ext/node/polyfills/assert.ts - main - githubmirror/deno

ext/node/polyfills/assert.ts
1 016 строк23 KB
refactor(ext/node): use primordials across the node:* polyfill layer (#34721)
03 июн 2026, 17:24
03 июн 2026, 17:249935b92
// Copyright 2018-2026 the Deno authors. MIT license.

// deno-lint-ignore-file no-process-global

(function () {
const { core, primordials } = __bootstrap;
const { AssertionError } = core.loadExtScript(
  "ext:deno_node/internal/assert/assertion_error.js",
);
const { innerOk } = core.loadExtScript(
  "ext:deno_node/internal/assert/utils.ts",
);
const { inspect } = core.loadExtScript("ext:deno_node/util.ts");
const {
  ERR_AMBIGUOUS_ARGUMENT,
  ERR_CONSTRUCT_CALL_REQUIRED,
  ERR_INVALID_ARG_TYPE,
  ERR_INVALID_ARG_VALUE,
  ERR_INVALID_RETURN_VALUE,
  ERR_MISSING_ARGS,
} = core.loadExtScript("ext:deno_node/internal/errors.ts");
const {
  isDeepEqual,
  isDeepStrictEqual,
  isPartialStrictEqual,
} = core.loadExtScript("ext:deno_node/internal/util/comparisons.ts");
const { CallTracker } = core.loadExtScript(
  "ext:deno_node/internal/assert/calltracker.js",
);
const { deprecate } = core.loadExtScript("ext:deno_node/util.ts");
const { isPromise, isRegExp } = core.loadExtScript(
  "ext:deno_node/internal_binding/types.ts",
);
const {
  validateFunction,
  validateOneOf,
} = core.loadExtScript("ext:deno_node/internal/validators.mjs");
const { isError } = core.loadExtScript("ext:deno_node/internal/util.mjs");

const {
  ArrayPrototypeForEach,
  ArrayPrototypeIndexOf,
  ArrayPrototypeJoin,
  ArrayPrototypePush,
  ArrayPrototypeSlice,
  Error,
  ErrorPrototype,
  NumberIsNaN,
  ObjectAssign,
  ObjectDefineProperty,
  ObjectIs,
  ObjectKeys,
  ObjectPrototypeIsPrototypeOf,
  ReflectApply,
  ReflectHas,
  RegExpPrototypeExec,
  SafeArrayIterator,
  StringPrototypeIndexOf,
  StringPrototypeSlice,
  StringPrototypeSplit,
  String,
  Symbol,
} = primordials;

const kOptions = Symbol("options");

const NO_EXCEPTION_SENTINEL = {};

function Assert(options) {
  if (!new.target) {
    throw new ERR_CONSTRUCT_CALL_REQUIRED("Assert");
  }

  options = ObjectAssign({
    __proto__: null,
    strict: true,
    skipPrototype: false,
  }, options);

  const allowedDiffs = ["simple", "full"];
  if (options.diff !== undefined) {
    validateOneOf(options.diff, "options.diff", allowedDiffs);
  }

  this.AssertionError = AssertionError;
  ObjectDefineProperty(this, kOptions, {
    __proto__: null,
    value: options,
    enumerable: false,
    configurable: false,
    writable: false,
  });

  if (options.strict) {
    this.equal = this.strictEqual;
    this.deepEqual = this.deepStrictEqual;
    this.notEqual = this.notStrictEqual;
    this.notDeepEqual = this.notDeepStrictEqual;
  }
}

Assert.prototype.fail = fail;
// Duplicate of the `ok` function below so we don't inherit
// the extra assigned properties from `assert` function later on.
Assert.prototype.ok = function ok(...args) {
  innerOk(ok, args.length, ...new SafeArrayIterator(args));
};
Assert.prototype.equal = equal;
Assert.prototype.notEqual = notEqual;
Assert.prototype.deepEqual = deepEqual;
Assert.prototype.notDeepEqual = notDeepEqual;
Assert.prototype.deepStrictEqual = deepStrictEqual;
Assert.prototype.notDeepStrictEqual = notDeepStrictEqual;
Assert.prototype.strictEqual = strictEqual;
Assert.prototype.notStrictEqual = notStrictEqual;
Assert.prototype.partialDeepStrictEqual = partialDeepStrictEqual;
Assert.prototype.throws = throws;
Assert.prototype.rejects = rejects;
Assert.prototype.doesNotThrow = doesNotThrow;
Assert.prototype.doesNotReject = doesNotReject;
Assert.prototype.ifError = ifError;
Assert.prototype.match = match;
Assert.prototype.doesNotMatch = doesNotMatch;

