Move IO-related bool extensions to IO namespace (#7)

X10D.Tests/src/Core/BooleanTests.cs

@@ -1,32 +0,0 @@
-using Microsoft.VisualStudio.TestTools.UnitTesting;
-
-namespace X10D.Tests.Core;
-
-/// <summary>
-///     Tests for <see cref="BooleanExtensions" />.
-/// </summary>
-[TestClass]
-public class BooleanTests
-{
-    /// <summary>
-    ///     Tests <see cref="BooleanExtensions.GetBytes" />.
-    /// </summary>
-    [TestMethod]
-    public void GetBytes()
-    {
-        const bool trueValue = true;
-        const bool falseValue = false;
-
-        var trueBytes = new byte[] { 0x01 };
-        var falseBytes = new byte[] { 0x00 };
-
-        byte[] trueResult = trueValue.GetBytes();
-        byte[] falseResult = falseValue.GetBytes();
-            
-        Assert.AreEqual(1, trueResult.Length);
-        Assert.AreEqual(1, trueResult.Length);
-
-        CollectionAssert.AreEqual(trueBytes, trueResult);
-        CollectionAssert.AreEqual(falseBytes, falseResult);
-    }
-}

X10D.Tests/src/IO/BooleanTests.cs

@@ -0,0 +1,33 @@
+using System.Diagnostics;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using X10D.IO;
+
+namespace X10D.Tests.IO;
+
+[TestClass]
+public class BooleanTests
+{
+    [TestMethod]
+    public void GetBytes_ReturnsArrayContaining1()
+    {
+        const bool value = true;
+        CollectionAssert.AreEqual(new byte[] {1}, value.GetBytes());
+    }
+
+    [TestMethod]
+    public void TryWriteBytes_ReturnsTrue_FillsSpanContaining1_GivenLargeEnoughSpan()
+    {
+        const bool value = true;
+        Span<byte> buffer = stackalloc byte[1];
+        Assert.IsTrue(value.TryWriteBytes(buffer));
+        CollectionAssert.AreEqual(new byte[] {1}, buffer.ToArray());
+    }
+
+    [TestMethod]
+    public void TryWriteBytes_ReturnsFalse_GivenSmallSpan()
+    {
+        const bool value = true;
+        Span<byte> buffer = stackalloc byte[0];
+        Assert.IsFalse(value.TryWriteBytes(buffer));
+    }
+}

X10D/src/IO/BooleanExtensions.cs

@@ -1,4 +1,4 @@
-namespace X10D;
+namespace X10D.IO;
 
 /// <summary>
 ///     Extension methods for <see cref="bool" />.