static void Main(string[] args)
{
Enum one = MyEnum.One;
Console.WriteLine(one);
MyEnum digit = MyEnum.Zero;
Enum zero = digit;
Console.WriteLine(zero);
Console.WriteLine(new string('-', 30));
for (MyEnum number = MyEnum.Zero; number <= MyEnum.Three; number++)
{
Console.WriteLine(number);
Console.WriteLine((byte)number);
}
Console.WriteLine(new string('-', 50));
// щас компилятор принициализирует САМ константы в перечислении
// он ВСЕГДА инициализирует константы СВЕРХУ ВНИЗ Т.К показано в примерах позже.
// он никогда не проинициализириует константы нулями. Всегда будут нормальные числа
for (MyEnum1 number = MyEnum1.Zero; number <= MyEnum1.Three; number++)
{
Console.WriteLine(number);
Console.WriteLine((byte)number);
}
Console.WriteLine(new string('-', 50));
//Delay
Console.ReadKey();
}
public void box_unbox_Test_1()
{
// Creates objects for testing of different casts.
object o_enum = MyEnum.Value;
object o_enum1 = MyEnum1.Value;
object o_long = 24L;
object o_class = new CastTestClass();
object o_guid = Guid.NewGuid();
// Try casts that shoud succeed. Any exception here means failure.
// First we try casts that should succeed.
// Casts between enums with the same basic type
MyEnum2 e2 = (MyEnum2)o_enum; // line 2
// Cast from enum to primitive type that enum is based on
short sv = (short)o_enum;
Assert.Equal(sv, (short)MyEnum.Value);
// Cast from enum to primitive type that enum is based on
int iv = (int)o_enum1;
Assert.Equal(iv, (short)MyEnum1.Value);
int i_long = (int)(long)o_long;
CastTestClass cls = (CastTestClass)o_class;
Guid guid = (Guid)o_guid;
// Now casts that should throw exception. Any cast that does not throw - means error.
Assert.Throws(typeof(InvalidCastException), () =>
{
MyEnum1 e1 = (MyEnum1)o_enum;
}, "Trying to cast incompatible enums - should throw InvalidCastException");
// Now casts that should throw exception. Any cast that does not throw - means error.
Assert.Throws(typeof(InvalidCastException), () =>
{
int i = (int)o_long;
}, "Trying to cast long to int - should throw InvalidCastException");
// Now casts that should throw exception. Any cast that does not throw - means error.
Assert.Throws(typeof(InvalidCastException), () =>
{
int i = (int)o_class;
}, "Trying to cast object to int - should throw InvalidCastException");
// Now casts that should throw exception. Any cast that does not throw - means error.
Assert.Throws(typeof(InvalidCastException), () =>
{
int i = (int)o_enum;
}, "Trying to cast enum to int - should throw InvalidCastException");
// Now casts that should throw exception. Any cast that does not throw - means error.
Assert.Throws(typeof(InvalidCastException), () =>
{
int i = (int)o_guid;
}, "Trying to cast Guid to int - should throw InvalidCastException");
}
public ClassWithStructAndEnum(Business.ClassWithStructAndEnum source)
{
Id = source.Id;
AStruct = new MyStruct()
{
Field1 = source.AStruct.Field1,
AnotherField2 = source.AStruct.Field2
};
AnEnum1 = (DTO.ClassWithStructAndEnum.MyEnum1)(int) source.AnEnum1;
AnEnum2 = Convert(source.AnEnum2);
}
public async Task TestEnumSetAndGet2()
{
var f = EnvironmentV2.instance.GetOrAddTempFolder("TestEnumSetAndGet");
f.DeleteV2();
IKeyValueStore store = new FileBasedKeyValueStore(f);
string myKey1 = "myKey1";
MyEnum1 e1 = MyEnum1.state2;
await store.Set(myKey1, e1);
MyEnum1 e2 = await store.Get(myKey1, MyEnum1.state1);
Assert.Equal(e1, e2);
}
static void test01()
{
/*
* IEnumerable<T> をわかった気になる
* 実装するとforeach(var d in collection){ ... }ができる
*/
MyEnum1 e1 = new MyEnum1();
foreach (string p in e1)
{
Console.WriteLine(p);
}
Console.WriteLine("-----");
foreach (string p in e1.OrderBy(e => e))
{
Console.WriteLine(p);
}
}
public EnumTester()
{
MyEnum item = new MyEnum();
item = MyEnum.PROD;
if (item == MyEnum.PROD)
{
item = MyEnum.RELEASE;
}
MyEnum1 item1 = MyEnum1.TEST;
if (item1.Equals(1))
{
} //Cannot be true
if ((Int32)item1 == 1)
{
} //Dynamic cast matching enum return type
DataConnectionResource res = DataConnectionResource.LOCALMYSQL;
String test = res.GetStringValue();
test = EnumString.GetStringValue(res);
}
public static nint ToNative1(MyEnum1 value)
{
throw new NotImplementedException();
}