function innerFail(obj) {
  if (ObjectPrototypeIsPrototypeOf(ErrorPrototype, obj.message)) {
    throw obj.message;
  }

  throw new AssertionError({
    actual: obj.actual,
    expected: obj.expected,
    message: obj.message,
    operator: obj.operator,
    stackStartFn: obj.stackStartFn,
    diff: obj.diff,
  });
}

function assert(...args) {
  innerOk(ok, args.length, ...new SafeArrayIterator(args));
}
const ok = assert;

class Comparison {
  constructor(obj, keys, actual) {
    for (const key of new SafeArrayIterator(keys)) {
      if (ReflectHas(obj, key)) {
        if (
          actual !== undefined &&
          typeof actual[key] === "string" &&
          isRegExp(obj[key]) &&
          RegExpPrototypeExec(obj[key], actual[key]) !== null
        ) {
          this[key] = actual[key];
        } else {
          this[key] = obj[key];
        }
      }
    }
  }
}

function compareExceptionKey(
  actual,
  expected,
  key,
  message,
  keys,
  fn,
) {
  if (
    !ReflectHas(actual, key) || !isDeepStrictEqual(actual[key], expected[key])
  ) {
    if (!message) {
      // Create placeholder objects to create a nice output.
      const a = new Comparison(actual, keys);
      const b = new Comparison(expected, keys, actual);

      const err = new AssertionError({
        actual: a,
        expected: b,
        operator: "deepStrictEqual",
        stackStartFn: fn,
        diff: this?.[kOptions]?.diff,
      });
      err.actual = actual;
      err.expected = expected;
      err.operator = fn.name;
      throw err;
    }
    innerFail({
      actual,
      expected,
      message,
      operator: fn.name,
      stackStartFn: fn,
      diff: this?.[kOptions]?.diff,
    });
  }
}

function expectedException(
  actual,
  expected,
  message,
  fn,
) {
  let generatedMessage = false;
  let throwError = false;

  if (typeof expected !== "function") {
    // Handle regular expressions.
    if (isRegExp(expected)) {
      const str = String(actual);
      if (RegExpPrototypeExec(expected, str) !== null) {
        return;
      }

      if (!message) {
        generatedMessage = true;
        message = "The input did not match the regular expression " +
          `${inspect(expected)}. Input:\n\n${inspect(str)}\n`;
      }
      throwError = true;
      // Handle primitives properly.
    } else if (typeof actual !== "object" || actual === null) {
      const err = new AssertionError({
        actual,
        expected,
        message,
        operator: "deepStrictEqual",
        stackStartFn: fn,
        diff: this?.[kOptions]?.diff,
      });
      err.operator = fn.name;
      throw err;
    } else {
      // Handle validation objects.
      const keys = ObjectKeys(expected);
      // Special handle errors to make sure the name and the message are
      // compared as well.
      if (ObjectPrototypeIsPrototypeOf(ErrorPrototype, expected)) {
        ArrayPrototypePush(keys, "name", "message");
      } else if (keys.length === 0) {
        throw new ERR_INVALID_ARG_VALUE(
          "error",
          expected,
          "may not be an empty object",
        );
      }
      for (const key of new SafeArrayIterator(keys)) {
        if (
          typeof actual[key] === "string" &&
          isRegExp(expected[key]) &&
          RegExpPrototypeExec(expected[key], actual[key]) !== null
        ) {
          continue;
        }
        compareExceptionKey(actual, expected, key, message, keys, fn);
      }
      return;
    }
    // Guard instanceof against arrow functions as they don't have a prototype.
    // Check for matching Error classes.
  } else if (
    expected.prototype !== undefined &&
    ObjectPrototypeIsPrototypeOf(expected.prototype, actual)
  ) {
    return;
  } else if (ObjectPrototypeIsPrototypeOf(Error, expected)) {
    if (!message) {
      generatedMessage = true;
      message = "The error is expected to be an instance of " +
        `"${expected.name}". Received `;
      if (isError(actual)) {
        const name = (actual.constructor?.name) ||
          actual.name;
        if (expected.name === name) {
          message += "an error with identical name but a different prototype.";
        } else {
          message += `"${name}"`;
        }
        if (actual.message) {
          message += `\n\nError message:\n\n${actual.message}`;
        }
      } else {
        message += `"${inspect(actual, { depth: -1 })}"`;
      }
    }
    throwError = true;
  } else {
    // Check validation functions return value.
    const res = ReflectApply(expected, {}, [actual]);
    if (res !== true) {
      if (!message) {
        generatedMessage = true;
        const name = expected.name ? `"${expected.name}" ` : "";
        message = `The ${name}validation function is expected to return` +
          ` "true". Received ${inspect(res)}`;

