public void PackageUsingStatePatternExample()
{
// given
var collectedMessages = new List <string>();
void MessageCollector(string msg)
{
collectedMessages.Add(msg);
}
var package = new PackageUsingStatePattern(MessageCollector);
// when
package.Operation(); // should send state 1 message
package.Operation(); // should send state 2 message
package.Operation(); // should send state 1 message again
// then
Check.That(collectedMessages).ContainsExactly("Handling state 1", "Handling state 2", "Handling state 1");
}
protected PackageState(PackageUsingStatePattern package)
{
_package = package;
}
protected static PackageState State2(PackageUsingStatePattern package)
{
return(new PackageState2(package));
}
public static PackageState State1(PackageUsingStatePattern package)
{
return(new PackageState1(package));
}
public PackageState2(PackageUsingStatePattern package) : base(package)
{
}
