--- /dev/null
+BEGIN{ $^W = 0 }
+use strict;
+
+use Test::More tests => 5;
+
+use lib 't';
+use mock;
+mock::reset;
+
+my $CLASS = 'Excel::Template';
+use_ok( $CLASS );
+
+my $object = $CLASS->new(
+ filename => 't/026_vars_in_format.xml',
+);
+isa_ok( $object, $CLASS );
+
+ok(
+ $object->param(
+ loopy => [
+ { value => 1, color => 'red' },
+ { value => 2, color => 'green' },
+ { value => 3, color => 'yellow' },
+ ],
+ ),
+ 'Parameters set',
+);
+
+ok( $object->write_file( 'filename' ), 'Something returned' );
+
+my @calls = mock::get_calls;
+is( join( $/, @calls, '' ), <<__END_EXPECTED__, 'Calls match up' );
+Spreadsheet::WriteExcel::new( 'filename' )
+Spreadsheet::WriteExcel::add_format( '' )
+Spreadsheet::WriteExcel::add_worksheet( 'loops' )
+Spreadsheet::WriteExcel::Worksheet::new( '' )
+Spreadsheet::WriteExcel::add_format( 'bg_color', 'red' )
+Spreadsheet::WriteExcel::Worksheet::write( '0', '0', '1', '2' )
+Spreadsheet::WriteExcel::add_format( 'bg_color', 'green' )
+Spreadsheet::WriteExcel::Worksheet::write( '0', '1', '2', '3' )
+Spreadsheet::WriteExcel::add_format( 'bg_color', 'yellow' )
+Spreadsheet::WriteExcel::Worksheet::write( '0', '2', '3', '4' )
+Spreadsheet::WriteExcel::close( '' )
+__END_EXPECTED__