public void All_OnTopLevel()
{
CheckQuery(
() => Cooks.All(c => c.Name == "Hugo"),
"SELECT CONVERT(BIT, CASE WHEN NOT EXISTS((SELECT [t0].[ID] FROM [CookTable] AS [t0] WHERE NOT ([t0].[Name] = @1))) "
+ "THEN 1 ELSE 0 END) AS [value]",
row => (object)row.GetValue <bool> (new ColumnID("value", 0)),
new CommandParameter("@1", "Hugo"));
}