added more tests

Core.Tests/Base32Conversions/Encode.cs

@@ -28,7 +28,7 @@ public class Encode
         var resultBytes = Base32.Decode(testString);
         var resultString = Base32.Encode(resultBytes);
 
-        resultString.Should().BeEquivalentTo(testString);
+        resultString.Should().Be(testString);
     }
 
     [Theory]
@@ -51,6 +51,19 @@ public class Encode
     public void WhenCalledWithEmptyByteArray_ShouldReturnEmptyString(byte[] testArray)
     {
         var actualBase32 = Base32.Encode(testArray);
-        actualBase32?.Should().Be(string.Empty);
+        actualBase32.Should().Be(string.Empty);
+    }
+
+    [Theory]
+    [InlineData(new byte[] { })]
+    [InlineData(null)]
+    public void WhenCalledWithEmptyByteArray_ShouldReturnZeroAndNotChangeOutput(byte[] testArray)
+    {
+        char[] output = ['1', '2', '3', '4'];
+
+        var charsWritten = Base32.Encode(testArray, output);
+
+        charsWritten.Should().Be(0);
+        output.Should().Equal(['1', '2', '3', '4']);
     }
 }

Core.Tests/Base64UrlConversions/Decode.cs

@@ -50,4 +50,36 @@ public class Decode
         var result = Base64Url.Decode(testString);
         result.Should().BeEquivalentTo(expected);
     }
+
+    [Theory]
+    [InlineData("  ")]
+    [InlineData("hg2&515i3215")]
+    [InlineData("hg712)21")]
+    [InlineData("hg712f 21")]
+    [System.Diagnostics.CodeAnalysis.SuppressMessage("Performance", "CA1806:Do not ignore method results", Justification = "Test case")]
+    public void WhenCalledWithInvalidString_ShouldThrowFormatException(string testString)
+    {
+        Action action = () => Base64Url.Decode(testString);
+        action.Should().Throw<FormatException>();
+    }
+
+    [Theory]
+    [InlineData("5QrdUxDUV CAEGw8pvLsEw")]
+    [InlineData("6nE2uKQ4$0ar9kpmybgkdw")]
+    [InlineData("PyD6zwDqXkG*S1HPsp41wQ")]
+    [InlineData("!dOlPOh3wEe9PlyQgTMt2g")]
+    [System.Diagnostics.CodeAnalysis.SuppressMessage("Performance", "CA1806:Do not ignore method results", Justification = "Test case")]
+    public void WhenCalledWithInvalidGuidString_ShouldThrowFormatException(string testString)
+    {
+        Action action = () => Base64Url.DecodeGuid(testString);
+        action.Should().Throw<FormatException>();
+    }
+
+    [Theory]
+    [InlineData(null)]
+    [InlineData("")]
+    public void WhenCalledWithNullString_ShouldReturnEmptyArray(string testString)
+    {
+        Base64Url.Decode(testString).Should().BeEmpty();
+    }
 }

Core.Tests/Base64UrlConversions/Encode.cs

@@ -29,4 +29,26 @@ public class Encode
         var result = Base64Url.Encode(testBytes);
         result.Should().Be(expected);
     }
+
+    [Theory]
+    [InlineData(new byte[] { })]
+    [InlineData(null)]
+    public void WhenCalledWithEmptyByteArray_ShouldReturnEmptyString(byte[] testArray)
+    {
+        var actualBase32 = Base64Url.Encode(testArray);
+        actualBase32.Should().Be(string.Empty);
+    }
+
+    [Theory]
+    [InlineData(new byte[] { })]
+    [InlineData(null)]
+    public void WhenCalledWithEmptyByteArray_ShouldReturnZeroAndNotChangeOutput(byte[] testArray)
+    {
+        char[] output = ['1', '2', '3', '4'];
+
+        var charsWritten = Base64Url.Encode(testArray, output);
+
+        charsWritten.Should().Be(0);
+        output.Should().Equal(['1', '2', '3', '4']);
+    }
 }

