public void TestBoundaryBinder()
{
var lower = new DateTimeWithRange();
var upper = new DateTimeWithRange();
var binder = new BoundaryBinder(lower, upper);
binder.Bind();
Assert.Null(lower.End);
Assert.Null(upper.Start);
lower.Value = DateTime.Today.AddDays(-2);
Assert.NotNull(upper.Start);
Assert.Equal(DateTime.Today.AddDays(-2), upper.Start.Value);
lower.Value = DateTime.Today.AddDays(-3);
Assert.NotNull(upper.Start);
Assert.Equal(DateTime.Today.AddDays(-3), upper.Start.Value);
lower.Value = null;
Assert.Null(upper.Start);
upper.Value = DateTime.Today.AddDays(2);
Assert.NotNull(lower.End);
Assert.Equal(DateTime.Today.AddDays(2), lower.End.Value);
upper.Value = DateTime.Today.AddDays(3);
Assert.NotNull(lower.End);
Assert.Equal(DateTime.Today.AddDays(3), lower.End.Value);
upper.Value = null;
Assert.Null(lower.Start);
}
public void TestDataRange()
{
int isValidCounter = 0;
int startCounter = 0;
int endCounter = 0;
int valueCounter = 0;
var dr = new DateTimeWithRange();
ExpressionExtensions.AttachActionTo(() => isValidCounter++, () => dr.IsValid);
ExpressionExtensions.AttachActionTo(() => startCounter++, () => dr.Start);
ExpressionExtensions.AttachActionTo(() => endCounter++, () => dr.End);
ExpressionExtensions.AttachActionTo(() => valueCounter++, () => dr.Value);
Assert.Equal(DateTime.MinValue, dr);
Assert.True(dr.IsValid);
Assert.Equal(0, valueCounter);
dr.Value = DateTime.Today;
Assert.True(dr.IsValid);
Assert.Equal(0, isValidCounter);
Assert.Equal(1, valueCounter);
dr.Start = DateTime.Today + TimeSpan.FromDays(1);
Assert.False(dr.IsValid);
Assert.Equal(1, valueCounter);
Assert.Equal(1, isValidCounter);
Assert.Equal(1, startCounter);
dr.Value = DateTime.Today + TimeSpan.FromDays(3);
Assert.True(dr.IsValid);
Assert.Equal(2, valueCounter);
Assert.Equal(2, isValidCounter);
dr.End = DateTime.Today + TimeSpan.FromDays(2);
Assert.False(dr.IsValid);
Assert.Equal(1, endCounter);
Assert.Equal(3, isValidCounter);
dr.Value = DateTime.Today + TimeSpan.FromDays(2);
Assert.True(dr.IsValid);
Assert.Equal(4, isValidCounter);
Assert.Equal(3, valueCounter);
}