public void OneSearchStepCausesDigitsToBeAdded()
{
_mockBoardControl.Reset();
var internalRow1 = new InternalRow(new Coords(0, 0), 1, false);
var internalRow2 = new InternalRow(new Coords(2, 3), 5, false);
var internalRows = ImmutableList.Create(internalRow1, internalRow2);
_mockPuzzleSolverTask.AddSearchStepCall(1, internalRows);
Assert.That(_vm.SolveCommand.CanExecute(null), Is.True);
_vm.SolveCommand.Execute(null);
_mockTimer.FlushTicks(1);
_mockBoardControl.Verify(m => m.AddDigit(internalRow1.Coords, internalRow1.Value), Times.Once);
_mockBoardControl.Verify(m => m.AddDigit(internalRow2.Coords, internalRow2.Value), Times.Once);
}
public void TwoSearchStepsInvolvingOnlyInitialValuesCausesNoBoardChanges()
{
_mockBoardControl.Reset();
var internalRow1 = new InternalRow(new Coords(0, 0), 1, true);
var internalRow2 = new InternalRow(new Coords(2, 3), 5, true);
var internalRows1 = ImmutableList.Create(internalRow1, internalRow2);
_mockPuzzleSolverTask.AddSearchStepCall(1, internalRows1);
var internalRow3 = new InternalRow(new Coords(4, 3), 6, true);
var internalRows2 = ImmutableList.Create(internalRow3);
_mockPuzzleSolverTask.AddSearchStepCall(2, internalRows2);
Assert.That(_vm.SolveCommand.CanExecute(null), Is.True);
_vm.SolveCommand.Execute(null);
_mockTimer.FlushTicks(2);
_mockBoardControl.Verify(m => m.AddDigit(It.IsAny<Coords>(), It.IsAny<int>()), Times.Never);
_mockBoardControl.Verify(m => m.RemoveDigit(It.IsAny<Coords>()), Times.Never);
}
private static IImmutableList<int> BuildDlxRow(InternalRow internalRow)
{
var row = internalRow.Coords.Row;
var col = internalRow.Coords.Col;
var value = internalRow.Value;
var box = RowColToBox(row, col);
var posVals = Encode(row, col);
var rowVals = Encode(row, value - 1);
var colVals = Encode(col, value - 1);
var boxVals = Encode(box, value - 1);
return posVals.Concat(rowVals).Concat(colVals).Concat(boxVals).ToImmutableList();
}