1 files changed, 41 insertions, 0 deletions
diff --git a/gnu/usr.bin/perl/ext/Sys/Syslog/t/constants.t b/gnu/usr.bin/perl/ext/Sys/Syslog/t/constants.t
new file mode 100755
index 00000000000..d7c7b0c7dfe
--- /dev/null
+++ b/gnu/usr.bin/perl/ext/Sys/Syslog/t/constants.t
@@ -0,0 +1,41 @@
+#!/usr/bin/perl -T
+use strict;
+use File::Spec;
+use Test::More;
+
+my $macrosall = $ENV{PERL_CORE} ? File::Spec->catfile(qw(.. ext Sys Syslog macros.all))
+                                : 'macros.all';
+open(MACROS, $macrosall) or plan skip_all => "can't read '$macrosall': $!";
+my @names = map {chomp;$_} <MACROS>;
+close(MACROS);
+plan tests => @names * 2 + 2;
+
+my $callpack = my $testpack = 'Sys::Syslog';
+eval "use $callpack";
+
+eval "${callpack}::This()";
+like( $@, "/^This is not a valid $testpack macro/", "trying a non-existing macro");
+
+eval "${callpack}::NOSUCHNAME()";
+like( $@, "/^NOSUCHNAME is not a valid $testpack macro/", "trying a non-existing macro");
+
+# Testing all macros
+if(@names) {
+    for my $name (@names) {
+        SKIP: {
+            $name =~ /^(\w+)$/ or skip "invalid name '$name'", 2;
+            $name = $1;
+            my $v = eval "${callpack}::$name()";
+
+            if(defined($v) && $v =~ /^\d+$/) {
+                is( $@, '', "calling the constant $name as a function" );
+                like( $v, '/^\d+$/', "checking that $name is a number ($v)" );
+
+            } else {
+                like( $@, "/^Your vendor has not defined $testpack macro $name/", 
+                    "calling the constant via its name" );
+                skip "irrelevant test in this case", 1
+            }
+        }
+    }
+}