Fixed Rect usage

[sdlgit/SDL_perl.git] / t / sdlgamerect.t

use Test::More tests => 87;
use strict;

use_ok( 'SDL::Game::Rect' ); 
  
can_ok ('SDL::Game::Rect', qw/
	new
	x 
	y 
	width 
	height
	w
	h
	top
	left
	centerx
	centery
	 /);

my $rect = SDL::Game::Rect->new();

isa_ok ($rect, 'SDL::Game::Rect','new went ok');

foreach my $attr (qw(x y top    left  width   height 
                     w h bottom right centerx centery)
                 ) {
    is ($rect->$attr, 0, "$attr is 0");
}

# set and get at the same time (and testing method aliases)
is ($rect->left(15), 15, 'left is now 15');
is ($rect->x, 15, 'x and left point to the same place');
is ($rect->x(12), 12, 'x is now 12');
is ($rect->left, 12, 'left is an alias to x');

is ($rect->top(132), 132, 'top is now 132');
is ($rect->y, 132, 'y and top point to the same place');
is ($rect->y(123), 123, 'y is now 123');
is ($rect->top, 123, 'top is an alias to y');

is ($rect->w(54), 54, 'w is now 54');
is ($rect->width, 54, 'w and width point to the same place');
is ($rect->width(45), 45, 'w is now 45');
is ($rect->w, 45, 'w is an alias to width');

is ($rect->h(76), 76, 'h is now 76');
is ($rect->height, 76, 'h and height point to the same place');
is ($rect->height(67), 67, 'h is now 67');
is ($rect->h, 67, 'h is an alias to height');

# get alone
is ($rect->x(), 12, 'x is 12');
is ($rect->left(), 12, 'left is 12');
is ($rect->y(), 123, 'y is 123');
is ($rect->top(), 123, 'top is 123');
is ($rect->width(), 45, 'width is 45');
is ($rect->w(), 45, 'w is 45');
is ($rect->height(), 67, 'height is 67');
is ($rect->h(), 67, 'h is 67');

# other helpers
is ($rect->bottom, 190, 'bottom should be relative to heigth and top');
is ($rect->bottom(189), 189, 'changing bottom value');
is ($rect->bottom, 189, 'checking bottom value again');
is ($rect->top, 122, 'top value should have been updated after bottom change');
is ($rect->height, 67, 'height should have stayed the same');

is ($rect->centery, 155, 'checking vertical center');
is ($rect->centery(154), 154, 'changing centery value');
is ($rect->centery, 154, 'checking centery value again');
is ($rect->top, 121, 'top value should have been updated after centery change');
is ($rect->height, 67, 'height should have stayed the same');

is ($rect->right, 57, 'right should be relative to width and left');
is ($rect->right(56), 56, 'changing right value');
is ($rect->right, 56, 'checking right value again');
is ($rect->left, 11, 'left value should have been updated after bottom change');
is ($rect->width, 45, 'width should have stayed the same');

is ($rect->centerx, 33, 'checking horizontal center');
is ($rect->centerx(32), 32, 'changing centerx value');
is ($rect->centerx, 32, 'checking centerx value again');
is ($rect->left, 10, 'left value should have been updated after bottom change');
is ($rect->width, 45, 'width should have stayed the same');

# checking two-valued accessors
can_ok ('SDL::Game::Rect', qw/
    size
	center
	topleft
	midleft
	bottomleft
	topright
	midright
	bottomright
	midtop
	midbottom
	 /);


is_deeply ( [$rect->center], [32, 154], 'checking center pair');
$rect->center(undef, undef);
is($rect->centerx, 32, 'center() does nothing when passed undef');
is($rect->centery, 154, 'center() does nothing when passed undef');
$rect->center(undef, 200);
is($rect->centerx, 32, 'center() does nothing for X when passed undef');
is($rect->centery, 200, 'center() works on one-parameter (y)');
$rect->center(7, undef);
is($rect->centerx, 7, 'center() works on one-parameter (x)');
is($rect->centery, 200, 'center() does nothing for Y when passed undef');
$rect->center(32, 154);
is($rect->centerx, 32, 'center() can be used as an acessor for x');
is($rect->centery, 154, 'center() can be used as an acessor for y');

is_deeply ( [$rect->topleft], [121, 10], 'checking topleft pair');
$rect->topleft(undef, undef);
is($rect->top, 121, 'topleft() does nothing when passed undef');
is($rect->left, 10, 'topleft() does nothing when passed undef');
$rect->topleft(undef, 200);
is($rect->top, 121, 'topleft() does nothing for Y when passed undef');
is($rect->left, 200, 'topleft() works on one-parameter (x)');
$rect->topleft(7, undef);
is($rect->top, 7, 'topleft() works on one-parameter (y)');
is($rect->left, 200, 'topleft() does nothing for X when passed undef');
$rect->topleft(121, 10);
is($rect->top, 121, 'topleft() can be used as an acessor for y');
is($rect->left, 10, 'topleft() can be used as an acessor for x');

is_deeply ( [$rect->midleft], [154, 10], 'checking midleft pair');
$rect->midleft(undef, undef);
is($rect->centery, 154, 'midleft() does nothing when passed undef');
is($rect->left, 10, 'midleft() does nothing when passed undef');
$rect->midleft(undef, 200);
is($rect->centery, 154, 'midleft() does nothing for Y when passed undef');
is($rect->left, 200, 'midleft() works on one-parameter (x)');
$rect->midleft(7, undef);
is($rect->centery, 7, 'midleft() works on one-parameter (y)');
is($rect->left, 200, 'midleft() does nothing for X when passed undef');
$rect->midleft(154, 10);
is($rect->centery, 154, 'midleft() can be used as an acessor for y');
is($rect->left, 10, 'midleft() can be used as an acessor for x');