diff options
Diffstat (limited to 'test/syscalls/linux/symlink.cc')
| -rw-r--r-- | test/syscalls/linux/symlink.cc | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/test/syscalls/linux/symlink.cc b/test/syscalls/linux/symlink.cc index dce8de9ec..69650a1d3 100644 --- a/test/syscalls/linux/symlink.cc +++ b/test/syscalls/linux/symlink.cc @@ -312,6 +312,19 @@ TEST_P(ParamSymlinkTest, OpenLinkCreatesTarget) { ASSERT_THAT(unlink(target.c_str()), SyscallSucceeds()); } +// Test that opening a self-symlink with O_CREAT will fail with ELOOP. +TEST_P(ParamSymlinkTest, CreateExistingSelfLink) { + ASSERT_THAT(chdir(GetAbsoluteTestTmpdir().c_str()), SyscallSucceeds()); + + const std::string linkpath = GetParam(); + ASSERT_THAT(symlink(linkpath.c_str(), linkpath.c_str()), SyscallSucceeds()); + + EXPECT_THAT(open(linkpath.c_str(), O_CREAT, 0666), + SyscallFailsWithErrno(ELOOP)); + + ASSERT_THAT(unlink(linkpath.c_str()), SyscallSucceeds()); +} + // Test that opening an existing symlink with O_CREAT|O_EXCL will fail with // EEXIST. TEST_P(ParamSymlinkTest, OpenLinkExclFails) { |