{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://raw.githubusercontent.com/microsoft/testfx/main/docs/mstest-assertion-failure-state.schema.json",
  "title": "MSTest assertion failure state",
  "description": "Diagnostic state captured by MSTest immediately before an assertion exception is thrown.",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "schemaVersion",
    "captureIndex",
    "capturedAtUtc",
    "assertion",
    "test",
    "thread",
    "activeTests",
    "activeTestsTruncated",
    "process",
    "stackFrames"
  ],
  "properties": {
    "schemaVersion": {
      "const": 1,
      "description": "Version of this artifact schema. It is incremented for breaking changes."
    },
    "captureIndex": {
      "type": "integer",
      "minimum": 1,
      "maximum": 3,
      "description": "One-based index of this capture within the test execution attempt."
    },
    "capturedAtUtc": {
      "type": "string",
      "format": "date-time",
      "description": "UTC timestamp at which the assertion state was captured."
    },
    "assertion": {
      "$ref": "#/definitions/assertion"
    },
    "test": {
      "$ref": "#/definitions/test"
    },
    "thread": {
      "$ref": "#/definitions/thread"
    },
    "activeTests": {
      "type": "array",
      "minItems": 1,
      "maxItems": 128,
      "description": "Snapshot of tests active in the same test-host process. The failing test is listed first.",
      "items": {
        "$ref": "#/definitions/activeTest"
      }
    },
    "activeTestsTruncated": {
      "type": "boolean",
      "description": "Whether the activeTests snapshot exceeded its 128-entry limit."
    },
    "process": {
      "$ref": "#/definitions/process"
    },
    "stackFrames": {
      "type": "array",
      "maxItems": 64,
      "description": "Managed stack frames captured before the assertion exception unwinds the user stack.",
      "items": {
        "$ref": "#/definitions/stackFrame"
      }
    }
  },
  "definitions": {
    "assertion": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "message"
      ],
      "properties": {
        "message": {
          "type": "string",
          "maxLength": 32768,
          "description": "Formatted assertion failure message."
        },
        "expected": {
          "type": "string",
          "maxLength": 16384,
          "description": "Formatted expected value when the assertion supplies one."
        },
        "actual": {
          "type": "string",
          "maxLength": 16384,
          "description": "Formatted actual value when the assertion supplies one."
        }
      }
    },
    "test": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "fullyQualifiedName",
        "displayName",
        "attempt",
        "elapsedMilliseconds"
      ],
      "properties": {
        "fullyQualifiedName": {
          "type": "string",
          "maxLength": 2048
        },
        "displayName": {
          "type": "string",
          "maxLength": 2048
        },
        "attempt": {
          "type": "integer",
          "minimum": 0
        },
        "elapsedMilliseconds": {
          "type": "number",
          "minimum": 0
        }
      }
    },
    "thread": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "managedThreadId"
      ],
      "properties": {
        "managedThreadId": {
          "type": "integer",
          "minimum": 1
        },
        "name": {
          "type": "string",
          "maxLength": 2048
        }
      }
    },
    "activeTest": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "fullyQualifiedName",
        "displayName",
        "attempt",
        "startedAtUtc",
        "elapsedMilliseconds",
        "isFailingTest"
      ],
      "properties": {
        "fullyQualifiedName": {
          "type": "string",
          "maxLength": 2048
        },
        "displayName": {
          "type": "string",
          "maxLength": 2048
        },
        "attempt": {
          "type": "integer",
          "minimum": 0
        },
        "startedAtUtc": {
          "type": "string",
          "format": "date-time"
        },
        "elapsedMilliseconds": {
          "type": "number",
          "minimum": 0
        },
        "isFailingTest": {
          "type": "boolean"
        }
      }
    },
    "process": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "processId",
        "frameworkDescription",
        "operatingSystemDescription",
        "processArchitecture",
        "currentCulture",
        "currentUICulture",
        "processorCount",
        "totalProcessorTimeMilliseconds",
        "workingSetBytes",
        "privateMemoryBytes",
        "managedHeapBytes",
        "processIoAvailable"
      ],
      "properties": {
        "processId": {
          "type": "integer",
          "minimum": 1
        },
        "processName": {
          "type": "string",
          "maxLength": 2048
        },
        "frameworkDescription": {
          "type": "string",
          "maxLength": 2048
        },
        "operatingSystemDescription": {
          "type": "string",
          "maxLength": 2048
        },
        "processArchitecture": {
          "type": "string",
          "maxLength": 2048
        },
        "currentCulture": {
          "type": "string",
          "maxLength": 2048,
          "description": "Name of CultureInfo.CurrentCulture on the thread that observed the assertion."
