diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/syscalls/linux/proc.cc | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/test/syscalls/linux/proc.cc b/test/syscalls/linux/proc.cc index e95174291..143075e2d 100644 --- a/test/syscalls/linux/proc.cc +++ b/test/syscalls/linux/proc.cc @@ -2698,6 +2698,14 @@ TEST(Proc, Statfs) { EXPECT_EQ(st.f_namelen, NAME_MAX); } +// Tests that /proc/[pid]/fd/[num] can resolve to a path inside /proc. +TEST(Proc, ResolveSymlinkToProc) { + const auto proc = ASSERT_NO_ERRNO_AND_VALUE(Open("/proc/self/cmdline", 0)); + const auto path = JoinPath("/proc/self/fd/", absl::StrCat(proc.get())); + const auto target = ASSERT_NO_ERRNO_AND_VALUE(ReadLink(path)); + EXPECT_EQ(target, JoinPath("/proc/", absl::StrCat(getpid()), "/cmdline")); +} + } // namespace } // namespace testing } // namespace gvisor |