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55 lines
1.0 KiB
55 lines
1.0 KiB
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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