SUBDIR
rc = mkdir(TmpFile(SUBDIR), 0755);
CreateFile(TmpFile(SUBDIR "/bottomfile"), "File in subdirectory");
EXPECT_OK(symlink(TmpFile(TOPDIR "/topfile"), TmpFile(SUBDIR "/symlink.absolute_in")));
EXPECT_OK(symlink("../topfile", TmpFile(SUBDIR "/symlink.up")));
EXPECT_OK(symlink(TmpFile(TOPDIR "/"), TmpFile(SUBDIR "/dsymlink.absolute_in")));
EXPECT_OK(symlink("../", TmpFile(SUBDIR "/dsymlink.up")));
sub_fd_ = open(TmpFile(SUBDIR), O_RDONLY);
unlink(TmpFile(SUBDIR "/symlink.up"));
unlink(TmpFile(SUBDIR "/symlink.absolute_in"));
unlink(TmpFile(SUBDIR "/dsymlink.up"));
unlink(TmpFile(SUBDIR "/dsymlink.absolute_in"));
unlink(TmpFile(SUBDIR "/bottomfile"));
rmdir(TmpFile(SUBDIR));