Test for wpautop function > http://ja.forums.wordpress.org/topic/24066

gistfile1.txt

<?php 
class WpautopTest extends PHPUnit_Framework_TestCase {

    function autop_provider()
    {
        return array(
            array("<div>abcde\n\n</div>","<div>abcde\n</div>\n"),
            array("<section>abcde\n\n</section>","<section>abcde\n</section>\n"),
        );
    }

    /**
     * @dataProvider autop_provider
     */
    function test_double_nl($input,$expected)
    {
        $output = wpautop($input);
        $this->assertEquals($expected, $output);
    }  
}