zircon/system/ulib/fs/test/vfs_tests.cc

// Copyright 2019 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include <lib/async-loop/cpp/loop.h>
#include <lib/async-loop/default.h>

#include <fs/managed_vfs.h>
#include <fs/synchronous_vfs.h>
#include <zxtest/zxtest.h>

TEST(ManagedVfs, CanOnlySetDispatcherOnce) {
  fs::ManagedVfs vfs;
  async::Loop loop(&kAsyncLoopConfigNoAttachToCurrentThread);
  vfs.SetDispatcher(loop.dispatcher());

  ASSERT_DEATH([&]() { vfs.SetDispatcher(loop.dispatcher()); });
}

TEST(SynchronousVfs, CanOnlySetDispatcherOnce) {
  fs::SynchronousVfs vfs;
  async::Loop loop(&kAsyncLoopConfigNoAttachToCurrentThread);
  vfs.SetDispatcher(loop.dispatcher());

  ASSERT_DEATH([&]() { vfs.SetDispatcher(loop.dispatcher()); });
}