlet.Testlet;
+
+public class modPow implements Testlet {
+
+ public void test(TestHarness harness) {
+ BigInteger ten = BigInteger.valueOf(10);
+ BigInteger three = BigInteger.valueOf(3);
+ BigInteger five = BigInteger.valueOf(5);
+ BigInteger minusFive = five.negate();
+ BigInteger seven = BigInteger.valueOf(7);
+
+ harness.check(three.modPow(five, ten), three);
+ harness.check(three.modPow(minusFive, ten), seven);
+ harness.check(three.modPow(three.negate(), ten), three);
+ }
+
+}