mfbt/tests/TestScopeExit.cpp
author Sylvestre Ledru <sledru@mozilla.com>
Fri, 14 Dec 2018 18:10:35 +0000
changeset 510539 09c71a7cf75aeaf2963050e315276fb9a866fd62
parent 285265 2f9998ce7db7f16745c30d86e7cc7c8dde12e42d
permissions -rw-r--r--
Bug 1513205 - Also update the tests to match the Google coding style r=Ehsan # ignore-this-changeset Differential Revision: https://phabricator.services.mozilla.com/D14595

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */

#include "mozilla/Assertions.h"
#include "mozilla/ScopeExit.h"

using mozilla::MakeScopeExit;

#define CHECK(c)                                       \
  do {                                                 \
    bool cond = !!(c);                                 \
    MOZ_RELEASE_ASSERT(cond, "Failed assertion: " #c); \
    if (!cond) {                                       \
      return false;                                    \
    }                                                  \
  } while (false)

static bool Test() {
  int a = 1;
  int b = 1;

  {
    a++;
    auto guardA = MakeScopeExit([&] { a--; });

    b++;
    auto guardB = MakeScopeExit([&] { b--; });

    guardB.release();
  }

  CHECK(a == 1);
  CHECK(b == 2);

  return true;
}

int main() {
  if (!Test()) {
    return 1;
  }
  return 0;
}