483 lines
7.6 KiB
Go
483 lines
7.6 KiB
Go
package conway_test
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import (
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"fmt"
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"strings"
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"testing"
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)
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import (
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. "github.com/meatballhat/box-o-sand/conway"
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)
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var TEST_SIMPLE_INITIAL_STATE = NewGameState(16, 16)
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func init() {
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s := TEST_SIMPLE_INITIAL_STATE
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s.Set(0, 0, 1)
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s.Set(0, 1, 1)
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s.Set(0, 2, 1)
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s.Set(1, 0, 1)
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s.Set(1, 1, 1)
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s.Set(2, 2, 1)
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s.Set(3, 0, 1)
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s.Set(3, 2, 1)
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s.Set(13, 13, 1)
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s.Set(13, 14, 1)
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s.Set(14, 14, 1)
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s.Set(14, 15, 1)
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s.Set(15, 13, 1)
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s.Set(15, 15, 1)
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}
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func newTestGameState() (*GameState, error) {
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state := NewGameState(16, 16)
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err := state.Import(TEST_SIMPLE_INITIAL_STATE)
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if err != nil {
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return nil, err
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}
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return state, nil
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}
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func newTestGameOfLife() (*GameOfLife, error) {
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game := NewGameOfLife(16, 16)
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err := game.State.Import(TEST_SIMPLE_INITIAL_STATE)
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if err != nil {
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return nil, err
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}
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return game, nil
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}
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func TestLiveCellWithFewerThanTwoLiveNeighborsDies(t *testing.T) {
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game, err := newTestGameOfLife()
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if err != nil {
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t.Error(err)
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return
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}
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game.EvaluateGeneration()
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value, err := game.State.Get(3, 2)
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if err != nil {
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t.Error(err)
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return
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}
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if value != 0 {
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t.Errorf("%v != 0", value)
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return
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}
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}
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func TestLiveCellWithTwoOrThreeLiveNeighborsLivesOn(t *testing.T) {
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game, err := newTestGameOfLife()
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if err != nil {
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t.Error(err)
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return
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}
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game.EvaluateGeneration()
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value, err := game.State.Get(0, 0)
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if err != nil {
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t.Error(err)
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return
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}
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if value != 1 {
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t.Errorf("%v != 1", value)
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return
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}
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}
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func TestLiveCellWithMoreThanThreeLiveNeighborsDies(t *testing.T) {
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game, err := newTestGameOfLife()
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if err != nil {
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t.Error(err)
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return
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}
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game.EvaluateGeneration()
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value, err := game.State.Get(0, 1)
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if err != nil {
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t.Error(err)
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return
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}
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if value != 0 {
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t.Errorf("%v != 0", value)
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return
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}
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}
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func TestDeadCellWithExactlyThreeLiveNeighborsBecomesAlive(t *testing.T) {
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game, err := newTestGameOfLife()
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if err != nil {
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t.Error(err)
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return
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}
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game.EvaluateGeneration()
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value, err := game.State.Get(3, 1)
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if err != nil {
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t.Error(err)
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return
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}
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if value != 1 {
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t.Errorf("%v != 1", value)
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return
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}
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}
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func TestGameOfLifeCanDisplayItself(t *testing.T) {
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game, err := newTestGameOfLife()
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if err != nil {
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t.Error(err)
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return
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}
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grid := fmt.Sprintf("%s\n", game)
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gridLen := len(grid)
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if gridLen < 256 {
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t.Errorf("%v < 256", gridLen)
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t.Fail()
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}
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}
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func TestNewGameOfLifeHasCorrectDimensions(t *testing.T) {
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game, err := newTestGameOfLife()
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if err != nil {
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t.Error(err)
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return
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}
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if game.State.Height() != 16 || game.State.Width() != 16 {
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t.Fail()
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}
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}
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func TestNewGameOfLifeHasGameStateOfSameDimensions(t *testing.T) {
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game, err := newTestGameOfLife()
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if err != nil {
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t.Error(err)
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return
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}
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if len(game.State.Rows) < 16 {
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t.Fail()
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}
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if len(game.State.Rows[0].Cols) < 16 {
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t.Fail()
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}
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}
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func TestGameStateCanImportState(t *testing.T) {
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game, err := newTestGameOfLife()
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if err != nil {
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t.Fail()
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}
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if value, err := game.State.Get(0, 0); err != nil || value != 1 {
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t.Fail()
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}
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if value, err := game.State.Get(1, 0); err != nil || value != 1 {
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t.Fail()
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}
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if value, err := game.State.Get(0, 1); err != nil || value != 1 {
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t.Fail()
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}
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if value, err := game.State.Get(1, 1); err != nil || value != 1 {
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t.Fail()
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}
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if value, err := game.State.Get(2, 2); err != nil || value != 1 {
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t.Fail()
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}
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}
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func TestGameOfLifeCanImportRandomState(t *testing.T) {
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game, err := newTestGameOfLife()
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if err != nil {
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t.Error(err)
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return
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}
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err = game.ImportRandomState()
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if err != nil {
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t.Error(err)
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return
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}
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zeroCount := 0
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for y := 0; y < 16; y++ {
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for x := 0; x < 16; x++ {
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value, err := game.State.Get(x, y)
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if err != nil {
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t.Error(err)
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return
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}
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if value == 0 {
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zeroCount++
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}
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}
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}
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if zeroCount == 256 {
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t.Fail()
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}
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}
