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2.4 KiB

package chess
import (
"testing"
)
func TestBoardTextSerialization(t *testing.T) {
fen := "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR"
b := &Board{}
if err := b.UnmarshalText([]byte(fen)); err != nil {
t.Fatal("recieved unexpected error", err)
}
txt, err := b.MarshalText()
if err != nil {
t.Fatal("recieved unexpected error", err)
}
if fen != string(txt) {
t.Fatalf("fen expected board string %s but got %s", fen, string(txt))
}
}
func TestBoardBinarySerialization(t *testing.T) {
g := NewGame()
board := g.Position().Board()
b, err := board.MarshalBinary()
if err != nil {
t.Fatal("recieved unexpected error", err)
}
cpBoard := &Board{}
err = cpBoard.UnmarshalBinary(b)
if err != nil {
t.Fatal("recieved unexpected error", err)
}
s := "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR"
if s != cpBoard.String() {
t.Fatalf("expected board string %s but got %s", s, cpBoard.String())
}
}
func TestBoardRotation(t *testing.T) {
fens := []string{
"RP4pr/NP4pn/BP4pb/QP4pq/KP4pk/BP4pb/NP4pn/RP4pr",
"RNBKQBNR/PPPPPPPP/8/8/8/8/pppppppp/rnbkqbnr",
"rp4PR/np4PN/bp4PB/kp4PK/qp4PQ/bp4PB/np4PN/rp4PR",
"rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR",
}
g := NewGame()
board := g.Position().Board()
for i := 0; i < 4; i++ {
board = board.Rotate()
if fens[i] != board.String() {
t.Fatalf("expected board string %s but got %s", fens[i], board.String())
}
}
}
func TestBoardFlip(t *testing.T) {
g := NewGame()
board := g.Position().Board()
board = board.Flip(UpDown)
b := "RNBQKBNR/PPPPPPPP/8/8/8/8/pppppppp/rnbqkbnr"
if b != board.String() {
t.Fatalf("expected board string %s but got %s", b, board.String())
}
board = board.Flip(UpDown)
b = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR"
if b != board.String() {
t.Fatalf("expected board string %s but got %s", b, board.String())
}
board = board.Flip(LeftRight)
b = "rnbkqbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBKQBNR"
if b != board.String() {
t.Fatalf("expected board string %s but got %s", b, board.String())
}
board = board.Flip(LeftRight)
b = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR"
if b != board.String() {
t.Fatalf("expected board string %s but got %s", b, board.String())
}
}
func TestBoardTranspose(t *testing.T) {
g := NewGame()
board := g.Position().Board()
board = board.Transpose()
b := "rp4PR/np4PN/bp4PB/qp4PQ/kp4PK/bp4PB/np4PN/rp4PR"
if b != board.String() {
t.Fatalf("expected board string %s but got %s", b, board.String())
}
}