add HybridDateTimeTests.cs

sillsdev · Sep 2, 2024 · de6236b · de6236b
1 parent af44a4e
commit de6236b
Showing 1 changed file with 77 additions and 0 deletions.
diff --git a/src/SIL.Harmony.Tests/Core/HybridDateTimeTests.cs b/src/SIL.Harmony.Tests/Core/HybridDateTimeTests.cs
@@ -0,0 +1,77 @@
+using SIL.Harmony.Core;
+
+namespace SIL.Harmony.Tests.Core;
+
+public class HybridDateTimeTests
+{
+    [Fact]
+    public void Equals_TrueWhenTheSame()
+    {
+        var dateTime = new HybridDateTime(new DateTimeOffset(2000, 1, 1, 0, 0, 0, TimeSpan.Zero), 0);
+        var otherDateTime = new HybridDateTime(new DateTimeOffset(2000, 1, 1, 0, 0, 0, TimeSpan.Zero), 0);
+
+        (dateTime == otherDateTime).Should().BeTrue();
+    }
+
+    [Fact]
+    public void Equals_FalseWhenDifferentDateTime()
+    {
+        var dateTime = new HybridDateTime(new DateTimeOffset(2000, 1, 1, 0, 0, 0, TimeSpan.Zero), 0);
+        var otherDateTime = new HybridDateTime(new DateTimeOffset(2001, 1, 1, 0, 0, 0, TimeSpan.Zero), 0);
+
+        (dateTime != otherDateTime).Should().BeTrue();
+    }
+
+    [Fact]
+    public void Equals_FalseWhenDifferentCounter()
+    {
+        var dateTime = new HybridDateTime(new DateTimeOffset(2000, 1, 1, 0, 0, 0, TimeSpan.Zero), 0);
+        var otherDateTime = new HybridDateTime(new DateTimeOffset(2000, 1, 1, 0, 0, 0, TimeSpan.Zero), 1);
+
+        dateTime.Should().NotBe(otherDateTime);
+    }
+
+    [Fact]
+    public void Constructor_ThrowsArgumentOutOfRangeExceptionWhenCounterIsNegative()
+    {
+        Action action = () => new HybridDateTime(new DateTimeOffset(2000, 1, 1, 0, 0, 0, TimeSpan.Zero), -1);
+        action.Should().Throw<ArgumentOutOfRangeException>();
+    }
+
+    [Fact]
+    public void CompareTo_ReturnsOneWhenOtherIsNull()
+    {
+        var dateTime = new HybridDateTime(new DateTimeOffset(2000, 1, 1, 0, 0, 0, TimeSpan.Zero), 0);
+        dateTime.CompareTo(null).Should().Be(1);
+    }
+
+    [Fact]
+    public void CompareTo_ReturnsNegativeOneWhenThisIsLessThanOther()
+    {
+        var dateTime = new HybridDateTime(new DateTimeOffset(2000, 1, 1, 0, 0, 0, TimeSpan.Zero), 0);
+        var otherDateTime = new HybridDateTime(new DateTimeOffset(2000, 1, 2, 0, 0, 0, TimeSpan.Zero), 0);
+
+        var result = dateTime.CompareTo(otherDateTime);
+        result.Should().BeLessThan(0);
+    }
+
+    [Fact]
+    public void CompareTo_ReturnsZeroWhenThisIsEqualToOther()
+    {
+        var dateTime = new HybridDateTime(new DateTimeOffset(2000, 1, 1, 0, 0, 0, TimeSpan.Zero), 0);
+        var otherDateTime = new HybridDateTime(new DateTimeOffset(2000, 1, 1, 0, 0, 0, TimeSpan.Zero), 0);
+
+        var result = dateTime.CompareTo(otherDateTime);
+        result.Should().Be(0);
+    }
+
+    [Fact]
+    public void CompareTo_ReturnsOneWhenThisIsGreaterThanOther()
+    {
+        var dateTime = new HybridDateTime(new DateTimeOffset(2000, 1, 2, 0, 0, 0, TimeSpan.Zero), 0);
+        var otherDateTime = new HybridDateTime(new DateTimeOffset(2000, 1, 1, 0, 0, 0, TimeSpan.Zero), 0);
+
+        var result = dateTime.CompareTo(otherDateTime);
+        result.Should().Be(1);
+    }
+}