public void CanRemovePointerToWithinArray()
{
var data = new byte[0x200];
var changeToken = new ModelDelta();
// arrange: setup data with a bunch of pointers pointing into an array of strings
var model = new PokemonModel(data);
model.WritePointer(changeToken, 0x00, 0x80);
model.ObserveRunWritten(changeToken, new PointerRun(0x00));
model.WritePointer(changeToken, 0x08, 0x84);
model.ObserveRunWritten(changeToken, new PointerRun(0x08));
model.WritePointer(changeToken, 0x10, 0x88);
model.ObserveRunWritten(changeToken, new PointerRun(0x10));
model.WritePointer(changeToken, 0x18, 0x8C);
model.ObserveRunWritten(changeToken, new PointerRun(0x18));
// arrange: setup the array of strings
WriteStrings(data, 0x80, "cat", "bat", "hat", "sat");
var existingAnchor = model.GetNextAnchor(0x80);
ArrayRun.TryParse(model, "^[name\"\"4]4", 0x80, existingAnchor.PointerSources, out var arrayRun);
model.ObserveAnchorWritten(changeToken, "sample", arrayRun);
// act: clear the pointer
model.ClearFormat(changeToken, 0x08, 4);
// assert: array doesn't have pointer anymore
var array = (ArrayRun)model.GetNextAnchor(0x80);
Assert.Empty(array.PointerSourcesForInnerElements[1]);
}
public void FormatClearDoesNotClearAnchorIfUnnamedAnchorIsAtStartOfClear()
{
var buffer = new byte[0x200];
var model = new PokemonModel(buffer);
var token = new ModelDelta();
model.WritePointer(token, 0, 0x10);
model.ObserveRunWritten(token, new PointerRun(0));
model.ClearFormat(token, 0x10, 1);
Assert.Equal(0x10, model.GetNextRun(0x10).Start);
}
public void ClearingAPointerAlsoRemovesItsAnchor()
{
var data = new byte[0x200];
var model = new PokemonModel(data);
var viewPort = new ViewPort("file.txt", model)
{
Width = 0x10, Height = 0x10
};
viewPort.Edit("<000100>");
model.ClearFormat(new ModelDelta(), 0x00, 4);
Assert.NotInRange(model.GetNextRun(0x00).Start, 0, data.Length);
}
public void WritingOverAnAnchorDeletesThatAnchor()
{
var buffer = new byte[0x100];
var model = new PokemonModel(buffer);
var token = new ModelDelta();
model.WritePointer(token, 16, 32);
model.ObserveRunWritten(token, new PointerRun(16));
model.ClearFormat(token, 30, 4); // this format clear removes the anchor that was auto-generated from the pointer. Which means the data from before must not be a pointer.
model.WritePointer(token, 30, 64);
model.ObserveRunWritten(token, new PointerRun(30));
Assert.Equal(30, model.GetNextRun(10).Start); // original pointer at 16 is no longer there. The new first data is the anchor at 30
Assert.Equal(32, model.ReadPointer(16)); // but the data at 16 still looks like a pointer: only the format is gone
Assert.Equal(64, model.GetNextRun(34).Start); // next data is the anchor from the pointer at 30
}
public void WritingAPointerOverlappingAPointerRemovesOriginalPointer()
{
var buffer = new byte[0x100];
var model = new PokemonModel(buffer);
var token = new ModelDelta();
model.WritePointer(token, 16, 100);
model.ObserveRunWritten(token, new PointerRun(16));
Assert.Equal(16, model.GetNextRun(10).Start);
Assert.Equal(16, model.GetNextRun(17).Start);
Assert.Equal(16, model.GetNextRun(19).Start);
Assert.Equal(100, model.GetNextRun(20).Start); // the reference at 100 has been added
model.ClearFormat(token, 14, 4);
model.WritePointer(token, 14, 200);
model.ObserveRunWritten(token, new PointerRun(14));
Assert.Equal(14, model.GetNextRun(10).Start);
Assert.Equal(14, model.GetNextRun(15).Start);
Assert.Equal(14, model.GetNextRun(16).Start);
Assert.Equal(14, model.GetNextRun(17).Start);
Assert.Equal(200, model.GetNextRun(18).Start); // the reference at 100 has been erased, and there's a new one at 200
}
public void PointerCanPointToNameAfterThatNameGetsDeleted()
{
var buffer = new byte[0x100];
var model = new PokemonModel(buffer);
var viewPort = new ViewPort("file.txt", model)
{
Width = 0x10, Height = 0x10
};
var token = new ModelDelta();
viewPort.SelectionStart = new Point(0, 1);
viewPort.Edit("^bob ");
viewPort.SelectionStart = new Point(0, 2);
viewPort.Edit("<bob>");
viewPort.SelectionStart = new Point(0, 1);
// as an alternative to being able to delete an anchor from the viewPort,
// just edit the model directly and then scroll to force the viewPort to refresh
model.ClearFormat(token, 0x10, 1);
viewPort.ScrollValue = 1;
viewPort.ScrollValue = 0;
Assert.Equal("bob", ((Pointer)viewPort[0, 2].Format).DestinationName);
}
