public void IsValidReturnsTrueWhenAllUnknown()
{
Nonogram n = new Nonogram(5, 1);
CellLine l = n.Row(0);
Assert.AreEqual(true, l.IsValid());
}
public void IsValidReturnsFalseWhenHintIsNotPossible_Hint32()
{
Nonogram n = new Nonogram(5, 1);
CellLine l = n.Row(0);
l.Hints.AddRange(new int[] { 3, 2 });
Assert.AreEqual(false, l.IsValid());
}
public void IsValidReturnsTrueWhenHintMatchesContents_Hint0_Contents0()
{
Nonogram n = new Nonogram(5, 1);
CellLine l = n.Row(0);
l.Fill(Cell.CellState.Blank);
Assert.AreEqual(true, l.IsValid());
}
public void IsValidReturnsFalseWhenHintsExistButAllBlank()
{
Nonogram n = new Nonogram(5, 1);
CellLine l = n.Row(0);
l.Fill(Cell.CellState.Blank);
l.Hints.AddRange(new int[] { 1 });
Assert.AreEqual(false, l.IsValid());
}
public void IsValidReturnsTrueWhenPossibleSolutionsExist()
{
Nonogram n = new Nonogram(5, 1);
CellLine l = n.Row(0);
l.Fill(0, 3, Cell.CellState.Blank);
l[4].State = Cell.CellState.Blank;
l.Hints.AddRange(new int[] { 1 });
Assert.AreEqual(true, l.IsValid());
}
public void IsValidReturnsFalseWhenNoPossibleSolutionsExist()
{
Nonogram n = new Nonogram(5, 1);
CellLine l = n.Row(0);
l.Fill(0, 3, Cell.CellState.Filled);
l[4].State = Cell.CellState.Filled;
l.Hints.AddRange(new int[] { 3 });
Assert.AreEqual(false, l.IsValid());
}
public void IsValidReturnsFalseWhenGroupIsTooLarge_Hint3_Contents4_right()
{
Nonogram n = new Nonogram(5, 1);
CellLine l = n.Row(0);
l[0].State = Cell.CellState.Blank;
l.Fill(1, 4, Cell.CellState.Filled);
l.Hints.AddRange(new int[] { 3 });
Assert.AreEqual(false, l.IsValid());
}
public void IsValidReturnsTrueWhenNotEnoughGroups_Hint111_Contents11()
{
Nonogram n = new Nonogram(5, 1);
CellLine l = n.Row(0);
l[0].State = l[2].State = Cell.CellState.Filled;
l[1].State = l[3].State = Cell.CellState.Blank;
l.Hints.AddRange(new int[] { 1, 1, 1 });
Assert.AreEqual(true, l.IsValid());
}