gvisor.dev/gvisor@v0.0.0-20240520182842-f9d4d51c7e0f/test/syscalls/linux/tuntap_hostinet.cc (about)

     1  // Copyright 2020 The gVisor Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  #include <sys/stat.h>
    16  #include <sys/types.h>
    17  #include <unistd.h>
    18  
    19  #include "gtest/gtest.h"
    20  #include "test/util/test_util.h"
    21  
    22  namespace gvisor {
    23  namespace testing {
    24  
    25  namespace {
    26  
    27  TEST(TuntapHostInetTest, NoNetTun) {
    28    SKIP_IF(!IsRunningOnGvisor());
    29    SKIP_IF(!IsRunningWithHostinet());
    30  
    31    struct stat statbuf;
    32    ASSERT_THAT(stat("/dev/net/tun", &statbuf), SyscallFailsWithErrno(ENOENT));
    33  }
    34  
    35  }  // namespace
    36  }  // namespace testing
    37  
    38  }  // namespace gvisor