public void TestMouseWheel()
{
// Use a registry helper to backup and restore registry state before/after test
using (RegistryHelper reg = new RegistryHelper())
{
reg.BackupRegistry();
// Start our application to test
using (CmdApp app = new CmdApp(CreateType.ProcessOnly, TestContext))
{
Log.Comment("First ensure that word wrap is off so we can get scroll bars in both directions.");
// Make sure wrap is off
app.SetWrapState(false);
IntPtr handle = app.GetStdOutHandle();
Verify.IsNotNull(handle, "Ensure we have the output handle.");
Log.Comment("Set up the window so the buffer is larger than the window. Retrieve existing properties then set the viewport to smaller than the buffer.");
WinCon.CONSOLE_SCREEN_BUFFER_INFO_EX info = app.GetScreenBufferInfo(handle);
info.srWindow.Left = 0;
info.srWindow.Right = 30;
info.srWindow.Top = 0;
info.srWindow.Bottom = 30;
info.dwSize.X = 100;
info.dwSize.Y = 100;
app.SetScreenBufferInfo(handle, info);
Log.Comment("Now retrieve the starting position of the window viewport.");
Log.Comment("Scroll down one.");
VerifyScroll(app, ScrollDir.Vertical, -1);
Log.Comment("Scroll right one.");
VerifyScroll(app, ScrollDir.Horizontal, 1);
Log.Comment("Scroll left one.");
VerifyScroll(app, ScrollDir.Horizontal, -1);
Log.Comment("Scroll up one.");
VerifyScroll(app, ScrollDir.Vertical, 1);
}
}
}