func TestMainGenerate_difficultyInt(t *testing.T) {
status, output := runMain(t, nil, "-mode=generate", "-difficulty=3")
if status != 0 {
t.Errorf("main returned %d, expected %d", status, 0)
}
b := NewBoard()
_, err := b.ReadFrom(output)
if err != nil {
t.Errorf("error reading output board: %s", err)
}
unknownCount := 0
for _, t := range b.Tiles {
if !t.isKnown() {
unknownCount++
}
}
if unknownCount != 3 {
t.Errorf("have %d unknown tiles, expected %d", unknownCount, 3)
}
}