Core.Tests/GuidV8Tests/NewGuid.cs

@@ -4,13 +4,87 @@ public class NewGuid
 {
     [Theory]
     [InlineData(GuidV8Entropy.Weak,
-        -25000000 -10000000, -5000000, -2000000, -1000000, -500000, -250000, -100000, -25000, -10000, -5000,
+        -25000000, -10000000, -5000000, -2000000, -1000000, -500000, -250000, -100000, -25000, -10000, -5000,
         -2500, -1000, -500, -499, -497, -450, -300, -200, -50, -1, 0, 1, 2, 5, 10, 20, 50, 100, 200, 350, 500, 1000,
-        2500, 5000, 10000, 25000, 100000, 250000, 500000, 1000000, 2000000, 5000000, 10000000)]
+        2500, 5000, 10000, 25000, 100000, 250000, 500000, 1000000, 2000000, 5000000, 10000000, 100000000, 250000000)]
     [InlineData(GuidV8Entropy.Strong,
-        -25000000 -10000000, -5000000, -2000000, -1000000, -500000, -250000, -100000, -25000, -10000, -5000,
+        -25000000, -10000000, -5000000, -2000000, -1000000, -500000, -250000, -100000, -25000, -10000, -5000,
         -2500, -1000, -500, -499, -497, -450, -300, -200, -50, -1, 0, 1, 2, 5, 10, 20, 50, 100, 200, 350, 500, 1000,
-        2500, 5000, 10000, 25000, 100000, 250000, 500000, 1000000, 2000000, 5000000, 10000000)]
+        2500, 5000, 10000, 25000, 100000, 250000, 500000, 1000000, 2000000, 5000000, 10000000, 100000000, 250000000)]
+    [InlineData(GuidV8Entropy.Weak,
+        -9863, -9740, -9214, -8878, -8674, -8652, -8640, -8565, -8518, -8449,
+        -8390, -8193, -8108, -7808, -7501, -7203, -7133, -7020, -6983, -6855,
+        -6576, -6162, -5630, -5505, -5472, -5382, -4706, -4680, -4509, -4454,
+        -4314, -3920, -3251, -3233, -3116, -2792, -2685, -2574, -2338, -2173,
+        -1934, -1914, -1528, -1483, -1410, -870, -757, -730, -263, -220,
+        151, 426, 588, 970, 1213, 1269, 1376, 1397, 1450, 1770,
+        2063, 2577, 2750, 2860, 3139, 3161, 3488, 3630, 3774, 4004,
+        4163, 4198, 4366, 4662, 4746, 4879, 5467, 5601, 5912, 5979,
+        6128, 6277, 6323, 6437, 6699, 6853, 7556, 7776, 7795, 8099,
+        8336, 8592, 8682, 8683, 8818, 8904, 9375, 9466, 9551, 9708)]
+    [InlineData(GuidV8Entropy.Strong,
+        -9863, -9740, -9214, -8878, -8674, -8652, -8640, -8565, -8518, -8449,
+        -8390, -8193, -8108, -7808, -7501, -7203, -7133, -7020, -6983, -6855,
+        -6576, -6162, -5630, -5505, -5472, -5382, -4706, -4680, -4509, -4454,
+        -4314, -3920, -3251, -3233, -3116, -2792, -2685, -2574, -2338, -2173,
+        -1934, -1914, -1528, -1483, -1410, -870, -757, -730, -263, -220,
+        151, 426, 588, 970, 1213, 1269, 1376, 1397, 1450, 1770,
+        2063, 2577, 2750, 2860, 3139, 3161, 3488, 3630, 3774, 4004,
+        4163, 4198, 4366, 4662, 4746, 4879, 5467, 5601, 5912, 5979,
+        6128, 6277, 6323, 6437, 6699, 6853, 7556, 7776, 7795, 8099,
+        8336, 8592, 8682, 8683, 8818, 8904, 9375, 9466, 9551, 9708)]
+    [InlineData(GuidV8Entropy.Weak,
+        5635912, 6673780, 17277183, 17512959, 19098799, 21672621, 30581958, 30824885, 31874213, 35192781,
+        36337094, 37752116, 38387215, 39154682, 40525427, 52288093, 55218356, 59065156, 65231785, 75430932,
+        76289058, 79078058, 85770685, 85925884, 94726743, 94864163, 95781967, 96150006, 96482085, 102570414,
+        107768232, 110571078, 110680108, 117974892, 119800380, 126381415, 135895862, 140034471, 149039187, 150906974,
+        156853001, 160514433, 166446323, 170148965, 171759448, 176494242, 184537553, 188558155, 197194403, 197615804,
+        201195323, 202294490, 203040975, 203331457, 205016944, 213460258, 217072025, 217185345, 231344025, 232390198,
+        235053215, 240175073, 245030721, 252275255, 252310334, 277070940, 277359970, 280624756, 288601124, 292427106,
+        292563035, 299285016, 303834917, 310357836, 315078337, 316367236, 318311758, 318873972, 319675272, 321784171,
+        324204294, 327667283, 330287252, 338438172, 349863360, 360777768, 366398711, 368637150, 368776734, 371900343,
+        379094084, 379818879, 381448333, 381814627, 382393101, 382483709, 385600870, 389455134, 396115960, 399364095)]
+    [InlineData(GuidV8Entropy.Strong,
+        5635912, 6673780, 17277183, 17512959, 19098799, 21672621, 30581958, 30824885, 31874213, 35192781,
+        36337094, 37752116, 38387215, 39154682, 40525427, 52288093, 55218356, 59065156, 65231785, 75430932,
+        76289058, 79078058, 85770685, 85925884, 94726743, 94864163, 95781967, 96150006, 96482085, 102570414,
+        107768232, 110571078, 110680108, 117974892, 119800380, 126381415, 135895862, 140034471, 149039187, 150906974,
