public void bind_with_value()
{
var mayBe = Just <string> .Of("some value");
var result = mayBe.Bind(x => x.Contains("some"));
result.ShouldBeOfType <Just <bool> >();
}
public void throw_exception_when_function_is_null_if_has_value()
{
var mayBe = Just <string> .Of("some value");
Action action = () => mayBe.IfHasValue(null);
action.ShouldThrow <ArgumentNullException>();
}
public void return_value_when_has_value()
{
const string value = "some value";
var mayBe = Just <string> .Of(value);
var result = mayBe.ValueOr("another value");
result.ShouldBe(value);
}
public void execute_if_has_value()
{
var executed = false;
var mayBe = Just <string> .Of("some value");
mayBe.IfHasValue(x => executed = true);
executed.ShouldBeTrue();
}
public void throw_exception_when_fuction_is_null_in_returning_value()
{
var mayBe = Just <string> .Of("some thing");
Func <string> function = null;
Action action = () => mayBe.ValueOr(function);
action.ShouldThrow <ArgumentNullException>();
}
public void return_value_in_bindding_with_function_with_Maybe()
{
var mayBe = Just <string> .Of("some value");
Func <string, IMaybe <bool> > function = (value) => Maybe <bool> .Of(value.Contains("some"));
var result = mayBe.Bind(function);
result.IfHasValue(value => value.ShouldBeTrue());
}
public void throws_exception_when_function_with_Maybe_is_null()
{
var mayBe = Just <string> .Of("some value");
Func <string, IMaybe <bool> > function = null;
Action action = () => { mayBe.Bind(function); };
action.ShouldThrow <ArgumentNullException>();
}
public void return_true_when_has_value()
{
var mayBe = Just <string> .Of("some value");
mayBe.HasValue.ShouldBeTrue();
}