58 lines
1.4 KiB
Java
58 lines
1.4 KiB
Java
|
// Check that NullPointerExceptions thrown from library code are
|
||
|
|
// caught. This detects a number of failures that can be caused by
|
||
|
|
// libgcj being built incorrectly. In particular, we ensure that a
|
||
|
|
// SEGV in native (i.e. C++) code in libgcj is handled correctly.
|
||
|
|
|
||
|
|
// Regrettably, we cannot guarantee that Double.parseDouble() will
|
||
|
|
// always be native code, or that it will never be inlined. It could
|
||
|
|
// be argued that we should add a method to libgcj that will be
|
||
|
|
// guaranteed forever to be native, but I'm reluctant to add to the
|
||
|
|
// library for the sole purpose of performing this test.
|
||
|
|
|
||
|
|
public class Throw_2
|
||
|
|
{
|
||
|
|
public static Throwable obj()
|
||
|
|
{
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
public static String str()
|
||
|
|
{
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
static double d;
|
||
|
|
|
||
|
|
public static void main (String[] args)
|
||
|
|
{
|
||
|
|
// This NullPointerException will, at the time of writing, be
|
||
|
|
// thrown from Java code in libgcj.
|
||
|
|
try
|
||
|
|
{
|
||
|
|
java.util.Vector v = new java.util.Vector (null);
|
||
|
|
System.out.println ("fail: no exception thrown");
|
||
|
|
}
|
||
|
|
catch (NullPointerException _)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
catch (Throwable _)
|
||
|
|
{
|
||
|
|
System.out.println ("fail: " + _);
|
||
|
|
}
|
||
|
|
// This one will, at the time of writing, be thrown from C++
|
||
|
|
// code in libgcj.
|
||
|
|
try
|
||
|
|
{
|
||
|
|
d = Double.parseDouble(str());
|
||
|
|
System.out.println ("fail: no exception thrown");
|
||
|
|
}
|
||
|
|
catch (NullPointerException _)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
catch (Throwable _)
|
||
|
|
{
|
||
|
|
System.out.println ("fail: " + _);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|