canonical-data.json

{
  "exercise": "poker",
  "cases": [
    {
      "uuid": "161f485e-39c2-4012-84cf-bec0c755b66c",
      "description": "single hand always wins",
      "property": "bestHands",
      "input": {
        "hands": ["4S 5S 7H 8D JC"]
      },
      "expected": ["4S 5S 7H 8D JC"]
    },
    {
      "uuid": "370ac23a-a00f-48a9-9965-6f3fb595cf45",
      "description": "highest card out of all hands wins",
      "property": "bestHands",
      "input": {
        "hands": ["4D 5S 6S 8D 3C", "2S 4C 7S 9H 10H", "3S 4S 5D 6H JH"]
      },
      "expected": ["3S 4S 5D 6H JH"]
    },
    {
      "uuid": "d94ad5a7-17df-484b-9932-c64fc26cff52",
      "description": "a tie has multiple winners",
      "property": "bestHands",
      "input": {
        "hands": [
          "4D 5S 6S 8D 3C",
          "2S 4C 7S 9H 10H",
          "3S 4S 5D 6H JH",
          "3H 4H 5C 6C JD"
        ]
      },
      "expected": ["3S 4S 5D 6H JH", "3H 4H 5C 6C JD"]
    },
    {
      "uuid": "61ed83a9-cfaa-40a5-942a-51f52f0a8725",
      "description": "multiple hands with the same high cards, tie compares next highest ranked, down to last card",
      "property": "bestHands",
      "input": {
        "hands": ["3S 5H 6S 8D 7H", "2S 5D 6D 8C 7S"]
      },
      "expected": ["3S 5H 6S 8D 7H"]
    },
    {
      "uuid": "da01becd-f5b0-4342-b7f3-1318191d0580",
      "description": "winning high card hand also has the lowest card",
      "property": "bestHands",
      "input": {
        "hands": ["2S 5H 6S 8D 7H", "3S 4D 6D 8C 7S"]
      },
      "expected": ["2S 5H 6S 8D 7H"]
    },
    {
      "uuid": "f7175a89-34ff-44de-b3d7-f6fd97d1fca4",
      "description": "one pair beats high card",
      "property": "bestHands",
      "input": {
        "hands": ["4S 5H 6C 8D KH", "2S 4H 6S 4D JH"]
      },
      "expected": ["2S 4H 6S 4D JH"]
    },
    {
      "uuid": "e114fd41-a301-4111-a9e7-5a7f72a76561",
      "description": "highest pair wins",
      "property": "bestHands",
      "input": {
        "hands": ["4S 2H 6S 2D JH", "2S 4H 6C 4D JD"]
      },
      "expected": ["2S 4H 6C 4D JD"]
    },
    {
      "uuid": "b3acd3a7-f9fa-4647-85ab-e0a9e07d1365",
      "description": "both hands have the same pair, high card wins",
      "property": "bestHands",
      "input": {
        "hands": ["4H 4S AH JC 3D", "4C 4D AS 5D 6C"]
      },
      "expected": ["4H 4S AH JC 3D"]
    },
    {
      "uuid": "935bb4dc-a622-4400-97fa-86e7d06b1f76",
      "description": "two pairs beats one pair",
      "property": "bestHands",
      "input": {
        "hands": ["2S 8H 6S 8D JH", "4S 5H 4C 8C 5C"]
      },
      "expected": ["4S 5H 4C 8C 5C"]
    },
    {
      "uuid": "c8aeafe1-6e3d-4711-a6de-5161deca91fd",
      "description": "both hands have two pairs, highest ranked pair wins",
      "property": "bestHands",
      "input": {
        "hands": ["2S 8H 2D 8D 3H", "4S 5H 4C 8S 5D"]
      },
      "expected": ["2S 8H 2D 8D 3H"]
    },
    {
      "uuid": "88abe1ba-7ad7-40f3-847e-0a26f8e46a60",
      "description": "both hands have two pairs, with the same highest ranked pair, tie goes to low pair",
      "property": "bestHands",
      "input": {
        "hands": ["2S QS 2C QD JH", "JD QH JS 8D QC"]
      },
      "expected": ["JD QH JS 8D QC"]
    },
    {
      "uuid": "15a7a315-0577-47a3-9981-d6cf8e6f387b",
      "description": "both hands have two identically ranked pairs, tie goes to remaining card (kicker)",
      "property": "bestHands",
      "input": {
        "hands": ["JD QH JS 8D QC", "JS QS JC 2D QD"]
      },
      "expected": ["JD QH JS 8D QC"]
    },
    {
      "uuid": "f761e21b-2560-4774-a02a-b3e9366a51ce",
      "description": "both hands have two pairs that add to the same value, win goes to highest pair",
      "property": "bestHands",
      "input": {
        "hands": ["6S 6H 3S 3H AS", "7H 7S 2H 2S AC"]
      },
      "expected": ["7H 7S 2H 2S AC"]
    },
    {
      "uuid": "fc6277ac-94ac-4078-8d39-9d441bc7a79e",
      "description": "two pairs first ranked by largest pair",
      "property": "bestHands",
      "input": {
        "hands": ["5C 2S 5S 4H 4C", "6S 2S 6H 7C 2C"]