+        156853001, 160514433, 166446323, 170148965, 171759448, 176494242, 184537553, 188558155, 197194403, 197615804,
+        201195323, 202294490, 203040975, 203331457, 205016944, 213460258, 217072025, 217185345, 231344025, 232390198,
+        235053215, 240175073, 245030721, 252275255, 252310334, 277070940, 277359970, 280624756, 288601124, 292427106,
+        292563035, 299285016, 303834917, 310357836, 315078337, 316367236, 318311758, 318873972, 319675272, 321784171,
+        324204294, 327667283, 330287252, 338438172, 349863360, 360777768, 366398711, 368637150, 368776734, 371900343,
+        379094084, 379818879, 381448333, 381814627, 382393101, 382483709, 385600870, 389455134, 396115960, 399364095)]
+    public void Guids_Differing_By_Minutes_Should_Be_Sortable(GuidV8Entropy entropy, params int[] seconds)
+    {
+        var rng = new Random(25);
+        var referenceTime = new DateTime(2024, 05, 17, 15, 36, 13, 771, DateTimeKind.Utc);
+        SortedList<DateTime, Guid> expected = new(seconds.Length);
+        foreach (var s in seconds)
+        {
+            var timestamp = referenceTime.AddMinutes(s);
+            expected.Add(timestamp, GuidV8.NewGuid(timestamp, entropy));
+        }
+
+        var sut = expected.Values.ToArray();
+        rng.Shuffle(sut);
+
+        sut.Order().Should().Equal(expected.Select(x => x.Value));
+        sut.OrderBy(x => x.ToString()).Should().Equal(expected.Select(x => x.Value));
+
+        sut.OrderDescending().Should().Equal(expected.Reverse().Select(x => x.Value));
+        sut.OrderByDescending(x => x.ToString()).Should().Equal(expected.Reverse().Select(x => x.Value));
+    }
+
+    [Theory]
+    [InlineData(GuidV8Entropy.Weak,
+        -250000000, -25000000, -10000000, -5000000, -2000000, -1000000, -500000, -250000, -100000, -25000, -10000, -5000,
+        -2500, -1000, -500, -499, -497, -450, -300, -200, -50, -1, 0, 1, 2, 5, 10, 20, 50, 100, 200, 350, 500, 1000,
+        2500, 5000, 10000, 25000, 100000, 250000, 500000, 1000000, 2000000, 5000000, 10000000, 100000000, 2100000000)]
+    [InlineData(GuidV8Entropy.Strong,
+        -250000000, -25000000, -10000000, -5000000, -2000000, -1000000, -500000, -250000, -100000, -25000, -10000, -5000,
+        -2500, -1000, -500, -499, -497, -450, -300, -200, -50, -1, 0, 1, 2, 5, 10, 20, 50, 100, 200, 350, 500, 1000,
+        2500, 5000, 10000, 25000, 100000, 250000, 500000, 1000000, 2000000, 5000000, 10000000, 100000000, 2100000000)]
     [InlineData(GuidV8Entropy.Weak,
         -9863, -9740, -9214, -8878, -8674, -8652, -8640, -8565, -8518, -8449,
         -8390, -8193, -8108, -7808, -7501, -7203, -7133, -7020, -6983, -6855,
@@ -43,7 +117,7 @@ public class NewGuid
         636537435, 637241486, 676077268, 691630262, 696158602, 714007596, 715537265, 718873134, 724266320, 741049828,
         749379956, 757561933, 758668417, 761735205, 770349479, 797570403, 805896481, 809050934, 821655964, 821980469,
         830824227, 840429528, 851772315, 859717719, 859763860, 867675943, 912124563, 914880620, 923914294, 930298008,
-        932610035, 937468680, 945565998, 949277691, 949397209, 951283050, 953249971, 953953188, 976210158, 982233484)]
+        932610035, 937468680, 945565998, 949277691, 949397209, 951283050, 953249971, 953953188, 976210158, 982233484, 982233485)]
     [InlineData(GuidV8Entropy.Strong,
         6629058, 24114993, 40561510, 46245969, 46876997, 48747281, 80489854, 110237218, 117445694, 118974860,
         135132579, 141760591, 149114066, 158322437, 159065333, 164925904, 173848639, 175086337, 175704556, 176335514,
@@ -54,7 +128,7 @@ public class NewGuid
         636537435, 637241486, 676077268, 691630262, 696158602, 714007596, 715537265, 718873134, 724266320, 741049828,
         749379956, 757561933, 758668417, 761735205, 770349479, 797570403, 805896481, 809050934, 821655964, 821980469,
         830824227, 840429528, 851772315, 859717719, 859763860, 867675943, 912124563, 914880620, 923914294, 930298008,
-        932610035, 937468680, 945565998, 949277691, 949397209, 951283050, 953249971, 953953188, 976210158, 982233484)]
+        932610035, 937468680, 945565998, 949277691, 949397209, 951283050, 953249971, 953953188, 976210158, 982233484, 982233485)]
     public void Guids_Differing_By_Seconds_Should_Be_Sortable(GuidV8Entropy entropy, params int[] seconds)
     {
         var rng = new Random(25);
@@ -69,19 +143,22 @@ public class NewGuid
         var sut = expected.Values.ToArray();
         rng.Shuffle(sut);
 
