{
  "exercise": "transpose",
  "version": "1.1.0",
  "comments": [
    "JSON doesn't allow for multi-line strings, so all multi-line input is ",
    "presented here as arrays of strings. It's up to the test generator to join the ",
    "lines together with line breaks."
  ],
  "cases": [
    {
      "description": "empty string",
      "property": "transpose",
      "input": {
        "lines": []
      },
      "expected": []
    },
    {
      "description": "two characters in a row",
      "property": "transpose",
      "input": {
        "lines": [
          "A1"
        ]
      },
      "expected": [
        "A",
        "1"
      ]
    },
    {
      "description": "two characters in a column",
      "property": "transpose",
      "input": {
        "lines": [
          "A",
          "1"
        ]
      },
      "expected": [
        "A1"
      ]
    },
    {
      "description": "simple",
      "property": "transpose",
      "input": {
        "lines": [
          "ABC",
          "123"
        ]
      },
      "expected": [
        "A1",
        "B2",
        "C3"
      ]
    },
    {
      "description": "single line",
      "property": "transpose",
      "input": {
        "lines": ["Single line."]
      },
      "expected": [
        "S",
        "i",
        "n",
        "g",
        "l",
        "e",
        " ",
        "l",
        "i",
        "n",
        "e",
        "."
      ]
    },
    {
      "description": "first line longer than second line",
      "property": "transpose",
      "input": {
        "lines": [
          "The fourth line.",
          "The fifth line."
        ]
      },
      "expected": [
        "TT",
        "hh",
        "ee",
        "  ",
        "ff",
        "oi",
        "uf",
        "rt",
        "th",
        "h ",
        " l",
        "li",
        "in",
        "ne",
        "e.",
        "."
      ]
    },
    {
      "description": "second line longer than first line",
      "property": "transpose",
      "input": {
        "lines": [
          "The first line.",
          "The second line."
        ]
      },
      "expected": [
        "TT",
        "hh",
        "ee",
        "  ",
        "fs",
        "ie",
        "rc",
        "so",
        "tn",
        " d",
        "l ",
        "il",
        "ni",
        "en",
        ".e",
        " ."
      ]
    },
    {
      "description": "mixed line length",
      "property": "transpose",
      "input": {
        "lines": [
          "The longest line.",
          "A long line.",
          "A longer line.",
          "A line."
        ]
      },
      "expected": [
        "TAAA",
        "h   ",
        "elll",
        " ooi",
        "lnnn",
        "ogge",
        "n e.",
        "glr",
        "ei ",
        "snl",
        "tei",
        " .n",
        "l e",
        "i .",
        "n",
        "e",
        "."
      ]
    },
    {
      "description": "square",
      "property": "transpose",
      "input": {
        "lines": [
          "HEART",
          "EMBER",
          "ABUSE",
          "RESIN",
          "TREND"
        ]
      },
      "expected": [
        "HEART",
        "EMBER",
        "ABUSE",
        "RESIN",
        "TREND"
      ]
    },
    {
      "description": "rectangle",
      "property": "transpose",
      "input": {
        "lines": [
          "FRACTURE",
          "OUTLINED",
          "BLOOMING",
          "SEPTETTE"
        ]
      },
      "expected": [
        "FOBS",
        "RULE",
        "ATOP",
        "CLOT",
        "TIME",
        "UNIT",
        "RENT",
        "EDGE"
      ]
    },
    {
      "description": "triangle",
      "property": "transpose",
      "input": {
        "lines": [
          "T",
          "EE",
          "AAA",
          "SSSS",
          "EEEEE",
          "RRRRRR"
        ]
      },
      "expected": [
        "TEASER",
        " EASER",
        "  ASER",
        "   SER",
        "    ER",
        "     R"
      ]
    }
  ]
}