src/third_party/devtools/node_modules/istanbul/node_modules/source-map/build/assert-shim.js

/* -*- Mode: js; js-indent-level: 2; -*- */
/*
 * Copyright 2011 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE or:
 * http://opensource.org/licenses/BSD-3-Clause
 */
define('test/source-map/assert', ['exports'], function (exports) {

  let do_throw = function (msg) {
    throw new Error(msg);
  };

  exports.init = function (throw_fn) {
    do_throw = throw_fn;
  };

  exports.doesNotThrow = function (fn) {
    try {
      fn();
    }
    catch (e) {
      do_throw(e.message);
    }
  };

  exports.equal = function (actual, expected, msg) {
    msg = msg || String(actual) + ' != ' + String(expected);
    if (actual != expected) {
      do_throw(msg);
    }
  };

  exports.ok = function (val, msg) {
    msg = msg || String(val) + ' is falsey';
    if (!Boolean(val)) {
      do_throw(msg);
    }
  };

  exports.strictEqual = function (actual, expected, msg) {
    msg = msg || String(actual) + ' !== ' + String(expected);
    if (actual !== expected) {
      do_throw(msg);
    }
  };

  exports.throws = function (fn) {
    try {
      fn();
      do_throw('Expected an error to be thrown, but it wasn\'t.');
    }
    catch (e) {
    }
  };

});