[language-model-tool-use.tentative.https.window.html]
  [createLanguageModel should reject when tool has null inputSchema.]
    expected: FAIL

  [createLanguageModel should reject when tool inputSchema is empty object without type property.]
    expected: FAIL

  [createLanguageModel should reject when tool inputSchema is not an object.]
    expected: FAIL

  [createLanguageModel should reject when tool inputSchema has no type property.]
    expected: FAIL

  [createLanguageModel should reject when tool inputSchema type is not object.]
    expected: FAIL

  [createLanguageModel should reject when tool inputSchema properties is not an object.]
    expected: FAIL

  [createLanguageModel should reject when tool inputSchema required is not an array.]
    expected: FAIL

  [createLanguageModel should propagate exception when inputSchema getter throws.]
    expected: FAIL

  [createLanguageModel should propagate exception when inputSchema type getter throws.]
    expected: FAIL

  [createLanguageModel should reject when tool has empty name.]
    expected: FAIL

  [createLanguageModel should reject when tool has empty description.]
    expected: FAIL

  [createLanguageModel should reject when tools array contains duplicate tool names.]
    expected: FAIL

  [createLanguageModel should reject when tool has no inputSchema.]
    expected: FAIL

  [createLanguageModel should reject when tool has circular reference in inputSchema]
    expected: FAIL

  [createLanguageModel should reject when all tools have circular references]
    expected: FAIL

  [createLanguageModel should propagate V8 exception from custom toJSON()]
    expected: FAIL

  [createLanguageModel should propagate V8 exception from custom getter during serialization]
    expected: FAIL

  [createLanguageModel should fail-fast when one tool among many is invalid]
    expected: FAIL

  [createLanguageModel with schema containing invalid-JSON-like text (trailing commas, comments) as string content succeeds because JSON.stringify escapes properly]
    expected: FAIL

  [createLanguageModel should succeed with empty tools array.]
    expected: FAIL

  [createLanguageModel should succeed with no tools property.]
    expected: FAIL

  [createLanguageModel should reject when tools provided but expectedOutputs is missing.]
    expected: FAIL

  [createLanguageModel should reject when tools provided but expectedOutputs does not include tool-call.]
    expected: FAIL

  [createLanguageModel should succeed when tools provided with tool-call in expectedOutputs.]
    expected: FAIL

  [createLanguageModel should succeed with tool-call in expectedOutputs but no tools.]
    expected: FAIL

  [prompt() should return structured tool call messages in open-loop pattern]
    expected: FAIL

  [Open-loop pattern - send tool response via follow-up prompt]
    expected: FAIL

  [Tool response with DOM object (ImageBitmap) labeled as type object should reject]
    expected: FAIL

  [Multimodal tool response with ImageBitmap throws NotSupportedError]
    expected: FAIL

  [Multimodal tool response with AudioBuffer throws NotSupportedError]
    expected: FAIL

  [promptStreaming() should stream tool call messages]
    expected: FAIL

  [Tool with no arguments should have empty arguments object]
    expected: FAIL

  [Multiple tools can be declared and called]
    expected: FAIL

  [Tool response can include error field]
    expected: FAIL

  [Tool response with circular reference should reject with DataError]
    expected: FAIL

  [Tool response with function value should reject with DataError]
    expected: FAIL

  [Tool response with BigInt value should reject with DataError]
    expected: FAIL

  [Tool response with valid serializable values should succeed]
    expected: FAIL

  [Cloned model should preserve tools]
    expected: FAIL

  [prompt() returns both text and tool call in correct order when model outputs mixed response]
    expected: FAIL

  [prompt() should handle multiple batches of tool calls from model]
    expected: FAIL

  [promptStreaming() should handle multiple batches of tool calls from model]
    expected: FAIL