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#!/usr/bin/perl
use v5.14;
use warnings;
use Test2::V0;
use String::Tagged;
my $begin = String::Tagged->new( "BEGIN" );
$begin->apply_tag( -1, 5, begin => 1 );
my $middle = String::Tagged->new( " middle " );
$middle->apply_tag( 1, 6, middle => 1 );
my $end = String::Tagged->new( "END" );
$end->apply_tag( 0, -1, end => 1 );
my $str = String::Tagged->new( $begin );
$str->append( $middle );
is( $str->str, "BEGIN middle ", 'str after first append' );
my @tags;
sub fetch_tags
{
my ( $start, $len, %tags ) = @_;
push @tags, [ $start, $len, map { $_ => $tags{$_} } sort keys %tags ]
}
$str->iter_tags_nooverlap( \&fetch_tags );
is( \@tags,
[
[ 0, 5, begin => 1 ],
[ 5, 1, ],
[ 6, 6, middle => 1 ],
[ 12, 1, ],
],
'tags list after first append' );
$str->append( $end );
is( $str->str, "BEGIN middle END", 'str after second append' );
undef @tags;
$str->iter_tags_nooverlap( \&fetch_tags );
is( \@tags,
[
[ 0, 5, begin => 1 ],
[ 5, 1, ],
[ 6, 6, middle => 1 ],
[ 12, 1, ],
[ 13, 3, end => 1 ],
],
'tags list after secondappend' );
$str = String::Tagged->new( $begin );
$str->insert( 0, $middle );
is( $str->str, " middle BEGIN", 'str after first prepend' );
undef @tags;
$str->iter_tags_nooverlap( \&fetch_tags );
is( \@tags,
[
[ 0, 1, begin => 1 ],
[ 1, 6, begin => 1, middle => 1 ],
[ 7, 6, begin => 1 ],
],
'tags list after first prepend' );
$str->insert( 0, $end );
is( $str->str, "END middle BEGIN", 'str after second prepend' );
undef @tags;
$str->iter_tags_nooverlap( \&fetch_tags );
is( \@tags,
[
[ 0, 3, begin => 1, end => 1 ],
[ 3, 1, begin => 1 ],
[ 4, 6, begin => 1, middle => 1 ],
[ 10, 6, begin => 1 ],
],
'tags list after second prepend' );
done_testing;
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