public void MethodSelectTab()
{
TabControl tc = new TabControl();
tc.TabPages.Add("One", "One");
tc.TabPages.Add("Two", "Two");
tc.TabPages.Add("Three", "Three");
tc.SelectTab(1);
Assert.AreEqual(1, tc.SelectedIndex, "A1");
tc.SelectTab(tc.TabPages[2]);
Assert.AreEqual(2, tc.SelectedIndex, "A2");
tc.SelectTab("One");
Assert.AreEqual(0, tc.SelectedIndex, "A3");
tc.SelectTab(1);
tc.DeselectTab(1);
Assert.AreEqual(2, tc.SelectedIndex, "A4");
tc.DeselectTab(2);
Assert.AreEqual(0, tc.SelectedIndex, "A5");
tc.DeselectTab(tc.TabPages[0]);
Assert.AreEqual(1, tc.SelectedIndex, "A6");
tc.DeselectTab(tc.TabPages[0]);
Assert.AreEqual(1, tc.SelectedIndex, "A7");
tc.DeselectTab(tc.TabPages[1]);
Assert.AreEqual(2, tc.SelectedIndex, "A7");
tc.DeselectTab("Two");
Assert.AreEqual(2, tc.SelectedIndex, "A8");
tc.DeselectTab("Three");
Assert.AreEqual(0, tc.SelectedIndex, "A8");
}
