Added TextFormatter unit tests that show Right has bug

UnitTests/Text/TextFormatterTests.cs

@@ -3312,4 +3312,120 @@ ssb
                     );
         Assert.Equal (resultLines, wrappedLines);
     }
+
+
+    [SetupFakeDriver]
+    [Theory]
+    [InlineData ("A", 0, "")]
+    [InlineData ("A", 1, "A")]
+    [InlineData ("A", 2, "A")]
+    [InlineData ("AB", 1, "A")]
+    [InlineData ("AB", 2, "AB")]
+    [InlineData ("ABC", 3, "ABC")]
+    [InlineData ("ABC", 4, "ABC")]
+    [InlineData ("ABC", 6, "ABC")]
+    public void Draw_Horizontal_Left (string text, int width, string expectedText)
+
+    {
+        TextFormatter tf = new ()
+        {
+            Size = new Size (width, 1),
+
+            Text = text,
+            Alignment = TextAlignment.Left
+        };
+        tf.Draw (new Rectangle (0, 0, width, 1), Attribute.Default, Attribute.Default);
+
+        TestHelpers.AssertDriverContentsWithFrameAre (expectedText, _output);
+    }
+
+    [SetupFakeDriver]
+    [Theory]
+    [InlineData ("A", 0, false, "")]
+    [InlineData ("A", 1, false, "A")]
+    [InlineData ("A", 2, false, " A")]
+    [InlineData ("AB", 1, false, "A")]
+    [InlineData ("AB", 2, false, "AB")]
+    [InlineData ("ABC", 3, false, "ABC")]
+    [InlineData ("ABC", 4, false, " ABC")]
+    [InlineData ("ABC", 6, false, "   ABC")]
+
+    [InlineData ("A", 0, true, "")]
+    [InlineData ("A", 1, true, "A")]
+    [InlineData ("A", 2, true, " A")]
+    [InlineData ("AB", 1, true, "")] // BUGBUG: This is wrong, it should be "A"
+    [InlineData ("AB", 2, true, "AB")]
+    [InlineData ("ABC", 3, true, "ABC")]
+    [InlineData ("ABC", 4, true, " ABC")]
+    [InlineData ("ABC", 6, true, "   ABC")]
+    public void Draw_Horizontal_Right (string text, int width, bool autoSize, string expectedText)
+    {
+        TextFormatter tf = new ()
+        {
+            Text = text,
+            Alignment = TextAlignment.Right,
+            AutoSize = autoSize,
+        };
+
+        if (!autoSize)
+        {
+            tf.Size = new Size (width, 1);
+        }
+
+        tf.Draw (new Rectangle (Point.Empty, new (width, 1)), Attribute.Default, Attribute.Default);
+        TestHelpers.AssertDriverContentsWithFrameAre (expectedText, _output);
+    }
+
+    [SetupFakeDriver]
+    [Theory]
+    [InlineData ("A", 0, "")]
+    [InlineData ("A", 1, "A")]
+    [InlineData ("A", 2, "A")]
+    [InlineData ("A", 3, " A")]
+    [InlineData ("AB", 1, "A")]
+    [InlineData ("AB", 2, "AB")]
+    [InlineData ("ABC", 3, "ABC")]
+    [InlineData ("ABC", 4, "ABC")]
+    [InlineData ("ABC", 5, " ABC")]
+    [InlineData ("ABC", 6, " ABC")]
+    [InlineData ("ABC", 9, "   ABC")]
+    public void Draw_Horizontal_Centered (string text, int width, string expectedText)
+    {
+        TextFormatter tf = new ()
+        {
+            Size = new Size (width, 1),
+            Text = text,
+            Alignment = TextAlignment.Centered
+        };
+        tf.Draw (new Rectangle (0, 0, width, 1), Attribute.Default, Attribute.Default);
+
+        TestHelpers.AssertDriverContentsWithFrameAre (expectedText, _output);
+    }
+
+    [SetupFakeDriver]
+    [Theory]
+    [InlineData ("A", 0, "")]
+    [InlineData ("A", 1, "A")]
+    [InlineData ("A", 2, "A")]
+    [InlineData ("A B", 3, "A B")]
+    [InlineData ("A B", 1, "A")]
+    [InlineData ("A B", 2, "A")]
+    [InlineData ("A B", 3, "A B")]
+    [InlineData ("A B", 4, "A  B")]
+    [InlineData ("A B", 5, "A   B")]
+    [InlineData ("A B", 6, "A    B")]
+    [InlineData ("A B", 10, "A        B")]
+    [InlineData ("ABC ABC", 10, "ABC    ABC")]
+    public void Draw_Horizontal_Justified (string text, int width, string expectedText)
+    {
+        TextFormatter tf = new ()
+        {
+            Size = new Size (width, 1),
+            Text = text,
+            Alignment = TextAlignment.Justified,
+        };
+        tf.Draw (new Rectangle (0, 0, width, 1), Attribute.Default, Attribute.Default);
+
+        TestHelpers.AssertDriverContentsWithFrameAre (expectedText, _output);
+    }
 }