1 files changed, 43 insertions, 0 deletions
diff --git a/dist/Math-BigInt/t/req_mbfw.t b/dist/Math-BigInt/t/req_mbfw.t
new file mode 100644
index 0000000000..682b0cfb96
--- /dev/null
+++ b/dist/Math-BigInt/t/req_mbfw.t
@@ -0,0 +1,43 @@
+#!/usr/bin/perl -w
+
+# check that requiring BigFloat and then calling import() works
+
+use strict;
+use Test::More;
+
+BEGIN
+  {
+  $| = 1;
+  # to locate the testing files
+  my $location = $0; $location =~ s/req_mbfw.t//i;
+  unshift @INC, qw(../lib);     # to locate the modules
+  if (-d 't')
+    {
+    chdir 't';
+    require File::Spec;
+    unshift @INC, File::Spec->catdir(File::Spec->updir, $location);
+    }
+  else
+    {
+    unshift @INC, $location;
+    }
+  print "# INC = @INC\n";
+
+  plan tests => 3;
+  } 
+
+# normal require that calls import automatically (we thus have MBI afterwards)
+require Math::BigFloat;
+my $x = Math::BigFloat->new(1); ++$x;
+is ($x,2, '$x is 2');
+
+like (Math::BigFloat->config()->{with}, qr/^Math::BigInt::(Fast)?Calc\z/, 'with ignored' );
+
+# now override
+Math::BigFloat->import ( with => 'Math::BigInt::Subclass' );
+
+# the "with" argument is ignored
+like (Math::BigFloat->config()->{with}, qr/^Math::BigInt::(Fast)?Calc\z/, 'with ignored' );
+
+# all tests done
+