existingRoot := d.root()
	otherRoot := other.root()
	if existingRoot == nil && otherRoot == nil {
		return
	}
	if otherRoot == nil {
		return
	}
	if existingRoot == nil {
		*d = other.clone()
		return
	}
	if other.Info.LastUpdate.After(d.Info.LastUpdate) {
		d.Info.LastUpdate = other.Info.LastUpdate
	}
	existingRoot.merge(*otherRoot)
	eHash := d.rootHash()

        RobotsTxt robotsTxt = new RobotsTxt();

        Directive directive = new Directive("MyBot");
        robotsTxt.addDirective(directive);

        Directive retrieved = robotsTxt.getDirective("OtherBot");
        assertNull(retrieved);
    }

    public void test_getDirectiveWithNull() {
        // Test getDirective with null user agent
        RobotsTxt robotsTxt = new RobotsTxt();

return nil, errors.New("invalid {{.P}} compressed point encoding") } // Select the positive or negative root, as indicated by the least // significant bit, based on the encoding type byte. otherRoot := new({{.Element}}) otherRoot.Sub(otherRoot, y) cond := y.Bytes()[{{.p}}ElementLength-1]&1 ^ b[0]&1 y.Select(otherRoot, y, int(cond)) p.x.Set(x) p.y.Set(y) p.z.One() return p, nil default: return nil, errors.New("invalid {{.P}} point encoding") } } var _{{.p}}B *{{.Element}} var _{{.p}}BOnce sync.Once func...

return nil, errors.New("invalid {{.P}} compressed point encoding") } // Select the positive or negative root, as indicated by the least // significant bit, based on the encoding type byte. otherRoot := new({{.Element}}) otherRoot.Sub(otherRoot, y) cond := y.Bytes()[{{.p}}ElementLength-1]&1 ^ b[0]&1 y.Select(otherRoot, y, int(cond)) p.x.Set(x) p.y.Set(y) p.z.One() return p, nil default: return nil, errors.New("invalid {{.P}} point encoding") } } var _{{.p}}B *{{.Element}} var _{{.p}}BOnce sync.Once func...