canonical-data.json

{
  "exercise": "queen-attack",
  "comments": [
    "Testing invalid positions will vary by language. The expected value of   ",
    "'error' is there to indicate some sort of failure should occur, while a 0",
    "means no failure.                                                        ",
    "Some languages implement tests beyond this set, such as checking for two ",
    "pieces being placed on the same position, representing the board         ",
    "graphically, or using standard chess notation. Those tests can be offered",
    "as extra credit.                                                         ",
    "                                                                         ",
    "All row and column positions are considered to be zero-indexed array     ",
    "indices, where the first row - with index 0 - represents the top of the  ",
    "board, and the first column - with index 0 - represents the left of the  ",
    "board. In chess notation that is a8.                                     "
  ],
  "cases": [
    {
      "description": "Test creation of Queens with valid and invalid positions",
      "cases": [
        {
          "uuid": "3ac4f735-d36c-44c4-a3e2-316f79704203",
          "description": "queen with a valid position",
          "property": "create",
          "input": {
            "queen": {
              "position": {
                "row": 2,
                "column": 2
              }
            }
          },
          "expected": 0
        },
        {
          "uuid": "4e812d5d-b974-4e38-9a6b-8e0492bfa7be",
          "description": "queen must have positive row",
          "property": "create",
          "input": {
            "queen": {
              "position": {
                "row": -2,
                "column": 2
              }
            }
          },
          "expected": {
            "error": "row not positive"
          }
        },
        {
          "uuid": "f07b7536-b66b-4f08-beb9-4d70d891d5c8",
          "description": "queen must have row on board",
          "property": "create",
          "input": {
            "queen": {
              "position": {
                "row": 8,
                "column": 4
              }
            }
          },
          "expected": {
            "error": "row not on board"
          }
        },
        {
          "uuid": "15a10794-36d9-4907-ae6b-e5a0d4c54ebe",
          "description": "queen must have positive column",
          "property": "create",
          "input": {
            "queen": {
              "position": {
                "row": 2,
                "column": -2
              }
            }
          },
          "expected": {
            "error": "column not positive"
          }
        },
        {
          "uuid": "6907762d-0e8a-4c38-87fb-12f2f65f0ce4",
          "description": "queen must have column on board",
          "property": "create",
          "input": {
            "queen": {
              "position": {
                "row": 4,
                "column": 8
              }
            }
          },
          "expected": {
            "error": "column not on board"
          }
        }
      ]
    },
    {
      "description": "Test the ability of one queen to attack another",
      "cases": [
        {
          "uuid": "33ae4113-d237-42ee-bac1-e1e699c0c007",
          "description": "cannot attack",
          "property": "canAttack",
          "input": {
            "white_queen": {
              "position": {
                "row": 2,
                "column": 4
              }
            },
            "black_queen": {
              "position": {
                "row": 6,
                "column": 6
              }
            }
          },
          "expected": false
        },
        {
          "uuid": "eaa65540-ea7c-4152-8c21-003c7a68c914",
          "description": "can attack on same row",
          "property": "canAttack",
          "input": {
            "white_queen": {
              "position": {
                "row": 2,
                "column": 4
              }
            },
            "black_queen": {
              "position": {
                "row": 2,
                "column": 6
              }
            }
          },
          "expected": true
        },
        {
          "uuid": "bae6f609-2c0e-4154-af71-af82b7c31cea",
          "description": "can attack on same column",
          "property": "canAttack",
          "input": {
            "white_queen": {
              "position": {
                "row": 4,
                "column": 5
              }
            },
            "black_queen": {
              "position": {
                "row": 2,
                "column": 5
              }
            }
          },
          "expected": true
        },
        {
          "uuid": "0e1b4139-b90d-4562-bd58-dfa04f1746c7",
          "description": "can attack on first diagonal",
          "property": "canAttack",
          "input": {
            "white_queen": {
              "position": {
                "row": 2,
                "column": 2
              }
            },
            "black_queen": {
              "position": {
                "row": 0,
                "column": 4
              }
            }
          },
          "expected": true
        },
        {
          "uuid": "ff9b7ed4-e4b6-401b-8d16-bc894d6d3dcd",
          "description": "can attack on second diagonal",
          "property": "canAttack",
          "input": {
            "white_queen": {
              "position": {
                "row": 2,
                "column": 2
              }
            },
            "black_queen": {
              "position": {
                "row": 3,
                "column": 1
              }
            }
          },
          "expected": true
        },
        {
          "uuid": "0a71e605-6e28-4cc2-aa47-d20a2e71037a",
          "description": "can attack on third diagonal",
          "property": "canAttack",
          "input": {
            "white_queen": {
              "position": {
                "row": 2,
                "column": 2
              }
            },
            "black_queen": {
              "position": {
                "row": 1,
                "column": 1
              }
            }
          },
          "expected": true
        },
        {
          "uuid": "0790b588-ae73-4f1f-a968-dd0b34f45f86",
          "description": "can attack on fourth diagonal",
          "property": "canAttack",
          "input": {
            "white_queen": {
              "position": {
                "row": 1,
                "column": 7
              }
            },
            "black_queen": {
              "position": {
                "row": 0,
                "column": 6
              }
            }
          },
          "expected": true
        },
        {
          "uuid": "543f8fd4-2597-4aad-8d77-cbdab63619f8",
          "description": "cannot attack if falling diagonals are only the same when reflected across the longest falling diagonal",
          "property": "canAttack",
          "input": {
            "white_queen": {
              "position": {
                "row": 4,
                "column": 1
              }
            },
            "black_queen": {
              "position": {
                "row": 2,
                "column": 5
              }
            }
          },
          "expected": false
        }
      ]
    }
  ]
}