-        sut.Order().Should().BeEquivalentTo(expected.Select(x => x.Value));
+        sut.Order().Should().Equal(expected.Select(x => x.Value));
-        sut.OrderDescending().Should().BeEquivalentTo(expected.Reverse().Select(x => x.Value));
+        sut.OrderBy(x => x.ToString()).Should().Equal(expected.Select(x => x.Value));
+
+        sut.OrderDescending().Should().Equal(expected.Reverse().Select(x => x.Value));
+        sut.OrderByDescending(x => x.ToString()).Should().Equal(expected.Reverse().Select(x => x.Value));
     }
 
     [Theory]
     [InlineData(GuidV8Entropy.Weak,
-        -25000000 -10000000, -5000000, -2000000, -1000000, -500000, -250000, -100000, -25000, -10000, -5000,
+        -250000000, -25000000, -10000000, -5000000, -2000000, -1000000, -500000, -250000, -100000, -25000, -10000, -5000,
         -2500, -1000, -500, -499, -497, -450, -300, -200, -50, -1, 0, 1, 2, 5, 10, 20, 50, 100, 200, 350, 500, 1000,
-        2500, 5000, 10000, 25000, 100000, 250000, 500000, 1000000, 2000000, 5000000, 10000000)]
+        2500, 5000, 10000, 25000, 100000, 250000, 500000, 1000000, 2000000, 5000000, 10000000, 100000000, 2100000000)]
     [InlineData(GuidV8Entropy.Strong,
-        -25000000 -10000000, -5000000, -2000000, -1000000, -500000, -250000, -100000, -25000, -10000, -5000,
+        -250000000, -25000000, -10000000, -5000000, -2000000, -1000000, -500000, -250000, -100000, -25000, -10000, -5000,
         -2500, -1000, -500, -499, -497, -450, -300, -200, -50, -1, 0, 1, 2, 5, 10, 20, 50, 100, 200, 350, 500, 1000,
-        2500, 5000, 10000, 25000, 100000, 250000, 500000, 1000000, 2000000, 5000000, 10000000)]
+        2500, 5000, 10000, 25000, 100000, 250000, 500000, 1000000, 2000000, 5000000, 10000000, 100000000, 2100000000)]
     [InlineData(GuidV8Entropy.Weak,
         -9863, -9740, -9214, -8878, -8674, -8652, -8640, -8565, -8518, -8449,
         -8390, -8193, -8108, -7808, -7501, -7203, -7133, -7020, -6983, -6855,
@@ -114,7 +191,7 @@ public class NewGuid
         636537435, 637241486, 676077268, 691630262, 696158602, 714007596, 715537265, 718873134, 724266320, 741049828,
         749379956, 757561933, 758668417, 761735205, 770349479, 797570403, 805896481, 809050934, 821655964, 821980469,
         830824227, 840429528, 851772315, 859717719, 859763860, 867675943, 912124563, 914880620, 923914294, 930298008,
-        932610035, 937468680, 945565998, 949277691, 949397209, 951283050, 953249971, 953953188, 976210158, 982233484)]
+        932610035, 937468680, 945565998, 949277691, 949397209, 951283050, 953249971, 953953188, 976210158, 982233484, 982233485)]
     [InlineData(GuidV8Entropy.Strong,
         6629058, 24114993, 40561510, 46245969, 46876997, 48747281, 80489854, 110237218, 117445694, 118974860,
         135132579, 141760591, 149114066, 158322437, 159065333, 164925904, 173848639, 175086337, 175704556, 176335514,
@@ -125,10 +202,10 @@ public class NewGuid
         636537435, 637241486, 676077268, 691630262, 696158602, 714007596, 715537265, 718873134, 724266320, 741049828,
         749379956, 757561933, 758668417, 761735205, 770349479, 797570403, 805896481, 809050934, 821655964, 821980469,
         830824227, 840429528, 851772315, 859717719, 859763860, 867675943, 912124563, 914880620, 923914294, 930298008,
-        932610035, 937468680, 945565998, 949277691, 949397209, 951283050, 953249971, 953953188, 976210158, 982233484)]
+        932610035, 937468680, 945565998, 949277691, 949397209, 951283050, 953249971, 953953188, 976210158, 982233484, 982233485)]
     public void Guids_Differing_By_Milliseconds_Should_Be_Sortable(GuidV8Entropy entropy, params int[] seconds)
     {
-        var rng = new Random(25);
+        var rng = new Random(26);
         var referenceTime = new DateTime(2024, 05, 17, 15, 36, 13, 771, DateTimeKind.Utc);
         SortedList<DateTime, Guid> expected = new(seconds.Length);
         foreach (var s in seconds)
@@ -140,78 +217,10 @@ public class NewGuid
         var sut = expected.Values.ToArray();
         rng.Shuffle(sut);
 
-        sut.Order().Should().BeEquivalentTo(expected.Select(x => x.Value));
+        sut.Order().Should().Equal(expected.Select(x => x.Value));
-        sut.OrderDescending().Should().BeEquivalentTo(expected.Reverse().Select(x => x.Value));
+        sut.OrderBy(x => x.ToString()).Should().Equal(expected.Select(x => x.Value));
-    }
 