        if (isError(actual)) {
          message += `\n\nCaught error:\n\n${actual}`;
        }
      }
      throwError = true;
    }
  }

  if (throwError) {
    const err = new AssertionError({
      actual,
      expected,
      message,
      operator: fn.name,
      stackStartFn: fn,
      diff: this?.[kOptions]?.diff,
    });
    err.generatedMessage = generatedMessage;
    throw err;
  }
}

function getActual(fn) {
  validateFunction(fn, "fn");
  try {
    fn();
  } catch (e) {
    return e;
  }
  return NO_EXCEPTION_SENTINEL;
}

function checkIsPromise(obj) {
  // Accept native ES6 promises and promises that are implemented in a similar
  // way. Do not accept thenables that use a function as `obj` and that have no
  // `catch` handler.
  return isPromise(obj) ||
    (obj !== null && typeof obj === "object" &&
      typeof obj.then === "function" &&
      typeof obj.catch === "function");
}

async function waitForActual(
  promiseFn,
) {
  let resultPromise;
  if (typeof promiseFn === "function") {
    // Return a rejected promise if `promiseFn` throws synchronously.
    resultPromise = promiseFn();
    // Fail in case no promise is returned.
    if (!checkIsPromise(resultPromise)) {
      throw new ERR_INVALID_RETURN_VALUE(
        "instance of Promise",
        "promiseFn",
        resultPromise,
      );
    }
  } else if (checkIsPromise(promiseFn)) {
    resultPromise = promiseFn;
  } else {
    throw new ERR_INVALID_ARG_TYPE(
      "promiseFn",
      ["Function", "Promise"],
      promiseFn,
    );
  }

  try {
    await resultPromise;
  } catch (e) {
    return e;
  }
  return NO_EXCEPTION_SENTINEL;
}

function expectsError(
  stackStartFn,
  actual,
  error,
  message,
) {
  if (typeof error === "string") {
    if (arguments.length === 4) {
      throw new ERR_INVALID_ARG_TYPE("error", [
        "Object",
        "Error",
        "Function",
        "RegExp",
      ], error);
    }
    if (typeof actual === "object" && actual !== null) {
      if (actual.message === error) {
        throw new ERR_AMBIGUOUS_ARGUMENT(
          "error/message",
          `The error message "${actual.message}" is identical to the message.`,
        );
      }
    } else if (actual === error) {
      throw new ERR_AMBIGUOUS_ARGUMENT(
        "error/message",
        `The error "${actual}" is identical to the message.`,
      );
    }
    message = error;
    error = undefined;
  } else if (
    error != null &&
    typeof error !== "object" &&
    typeof error !== "function"
  ) {
    throw new ERR_INVALID_ARG_TYPE("error", [
      "Object",
      "Error",
      "Function",
      "RegExp",
    ], error);
  }

  if (actual === NO_EXCEPTION_SENTINEL) {
    let details = "";
    if (error?.name) {
      details += ` (${error.name})`;
    }
    details += message ? `: ${message}` : ".";
    const fnType = stackStartFn === rejects ? "rejection" : "exception";
    innerFail({
      actual: undefined,
      expected: error,
      operator: stackStartFn.name,
      message: `Missing expected ${fnType}${details}`,
      stackStartFn,
      diff: this?.[kOptions]?.diff,
    });
  }

