perft.bash


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#!/usr/bin/env bash

testPerft() {
    local fen="$1"
    local depth="$2"
    local expected="$3"

    echo ""

    result=$(./build/mono "perft" $depth "$fen")
    count=$(echo $result | jq -r '.result')
    if [ "$count" = "$expected" ]; then
        echo "Results match"
    else 
        echo "RESULTS DONT MATCH"
        echo "Depth: $depth"
        echo "Fen: $fen"
        echo "Expected: $expected"
        echo "Got: $count"
    fi
}

configs=(
    # starting pos
    "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1|1|20"
    "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1|2|400"
    "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1|3|8902"
    "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1|4|197281"
    "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1|5|4865609"

    # kiwipete
    "r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq -|1|48"
    "r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq -|2|2039"
    "r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq -|3|97862"
    "r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq -|4|4085603"
    "r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq -|5|193690690"
)

for config in "${configs[@]}"; do
    IFS='|' read -r fen depth expected <<< "$config"
    testPerft "$fen" "$depth" "$expected"
done