diff options
author | Fabricio Voznika <fvoznika@google.com> | 2020-09-29 15:47:25 -0700 |
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committer | gVisor bot <gvisor-bot@google.com> | 2020-09-29 15:49:27 -0700 |
commit | 4a428b13b20baf055e7e70ecb51a87299f0c6d8e (patch) | |
tree | 25635079890a2b92abdae4f74b5af99190450e86 /test | |
parent | 7fbb45e8ed82c118338c38fb71e7ff50addaa653 (diff) |
Add /proc/[pid]/cwd
PiperOrigin-RevId: 334478850
Diffstat (limited to 'test')
-rw-r--r-- | test/syscalls/linux/proc.cc | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/test/syscalls/linux/proc.cc b/test/syscalls/linux/proc.cc index 6e3c536c0..e8fcc4439 100644 --- a/test/syscalls/linux/proc.cc +++ b/test/syscalls/linux/proc.cc @@ -780,8 +780,12 @@ TEST(ProcSelfFdInfo, Flags) { } TEST(ProcSelfExe, Absolute) { - auto exe = ASSERT_NO_ERRNO_AND_VALUE( - ReadLink(absl::StrCat("/proc/", getpid(), "/exe"))); + auto exe = ASSERT_NO_ERRNO_AND_VALUE(ReadLink("/proc/self/exe")); + EXPECT_EQ(exe[0], '/'); +} + +TEST(ProcSelfCwd, Absolute) { + auto exe = ASSERT_NO_ERRNO_AND_VALUE(ReadLink("/proc/self/cwd")); EXPECT_EQ(exe[0], '/'); } @@ -1473,6 +1477,16 @@ TEST(ProcPidExe, Subprocess) { EXPECT_EQ(actual, expected_absolute_path); } +// /proc/PID/cwd points to the correct directory. +TEST(ProcPidCwd, Subprocess) { + auto want = ASSERT_NO_ERRNO_AND_VALUE(GetCWD()); + + char got[PATH_MAX + 1] = {}; + ASSERT_THAT(ReadlinkWhileRunning("cwd", got, sizeof(got)), + SyscallSucceedsWithValue(Gt(0))); + EXPECT_EQ(got, want); +} + // Test whether /proc/PID/ files can be read for a running process. TEST(ProcPidFile, SubprocessRunning) { char buf[1]; |