{
  "protocolVersion": "2.0",
  "measure": "MAX_CATEGORY_TEXT and MAX_RECORD_TEXT count the UTF-8 bytes of each category text after NFC; MAX_RECORD_BYTES counts the bytes of the RFC 8785 serialization of the two-section record, metadata.application.data included, which equals the UTF-8 length of ECMAScript JSON.stringify of it in any member order (§8.8.6)",
  "usage": "Expand each case: the base record with each fill category text set to unit repeated count times and, when applicationBytes is given, metadata.application set to { mediaType: \"application/octet-stream\", schema: \"https://meshcognition.org/schema/size-fixture-v1.json\", encoding: \"base64url\", byteLength, digest, data } over that many bytes of 0x61. Its digest is \"sha256-\" followed by the lowercase hex SHA-256 of those bytes (§8.8.3), and data is their unpadded base64url. Measure; compare. Only the size verdict is pinned: an expanded record keeps the base key and signature.",
  "limits": {
    "MAX_CATEGORY_TEXT": 262144,
    "MAX_RECORD_TEXT": 524288,
    "MAX_RECORD_BYTES": 737280,
    "MAX_SEALED_RECORD_CHARS": 983062
  },
  "base": {
    "categories": {
      "focus": {
        "text": "publish corrected MMP conformance artifacts",
        "meta": {
          "key": "5016f1bd82f5ec8ad064f9fb0a47c10988190c407c9d534e76b366634bf2e268",
          "parents": []
        }
      },
      "issue": {
        "text": "the public vectors and runtime disagree",
        "meta": {
          "key": "8f37da919d4165770650b6508b66af65f0710157209b10724e7cc4aab717da83",
          "parents": [
            "cmb-abababababababababababababababababababababababababababababababab"
          ]
        }
      },
      "intent": {
        "text": "make independent implementations interoperate",
        "meta": {
          "key": "f47998bfc4aedee3ac20c485f9cd07caacccf622ceced426c02e178741718f67",
          "parents": []
        }
      },
      "motivation": {
        "text": "a protocol claim must be executable",
        "meta": {
          "key": "9dfa469fab3eeb8c98f79df69c3b2f02f277a017f9cbe3bf0f32ccbf9a4f129d",
          "parents": []
        }
      },
      "commitment": {
        "text": "one contract drives every implementation",
        "meta": {
          "key": "d3bbf94949feceaea72667efe8c43a4bf3aed557ecc632caf82b7c3f2447e3c8",
          "parents": []
        }
      },
      "perspective": {
        "text": "protocol editor",
        "meta": {
          "key": "3e48fe2e89a1e02f5c17c08e853bd09d5355d18a491a1bd926568089626ffa35",
          "parents": []
        }
      },
      "mood": {
        "text": "determined",
        "meta": {
          "key": "a515fb1d0492e7661b89c2b02d6bf81372ee07560bfca054863c76dec74880da",
          "parents": []
        }
      }
    },
    "metadata": {
      "key": "cmb-7f7b55653aa9854999c2efeb9751ce4428f9dfe95839e34e4358ab0be5cdf98d",
      "addressScheme": "mmp-cmb-merkle-v2",
      "signatureSuite": "mmp-sig-v2.0",
      "createdByNodeId": "018f47a0-7b21-7abc-8def-0123456789ab",
      "createdBy": "vector-author",
      "createdTimestamp": 1786611600000,
      "room": "conformance-room",
      "to": "018f47a0-7b21-7abc-8def-fedcba987654",
      "lineage": {
        "parents": [
          "cmb-abababababababababababababababababababababababababababababababab"
        ],
        "method": "svaf-heuristic"
      },
      "application": null,
      "assertionId": "asrt-926d08932fe23abc3950001f80df80f93f9ae0942eb04329cd5d6c4748a0ff7e",
      "sigAlg": "ed25519",
      "sig": "ae5wP18m0_bGBxiqL4faj70eTjwK_nZL1FocG021xhwmHqmX1Ne3SlVZzdquOZiuh5haKtss6nGXWZdvXzVpCg"
    }
  },
  "cases": [
    {
      "label": "a published record, measured",
      "expected": {
        "categoryTextBytes": {
          "focus": 43,
          "issue": 39,
          "intent": 45,
          "motivation": 35,
          "commitment": 40,
          "perspective": 15,
          "mood": 10
        },
        "recordTextBytes": 227,
        "recordBytes": 1820,
        "within": true,
        "over": []
      }
    },
    {
      "label": "CJK text is measured as its UTF-8 bytes (3 a character), never as \\u escapes (6)",
      "fill": {
        "focus": {
          "unit": "認知",
          "count": 1000
        }
      },
      "expected": {
        "categoryTextBytes": {
          "focus": 6000,
          "issue": 39,
          "intent": 45,
          "motivation": 35,
          "commitment": 40,
          "perspective": 15,
          "mood": 10
        },
        "recordTextBytes": 6184,
        "recordBytes": 7777,
        "notTheMeasure": {
          "asciiEscapedBytes": 13777
        },
        "within": true,
        "over": []
      }
    },
    {
      "label": "one category at MAX_CATEGORY_TEXT",
      "fill": {
        "focus": {
          "unit": "a",
          "count": 262144
        }
      },
      "expected": {
        "categoryTextBytes": {
