JBZoo\PHPUnit\DataTest::testIs PHP Method

    public function testIs()
    {
        $data = new Data(array('key' => 1, 'nested' => array('key' => null)));
        isTrue($data->is('key'));
        isTrue($data->is('key', '1'));
        isTrue($data->is('key', 1));
        isTrue($data->is('key', true));
        isTrue($data->is('key', 1, true));
        isTrue($data->is('nested.key', null, true));
        isTrue($data->is('nested.key', false));
        isFalse($data->is('key', '1', true));
        isFalse($data->is('key', 1.0, true));
        isFalse($data->is('nested.key', '1', true));
        isFalse($data->is('nested.key', false, true));
    }