-    [Theory]
+        sut.OrderDescending().Should().Equal(expected.Reverse().Select(x => x.Value));
-    [InlineData(GuidV8Entropy.Weak,
+        sut.OrderByDescending(x => x.ToString()).Should().Equal(expected.Reverse().Select(x => x.Value));
-        -25000000 -10000000, -5000000, -2000000, -1000000, -500000, -250000, -100000, -25000, -10000, -5000,
-        -2500, -1000, -500, -499, -497, -450, -300, -200, -50, -1, 0, 1, 2, 5, 10, 20, 50, 100, 200, 350, 500, 1000,
-        2500, 5000, 10000, 25000, 100000, 250000, 500000, 1000000, 2000000, 5000000, 10000000)]
-    [InlineData(GuidV8Entropy.Strong,
-        -25000000 -10000000, -5000000, -2000000, -1000000, -500000, -250000, -100000, -25000, -10000, -5000,
-        -2500, -1000, -500, -499, -497, -450, -300, -200, -50, -1, 0, 1, 2, 5, 10, 20, 50, 100, 200, 350, 500, 1000,
-        2500, 5000, 10000, 25000, 100000, 250000, 500000, 1000000, 2000000, 5000000, 10000000)]
-    [InlineData(GuidV8Entropy.Weak,
-        -9863, -9740, -9214, -8878, -8674, -8652, -8640, -8565, -8518, -8449,
-        -8390, -8193, -8108, -7808, -7501, -7203, -7133, -7020, -6983, -6855,
-        -6576, -6162, -5630, -5505, -5472, -5382, -4706, -4680, -4509, -4454,
-        -4314, -3920, -3251, -3233, -3116, -2792, -2685, -2574, -2338, -2173,
-        -1934, -1914, -1528, -1483, -1410, -870, -757, -730, -263, -220,
-        151, 426, 588, 970, 1213, 1269, 1376, 1397, 1450, 1770,
-        2063, 2577, 2750, 2860, 3139, 3161, 3488, 3630, 3774, 4004,
-        4163, 4198, 4366, 4662, 4746, 4879, 5467, 5601, 5912, 5979,
-        6128, 6277, 6323, 6437, 6699, 6853, 7556, 7776, 7795, 8099,
-        8336, 8592, 8682, 8683, 8818, 8904, 9375, 9466, 9551, 9708)]
-    [InlineData(GuidV8Entropy.Strong,
-        -9863, -9740, -9214, -8878, -8674, -8652, -8640, -8565, -8518, -8449,
-        -8390, -8193, -8108, -7808, -7501, -7203, -7133, -7020, -6983, -6855,
-        -6576, -6162, -5630, -5505, -5472, -5382, -4706, -4680, -4509, -4454,
-        -4314, -3920, -3251, -3233, -3116, -2792, -2685, -2574, -2338, -2173,
-        -1934, -1914, -1528, -1483, -1410, -870, -757, -730, -263, -220,
-        151, 426, 588, 970, 1213, 1269, 1376, 1397, 1450, 1770,
-        2063, 2577, 2750, 2860, 3139, 3161, 3488, 3630, 3774, 4004,
-        4163, 4198, 4366, 4662, 4746, 4879, 5467, 5601, 5912, 5979,
-        6128, 6277, 6323, 6437, 6699, 6853, 7556, 7776, 7795, 8099,
-        8336, 8592, 8682, 8683, 8818, 8904, 9375, 9466, 9551, 9708)]
-    [InlineData(GuidV8Entropy.Weak,
-        6629058, 24114993, 40561510, 46245969, 46876997, 48747281, 80489854, 110237218, 117445694, 118974860,
-        135132579, 141760591, 149114066, 158322437, 159065333, 164925904, 173848639, 175086337, 175704556, 176335514,
-        200302773, 207133553, 230088723, 234521706, 239587338, 263755571, 264571928, 290118284, 292346548, 319322378,
-        320988273, 322638028, 324110126, 326855208, 332533719, 336668313, 350798512, 366520367, 380595181, 405033666,
-        410929500, 414099488, 417697882, 421269768, 431907031, 435262715, 442168482, 449797406, 458508845, 489039529,
-        503344305, 514934509, 537515867, 555210743, 563951463, 578783864, 580560518, 580902916, 605801607, 635231377,
-        636537435, 637241486, 676077268, 691630262, 696158602, 714007596, 715537265, 718873134, 724266320, 741049828,
-        749379956, 757561933, 758668417, 761735205, 770349479, 797570403, 805896481, 809050934, 821655964, 821980469,
-        830824227, 840429528, 851772315, 859717719, 859763860, 867675943, 912124563, 914880620, 923914294, 930298008,
-        932610035, 937468680, 945565998, 949277691, 949397209, 951283050, 953249971, 953953188, 976210158, 982233484)]
-    [InlineData(GuidV8Entropy.Strong,
-        6629058, 24114993, 40561510, 46245969, 46876997, 48747281, 80489854, 110237218, 117445694, 118974860,
-        135132579, 141760591, 149114066, 158322437, 159065333, 164925904, 173848639, 175086337, 175704556, 176335514,
-        200302773, 207133553, 230088723, 234521706, 239587338, 263755571, 264571928, 290118284, 292346548, 319322378,
-        320988273, 322638028, 324110126, 326855208, 332533719, 336668313, 350798512, 366520367, 380595181, 405033666,
-        410929500, 414099488, 417697882, 421269768, 431907031, 435262715, 442168482, 449797406, 458508845, 489039529,
-        503344305, 514934509, 537515867, 555210743, 563951463, 578783864, 580560518, 580902916, 605801607, 635231377,
-        636537435, 637241486, 676077268, 691630262, 696158602, 714007596, 715537265, 718873134, 724266320, 741049828,
-        749379956, 757561933, 758668417, 761735205, 770349479, 797570403, 805896481, 809050934, 821655964, 821980469,
-        830824227, 840429528, 851772315, 859717719, 859763860, 867675943, 912124563, 914880620, 923914294, 930298008,
-        932610035, 937468680, 945565998, 949277691, 949397209, 951283050, 953249971, 953953188, 976210158, 982233484)]
-    public void Guids_Differing_By_Microseconds_Should_Be_Sortable(GuidV8Entropy entropy, params int[] seconds)
-    {
-        var rng = new Random(25);
-        var referenceTime = new DateTime(2024, 05, 17, 15, 36, 13, 771, DateTimeKind.Utc);
-        SortedList<DateTime, Guid> expected = new(seconds.Length);
-        foreach (var s in seconds)
-        {
-            var timestamp = referenceTime.AddMicroseconds(s);
-            expected.Add(timestamp, GuidV8.NewGuid(timestamp, entropy));
-        }
-
-        var sut = expected.Values.ToArray();
-        rng.Shuffle(sut);
-
-        sut.Order().Should().BeEquivalentTo(expected.Select(x => x.Value));
-        sut.OrderDescending().Should().BeEquivalentTo(expected.Reverse().Select(x => x.Value));
     }
 }

