public void GroupBy_BeforeFirst(string territoryId)
{
// Arrange
var territories = new EnumerableQuery <Territories>(
new List <Territories>
{
new Territories
{
TerritoryID = "02903",
TerritoryDescription = "Providence",
RegionID = 1,
Region = new Region {
RegionID = 1, RegionDescription = "Eastern"
}
}
});
// Act
var result = territories.GetRegionByTerritoryIdWithFirstBefore(territoryId);
// Assert
result.ShouldBeEquivalentTo(new Region {
RegionID = 1, RegionDescription = "Eastern"
});
}