public void TestAreEqual()
{
DateTimeEqualityComparer comparer = new DateTimeEqualityComparer(TimeSpan.FromSeconds(1));
DateTime now = DateTime.Now;
Assert.IsTrue(comparer.AreEqual(now, now.AddMilliseconds(5)), "Dates are equal");
Assert.IsFalse(comparer.AreEqual(now, now.AddMilliseconds(-1001)), "Dates are not equal");
}
public void TestAreEqual()
{
DateTimeEqualityComparer comparer = new DateTimeEqualityComparer(TimeSpan.FromSeconds(1));
DateTime now = DateTime.Now;
Assert.IsTrue(comparer.AreEqual(now, now.AddMilliseconds(5)), "Dates are equal");
Assert.IsFalse(comparer.AreEqual(now, now.AddMilliseconds(-1001)), "Dates are not equal");
}
public static void GetHashCode___Should_return_same_hash_code___When_called_twice_on_same_object_reference()
{
// Arrange
var dateTime = DateTime.UtcNow;
var systemUnderTest = new DateTimeEqualityComparer();
// Act
var hash1 = systemUnderTest.GetHashCode(dateTime);
var hash2 = systemUnderTest.GetHashCode(dateTime);
// Assert
hash1.Should().Be(hash2);
}
public static void GetHashCode___Should_return_same_hash_code___For_DateTime_objects_that_are_equal()
{
// Arrange
var item1 = DateTime.UtcNow;
var item2 = new DateTime(item1.Ticks, item1.Kind);
var systemUnderTest = new DateTimeEqualityComparer();
// Act
var hash1 = systemUnderTest.GetHashCode(item1);
var hash2 = systemUnderTest.GetHashCode(item2);
// Assert
hash1.Should().Be(hash2);
}
public static void GetHashCode___Should_return_different_hash_code___For_different_DateTime_objects()
{
// Arrange
var item1a = DateTime.UtcNow;
var item1b = item1a.AddTicks(1);
var item2a = DateTime.Now;
var item2b = item2a.AddTicks(1);
var item3a = new DateTime(DateTime.UtcNow.Ticks, DateTimeKind.Unspecified);
var item3b = item3a.AddTicks(1);
var item4a = DateTime.UtcNow;
var item4b = new DateTime(item4a.Ticks, DateTimeKind.Local);
var item5a = DateTime.UtcNow;
var item5b = new DateTime(item5a.Ticks, DateTimeKind.Unspecified);
var item6a = DateTime.Now;
var item6b = new DateTime(item6a.Ticks, DateTimeKind.Unspecified);
var systemUnderTest = new DateTimeEqualityComparer();
// Act
var hash1a = systemUnderTest.GetHashCode(item1a);
var hash1b = systemUnderTest.GetHashCode(item1b);
var hash2a = systemUnderTest.GetHashCode(item2a);
var hash2b = systemUnderTest.GetHashCode(item2b);
var hash3a = systemUnderTest.GetHashCode(item3a);
var hash3b = systemUnderTest.GetHashCode(item3b);
var hash4a = systemUnderTest.GetHashCode(item4a);
var hash4b = systemUnderTest.GetHashCode(item4b);
var hash5a = systemUnderTest.GetHashCode(item5a);
var hash5b = systemUnderTest.GetHashCode(item5b);
var hash6a = systemUnderTest.GetHashCode(item6a);
var hash6b = systemUnderTest.GetHashCode(item6b);
// Assert
hash1a.Should().NotBe(hash1b);
hash2a.Should().NotBe(hash2b);
hash3a.Should().NotBe(hash3b);
hash4a.Should().NotBe(hash4b);
hash5a.Should().NotBe(hash5b);
hash6a.Should().NotBe(hash6b);
}
public static void Equals___Should_return_false___When_item1_and_item2_have_the_same_Ticks_but_different_Kind()
{
// Arrange
var systemUnderTest = new DateTimeEqualityComparer();
var utcDateTime = DateTime.UtcNow;
var localDateTime = new DateTime(utcDateTime.Ticks, DateTimeKind.Local);
var unspecifiedDateTime = new DateTime(utcDateTime.Ticks, DateTimeKind.Unspecified);
// Act
var actual1 = systemUnderTest.Equals(utcDateTime, localDateTime);
var actual2 = systemUnderTest.Equals(utcDateTime, unspecifiedDateTime);
var actual3 = systemUnderTest.Equals(localDateTime, unspecifiedDateTime);
// Assert
actual1.Should().BeFalse();
actual2.Should().BeFalse();
actual3.Should().BeFalse();
}
public static void Equals___Should_return_true___When_both_items_are_the_same_object_reference()
{
// Arrange
var systemUnderTest = new DateTimeEqualityComparer();
var utcDateTime = DateTime.UtcNow;
var localDateTime = DateTime.Now;
var unspecifiedDateTime = new DateTime(DateTime.UtcNow.Ticks, DateTimeKind.Unspecified);
