Tests text without format.
Tests if text with no format is filtered the same way as text in the fallback format.
function testCheckMarkupNoFormat() {
// Create some text. Include some HTML and line breaks, so we get a good
// test of the filtering that is applied to it.
$text = "<strong>" . $this
->randomName(32) . "</strong>\n\n<div>" . $this
->randomName(32) . "</div>";
// Make sure that when this text is run through check_markup() with no text
// format, it is filtered as though it is in the fallback format.
$this
->assertEqual(check_markup($text), check_markup($text, filter_fallback_format()), 'Text with no format is filtered the same as text in the fallback format.');
}