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#!/usr/bin/perl -w
use strict;
use Test::More tests => 18;
use Wx;
use Wx::DocView;
my %did = ();
my $cp = Wx::CommandProcessor->new;
my $cmd = CP1->new( 0, 'first' );
ok( $cp->Submit( $cmd ) );
undef $cmd;
is( $did{first}, 1 );
ok( !$cp->CanUndo );
ok( $cp->Submit( CP1->new( 1, 'first' ) ) );
is( $did{first}, 2 );
ok( $cp->CanUndo );
ok( !$cp->Submit( CP2->new ) );
ok( $cp->Submit( CP1->new( 1, 'second' ) ) );
is( $did{second}, 1 );
ok( $cp->CanUndo );
# check ownership
my @cmds = $cp->GetCommands;
is_deeply( [ map $_->GetName, @cmds ], [ qw(first first second) ] );
undef @cmds;
ok( $cp->Undo );
is( $did{second}, 0 );
ok( $cp->Undo );
is( $did{first}, 1 );
ok( $cp->Redo );
is( $did{first}, 2 );
undef $cp;
{
package CP1;
use base qw(Wx::PlCommand);
sub Do {
my( $self ) = @_;
++$did{$self->GetName};
return 1;
}
sub Undo {
my( $self ) = @_;
--$did{$self->GetName};
return 1;
}
}
{
package CP2;
use base qw(Wx::PlCommand);
sub Do {
main::ok( 1, __PACKAGE__ . '::Do' );
return 0;
}
}
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