New.

diff --git a/t/21-option-callback.t b/t/21-option-callback.t
new file mode 100644 (file)
index 0000000..5eb94af
--- /dev/null
+++ b/t/21-option-callback.t
@@ -0,0 +1,59 @@
+# $Id: 21-option-callback.t,v 1.1 2005-10-24 16:42:31 mike Exp $
+
+# Before `make install' is performed this script should be runnable with
+# `make test'. After `make install' it should work as `perl 21-option-calback.t'
+
+use strict;
+use warnings;
+use Test::More tests => 19;
+BEGIN { use_ok('ZOOM') };
+
+# This callback function provides values only options whose names
+# begin with consonants, in which case the value is the option name
+# concatenated with a hyphen and the value of the user-data that was
+# lodged along with the callback.
+#
+sub f_option {
+    my($udata, $name) = @_;
+
+    return undef if $name =~ /^[aeiou]/;
+    return "$name-$udata";
+}
+
+my $o1 = new ZOOM::Options();
+$o1->set_callback("main::f_option", "xyz");
+$o1->option(isisaurus => "was titanosaurus");
+
+check($o1, "apatosaurus", undef);
+check($o1, "brachiosaurus", "brachiosaurus-xyz");
+check($o1, "camarasaurus", "camarasaurus-xyz");
+check($o1, "diplodocus", "diplodocus-xyz");
+check($o1, "euhelopus", undef);
+check($o1, "futalognkosaurus", "futalognkosaurus-xyz");
+check($o1, "gigantosaurus", "gigantosaurus-xyz");
+check($o1, "haplocanthosaurus", "haplocanthosaurus-xyz");
+check($o1, "isisaurus", "was titanosaurus");
+check($o1, "janenschia", "janenschia-xyz");
+
+my $o2 = new ZOOM::Options();
+$o2->set_callback("main::f_option", "abc");
+check($o2, "apatosaurus", undef);
+check($o2, "brachiosaurus", "brachiosaurus-abc");
+check($o2, "kxxxxxxxxxxxxx", "kxxxxxxxxxxxxx-abc");
+check($o2, "limaysaurus", "limaysaurus-abc");
+check($o2, "mamenchisaurus", "mamenchisaurus-abc");
+check($o2, "nurosaurus", "nurosaurus-abc");
+check($o2, "omeisaurus", undef);
+check($o2, "patagosaurus", "patagosaurus-abc");
+
+sub check {
+    my($opts, $key, $expected) = @_;
+
+    my $val = $opts->option($key);
+    #print "$opts($key) ", (defined $val ? "= '$val'" : "undefined"), "\n";
+    if (defined $expected) {
+       ok ($val eq $expected, "value for '$key' is '$val'");
+    } else {
+       ok (!defined $val, "no value for '$key'");
+    }
+}