some formula'; $this->assertEquals($expected, $text->full_format($basic), 'text-tex-basic'); $outer = '[size=4][tex]some formula[/tex][/size]'; $expected = 'some formula'; $this->assertEquals($expected, $text->full_format($outer), 'text-tex-outer'); $nested = '[tex]some [b]formula[/b][/tex]'; $expected = 'some [b]formula[/b]'; $this->assertEquals($expected, $text->full_format($nested), 'text-tex-nested'); } }