      },
      "expected": ["6S 2S 6H 7C 2C"]
    },
    {
      "uuid": "21e9f1e6-2d72-49a1-a930-228e5e0195dc",
      "description": "three of a kind beats two pair",
      "property": "bestHands",
      "input": {
        "hands": ["2S 8H 2H 8D JH", "4S 5H 4C 8S 4H"]
      },
      "expected": ["4S 5H 4C 8S 4H"]
    },
    {
      "uuid": "c2fffd1f-c287-480f-bf2d-9628e63bbcc3",
      "description": "both hands have three of a kind, tie goes to highest ranked triplet",
      "property": "bestHands",
      "input": {
        "hands": ["2S 2H 2C 8D JH", "4S AH AS 8C AD"]
      },
      "expected": ["4S AH AS 8C AD"]
    },
    {
      "uuid": "eb856cc2-481c-4b0d-9835-4d75d07a5d9d",
      "description": "with multiple decks, two players can have same three of a kind, ties go to highest remaining cards",
      "property": "bestHands",
      "input": {
        "hands": ["4S AH AS 7C AD", "4S AH AS 8C AD"]
      },
      "expected": ["4S AH AS 8C AD"]
    },
    {
      "uuid": "26a4a7d4-34a2-4f18-90b4-4a8dd35d2bb1",
      "reimplements": "eb856cc2-481c-4b0d-9835-4d75d07a5d9d",
      "description": "with multiple decks, two players can have same three of a kind, ties go to highest remaining cards",
      "comments": [
        "Ensure that high cards are checked in the correct order (high to low)."
      ],
      "property": "bestHands",
      "input": {
        "hands": ["5S AH AS 7C AD", "4S AH AS 8C AD"]
      },
      "expected": ["4S AH AS 8C AD"]
    },
    {
      "uuid": "a858c5d9-2f28-48e7-9980-b7fa04060a60",
      "description": "a straight beats three of a kind",
      "property": "bestHands",
      "input": {
        "hands": ["4S 5H 4C 8D 4H", "3S 4D 2S 6D 5C"]
      },
      "expected": ["3S 4D 2S 6D 5C"]
    },
    {
      "uuid": "73c9c756-e63e-4b01-a88d-0d4491a7a0e3",
      "description": "aces can end a straight (10 J Q K A)",
      "property": "bestHands",
      "input": {
        "hands": ["4S 5H 4C 8D 4H", "10D JH QS KD AC"]
      },
      "expected": ["10D JH QS KD AC"]
    },
    {
      "uuid": "76856b0d-35cd-49ce-a492-fe5db53abc02",
      "description": "aces can start a straight (A 2 3 4 5)",
      "property": "bestHands",
      "input": {
        "hands": ["4S 5H 4C 8D 4H", "4D AH 3S 2D 5C"]
      },
      "expected": ["4D AH 3S 2D 5C"]
    },
    {
      "uuid": "e214b7df-dcba-45d3-a2e5-342d8c46c286",
      "description": "aces cannot be in the middle of a straight (Q K A 2 3)",
      "property": "bestHands",
      "input": {
        "hands": ["2C 3D 7H 5H 2S", "QS KH AC 2D 3S"]
      },
      "expected": ["2C 3D 7H 5H 2S"]
    },
    {
      "uuid": "6980c612-bbff-4914-b17a-b044e4e69ea1",
      "description": "both hands with a straight, tie goes to highest ranked card",
      "property": "bestHands",
      "input": {
        "hands": ["4S 6C 7S 8D 5H", "5S 7H 8S 9D 6H"]
      },
      "expected": ["5S 7H 8S 9D 6H"]
    },
    {
      "uuid": "5135675c-c2fc-4e21-9ba3-af77a32e9ba4",
      "description": "even though an ace is usually high, a 5-high straight is the lowest-scoring straight",
      "property": "bestHands",
      "input": {
        "hands": ["2H 3C 4D 5D 6H", "4S AH 3S 2D 5H"]
      },
      "expected": ["2H 3C 4D 5D 6H"]
    },
    {
      "uuid": "c601b5e6-e1df-4ade-b444-b60ce13b2571",
      "description": "flush beats a straight",
      "property": "bestHands",
      "input": {
        "hands": ["4C 6H 7D 8D 5H", "2S 4S 5S 6S 7S"]
      },
      "expected": ["2S 4S 5S 6S 7S"]
    },
    {
      "uuid": "4d90261d-251c-49bd-a468-896bf10133de",
      "description": "both hands have a flush, tie goes to high card, down to the last one if necessary",
      "property": "bestHands",
      "input": {
        "hands": ["4H 7H 8H 9H 6H", "2S 4S 5S 6S 7S"]
      },
      "expected": ["4H 7H 8H 9H 6H"]
    },
    {
      "uuid": "e04137c5-c19a-4dfc-97a1-9dfe9baaa2ff",
      "reimplements": "4d90261d-251c-49bd-a468-896bf10133de",
      "description": "both hands have a flush, tie goes to high card, down to the last one if necessary",
      "comments": [
        "Ensure that high cards are checked in the correct order (high to low)."