  if (!error) {
    return;
  }

  expectedException(actual, error, message, stackStartFn);
}

function hasMatchingError(actual, expected) {
  if (typeof expected !== "function") {
    if (isRegExp(expected)) {
      const str = String(actual);
      return RegExpPrototypeExec(expected, str) !== null;
    }
    throw new ERR_INVALID_ARG_TYPE(
      "expected",
      ["Function", "RegExp"],
      expected,
    );
  }
  // Guard instanceof against arrow functions as they don't have a prototype.
  if (
    expected.prototype !== undefined &&
    ObjectPrototypeIsPrototypeOf(expected.prototype, actual)
  ) {
    return true;
  }
  if (ObjectPrototypeIsPrototypeOf(Error, expected)) {
    return false;
  }
  return ReflectApply(expected, {}, [actual]) === true;
}

function expectsNoError(
  stackStartFn,
  actual,
  error,
  message,
) {
  if (actual === NO_EXCEPTION_SENTINEL) {
    return;
  }

  if (typeof error === "string") {
    message = error;
    error = undefined;
  }

  if (!error || hasMatchingError(actual, error)) {
    const details = message ? `: ${message}` : ".";
    const fnType = stackStartFn === doesNotReject ? "rejection" : "exception";
    innerFail({
      actual,
      expected: error,
      operator: stackStartFn.name,
      message: `Got unwanted ${fnType}${details}\n` +
        `Actual message: "${actual?.message}"`,
      stackStartFn,
      diff: this?.[kOptions]?.diff,
    });
  }
  throw actual;
}

function throws(
  fn,
  ...args
) {
  expectsError(throws, getActual(fn), ...new SafeArrayIterator(args));
}

function doesNotThrow(
  fn,
  ...args
) {
  expectsNoError(doesNotThrow, getActual(fn), ...new SafeArrayIterator(args));
}

function equal(
  actual,
  expected,
  message,
) {
  if (arguments.length < 2) {
    throw new ERR_MISSING_ARGS("actual", "expected");
  }

  if (
    actual != expected && (!NumberIsNaN(actual) || !NumberIsNaN(expected))
  ) {
    innerFail({
      actual,
      expected,
      message,
      operator: "==",
      stackStartFn: equal,
      diff: this?.[kOptions]?.diff,
    });
  }
}

function notEqual(
  actual,
  expected,
  message,
) {
  if (arguments.length < 2) {
    throw new ERR_MISSING_ARGS("actual", "expected");
  }

  if (actual == expected || (NumberIsNaN(actual) && NumberIsNaN(expected))) {
    innerFail({
      actual,
      expected,
      message,
      operator: "!=",
      stackStartFn: notEqual,
      diff: this?.[kOptions]?.diff,
    });
  }
}

function strictEqual(
  actual,
  expected,
  message,
) {
  if (arguments.length < 2) {
    throw new ERR_MISSING_ARGS("actual", "expected");
  }

  if (!ObjectIs(actual, expected)) {
    innerFail({
      actual,
      expected,
      message,
      operator: "strictEqual",
      stackStartFn: strictEqual,
      diff: this?.[kOptions]?.diff,
    });
  }
}

function notStrictEqual(
  actual,
  expected,
  message,
) {
  if (arguments.length < 2) {
    throw new ERR_MISSING_ARGS("actual", "expected");
  }

  if (ObjectIs(actual, expected)) {
    innerFail({
      actual,
      expected,
      message,
      operator: "notStrictEqual",
      stackStartFn: notStrictEqual,
      diff: this?.[kOptions]?.diff,
    });
  }
}

function partialDeepStrictEqual(
  actual,
  expected,
  message,
) {
  if (arguments.length < 2) {
    throw new ERR_MISSING_ARGS("actual", "expected");
  }
  if (!isPartialStrictEqual(actual, expected)) {
    innerFail({
      actual,
      expected,
      message,
      operator: "partialDeepStrictEqual",
      stackStartFn: partialDeepStrictEqual,
      diff: this?.[kOptions]?.diff,
    });
  }
}

function deepEqual(
  actual,
  expected,
  message,
) {
  if (arguments.length < 2) {
    throw new ERR_MISSING_ARGS("actual", "expected");
  }

  if (!isDeepEqual(actual, expected)) {
    innerFail({
      actual,
      expected,
      message,
      operator: "deepEqual",
      stackStartFn: deepEqual,
      diff: this?.[kOptions]?.diff,
    });
  }
}

function notDeepEqual(
  actual,
  expected,
  message,
) {
  if (arguments.length < 2) {
    throw new ERR_MISSING_ARGS("actual", "expected");
  }

