sdk/lib/fdio/tests/fdio_stubs.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 <errno.h>
#include <fcntl.h>
#include <lib/fdio/fd.h>
#include <lib/zx/socket.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <zircon/syscalls.h>

#include <zxtest/zxtest.h>

TEST(StubsTest, ChmodIgnoredPermissions) {
  const char* path = "/";
  int fd = open(path, O_DIRECTORY | O_RDONLY);
  ASSERT_NE(-1, fd);

  mode_t mode = S_IFREG | S_IRWXU | S_IRWXG | S_IRWXO;
  ASSERT_EQ(0, chmod(path, mode));
  ASSERT_EQ(0, fchmod(fd, mode));

  close(fd);
}

TEST(StubsTest, ChmodNotImplemented) {
  const char* path = "/";
  int fd = open(path, O_DIRECTORY | O_RDONLY);
  ASSERT_NE(-1, fd);

  mode_t mode = S_ISUID;
  ASSERT_EQ(-1, chmod(path, mode));
  ASSERT_EQ(ENOSYS, errno);
  ASSERT_EQ(-1, fchmod(fd, mode));
  ASSERT_EQ(ENOSYS, errno);

  close(fd);
}