feat: add ShowHeader property to TableControl

Author: nickprotop

SharpConsoleUI.Tests/Controls/TableShowHeaderTests.cs

@@ -0,0 +1,31 @@
+using SharpConsoleUI.Controls;
+using SharpConsoleUI.Builders;
+using Xunit;
+
+namespace SharpConsoleUI.Tests.Controls;
+
+public class TableShowHeaderTests
+{
+    [Fact]
+    public void ShowHeader_DefaultsToTrue()
+    {
+        var table = SharpConsoleUI.Builders.Controls.Table().AddColumn("A").Build();
+        Assert.True(table.ShowHeader);
+    }
+
+    [Fact]
+    public void ShowHeader_CanBeSetToFalse()
+    {
+        var table = SharpConsoleUI.Builders.Controls.Table().AddColumn("A").Build();
+        table.ShowHeader = false;
+        Assert.False(table.ShowHeader);
+    }
+
+    [Fact]
+    public void ShowHeader_SettingToSameValue_DoesNotThrow()
+    {
+        var table = SharpConsoleUI.Builders.Controls.Table().AddColumn("A").Build();
+        table.ShowHeader = true; // same as default
+        Assert.True(table.ShowHeader);
+    }
+}