public void WrapTest3()
{
FuncWrapper sut = Fun.Wrap((string s, int x, bool y) => String.Format(s, y ? x : 0));
sut.Should().NotBeNull();
sut.Should().BeOfType <FuncWrapper>();
}
public void WrapTest5()
{
FuncWrapper sut = Fun.Wrap((string s, int x, bool y, decimal z, char c) => String.Format(s + c, y ? x : z));
sut.Should().NotBeNull();
sut.Should().BeOfType <FuncWrapper>();
}
public void WrapTest2()
{
FuncWrapper sut = Fun.Wrap((string s, int x) => String.Format(s, x));
sut.Should().NotBeNull();
sut.Should().BeOfType <FuncWrapper>();
}
public void WrapTest1()
{
FuncWrapper sut = Fun.Wrap((int a) => a);
sut.Should().NotBeNull();
sut.Should().BeOfType <FuncWrapper>();
}
public void WrapTest(object x)
{
FuncWrapper sut = Fun.Wrap(() => x);
sut.Should().NotBeNull();
sut.Should().BeOfType <FuncWrapper>();
}
public void AsFunTest(object x)
{
FuncWrapper sut = x.AsFun();
sut.Should().NotBeNull();
sut.Should().BeOfType <FuncWrapper>();
}
public void ShouldHandleRemoteCallbacksCorrectly()
{
connection.RegisterHandler("testCallback", (Action <int, FuncWrapper>)mockHandlers.Object.TestCallback);
FuncWrapper generatedFuncWrapper = null;
mockHandlers.Setup(h => h.TestCallback(42, It.IsAny <FuncWrapper>()))
.Callback((int i, FuncWrapper f) => generatedFuncWrapper = f);
connection.HandleMessage("['call',0,'testCallback',[1],42,'99095a90-1997-11e3-8ffd-0800200c9a66']");
mockHandlers.Verify(h => h.TestCallback(42, It.IsAny <FuncWrapper>()), Times.Once());
generatedFuncWrapper(42);
Assert.AreEqual(connection.sentMessages[1], "[\"call\",0,\"99095a90-1997-11e3-8ffd-0800200c9a66\",[],42]");
}
public static Predicate <T> ToPredicate <T>(this Func <T, bool> func)
{
var target = func.Target;
if (target is PredicateWrapper <T> predicateWrapper)
{
return(predicateWrapper.Predicate);
}
var wrapper = new FuncWrapper <T>(func);
return(wrapper.Invoke);
}
public static Predicate <T> ToPredicate <T>(this Func <T, bool> func)
{
var target = func.Target;
var predicateWrapper = target as PredicateWrapper <T>;
if (predicateWrapper != null)
{
return(predicateWrapper.Predicate);
}
else
{
var wrapper = new FuncWrapper <T>(func);
return(wrapper.Invoke);
}
}
static void Main()
{
int i = 1;
// Capture i in a delegate; each time the delegate
// is executed, you'll get a different value. Each
// time ToString is called, the delegate will be called
var wrapper = new FuncWrapper(() => i.ToString());
FormattableString dynamicString = $"i = {wrapper}";
while (i < 10)
{
Console.WriteLine(dynamicString);
i++;
}
}
public static IFunctionSignature GetFuncType(this FuncWrapper method)
=> new FunctionSignature(null, method.ResultType.LookupType(),
method.ArgTypes.Select(p => p.LookupType()).ToArray());
