/**
* Tests converting camelCase to snake_case
* @covers \Copycat\System\Charset::convertCamelSnake()
*/
public function testConvertCamelSnake()
{
$this->assertEmpty(Charset::convertCamelSnake(''));
$this->assertEquals('foo', Charset::convertCamelSnake('foo'));
$this->assertEquals('foo_bar', Charset::convertCamelSnake('fooBar'));
$this->assertEquals('foo_bar', Charset::convertCamelSnake('FooBar'));
}