  if (isDeepEqual(actual, expected)) {
    innerFail({
      actual,
      expected,
      message,
      operator: "notDeepEqual",
      stackStartFn: notDeepEqual,
      diff: this?.[kOptions]?.diff,
    });
  }
}

function deepStrictEqual(
  actual,
  expected,
  message,
) {
  if (arguments.length < 2) {
    throw new ERR_MISSING_ARGS("actual", "expected");
  }

  if (!isDeepStrictEqual(actual, expected, this?.[kOptions]?.skipPrototype)) {
    innerFail({
      message,
      actual,
      expected,
      operator: "deepStrictEqual",
      stackStartFn: deepStrictEqual,
      diff: this?.[kOptions]?.diff,
    });
  }
}

function notDeepStrictEqual(
  actual,
  expected,
  message,
) {
  if (arguments.length < 2) {
    throw new ERR_MISSING_ARGS("actual", "expected");
  }

  if (isDeepStrictEqual(actual, expected, this?.[kOptions]?.skipPrototype)) {
    innerFail({
      actual,
      expected,
      message,
      operator: "notDeepStrictEqual",
      stackStartFn: notDeepStrictEqual,
      diff: this?.[kOptions]?.diff,
    });
  }
}

let warned = false;

function fail(
  actual,
  expected,
  message,
  operator,
  stackStartFn,
) {
  const argsLen = arguments.length;

  let internalMessage = false;
  if (actual == null && argsLen <= 1) {
    internalMessage = true;
    message = "Failed";
  } else if (argsLen === 1) {
    message = actual;
    actual = undefined;
  } else {
    if (warned === false) {
      warned = true;
      process.emitWarning(
        "assert.fail() with more than one argument is deprecated. " +
          "Please use assert.strictEqual() instead or only pass a message.",
        "DeprecationWarning",
        "DEP0094",
      );
    }
    if (argsLen === 2) {
      operator = "!=";
    }
  }

  if (ObjectPrototypeIsPrototypeOf(ErrorPrototype, message)) throw message;

  // IMPORTANT: When adding new references to `this`, ensure they use optional chaining
  // (this?.[kOptions]?.diff) to handle cases where the method is destructured from an
  // Assert instance and loses its context. Destructured methods will fall back
  // to default behavior when `this` is undefined.
  const errArgs = {
    actual,
    expected,
    operator: operator === undefined ? "fail" : operator,
    stackStartFn: stackStartFn || fail,
    message,
    diff: this?.[kOptions]?.diff,
  };
  const err = new AssertionError(errArgs);
  if (internalMessage) {
    err.generatedMessage = true;
  }
  throw err;
}

function internalMatch(
  string,
  regexp,
  message,
  fn,
) {
  if (!isRegExp(regexp)) {
    throw new ERR_INVALID_ARG_TYPE(
      "regexp",
      "RegExp",
      regexp,
    );
  }
  const matchFn = fn === match;
  if (
    typeof string !== "string" ||
    RegExpPrototypeExec(regexp, string) !== null !== matchFn
  ) {
    if (ObjectPrototypeIsPrototypeOf(ErrorPrototype, message)) {
      throw message;
    }

    const generatedMessage = !message;

    // 'The input was expected to not match the regular expression ' +
    message ||= typeof string !== "string"
      ? 'The "string" argument must be of type string. Received type ' +
        `${typeof string} (${inspect(string)})`
      : (matchFn
        ? "The input did not match the regular expression "
        : "The input was expected to not match the regular expression ") +
        `${inspect(regexp)}. Input:\n\n${inspect(string)}\n`;
    const err = new AssertionError({
      actual: string,
      expected: regexp,
      message,
      operator: fn.name,
      stackStartFn: fn,
      diff: this?.[kOptions]?.diff,
    });
    err.generatedMessage = generatedMessage;
    throw err;
  }
}

function match(string, regexp, message) {
  internalMatch(string, regexp, message, match);
}

function doesNotMatch(
  string,
  regexp,
  message,
) {
  internalMatch(string, regexp, message, doesNotMatch);
}

function strict(...args) {
  innerOk(strict, args.length, ...new SafeArrayIterator(args));
}

async function rejects(
  asyncFn,
  ...args
) {
  expectsError(
    rejects,
    await waitForActual(asyncFn),
    ...new SafeArrayIterator(args),
  );
}

async function doesNotReject(
  asyncFn,
  ...args
) {
  expectsNoError(
    doesNotReject,
    await waitForActual(asyncFn),
    ...new SafeArrayIterator(args),
  );
}