Core.Tests/SystemIOStreamExtensionsTests/Populate.cs

@@ -0,0 +1,58 @@
+using Just.Core.Extensions;
+
+namespace Just.Core.Tests.SystemIOStreamExtensionsTests;
+
+public class Populate
+{
+    [Theory]
+    [InlineData(0, 0)]
+    [InlineData(0, 1)]
+    [InlineData(0, 3)]
+    [InlineData(0, 5)]
+    [InlineData(3, 0)]
+    [InlineData(3, 1)]
+    [InlineData(3, 5)]
+    [InlineData(5, 0)]
+    [InlineData(5, 1)]
+    [InlineData(5, 5)]
+    public void WhenCalled_ShouldPopulateSpecifiedRange(int offset, int length)
+    {
+        byte[] streamContent = [0x01, 0x02, 0x03, 0x04, 0x05,];
+        using var stream = new MemoryStream(streamContent);
+        var buffer = new byte[10];
+
+        stream.Populate(buffer, offset, length);
+
+        buffer.Skip(offset).Take(length).Should().Equal(streamContent.Take(length));
+    }
+
+    [Theory]
+    [InlineData(new byte[]{ 0x01, 0x02, 0x03, 0x04, }, 4)]
+    [InlineData(new byte[]{ 0x01, 0x02, 0x03, 0x04, 0x05, }, 4)]
+    [InlineData(new byte[]{ 0x01, 0x02, 0x03, 0x04, 0x05, }, 5)]
+    [InlineData(new byte[]{ 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, }, 5)]
+    public void WhenStreamContainsSameOrGreaterAmmountOfItems_ShouldPopulateBuffer(byte[] streamContent, int bufferSize)
+    {
+        using var stream = new MemoryStream(streamContent);
+        var buffer = new byte[bufferSize];
+
+        stream.Populate(buffer);
+
+        buffer.Should().Equal(streamContent.Take(bufferSize));
+    }
+
+    [Theory]
+    [InlineData(new byte[]{ 0x01, 0x02, 0x03, 0x04, }, 5)]
+    [InlineData(new byte[]{ 0x01, 0x02, 0x03, 0x04, 0x05, }, 6)]
+    [InlineData(new byte[]{ 0x01, 0x02, 0x03, 0x04, 0x05, }, 10)]
+    [InlineData(new byte[]{ 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, }, 9)]
+    public void WhenStreamContainsLessItems_ShouldThrowEndOfStreamException(byte[] streamContent, int bufferSize)
+    {
+        using var stream = new MemoryStream(streamContent);
+        var buffer = new byte[bufferSize];
+
+        Action action = () => stream.Populate(buffer);
+
+        action.Should().Throw<EndOfStreamException>();
+    }
+}

