1 files changed, 48 insertions, 0 deletions
diff --git a/dist/Math-BigInt/t/lib_load.t b/dist/Math-BigInt/t/lib_load.t
new file mode 100644
index 0000000000..ab3cf2a95e
--- /dev/null
+++ b/dist/Math-BigInt/t/lib_load.t
@@ -0,0 +1,48 @@
+#!/usr/bin/perl -w
+
+use Test::More;
+use strict;
+
+BEGIN
+  {
+  $| = 1;
+  # to locate the testing files
+  my $location = $0; $location =~ s/sub_mbf.t//i;
+  unshift @INC, '../lib';
+  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 => 4;
+  }
+
+# first load BigInt with Calc
+use Math::BigInt lib => 'Calc';
+
+# BigFloat will remember that we loaded Calc
+require Math::BigFloat;
+is (Math::BigFloat::config()->{lib}, 'Math::BigInt::Calc', 'BigFloat got Calc');
+
+# now load BigInt again with a different lib
+Math::BigInt->import( lib => 'BareCalc' );
+
+# and finally test that BigFloat knows about BareCalc
+
+is (Math::BigFloat::config()->{lib}, 'Math::BigInt::BareCalc', 'BigFloat was notified');
+
+# See that Math::BigFloat supports "only"
+eval "Math::BigFloat->import('only' => 'Calc')";
+is (Math::BigFloat::config()->{lib}, 'Math::BigInt::Calc', '"only" worked');
+
+# See that Math::BigFloat supports "try"
+eval "Math::BigFloat->import('try' => 'BareCalc')";
+is (Math::BigFloat::config()->{lib}, 'Math::BigInt::BareCalc', '"try" worked');
+