Fix edge-case in media cropping where selection and destination are the same size.

Adds unit tests.

Props mboynes.
Fixes #19793.

Built from https://develop.svn.wordpress.org/trunk@30639


git-svn-id: http://core.svn.wordpress.org/trunk@30629 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/media.php

@@ -503,8 +503,9 @@ function image_resize_dimensions($orig_w, $orig_h, $dest_w, $dest_h, $crop = fal
 	}
 
 	// if the resulting image would be the same size or larger we don't want to resize it
-	if ( $new_w >= $orig_w && $new_h >= $orig_h )
+	if ( $new_w >= $orig_w && $new_h >= $orig_h && $dest_w != $orig_w && $dest_h != $orig_h ) {
 		return false;
+	}
 
 	// the return array matches the parameters to imagecopyresampled()
 	// int dst_x, int dst_y, int src_x, int src_y, int dst_w, int dst_h, int src_w, int src_h

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.1-beta2-30638';
+$wp_version = '4.1-beta2-30639';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.