}

const maxBytes = randInt(rng, 1, 1 << 20);

const result = await readJsonBodyOrError(makeRequest(), res, maxBytes);

const req = makeRequest();

const result = await readJsonBodyOrError(req, res, maxBytes);

if (pick === 0) {

expect(result).toEqual(expectedValue);

} else {

expect(result).toBeUndefined();

expect(res.statusCode).toBe(expectedStatus);

expect(end).toHaveBeenCalledWith(expectedBody);

}

expect(readJsonBodyMock).toHaveBeenLastCalledWith(expect.anything(), maxBytes);

expect(readJsonBodyMock).toHaveBeenLastCalledWith(req, maxBytes);

}

});

});