public void Test_PushPopFolder()
{
Environment.CurrentDirectory = testFolder;
CShell shell = new CShell();
shell.PushFolder("subfolder");
Assert.AreEqual(subFolder, Environment.CurrentDirectory, "CurrentDirectory should be changed");
Assert.AreEqual(subFolder, shell.CurrentFolder.FullName, "path should be changed");
Assert.AreEqual(subFolder, shell.FolderHistory.Last(), "history should be updated");
Assert.AreEqual(2, shell.FolderHistory.Count(), "history should be two");
Assert.AreEqual(1, shell.FolderStack.Count, "stack should be one");
shell.PushFolder("subfolder2");
Assert.AreEqual(subFolder2, Environment.CurrentDirectory, "CurrentDirectory should be changed");
Assert.AreEqual(subFolder2, shell.CurrentFolder.FullName, "path should be changed");
Assert.AreEqual(subFolder2, shell.FolderHistory.Last(), "history should be updated");
Assert.AreEqual(3, shell.FolderHistory.Count(), "history should be three");
Assert.AreEqual(2, shell.FolderStack.Count, "stack should be two");
shell.PopFolder();
Assert.AreEqual(subFolder, Environment.CurrentDirectory, "CurrentDirectory should be changed");
Assert.AreEqual(1, shell.FolderStack.Count, "stack should be one");
shell.PopFolder();
Assert.AreEqual(testFolder, Environment.CurrentDirectory, "CurrentDirectory should be changed");
Assert.AreEqual(0, shell.FolderStack.Count, "stack should be zero");
try
{
shell.PopFolder();
Assert.Fail("PopFolder() Should have thrown when empty");
}
catch (Exception) { }
}