        },
        "currentUICulture": {
          "type": "string",
          "maxLength": 2048,
          "description": "Name of CultureInfo.CurrentUICulture on the thread that observed the assertion."
        },
        "processorCount": {
          "type": "integer",
          "minimum": 1
        },
        "cpuPercentDuringTest": {
          "type": "number",
          "minimum": 0,
          "maximum": 100,
          "description": "Process CPU usage since the test started, normalized across logical processors."
        },
        "totalProcessorTimeMilliseconds": {
          "type": "number",
          "minimum": 0
        },
        "workingSetBytes": {
          "type": "integer",
          "minimum": 0
        },
        "privateMemoryBytes": {
          "type": "integer",
          "minimum": 0
        },
        "managedHeapBytes": {
          "type": "integer",
          "minimum": 0
        },
        "gcMemoryLoadBytes": {
          "type": "integer",
          "minimum": 0
        },
        "gcTotalAvailableMemoryBytes": {
          "type": "integer",
          "minimum": 0
        },
        "processIoAvailable": {
          "type": "boolean"
        },
        "processIoReadBytesDuringTest": {
          "type": "integer",
          "minimum": 0
        },
        "processIoWriteBytesDuringTest": {
          "type": "integer",
          "minimum": 0
        },
        "processIoReadBytesPerSecond": {
          "type": "number",
          "minimum": 0
        },
        "processIoWriteBytesPerSecond": {
          "type": "number",
          "minimum": 0
        },
        "outputVolumePath": {
          "type": "string",
          "maxLength": 2048,
          "description": "Root path of the volume containing the test output directory."
        },
        "outputVolumeAvailableFreeBytes": {
          "type": "integer",
          "minimum": 0
        },
        "outputVolumeTotalBytes": {
          "type": "integer",
          "minimum": 0
        },
        "outputVolumeError": {
          "type": "string",
          "maxLength": 2048,
          "description": "Best-effort error when output-volume capacity could not be read."
        }
      },
      "oneOf": [
        {
          "required": [
            "outputVolumePath",
            "outputVolumeAvailableFreeBytes",
            "outputVolumeTotalBytes"
          ],
          "not": {
            "required": [
              "outputVolumeError"
            ]
          }
        },
        {
          "required": [
            "outputVolumeError"
          ],
          "not": {
            "anyOf": [
              {
                "required": [
                  "outputVolumePath"
                ]
              },
              {
                "required": [
                  "outputVolumeAvailableFreeBytes"
                ]
              },
              {
                "required": [
                  "outputVolumeTotalBytes"
                ]
              }
            ]
          }
        }
      ]
    },
    "stackFrame": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "line",
        "column",
        "isFrameworkFrame"
      ],
      "properties": {
        "method": {
          "type": "string",
          "maxLength": 4096
        },
        "assembly": {
          "type": "string",
          "maxLength": 2048
        },
        "file": {
          "type": "string",
          "maxLength": 4096
        },
        "line": {
          "type": "integer",
          "minimum": 0
        },
        "column": {
          "type": "integer",
          "minimum": 0
        },
        "isFrameworkFrame": {
          "type": "boolean"
        }
      }
    }
  }
}