wp/tests/phpunit/tests/formatting/isoDescrambler.php

<?php

/**
 * @group formatting
 */
class Test_WP_ISO_Descrambler extends WP_UnitTestCase {
	/*
	 * Decodes text in RFC2047 "Q"-encoding, e.g.
	 * =?iso-8859-1?q?this=20is=20some=20text?=
	*/
	function test_decodes_iso_8859_1_rfc2047_q_encoding() {
		$this->assertSame( 'this is some text', wp_iso_descrambler( '=?iso-8859-1?q?this=20is=20some=20text?=' ) );
	}
}