/**
 * Throws `value` if the value is not `null` or `undefined`.
 *
 * @param err
 */
function ifError(err) {
  if (err !== null && err !== undefined) {
    let message = "ifError got unwanted exception: ";

    if (typeof err === "object" && typeof err.message === "string") {
      if (err.message.length === 0 && err.constructor) {
        message += err.constructor.name;
      } else {
        message += err.message;
      }
    } else {
      message += inspect(err);
    }

    const newErr = new AssertionError({
      actual: err,
      expected: null,
      operator: "ifError",
      message,
      stackStartFn: ifError,
      diff: this?.[kOptions]?.diff,
    });

    // Make sure we actually have a stack trace!
    const origStack = err.stack;

    if (typeof origStack === "string") {
      // This will remove any duplicated frames from the error frames taken
      // from within `ifError` and add the original error frames to the newly
      // created ones.
      const origStackStart = StringPrototypeIndexOf(origStack, "\n    at");
      if (origStackStart !== -1) {
        const originalFrames = StringPrototypeSplit(
          StringPrototypeSlice(origStack, origStackStart + 1),
          "\n",
        );
        // Filter all frames existing in err.stack.
        let newFrames = StringPrototypeSplit(newErr.stack, "\n");
        for (const errFrame of new SafeArrayIterator(originalFrames)) {
          // Find the first occurrence of the frame.
          const pos = ArrayPrototypeIndexOf(newFrames, errFrame);
          if (pos !== -1) {
            // Only keep new frames.
            newFrames = ArrayPrototypeSlice(newFrames, 0, pos);
            break;
          }
        }
        const stackStart = ArrayPrototypeJoin(newFrames, "\n");
        const stackEnd = ArrayPrototypeJoin(originalFrames, "\n");
        newErr.stack = `${stackStart}\n${stackEnd}`;
      }
    }

    throw newErr;
  }
}

const CallTracker_ = deprecate(
  CallTracker,
  "assert.CallTracker is deprecated.",
  "DEP0173",
);

function setOwnProperty(obj, key, value) {
  return ObjectDefineProperty(obj, key, {
    __proto__: null,
    configurable: true,
    enumerable: true,
    value,
    writable: true,
  });
}

ArrayPrototypeForEach([
  "fail",
  "equal",
  "notEqual",
  "deepEqual",
  "notDeepEqual",
  "deepStrictEqual",
  "notDeepStrictEqual",
  "strictEqual",
  "notStrictEqual",
  "partialDeepStrictEqual",
  "match",
  "doesNotMatch",
  "throws",
  "rejects",
  "doesNotThrow",
  "doesNotReject",
  "ifError",
], (name) => {
  setOwnProperty(assert, name, Assert.prototype[name]);
});

ObjectAssign(strict, {
  Assert,
  AssertionError,
  CallTracker: CallTracker_,
  deepEqual: deepStrictEqual,
  deepStrictEqual,
  doesNotMatch,
  doesNotReject,
  doesNotThrow,
  equal: strictEqual,
  fail,
  ifError,
  match,
  notDeepEqual: notDeepStrictEqual,
  notDeepStrictEqual,
  notEqual: notStrictEqual,
  notStrictEqual,
  ok,
  partialDeepStrictEqual,
  rejects,
  strict,
  strictEqual,
  throws,
});

const default_ = ObjectAssign(assert, {
  Assert,
  AssertionError,
  CallTracker: CallTracker_,
  deepEqual,
  deepStrictEqual,
  doesNotMatch,
  doesNotReject,
  doesNotThrow,
  equal,
  fail,
  ifError,
  match,
  notDeepEqual,
  notDeepStrictEqual,
  notEqual,
  notStrictEqual,
  ok,
  partialDeepStrictEqual,
  rejects,
  strict,
  strictEqual,
  throws,
});

return {
  default: default_,
  Assert,
  AssertionError,
  CallTracker: CallTracker_,
  deepEqual,
  deepStrictEqual,
  doesNotMatch,
  doesNotReject,
  doesNotThrow,
  equal,
  fail,
  ifError,
  match,
  notDeepEqual,
  notDeepStrictEqual,
  notEqual,
  notStrictEqual,
  ok,
  partialDeepStrictEqual,
  rejects,
  strict,
  strictEqual,
  throws,
};
})();