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Diffstat (limited to 'test/syscalls/linux/proc_net.cc')
-rw-r--r-- | test/syscalls/linux/proc_net.cc | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/test/syscalls/linux/proc_net.cc b/test/syscalls/linux/proc_net.cc deleted file mode 100644 index efdaf202b..000000000 --- a/test/syscalls/linux/proc_net.cc +++ /dev/null @@ -1,62 +0,0 @@ -// Copyright 2018 The gVisor Authors. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -#include "gtest/gtest.h" -#include "gtest/gtest.h" -#include "test/util/capability_util.h" -#include "test/util/file_descriptor.h" -#include "test/util/fs_util.h" -#include "test/util/test_util.h" - -namespace gvisor { -namespace testing { -namespace { - -TEST(ProcNetIfInet6, Format) { - auto ifinet6 = ASSERT_NO_ERRNO_AND_VALUE(GetContents("/proc/net/if_inet6")); - EXPECT_THAT(ifinet6, - ::testing::MatchesRegex( - // Ex: "00000000000000000000000000000001 01 80 10 80 lo\n" - "^([a-f0-9]{32}( [a-f0-9]{2}){4} +[a-z][a-z0-9]*\n)+$")); -} - -TEST(ProcSysNetIpv4Sack, Exists) { - EXPECT_THAT(open("/proc/sys/net/ipv4/tcp_sack", O_RDONLY), SyscallSucceeds()); -} - -TEST(ProcSysNetIpv4Sack, CanReadAndWrite) { - SKIP_IF(!ASSERT_NO_ERRNO_AND_VALUE(HaveCapability((CAP_DAC_OVERRIDE)))); - - auto const fd = - ASSERT_NO_ERRNO_AND_VALUE(Open("/proc/sys/net/ipv4/tcp_sack", O_RDWR)); - - char buf; - EXPECT_THAT(PreadFd(fd.get(), &buf, sizeof(buf), 0), - SyscallSucceedsWithValue(sizeof(buf))); - - EXPECT_TRUE(buf == '0' || buf == '1') << "unexpected tcp_sack: " << buf; - - char to_write = (buf == '1') ? '0' : '1'; - EXPECT_THAT(PwriteFd(fd.get(), &to_write, sizeof(to_write), 0), - SyscallSucceedsWithValue(sizeof(to_write))); - - buf = 0; - EXPECT_THAT(PreadFd(fd.get(), &buf, sizeof(buf), 0), - SyscallSucceedsWithValue(sizeof(buf))); - EXPECT_EQ(buf, to_write); -} - -} // namespace -} // namespace testing -} // namespace gvisor |