{
  empty: "",

  plain: "hello",

  "with quotes": "say \"hi\"",

  "with newline": "a\nb",

  "with backslash": "a\\b",

  "non-ASCII": "héllo ☃",

  "control character": "\u0001",

  "reads like a token": "undefined",

  "reads like a bigint": "42n",

  "reads like a symbol": "@k",

  "lone surrogate": "\ud800",

  "with quotes and a newline": "a string with \"quotes\" and a\nnewline",

  // The default length limit is 200 characters: a string of that length is
  // carried whole, and a longer one renders as an excerpt of that length and
  // then its actual length.
  "exactly 200 characters": "x".repeat(200),

  "300 characters": "abcdefghij".repeat(30),

  // The default line limit is 5: a string of more lines renders as an excerpt
  // of that many lines, line breaks included, and then its actual length.
  "seven lines": ["one", "two", "three", "four", "five", "six", "seven"].join("\n"),

  // A multi-line string cut by the length limit inside its third line renders
  // that line's excerpt with a ` +` of its own, and then the actual length on a
  // line of its own.
  "three lines of 90, cut inside the third":
    "a".repeat(90) + "\n" + "b".repeat(90) + "\n" + "c".repeat(90) + "\n",

  "in an array": [
    "one line",
    "x".repeat(250),
    "one\ntwo\nthree",
    "one\ntwo\nthree\nfour\nfive\nsix\nseven",
  ],

  "in an object": {
    lines: "one\ntwo\nthree",
    long: "x".repeat(250),
  },
}

--

empty:
""
""
""

plain:
"hello"
"hello"
"hello"

with quotes:
"say \"hi\""
"say \"hi\""
"say \"hi\""

with newline:
"a\nb"
"a\n" +
  "b"
"a\n" +
  "b"

with backslash:
"a\\b"
"a\\b"
"a\\b"

non-ASCII:
"héllo ☃"
"héllo ☃"
"héllo ☃"

control character:
"\u0001"
"\u0001"
"\u0001"

reads like a token:
"undefined"
"undefined"
"undefined"

reads like a bigint:
"42n"
"42n"
"42n"

reads like a symbol:
"@k"
"@k"
"@k"

lone surrogate:
"\ud800"
"\ud800"
"\ud800"

with quotes and a newline:
"a string with \"quotes\" and a\nnewline"
"a string with \"quotes\" and a\n" +
  "newline"
"a string with \"quotes\" and a\n" +
  "newline"

exactly 200 characters:
"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"

300 characters:
"abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij"+...length:300
"abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij" +
  ... length: 300
{
  "/partialString": {
    length: 300,
    excerpt: "abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij"
  }
}

seven lines:
"one\ntwo\nthree\nfour\nfive\n"+...length:33
"one\n" +
  "two\n" +
  "three\n" +
  "four\n" +
  "five\n" +
  ... length: 33
{
  "/partialString": {
    length: 33,
    excerpt: "one\n" +
      "two\n" +
      "three\n" +
      "four\n" +
      "five\n"
  }
}

three lines of 90, cut inside the third:
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\nbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\ncccccccccccccccccc"+...length:273
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" +
  "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\n" +
  "cccccccccccccccccc" +
  ... length: 273
{
  "/partialString": {
    length: 273,
    excerpt: "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" +
      "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\n" +
      "cccccccccccccccccc"
  }
}

in an array:
["one line","xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"+...length:250,"one\ntwo\nthree","one\ntwo\nthree\nfour\nfive\n"+...length:33]
[
  "one line",
  "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" +
    ... length: 250,
  "one\n" +
    "two\n" +
    "three",
  "one\n" +
    "two\n" +
    "three\n" +
    "four\n" +
    "five\n" +
    ... length: 33
]
[
  "one line",
  {
    "/partialString": {
      length: 250,
      excerpt: "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
    }
  },
  "one\n" +
    "two\n" +
    "three",
  {
    "/partialString": {
      length: 33,
      excerpt: "one\n" +
        "two\n" +
        "three\n" +
        "four\n" +
        "five\n"
    }
  }
]

in an object:
{lines:"one\ntwo\nthree",long:"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"+...length:250}
{
  lines: "one\n" +
    "two\n" +
    "three",
  long: "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" +
    ... length: 250
}
{
  lines: "one\n" +
    "two\n" +
    "three",
  long: {
    "/partialString": {
      length: 250,
      excerpt: "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
    }
  }
}