public function test_formatters()
{
$this->assertEquals('foohoo boo', Formatter::to_lower('FooHoo Boo'));
$this->assertEquals('FOOHOO BOO', Formatter::to_upper('FooHoo Boo'));
$this->assertEquals('Foohoo boo', Formatter::to_upper_first('foohoo boo'));
$this->assertEquals('Foohoo Boo', Formatter::to_upper_words('foohoo boo'));
$this->assertEquals('foo', Formatter::trim(' foo '));
$this->assertEquals('1', Formatter::truncate('1234567890', 1));
$this->assertEquals('1234', Formatter::truncate('1234567890', 4));
}