Core.Tests/SystemIOStreamExtensionsTests/PopulateAsync.cs

@@ -0,0 +1,72 @@
+using Just.Core.Extensions;
+
+namespace Just.Core.Tests.SystemIOStreamExtensionsTests;
+
+public class PopulateAsync
+{
+    [Fact]
+    public async Task WhenCancellationRequested_ShouldThrowOperationCanceledException()
+    {
+        using var cts = new CancellationTokenSource();
+        byte[] streamContent = [0x01, 0x02, 0x03, 0x04, 0x05,];
+        using var stream = new MemoryStream(streamContent);
+        var buffer = new byte[5];
+
+        Func<Task> action = async () => await stream.PopulateAsync(buffer, cts.Token);
+        cts.Cancel();
+
+        await action.Should().ThrowAsync<OperationCanceledException>();
+    }
+
+    [Theory]
+    [InlineData(0, 0)]
+    [InlineData(0, 1)]
+    [InlineData(0, 3)]
+    [InlineData(0, 5)]
+    [InlineData(3, 0)]
+    [InlineData(3, 1)]
+    [InlineData(3, 5)]
+    [InlineData(5, 0)]
+    [InlineData(5, 1)]
+    [InlineData(5, 5)]
+    public async Task WhenCalled_ShouldPopulateSpecifiedRange(int offset, int length)
+    {
+        byte[] streamContent = [0x01, 0x02, 0x03, 0x04, 0x05,];
+        using var stream = new MemoryStream(streamContent);
+        var buffer = new byte[10];
+
+        await stream.PopulateAsync(buffer, offset, length);
+
+        buffer.Skip(offset).Take(length).Should().Equal(streamContent.Take(length));
+    }
+
+    [Theory]
+    [InlineData(new byte[]{ 0x01, 0x02, 0x03, 0x04, }, 4)]
+    [InlineData(new byte[]{ 0x01, 0x02, 0x03, 0x04, 0x05, }, 4)]
+    [InlineData(new byte[]{ 0x01, 0x02, 0x03, 0x04, 0x05, }, 5)]
+    [InlineData(new byte[]{ 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, }, 5)]
+    public async Task WhenStreamContainsSameOrGreaterAmmountOfItems_ShouldPopulateBuffer(byte[] streamContent, int bufferSize)
+    {
+        using var stream = new MemoryStream(streamContent);
+        var buffer = new byte[bufferSize];
+
+        await stream.PopulateAsync(buffer);
+
+        buffer.Should().Equal(streamContent.Take(bufferSize));
+    }
+
+    [Theory]
+    [InlineData(new byte[]{ 0x01, 0x02, 0x03, 0x04, }, 5)]
+    [InlineData(new byte[]{ 0x01, 0x02, 0x03, 0x04, 0x05, }, 6)]
+    [InlineData(new byte[]{ 0x01, 0x02, 0x03, 0x04, 0x05, }, 10)]
+    [InlineData(new byte[]{ 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, }, 9)]
+    public async Task WhenStreamContainsLessItems_ShouldThrowEndOfStreamException(byte[] streamContent, int bufferSize)
+    {
+        using var stream = new MemoryStream(streamContent);
+        var buffer = new byte[bufferSize];
+
+        Func<Task> action = async () => await stream.PopulateAsync(buffer);
+
+        await action.Should().ThrowAsync<EndOfStreamException>();
+    }
+}

Core/Base32.cs

@@ -24,6 +24,8 @@ public static class Base32
     [Pure]
     public static int Encode(ReadOnlySpan<byte> input, Span<char> output)
     {
+        if (input.IsEmpty) return 0;
+
         int i = 0;
         ReadOnlySpan<char> alphabet = Alphabet;
         for (int offset = 0; offset < input.Length;)

Core/Base64Url.cs

@@ -95,6 +95,8 @@ public static class Base64Url
 
     [Pure] public static int Encode(ReadOnlySpan<byte> input, Span<char> output)
     {
+        if (input.IsEmpty) return 0;
+
         var charlen = 8 * ((input.Length + 5) / 6);
         Span<char> chars = stackalloc char[charlen];
         Convert.TryToBase64Chars(input, chars, out int charsWritten);

Core/Collections/ImmutableSequence.cs

@@ -0,0 +1,90 @@
+using System.Collections;
+using System.Collections.Immutable;
+
+namespace Just.Core.Collections;
+
+public class ImmutableSequence<T> :
+    IEnumerable<T>,
+    IReadOnlyList<T>,
+    IEquatable<ImmutableSequence<T>>
+{
+    private static readonly int InitialHash = typeof(ImmutableSequence<T>).GetHashCode();
+    private static readonly Func<T?, T?, bool> CompareItem = EqualityComparer<T>.Default.Equals;
+    private readonly ImmutableList<T> _values;
+
+    public ImmutableSequence(ImmutableList<T> values) => _values = values;
+    public ImmutableSequence() : this(ImmutableArray<T>.Empty)
+    {
+    }
+    public ImmutableSequence(IEnumerable<T> values)
+    {
+        _values = [..values];
+    }
+    public ImmutableSequence(ReadOnlySpan<T> values) : this(ImmutableList.Create(values))
+    {
+    }
+
+    public bool IsEmpty => _values.IsEmpty;
+    public int Count => _values.Count;
+    public T this[int index] => _values[index];
+    public T this[Index index] => _values[index];
+    public ImmutableSequence<T> this[Range range]
+    {
+        get
+        {
+            var (offset, count) = range.GetOffsetAndLength(_values.Count);
+            return ConstructNew(_values.GetRange(offset, count));
+        }
+    }
+
+    protected virtual ImmutableSequence<T> ConstructNew(ImmutableList<T> values) => new(values);
+
+    public ImmutableSequence<T> Add(T value) => ConstructNew([.._values, value]);
+    public ImmutableSequence<T> AddFront(T value) => ConstructNew([value, .._values]);
+
+    public ImmutableList<T>.Enumerator GetEnumerator() => _values.GetEnumerator();
+    IEnumerator<T> IEnumerable<T>.GetEnumerator() => ((IEnumerable<T>)_values).GetEnumerator();
+    IEnumerator IEnumerable.GetEnumerator() => ((IEnumerable)_values).GetEnumerator();
+
+    public override string ToString() => string.Join(Environment.NewLine, _values);
+
+    public virtual bool Equals([NotNullWhen(true)] ImmutableSequence<T>? other)
+    {
+        if (ReferenceEquals(this, other))
+        {
+            return true;
+        }
+
+        if (_values.Count != other?._values.Count)
+        {
+            return false;
+        }
+
+        for (int i = 0; i < _values.Count; i++)
+        {
+            if (!CompareItem(_values[i], other._values[i]))
+            {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    public override bool Equals([NotNullWhen(true)] object? obj) => Equals(obj as ImmutableSequence<T>);
+    public override int GetHashCode()
+    {
+        HashCode hash = new();
+        hash.Add(InitialHash);
+
+        foreach (var value in _values)
+        {
+            hash.Add(value);
+        }
+
+        return hash.ToHashCode();
+    }
+
+    public static bool operator ==(ImmutableSequence<T>? left, ImmutableSequence<T>? right) => left is null ? right is null : left.Equals(right);
+    public static bool operator !=(ImmutableSequence<T>? left, ImmutableSequence<T>? right) => !(left == right);
+}