      ],
      "property": "bestHands",
      "input": {
        "hands": ["2H 7H 8H 9H 6H", "3S 5S 6S 7S 8S"]
      },
      "expected": ["2H 7H 8H 9H 6H"]
    },
    {
      "uuid": "3a19361d-8974-455c-82e5-f7152f5dba7c",
      "description": "full house beats a flush",
      "property": "bestHands",
      "input": {
        "hands": ["3H 6H 7H 8H 5H", "4S 5H 4C 5D 4H"]
      },
      "expected": ["4S 5H 4C 5D 4H"]
    },
    {
      "uuid": "eb73d0e6-b66c-4f0f-b8ba-bf96bc0a67f0",
      "description": "both hands have a full house, tie goes to highest-ranked triplet",
      "property": "bestHands",
      "input": {
        "hands": ["4H 4S 4D 9S 9D", "5H 5S 5D 8S 8D"]
      },
      "expected": ["5H 5S 5D 8S 8D"]
    },
    {
      "uuid": "34b51168-1e43-4c0d-9b32-e356159b4d5d",
      "description": "with multiple decks, both hands have a full house with the same triplet, tie goes to the pair",
      "property": "bestHands",
      "input": {
        "hands": ["5H 5S 5D 9S 9D", "5H 5S 5D 8S 8D"]
      },
      "expected": ["5H 5S 5D 9S 9D"]
    },
    {
      "uuid": "d61e9e99-883b-4f99-b021-18f0ae50c5f4",
      "description": "four of a kind beats a full house",
      "property": "bestHands",
      "input": {
        "hands": ["4S 5H 4D 5D 4H", "3S 3H 2S 3D 3C"]
      },
      "expected": ["3S 3H 2S 3D 3C"]
    },
    {
      "uuid": "2e1c8c63-e0cb-4214-a01b-91954490d2fe",
      "description": "both hands have four of a kind, tie goes to high quad",
      "property": "bestHands",
      "input": {
        "hands": ["2S 2H 2C 8D 2D", "4S 5H 5S 5D 5C"]
      },
      "expected": ["4S 5H 5S 5D 5C"]
    },
    {
      "uuid": "892ca75d-5474-495d-9f64-a6ce2dcdb7e1",
      "description": "with multiple decks, both hands with identical four of a kind, tie determined by kicker",
      "property": "bestHands",
      "input": {
        "hands": ["3S 3H 2S 3D 3C", "3S 3H 4S 3D 3C"]
      },
      "expected": ["3S 3H 4S 3D 3C"]
    },
    {
      "uuid": "923bd910-dc7b-4f7d-a330-8b42ec10a3ac",
      "description": "straight flush beats four of a kind",
      "property": "bestHands",
      "input": {
        "hands": ["4S 5H 5S 5D 5C", "7S 8S 9S 6S 10S"]
      },
      "expected": ["7S 8S 9S 6S 10S"]
    },
    {
      "uuid": "d9629e22-c943-460b-a951-2134d1b43346",
      "description": "aces can end a straight flush (10 J Q K A)",
      "property": "bestHands",
      "input": {
        "hands": ["KC AH AS AD AC", "10C JC QC KC AC"]
      },
      "expected": ["10C JC QC KC AC"]
    },
    {
      "uuid": "05d5ede9-64a5-4678-b8ae-cf4c595dc824",
      "description": "aces can start a straight flush (A 2 3 4 5)",
      "property": "bestHands",
      "input": {
        "hands": ["KS AH AS AD AC", "4H AH 3H 2H 5H"]
      },
      "expected": ["4H AH 3H 2H 5H"]
    },
    {
      "uuid": "ad655466-6d04-49e8-a50c-0043c3ac18ff",
      "description": "aces cannot be in the middle of a straight flush (Q K A 2 3)",
      "property": "bestHands",
      "input": {
        "hands": ["2C AC QC 10C KC", "QH KH AH 2H 3H"]
      },
      "expected": ["2C AC QC 10C KC"]
    },
    {
      "uuid": "d0927f70-5aec-43db-aed8-1cbd1b6ee9ad",
      "description": "both hands have a straight flush, tie goes to highest-ranked card",
      "property": "bestHands",
      "input": {
        "hands": ["4H 6H 7H 8H 5H", "5S 7S 8S 9S 6S"]
      },
      "expected": ["5S 7S 8S 9S 6S"]
    },
    {
      "uuid": "be620e09-0397-497b-ac37-d1d7a4464cfc",
      "description": "even though an ace is usually high, a 5-high straight flush is the lowest-scoring straight flush",
      "property": "bestHands",
      "input": {
        "hands": ["2H 3H 4H 5H 6H", "4D AD 3D 2D 5D"]
      },
      "expected": ["2H 3H 4H 5H 6H"]
    }
  ]
}