Add one more regression test

Author: daxian-dbw

test/BasicEditingTest.cs

@@ -200,6 +200,36 @@ public void DeleteCharOrExit()
             Test("exit", Keys("foo", _.Home, Enumerable.Repeat(_.Ctrl_d, 4), InputAcceptedNow));
         }
 
+        [SkippableFact]
+        public void SelectAndDelete()
+        {
+            TestSetup(KeyMode.Cmd);
+
+            Test("abcde", Keys(
+                "abcde",
+                CheckThat(() => AssertCursorLeftIs(5)),
+                _.Shift_LeftArrow, _.Shift_LeftArrow, _.Shift_LeftArrow,
+                _.Backspace,
+                CheckThat(() => AssertLineIs("ab")),
+                CheckThat(() => AssertCursorLeftIs(2)),
+                _.Ctrl_z,
+                CheckThat(() => AssertLineIs("abcde")),
+                CheckThat(() => AssertCursorLeftIs(5))));
+
+            Test("abcde", Keys(
+                "abcde", _.Home,
+                CheckThat(() => AssertCursorLeftIs(0)),
+                _.RightArrow, _.RightArrow,
+                CheckThat(() => AssertCursorLeftIs(2)),
+                _.Shift_RightArrow, _.Shift_RightArrow,
+                _.Delete,
+                CheckThat(() => AssertLineIs("abe")),
+                CheckThat(() => AssertCursorLeftIs(2)),
+                _.Ctrl_z,
+                CheckThat(() => AssertLineIs("abcde")),
+                CheckThat(() => AssertCursorLeftIs(4))));
+        }
+
         [SkippableFact]
         public void SwapCharacters()
         {