/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

"use strict";

function errors() {
  return [
    // The following two errors MUST NOT be captured.
    new Error("This is an error: " + Math.random()),
    new RangeError("This is a RangeError: " + Math.random()),
    new TypeError("This is a TypeError: " + Math.random()),
    "This is a string: " + Math.random(),
    null,
    undefined,
    Math.random(),
    {},

    // The following errors MUST be captured.
    new SyntaxError("This is a SyntaxError: " + Math.random()),
    new ReferenceError("This is a ReferenceError: " + Math.random()),
  ];
}

function isDeveloperError(e) {
  if (e == null || typeof e != "object") {
    return false;
  }

  return e.constructor == SyntaxError || e.constructor == ReferenceError;
}

function run_test() {
  ChromeUtils.clearRecentJSDevError();
  Assert.equal(ChromeUtils.recentJSDevError, undefined);

  for (let exn of errors()) {
    ChromeUtils.clearRecentJSDevError();
    try {
      throw exn;
    } catch (e) {
      // Discard error.
    }
    if (isDeveloperError(exn)) {
      Assert.equal(ChromeUtils.recentJSDevError.message, "" + exn);
    } else {
      Assert.equal(ChromeUtils.recentJSDevError, undefined);
    }
    ChromeUtils.clearRecentJSDevError();
    Assert.equal(ChromeUtils.recentJSDevError, undefined);
  }
}
