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Patch: FYI: add ulp tests
- From: Tom Tromey <tromey at redhat dot com>
- To: Mauve Patch List <mauve-patches at sources dot redhat dot com>
- Date: 06 Mar 2006 17:46:40 -0700
- Subject: Patch: FYI: add ulp tests
- Reply-to: tromey at redhat dot com
I'm checking this in.
This adds some new tests for Math.ulp. I'll check in the
implementation of these methods shortly.
Tom
2006-03-06 Tom Tromey <tromey@redhat.com>
* gnu/testlet/java/lang/Math/ulp.java: New file.
Index: gnu/testlet/java/lang/Math/ulp.java
===================================================================
RCS file: gnu/testlet/java/lang/Math/ulp.java
diff -N gnu/testlet/java/lang/Math/ulp.java
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ gnu/testlet/java/lang/Math/ulp.java 1 Jan 1970 00:00:00 -0000
@@ -0,0 +1,44 @@
+/* ulp.java -- Test the ulp method
+ 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: JDK1.5
+
+package gnu.testlet.java.lang.Math;
+
+import gnu.testlet.TestHarness;
+import gnu.testlet.Testlet;
+
+public class ulp implements Testlet {
+
+ public void test(TestHarness harness) {
+ harness.check(Math.ulp(0.0), Double.MIN_VALUE);
+ harness.check(Math.ulp(Double.NaN), Double.NaN);
+ harness.check(Math.ulp(Double.MAX_VALUE), Math.pow(2.0, 971));
+ harness.check(Math.ulp(Double.NEGATIVE_INFINITY), Double.POSITIVE_INFINITY);
+ harness.check(Math.ulp(Double.MIN_VALUE), Double.MIN_VALUE);
+
+ harness.check(Math.ulp(0.0f), Float.MIN_VALUE);
+ harness.check(Math.ulp(Float.NaN), Float.NaN);
+ harness.check(Math.ulp(Float.MAX_VALUE), Math.pow(2.0, 104));
+ harness.check(Math.ulp(Float.NEGATIVE_INFINITY), Float.POSITIVE_INFINITY);
+ harness.check(Math.ulp(Float.MIN_VALUE), Float.MIN_VALUE);
+ }
+}