Smb2ReadRequest largeRead = new Smb2ReadRequest();
    largeRead.setLength(10485760);  // 10MB
    
    ChannelInfo selected = balancer.selectChannel(largeRead);
    assertEquals(channel2, selected);  // Should select 10Gbps channel
}

@Test
public void testChannelFailover() throws Exception {
    ChannelManager manager = new ChannelManager(context, session);

    assertThat(routeSelector.hasNext()).isFalse()
    dns.assertRequests(bogusHostname)
    proxySelector.assertRequests() // No proxy selector requests!
  }

  @Test fun proxySelectorReturnsNull() {
    val nullProxySelector: ProxySelector =
      object : ProxySelector() {
        override fun select(uri: URI): List<Proxy>? {
          assertThat(uri.host).isEqualTo(uriHost)
          return null
        }

			"SELECT * FROM `users` LIMIT ?",
			[]interface{}{limit0},
		},
		{
			[]clause.Interface{clause.Select{}, clause.From{}, clause.Limit{Offset: 20}},
			"SELECT * FROM `users` OFFSET ?",
			[]interface{}{20},
		},
		{
			[]clause.Interface{clause.Select{}, clause.From{}, clause.Limit{Offset: 20}, clause.Limit{Offset: 30}},
			"SELECT * FROM `users` OFFSET ?",

			[]clause.Interface{clause.Select{}, clause.From{}, clause.Where{
				Exprs: []clause.Expression{clause.Or(clause.Neq{Column: "name", Value: "jinzhu"}), clause.Eq{Column: clause.PrimaryColumn, Value: "1"}, clause.Gt{Column: "age", Value: 18}},
			}},
			"SELECT * FROM `users` WHERE `users`.`id` = ? OR `name` <> ? AND `age` > ?",
			[]interface{}{"1", "jinzhu", 18},
		},
		{
			[]clause.Interface{clause.Select{}, clause.From{}, clause.Where{

	}

	r = dryDB.Table("gorm.user").Select("name").Find(&User{}).Statement
	if !regexp.MustCompile("SELECT .name. FROM .gorm.\\..user. WHERE .user.\\..deleted_at. IS NULL").MatchString(r.Statement.SQL.String()) {
		t.Errorf("Table with escape character, got %v", r.Statement.SQL.String())
	}

	r = dryDB.Select("name").Find(&UserWithTable{}).Statement

		Vars    []interface{}
	}{
		{
			[]clause.Interface{clause.Select{}, clause.From{}, clause.Locking{Strength: clause.LockingStrengthUpdate}},
			"SELECT * FROM `users` FOR UPDATE", nil,
		},
		{
			[]clause.Interface{clause.Select{}, clause.From{}, clause.Locking{Strength: clause.LockingStrengthShare, Table: clause.Table{Name: clause.CurrentTable}}},
			"SELECT * FROM `users` FOR SHARE OF `users`", nil,
		},
		{

		Result  string
		Vars    []interface{}
	}{
		{
			[]clause.Interface{clause.Select{}, clause.From{}, clause.OrderBy{
				Columns: []clause.OrderByColumn{{Column: clause.PrimaryColumn, Desc: true}},
			}},
			"SELECT * FROM `users` ORDER BY `users`.`id` DESC", nil,
		},
		{
			[]clause.Interface{
				clause.Select{}, clause.From{}, clause.OrderBy{

	if !regexp.MustCompile("SELECT .*name.*,.*age.* FROM .*users.*").MatchString(r.Statement.SQL.String()) {
		t.Fatalf("Build Select with slice, but got %v", r.Statement.SQL.String())
	}

	// SELECT COALESCE(age,'42') FROM users;
	r = dryDB.Table("users").Select("COALESCE(age,?)", 42).Find(&User{})
	if !regexp.MustCompile(`SELECT COALESCE\(age,.*\) FROM .*users.*`).MatchString(r.Statement.SQL.String()) {

	}{
		{
			[]clause.Interface{clause.Select{}, clause.From{}},
			"SELECT * FROM `users`", nil,
		},
		{
			[]clause.Interface{clause.Select{
				Columns: []clause.Column{clause.PrimaryColumn},
			}, clause.From{}},
			"SELECT `users`.`id` FROM `users`", nil,
		},
		{
			[]clause.Interface{clause.Select{
				Columns: []clause.Column{clause.PrimaryColumn},
			}, clause.Select{
				Columns: []clause.Column{{Name: "name"}},

    }

    private void establishChannel(int index) throws IOException {
        // Select interfaces for this channel
        NetworkInterfaceInfo localIf = selectLocalInterface(index);
        NetworkInterfaceInfo remoteIf = selectRemoteInterface(index);

        if (localIf == null || remoteIf == null) {
            log.warn("Cannot select interfaces for channel {}", index);
            return;
        }