use Statistics::RserveClient::Connection;

use Test::More tests => 12;

 SKIP: {
     eval {
	 my $object = Statistics::RserveClient::Connection->new('localhost');
	 if ( !ref ($object) || ! UNIVERSAL::can($object, 'can') ) {
	     die "Can't create a connection\n";
	 }
     };
     skip "Looks like Rserve is not reachable.  Skipping tests.", 12 if $@;

     my $cnx = new_ok( 'Statistics::RserveClient::Connection' => ['localhost'] );
     
     @expected_true_scalar = (1);
     @true_scalar          = $cnx->evalString('TRUE');
     is( @true_scalar, @expected_true_scalar, 'scalar TRUE value' )
	 or diag explain @true_scalar;
     
     @expected_false_scalar = (0);
     @false_scalar          = $cnx->evalString('FALSE');
     is( @false_scalar, @expected_false_scalar, 'scalar FALSE value' )
	 or diag explain @false_scalar;
     
     @expected_bool_vector = ( 1, 0 );
     @bool_vector = $cnx->evalString('c(TRUE, FALSE)');
     is( @bool_vector, @expected_bool_vector, 'boolean array' )
	 or diag explain @bool_vector;
     
     @expected_char_scalar = 'z';
     @char_scalar          = $cnx->evalString('letters[26]');
     is( $char_scalar, $expected_char_scalar, 'single-char string scalar' )
	 or diag explain $char_scalar;
     
     @expected_char_vector = ( 'a', 'b', 'c', 'd' );
     @char_vector = $cnx->evalString('letters[1:4]');
     is( @char_vector, @expected_char_vector, 'vector of single-char strings' )
	 or diag explain @char_vector;
     
     @expected_string_scalar = 'Dec';
     @string_scalar          = $cnx->evalString('month.abb[12]');
     is( $string_scalar, $expected_string_scalar, 'string scalar' )
	 or diag explain $string_scalar;
     
     @expected_string_vector = ( 'Jan', 'Feb', 'Mar' );
     @string_vector = $cnx->evalString('month.abb[1:3]');
     is( @string_vector, @expected_string_vector, 'vector of strings' )
	 or diag explain @string_vector;
     
     @expected_int_scalar = 123;
     @int_scalar          = $cnx->evalString('123L');
     is( @int_scalar, @expected_int_scalar, 'single-int scalar' )
	 or diag explain $int_scalar;
     
     @expected_int_vector = ( 101 .. 110 );
     @int_vector          = $cnx->evalString('101:110');
     is( @int_vector, @expected_int_vector, 'vector of ints' )
	 or diag explain @int_vector;
     
     @expected_double_scalar = 1.5;
     @double_scalar          = $cnx->evalString('1.5');
     is( @double_scalar, @expected_double_scalar, 'double scalar' )
	 or diag explain $double_scalar;
     
     @expected_double_vector = ( 0.5, 1, 1.5, 2 );
     @double_vector = $cnx->evalString('(1:4)/2');
     is( @double_vector, @expected_double_vector, 'vector of doubles' )
	 or diag explain @double_vector;
     
     done_testing($number_of_tests);
}