public void MayElse()
{
var n = May <int> .NoValue;
var y = new May <int>(1);
Func <May <int> > throwsM = () => { throw new ArgumentException(); };
Func <int> throwsT = () => { throw new ArgumentException(); };
// else T
Assert.IsTrue(n.Else(2) == 2);
Assert.IsTrue(y.Else(2) == 1);
// else Func<T>
Assert.IsTrue(n.Else(() => 2) == 2);
Assert.IsTrue(y.Else(() => 2) == 1);
Assert.IsTrue(y.Else(throwsT) == y);
TestUtil.AssertThrows <ArgumentException>(() => n.Else(throwsT));
// else May<T>
Assert.IsTrue(n.Else(y) == y);
Assert.IsTrue(y.Else(n) == y);
Assert.IsTrue(n.Else(2.Maybe()) == 2.Maybe());
Assert.IsTrue(y.Else(2.Maybe()) == y);
Assert.IsTrue(n.Else(May.NoValue) == May.NoValue);
Assert.IsTrue(y.Else(May.NoValue) == y);
// else Func<May<T>>
Assert.IsTrue(n.Else(() => y) == y);
Assert.IsTrue(y.Else(() => n) == y);
Assert.IsTrue(n.Else(() => 2.Maybe()) == 2.Maybe());
Assert.IsTrue(y.Else(() => 2.Maybe()) == y);
Assert.IsTrue(n.Else(() => new May <int>()) == May.NoValue);
Assert.IsTrue(y.Else(() => new May <int>()) == y);
Assert.IsTrue(y.Else(throwsM) == y);
TestUtil.AssertThrows <ArgumentException>(() => n.Else(throwsM));
// else default
Assert.IsTrue(n.ElseDefault() == 0);
Assert.IsTrue(y.ElseDefault() == 1);
// else action
var x = 0;
y.ElseDo(() => { x += 1; });
Assert.IsTrue(x == 0);
n.ElseDo(() => { x += 1; });
Assert.IsTrue(x == 1);
}
public void MayElse()
{
var n = May<int>.NoValue;
var y = new May<int>(1);
Func<May<int>> throwsM = () => { throw new ArgumentException(); };
Func<int> throwsT = () => { throw new ArgumentException(); };
// else T
Assert.IsTrue(n.Else(2) == 2);
Assert.IsTrue(y.Else(2) == 1);
// else Func<T>
Assert.IsTrue(n.Else(() => 2) == 2);
Assert.IsTrue(y.Else(() => 2) == 1);
Assert.IsTrue(y.Else(throwsT) == y);
TestUtil.AssertThrows<ArgumentException>(() => n.Else(throwsT));
// else May<T>
Assert.IsTrue(n.Else(y) == y);
Assert.IsTrue(y.Else(n) == y);
Assert.IsTrue(n.Else(2.Maybe()) == 2.Maybe());
Assert.IsTrue(y.Else(2.Maybe()) == y);
Assert.IsTrue(n.Else(May.NoValue) == May.NoValue);
Assert.IsTrue(y.Else(May.NoValue) == y);
// else Func<May<T>>
Assert.IsTrue(n.Else(() => y) == y);
Assert.IsTrue(y.Else(() => n) == y);
Assert.IsTrue(n.Else(() => 2.Maybe()) == 2.Maybe());
Assert.IsTrue(y.Else(() => 2.Maybe()) == y);
Assert.IsTrue(n.Else(() => new May<int>()) == May.NoValue);
Assert.IsTrue(y.Else(() => new May<int>()) == y);
Assert.IsTrue(y.Else(throwsM) == y);
TestUtil.AssertThrows<ArgumentException>(() => n.Else(throwsM));
// else default
Assert.IsTrue(n.ElseDefault() == 0);
Assert.IsTrue(y.ElseDefault() == 1);
// else action
var x = 0;
y.ElseDo(() => { x += 1; });
Assert.IsTrue(x == 0);
n.ElseDo(() => { x += 1; });
Assert.IsTrue(x == 1);
}