public void Where_All() { //arrange SqlConnect sql = new CSharpedSql.MySql.MySqlConnect(); var expected = "SELECT * FROM `test` WHERE `id` = ALL (SELECT * FROM `table`);"; //act sql.Query(Select.From("test") + Where.All("id", Select.From("table"))); var actual = sql.ToString().TrimEnd(); //assert Assert.AreEqual(expected, actual); }