Core/Core.csproj

@@ -10,7 +10,7 @@
     <Description>Small .Net library with useful helper classes, functions and extensions.</Description>
     <PackageTags>extensions;helpers;helper-functions</PackageTags>
     <Authors>JustFixMe</Authors>
-    <Copyright>Copyright (c) 2023 JustFixMe</Copyright>
+    <Copyright>Copyright (c) 2023,2024 JustFixMe</Copyright>
     <PackageLicenseFile>LICENSE</PackageLicenseFile>
     <PackageReadmeFile>README.md</PackageReadmeFile>
     <RepositoryUrl>https://github.com/JustFixMe/Just.Core/</RepositoryUrl>

Core/Extensions/SystemIOStreamExtensions.cs

@@ -8,7 +8,7 @@ public static class SystemIOStreamExtensions
         => stream.Populate(buffer.AsSpan());
     public static void Populate(this Stream stream, Span<byte> buffer)
     {
-        do
+        while (buffer.Length > 0)
         {
             var readed = stream.Read(buffer);
 
@@ -19,7 +19,6 @@ public static class SystemIOStreamExtensions
 
             buffer = buffer[readed..];
         }
-        while (buffer.Length > 0);
     }
 
     public static async ValueTask PopulateAsync(this Stream stream, byte[] buffer, CancellationToken cancellationToken = default)
@@ -28,7 +27,7 @@ public static class SystemIOStreamExtensions
         => await stream.PopulateAsync(buffer.AsMemory(offset, length), cancellationToken);
     public static async ValueTask PopulateAsync(this Stream stream, Memory<byte> buffer, CancellationToken cancellationToken = default)
     {
-        do
+        while (buffer.Length > 0)
         {
             cancellationToken.ThrowIfCancellationRequested();
 
@@ -41,6 +40,5 @@ public static class SystemIOStreamExtensions
 
             buffer = buffer[readed..];
         }
-        while (buffer.Length > 0);
     }
 }

Core/GuidV8.cs

@@ -13,28 +13,28 @@ public static class GuidV8
     [Pure]
     public static Guid NewGuid(DateTime dateTime, GuidV8Entropy entropy = GuidV8Entropy.Strong)
     {
-        var timestamp = dateTime.ToBinary() & 0x3FFF_FFFF_FFFF_FFFF;
+        var epoch = dateTime.Subtract(DateTime.UnixEpoch);
+        var timestamp = epoch.Ticks / (TimeSpan.TicksPerMillisecond / 10);
 
         Span<byte> ts = stackalloc byte[8];
         MemoryMarshal.Write(ts, timestamp);
 
         Span<byte> bytes = stackalloc byte[16];
 
-        ts[4..].CopyTo(bytes[..4]);
+        ts[0..2].CopyTo(bytes[4..6]);
-        ts[2..4].CopyTo(bytes[4..6]);
+        ts[2..6].CopyTo(bytes[..4]);
-        ts[..2].CopyTo(bytes[6..8]);
-
-        bytes[7] = (byte)((bytes[7] & 0x0f) | 0x80);
 
         if (entropy == GuidV8Entropy.Strong)
         {
-            RandomNumberGenerator.Fill(bytes[8..]);
+            RandomNumberGenerator.Fill(bytes[6..]);
         }
         else
         {
-            Random.Shared.NextBytes(bytes[8..]);
+            Random.Shared.NextBytes(bytes[6..]);
         }
 
+        bytes[7] = (byte)((bytes[7] & 0x0F) | 0x80);
+
         return new Guid(bytes);
     }
 }

LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2023 JustFixMe
+Copyright (c) 2023,2024 JustFixMe
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal