FYI: PR#27311 test

FYI: PR#27311 test

[Andrew John Hughes]

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The attached test checks for the bug mentioned in PR#27311.

Changelog:

2006-05-07  Andrew John Hughes  <gnu_andrew@member.fsf.org>

	* gnu/testlet/java/text/DecimalFormat/PR27311.java:
	Test for the bug in PR#27311.

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Index: gnu/testlet/java/text/DecimalFormat/PR27311.java
===================================================================
RCS file: gnu/testlet/java/text/DecimalFormat/PR27311.java
diff -N gnu/testlet/java/text/DecimalFormat/PR27311.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ gnu/testlet/java/text/DecimalFormat/PR27311.java	7 May 2006 19:48:52 -0000
@@ -0,0 +1,53 @@
+// Tags: JDK1.2
+
+// Copyright (C) 2006 Andrew John Hughes <gnu_andrew@member.fsf.org>
+
+// 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, 59 Temple Place - Suite 330,
+// Boston, MA 02111-1307, USA.  */
+
+package gnu.testlet.java.text.DecimalFormat;
+
+import gnu.testlet.TestHarness;
+import gnu.testlet.Testlet;
+
+import java.text.DecimalFormat;
+import java.text.DecimalFormatSymbols;
+import java.util.Locale;
+
+/*
+ * This test is based on PR27311, where
+ * formatting 0.0E00 using the format 0.0#####E0
+ * produced 0.0E--9223372036854775808.  This was down
+ * to incorrect use of the logarithm function in 
+ * calculating the exponent.  The log of 0 is negative
+ * infinity, which explains the bizarre output.
+ *
+ * @author Andrew John Hughes (gnu_andrew@member.fsf.org)
+ */
+public class PR27311
+  implements Testlet
+{
+  public void test(TestHarness harness)
+  {
+    DecimalFormatSymbols dfs = new DecimalFormatSymbols(Locale.ENGLISH);
+    DecimalFormat nf = new DecimalFormat("0.0#####E00", dfs);
+    nf.setGroupingUsed(false);
+    String result = nf.format(0.0E00);
+    harness.check(result.equals("0.0E00"),result);
+  }
+}
+

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