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();
}