// Act
var actual1 = systemUnderTest.Equals(utcDateTime, utcDateTime);
var actual2 = systemUnderTest.Equals(localDateTime, localDateTime);
var actual3 = systemUnderTest.Equals(unspecifiedDateTime, unspecifiedDateTime);
// Assert
actual1.Should().BeTrue();
actual2.Should().BeTrue();
actual3.Should().BeTrue();
}
public static void Equals___Should_return_false___When_item1_and_item2_have_different_Ticks_and_same_Kind()
{
// Arrange
var systemUnderTest = new DateTimeEqualityComparer();
var utcDateTime1 = DateTime.UtcNow;
var localDateTime1 = DateTime.Now;
var unspecifiedDateTime1 = new DateTime(DateTime.UtcNow.Ticks, DateTimeKind.Unspecified);
var utcDateTime2 = utcDateTime1.AddTicks(1);
var localDateTime2 = localDateTime1.AddTicks(1);
var unspecifiedDateTime2 = unspecifiedDateTime1.AddTicks(1);
// Act
var actual1 = systemUnderTest.Equals(utcDateTime1, utcDateTime2);
var actual2 = systemUnderTest.Equals(localDateTime1, localDateTime2);
var actual3 = systemUnderTest.Equals(unspecifiedDateTime1, unspecifiedDateTime2);
// Assert
actual1.Should().BeFalse();
actual2.Should().BeFalse();
actual3.Should().BeFalse();
}
public static void Equals___Should_return_true___When_item1_and_item2_have_the_same_Ticks_and_same_Kind()
{
// Arrange
var systemUnderTest = new DateTimeEqualityComparer();
var item1a = DateTime.UtcNow;
var item1b = new DateTime(item1a.Ticks, item1a.Kind);
var item2a = DateTime.Now;
var item2b = new DateTime(item2a.Ticks, item2a.Kind);
var item3a = new DateTime(DateTime.UtcNow.Ticks, DateTimeKind.Unspecified);
var item3b = new DateTime(item3a.Ticks, item3a.Kind);
// Act
var actual1 = systemUnderTest.Equals(item1a, item1b);
var actual2 = systemUnderTest.Equals(item2a, item2b);
var actual3 = systemUnderTest.Equals(item3a, item3b);
// Assert
actual1.Should().BeTrue();
actual2.Should().BeTrue();
actual3.Should().BeTrue();
}
public override void because()
{
retreivedDateTime = new DateTime(originalDateTime.Year, originalDateTime.Month, originalDateTime.Day, originalDateTime.Hour, originalDateTime.Minute, originalDateTime.Second);
equalityComparer = new DateTimeEqualityComparer(TimeSpan.FromSeconds(1));
}
List <TMaster> GenerateObjects(Table table)
{
IEqualityComparer <object> comparer;
var columnType = table.ColumnTypeMap[m_MasterKeyColumn];
if (columnType == typeof(short))
{
comparer = new Int16EqualityComparer();
}
else if (columnType == typeof(int))
{
comparer = new Int32EqualityComparer();
}
else if (columnType == typeof(long))
{
comparer = new Int64EqualityComparer();
}
else if (columnType == typeof(Guid))
{
comparer = new GuidEqualityComparer();
}
else if (columnType == typeof(string))
{
comparer = new StringEqualityComparer();
}
else if (columnType == typeof(DateTime))
{
comparer = new DateTimeEqualityComparer();
}
else if (columnType == typeof(DateTimeOffset))
{
comparer = new DateTimeOffsetEqualityComparer();
}
else if (columnType == typeof(ulong))
{
comparer = new UInt64EqualityComparer();
}
else
{
throw new NotSupportedException($"Key column of type '{columnType.Name}' is not supported for Master/Detail collections.");
}
var groups = new Dictionary <object, List <Row> >(comparer);
foreach (var row in table.Rows)
{
var key = row[m_MasterKeyColumn];
if (key == null)
{
throw new MissingDataException($"A null was found in the master key column '{m_MasterKeyColumn}'");
}
if (!groups.TryGetValue(key, out var group))
{
group = new();
groups.Add(key, group);
}
group.Add(row);
}
var result = new List <TMaster>();
foreach (var group in groups.Values)
{
var master = MaterializerUtilities.ConstructObject <TMaster>(group[0], m_MasterConstructor, Converter);
var target = m_Map(master);
foreach (var row in group)
{
target.Add(MaterializerUtilities.ConstructObject <TDetail>(row, m_DetailConstructor, Converter));
}
result.Add(master);
}
return(result);
}
