Lost in the shuffle.

p4raw-id: //depot/perl@14923

diff --git a/MANIFEST b/MANIFEST
index 43a9e7d..33de6c2 100644 (file)
--- a/MANIFEST
+++ b/MANIFEST
@@ -1144,6 +1144,7 @@ lib/Math/BigInt/t/bigintpm.t      See if BigInt.pm works
 lib/Math/BigInt/t/calling.t    Test calling conventions
 lib/Math/BigInt/t/config.t     Test Math::BigInt->config()
 lib/Math/BigInt/t/constant.t   Test Math::BigInt/BigFloat under :constant
+lib/Math/BigInt/t/downgrade.t  Test if use Math::BigInt(); under downgrade works
 lib/Math/BigInt/t/inf_nan.t    Special tests for inf and NaN handling
 lib/Math/BigInt/t/mbimbf.inc   Actual BigInt/BigFloat accuracy, precicion and fallback, round_mode tests
 lib/Math/BigInt/t/mbimbf.t     BigInt/BigFloat accuracy, precicion and fallback, round_mode

diff --git a/lib/Math/BigInt/t/downgrade.t b/lib/Math/BigInt/t/downgrade.t
new file mode 100644 (file)
index 0000000..1309894
--- /dev/null
+++ b/lib/Math/BigInt/t/downgrade.t
@@ -0,0 +1,39 @@
+#!/usr/bin/perl -w
+
+use Test;
+use strict;
+
+BEGIN
+  {
+  $| = 1;
+  unshift @INC, '../lib'; # for running manually
+  my $location = $0; $location =~ s/bigintpm.t//;
+  unshift @INC, $location; # to locate the testing files
+  chdir 't' if -d 't';
+  plan tests => 10;
+  }
+
+use Math::BigInt;
+use Math::BigFloat downgrade => 'Math::BigInt', upgrade => 'Math::BigInt';
+
+use vars qw ($scale $class $try $x $y $f @args $ans $ans1 $ans1_str $setup
+             $ECL $CL);
+$class = "Math::BigInt";
+$CL = "Math::BigInt::Calc";
+$ECL = "Math::BigFloat";
+
+# simplistic test for now 
+ok (Math::BigFloat->downgrade(),'Math::BigInt');
+ok (Math::BigFloat->upgrade(),'Math::BigInt');
+
+# these downgrade
+ok (ref(Math::BigFloat->new('inf')),'Math::BigInt');
+ok (ref(Math::BigFloat->new('-inf')),'Math::BigInt');
+ok (ref(Math::BigFloat->new('NaN')),'Math::BigInt');
+ok (ref(Math::BigFloat->new('0')),'Math::BigInt');
+ok (ref(Math::BigFloat->new('1')),'Math::BigInt');
+ok (ref(Math::BigFloat->new('10')),'Math::BigInt');
+ok (ref(Math::BigFloat->new('-10')),'Math::BigInt');
+ok (ref(Math::BigFloat->new('-10.0E1')),'Math::BigInt');
+
+#require 'upgrade.inc';        # all tests here for sharing