          "focus": 262144,
          "issue": 39,
          "intent": 45,
          "motivation": 35,
          "commitment": 40,
          "perspective": 15,
          "mood": 10
        },
        "recordTextBytes": 262328,
        "recordBytes": 263921,
        "within": true,
        "over": []
      }
    },
    {
      "label": "one category a byte over MAX_CATEGORY_TEXT",
      "fill": {
        "focus": {
          "unit": "a",
          "count": 262145
        }
      },
      "expected": {
        "categoryTextBytes": {
          "focus": 262145,
          "issue": 39,
          "intent": 45,
          "motivation": 35,
          "commitment": 40,
          "perspective": 15,
          "mood": 10
        },
        "recordTextBytes": 262329,
        "recordBytes": 263922,
        "within": false,
        "over": [
          "MAX_CATEGORY_TEXT"
        ]
      }
    },
    {
      "label": "three-byte characters: within the schema maxLength, over MAX_CATEGORY_TEXT",
      "fill": {
        "focus": {
          "unit": "漢",
          "count": 87382
        }
      },
      "expected": {
        "categoryTextBytes": {
          "focus": 262146,
          "issue": 39,
          "intent": 45,
          "motivation": 35,
          "commitment": 40,
          "perspective": 15,
          "mood": 10
        },
        "recordTextBytes": 262330,
        "recordBytes": 263923,
        "notTheMeasure": {
          "asciiEscapedBytes": 526069
        },
        "within": false,
        "over": [
          "MAX_CATEGORY_TEXT"
        ]
      }
    },
    {
      "label": "the seven texts at MAX_RECORD_TEXT",
      "fill": {
        "focus": {
          "unit": "a",
          "count": 262144
        },
        "issue": {
          "unit": "b",
          "count": 261999
        }
      },
      "expected": {
        "categoryTextBytes": {
          "focus": 262144,
          "issue": 261999,
          "intent": 45,
          "motivation": 35,
          "commitment": 40,
          "perspective": 15,
          "mood": 10
        },
        "recordTextBytes": 524288,
        "recordBytes": 525881,
        "within": true,
        "over": []
      }
    },
    {
      "label": "the seven texts a byte over MAX_RECORD_TEXT",
      "fill": {
        "focus": {
          "unit": "a",
          "count": 262144
        },
        "issue": {
          "unit": "b",
          "count": 262000
        }
      },
      "expected": {
        "categoryTextBytes": {
          "focus": 262144,
          "issue": 262000,
          "intent": 45,
          "motivation": 35,
          "commitment": 40,
          "perspective": 15,
          "mood": 10
        },
        "recordTextBytes": 524289,
        "recordBytes": 525882,
        "within": false,
        "over": [
          "MAX_RECORD_TEXT"
        ]
      }
    },
    {
      "label": "CJK text within every limit, which an encoder that escapes non-ASCII would measure over MAX_RECORD_BYTES",
      "fill": {
        "focus": {
          "unit": "漢",
          "count": 87357
        },
        "issue": {
          "unit": "漢",
          "count": 87357
        }
      },
      "expected": {
        "categoryTextBytes": {
          "focus": 262071,
          "issue": 262071,
          "intent": 45,
          "motivation": 35,
          "commitment": 40,
          "perspective": 15,
          "mood": 10
        },
        "recordTextBytes": 524287,
        "recordBytes": 525880,
        "notTheMeasure": {
          "asciiEscapedBytes": 1050022,
          "asciiEscapedVerdict": "over MAX_RECORD_BYTES: the wrong measure refuses a record that is within"
        },
        "within": true,
        "over": []
      }
    },
    {
      "label": "the encoded record at MAX_RECORD_BYTES",
      "fill": {
        "focus": {
          "unit": "a",
          "count": 95266
        }
      },
      "applicationBytes": 480000,
      "expected": {
        "categoryTextBytes": {
          "focus": 95266,
          "issue": 39,
          "intent": 45,
          "motivation": 35,
          "commitment": 40,
          "perspective": 15,
          "mood": 10
        },
        "recordTextBytes": 95450,
        "recordBytes": 737280,
        "within": true,
        "over": []
      }
    },
    {
      "label": "the encoded record a byte over MAX_RECORD_BYTES, every text within",
      "fill": {
        "focus": {
          "unit": "a",
          "count": 95267
        }
      },
      "applicationBytes": 480000,
      "expected": {
        "categoryTextBytes": {
          "focus": 95267,
          "issue": 39,
          "intent": 45,
          "motivation": 35,
          "commitment": 40,
          "perspective": 15,
          "mood": 10
        },
        "recordTextBytes": 95451,
        "recordBytes": 737281,
        "within": false,
        "over": [
          "MAX_RECORD_BYTES"
        ]
      }
    }
  ]
}