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56 lines
1.0 KiB
56 lines
1.0 KiB
4 years ago
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package chess
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import "testing"
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type bitboardTestPair struct {
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initial uint64
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reversed uint64
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}
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var (
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tests = []bitboardTestPair{
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bitboardTestPair{
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uint64(1),
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uint64(9223372036854775808),
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},
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bitboardTestPair{
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uint64(18446744073709551615),
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uint64(18446744073709551615),
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},
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bitboardTestPair{
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uint64(0),
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uint64(0),
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},
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}
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)
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func TestBitboardReverse(t *testing.T) {
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for _, p := range tests {
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r := uint64(bitboard(p.initial).Reverse())
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if r != p.reversed {
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t.Fatalf("bitboard reverse of %s expected %s but got %s", intStr(p.initial), intStr(p.reversed), intStr(r))
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}
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}
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}
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func TestBitboardOccupied(t *testing.T) {
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m := map[Square]bool{
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B3: true,
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}
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bb := newBitboard(m)
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if bb.Occupied(B3) != true {
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t.Fatalf("bitboard occupied of %s expected %t but got %t", bb, true, false)
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}
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}
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func BenchmarkBitboardReverse(b *testing.B) {
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for i := 0; i < b.N; i++ {
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u := uint64(9223372036854775807)
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bitboard(u).Reverse()
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}
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}
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func intStr(i uint64) string {
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return bitboard(i).String()
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}
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