public async Task ValidateAsync_ShouldValidate_WhenCalled()
{
var rule = new ActionAsyncValidationRule <string>(arg => { return(Task.FromResult(true)); }, "You have entered an invalid email");
var isValid = await rule.ValidateAsync("hello");
Assert.True(isValid);
}
public void Validate_ShouldThrowException_WhenCalled()
{
var rule = new ActionAsyncValidationRule <string>(arg => { return(Task.FromResult(true)); }, "You have entered an invalid email");
Assert.Throws <InvalidOperationException>(() => rule.Validate(String.Empty));
}