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Date: Sun, 07 Aug 2011 11:00:00 -0000
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Subject: Re: [PATCH] [JAVA] Double.parseDouble(null) throw NullPointerException
From: Jie Liu <lj8175@gmail.com>
To: gcc-patches@gcc.gnu.org, java-patches@gcc.gnu.org
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Hi,

When I use gcj on an RTOS(RTEMS), Double.parseDouble(null) throw
NumberFormatException, but it should throw NullPointerException. So I
add the patch below:

Index: natVMDouble.cc
===================================================================
--- natVMDouble.cc	(revision 172224)
+++ natVMDouble.cc	(working copy)
@@ -19,6 +19,7 @@
 #include <java/lang/VMDouble.h>
 #include <java/lang/Character.h>
 #include <java/lang/NumberFormatException.h>
+#include <java/lang/NullPointerException.h>
 #include <jvm.h>

 #include <stdio.h>
@@ -162,6 +163,9 @@
 jdouble
 java::lang::VMDouble::parseDouble(jstring str)
 {
+  if(str == NULL)
+      throw new NullPointerException();
+
   int length = str->length();

   while (length > 0

The testsuite/Throw_2.java has been PASS after this patch. what do you
think about this patch?

Thanks,
Jie