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func TestGameStateCanDisplayItself(t *testing.T) {
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state, err := newTestGameState()
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if err != nil {
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t.Error(err)
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return
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}
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grid := fmt.Sprintf("%s\n", state)
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lenGrid := len(grid)
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if lenGrid < 256 {
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t.Errorf("%v < 256", lenGrid)
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return
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}
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nLines := strings.Count(grid, "\n")
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if nLines < 16 {
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t.Errorf("%v < 16 (lines)", nLines)
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return
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}
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}
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func TestNewGameStatesAreAllDead(t *testing.T) {
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state := NewGameState(4, 4)
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for x := 0; x < 3; x++ {
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for y := 0; y < 3; y++ {
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if value, err := state.Get(x, y); err != nil || value != 0 {
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t.Fail()
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}
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}
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}
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}
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func TestGameStateCanGetCellValueByCoords(t *testing.T) {
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state := NewGameState(8, 8)
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if value, err := state.Get(2, 2); err != nil || value != 0 {
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t.Fail()
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}
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}
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func TestGameStateCanSetCellValueByCoords(t *testing.T) {
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state := NewGameState(8, 8)
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if err := state.Set(2, 5, 1); err != nil {
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t.Fail()
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}
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if value, err := state.Get(2, 5); err != nil || value != 1 {
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t.Fail()
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}
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}
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func TestGameStateCanEnlivenCellsByCoords(t *testing.T) {
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state := NewGameState(8, 8)
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if err := state.Enliven(0, 1); err != nil {
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t.Fail()
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}
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if value, err := state.Get(0, 1); err != nil || value != 1 {
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t.Fail()
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}
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}
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func TestGameStateCanDeadenCellsByCoords(t *testing.T) {
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state := NewGameState(8, 8)
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if err := state.Enliven(0, 1); err != nil {
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t.Fail()
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}
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if value, err := state.Get(0, 1); err != nil || value != 1 {
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t.Fail()
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}
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if err := state.Deaden(0, 1); err != nil {
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t.Fail()
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}
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if value, err := state.Get(0, 1); err != nil || value != 0 {
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t.Fail()
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}
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}
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func TestNewGenerationScoreCardIsAllZeros(t *testing.T) {
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gen := NewGenerationScoreCard(4, 4)
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for y := 0; y < gen.Height(); y++ {
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for x := 0; x < gen.Width(); x++ {
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if value, err := gen.Get(x, y); err != nil || value != 0 {
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t.Fail()
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}
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}
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}
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}
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func TestGenerationScoreCardCalculateResultsInCorrectNeighborCounts(t *testing.T) {
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genScore := NewGenerationScoreCard(16, 16)
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state, err := newTestGameState()
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if err != nil {
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t.Error(err)
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return
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}
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genScore.Calculate(state)
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value, err := genScore.Get(0, 0)
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if err != nil {
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t.Error(err)
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return
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} else if value != 3 {
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t.Errorf("[0, 0] value %v != 3", value)
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return
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}
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value, err = genScore.Get(3, 2)
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if err != nil {
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t.Error(err)
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return
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} else if value != 1 {
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t.Errorf("[3, 2] value %d != 1", value)
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return
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}
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}
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func TestStateCanMutate(t *testing.T) {
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state, err := newTestGameState()
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if err != nil {
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t.Error(err)
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return
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}
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curCksum, err := state.Checksum()
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if err != nil {
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t.Error(err)
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return
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}
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err = state.Mutate()
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if err != nil {
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t.Error(err)
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return
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}
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newCksum, err := state.Checksum()
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if err != nil {
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t.Error(err)
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return
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}
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if curCksum == newCksum {
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t.Errorf("Checksum did not change! %v", newCksum)
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}
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}
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func TestStateProvidesCellIteratorChannel(t *testing.T) {
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state, err := newTestGameState()
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if err != nil {
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t.Error(err)
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return
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}
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cells, err := state.Cells()
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if err != nil {
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t.Error(err)
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return
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}
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cellCount := 0
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for _ = range cells {
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cellCount++
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}
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if cellCount != 256 {
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t.Fail()
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}
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}
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func TestGameStateCellsCanHaveTheirValueSet(t *testing.T) {
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state, err := newTestGameState()
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if err != nil {
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t.Error(err)
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return
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}
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cells, err := state.Cells()
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if err != nil {
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t.Error(err)
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return
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}
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for cell := range cells {
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cell.SetValue(1)
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}
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cells, err = state.Cells()
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if err != nil {
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t.Error(err)
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return
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}
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for cell := range cells {
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if cell.Value != 1 {
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t.Fail()
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}
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}
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}
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func TestGameOfLifeEmitsGenerationTicksUntilStasis(t *testing.T) {
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game, err := newTestGameOfLife()
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if err != nil {
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t.Error(err)
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return
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}
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genTicks, err := game.Generations()
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if err != nil {
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t.Error(err)
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return
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}
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nGens := 0
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for gen := range genTicks {
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if gen.N > 3000 {
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t.Errorf("%v is too many generations!", gen.N)
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return
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}
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nGens = gen.N
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}
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if nGens < 3 {
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t.Errorf("%v is too few generations!", nGens)
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}
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}
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