public void CastTests()
{
int value = 10;
JsonValue target = new JsonPrimitive(value);
int v1 = JsonValue.CastValue <int>(target);
Assert.Equal <int>(value, v1);
v1 = (int)target;
Assert.Equal <int>(value, v1);
long v2 = JsonValue.CastValue <long>(target);
Assert.Equal <long>(value, v2);
v2 = (long)target;
Assert.Equal <long>(value, v2);
string s = JsonValue.CastValue <string>(target);
Assert.Equal <string>(value.ToString(), s);
s = (string)target;
Assert.Equal <string>(value.ToString(), s);
object obj = JsonValue.CastValue <object>(target);
Assert.Equal(target, obj);
obj = (object)target;
Assert.Equal(target, obj);
object nill = JsonValue.CastValue <object>(null);
Assert.Null(nill);
dynamic dyn = target;
JsonValue defaultJv = dyn.IamDefault;
nill = JsonValue.CastValue <string>(defaultJv);
Assert.Null(nill);
nill = (string)defaultJv;
Assert.Null(nill);
obj = JsonValue.CastValue <object>(defaultJv);
Assert.Same(defaultJv, obj);
obj = (object)defaultJv;
Assert.Same(defaultJv, obj);
JsonValue jv = JsonValue.CastValue <JsonValue>(target);
Assert.Equal <JsonValue>(target, jv);
jv = JsonValue.CastValue <JsonValue>(defaultJv);
Assert.Equal <JsonValue>(defaultJv, jv);
jv = JsonValue.CastValue <JsonPrimitive>(target);
Assert.Equal <JsonValue>(target, jv);
ExceptionHelper.Throws <InvalidCastException>(delegate { int i = JsonValue.CastValue <int>(null); });
ExceptionHelper.Throws <InvalidCastException>(delegate { int i = JsonValue.CastValue <int>(defaultJv); });
ExceptionHelper.Throws <InvalidCastException>(delegate { int i = JsonValue.CastValue <char>(target); });
}