fix hwb color space tests

Author: lichtkind

lib/Graphics/Toolkit/Color/Space/Instance/HWB.pm

@@ -15,7 +15,7 @@ my $hwb_def = Graphics::Toolkit::Color::Space->new( axis => [qw/hue whiteness bl
 
 
 sub from_rgb {
-    my ($r, $g, $b) = @_;
+    my ($r, $g, $b) = @{$_[0]};
     my $vmax = max($r, $g, $b);
     my $white = my $vmin = min($r, $g, $b);
     my $black = 1 - ($vmax);
@@ -31,7 +31,7 @@ sub from_rgb {
 
 
 sub to_rgb {
-    my ($h, $w, $b) = @_;
+    my ($h, $w, $b) = @{$_[0]};
     return (0, 0, 0) if $b == 1;
     return (1, 1, 1) if $w == 1;
     my $v = 1 - $b;

t/16_hwb_space.t

@@ -13,7 +13,7 @@ use Graphics::Toolkit::Color::Space::Util ':all';
 is( not($@), 1, 'could load the module');
 is( ref $def, 'Graphics::Toolkit::Color::Space', 'got tight return value by loading module');
 is( $def->name,       'HWB',                     'color space has right name');
-is( $def->dimensions,     3,                     'color space has 3 dimensions');
+is( $def->axis,           3,                     'color space has 3 axis');
 is( ref $def->in_range([0, 0, 0]),     'ARRAY',   'check HWB values works on lower bound values');
 is( ref $def->in_range([360,100,100]), 'ARRAY',   'check HWB values works on upper bound values');
 is( ref $def->in_range([0,0]),              '',   "HWB got too few values");