[sanitizer] Fix flakiness in the tests

Seems tests fails if link already exists.
Also removed duplicated part of tests.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@325194 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 2 insertions, 7 deletions

diff --git a/test/sanitizer_common/TestCases/Posix/readlink.c b/test/sanitizer_common/TestCases/Posix/readlink.c
index 136074af6..ef0a4fe35 100644
--- a/test/sanitizer_common/TestCases/Posix/readlink.c
+++ b/test/sanitizer_common/TestCases/Posix/readlink.c
@@ -12,6 +12,7 @@ int main(int argc, char **argv) {
   char symlink_path[PATH_MAX];
   snprintf(symlink_path, sizeof(symlink_path), "%s_%d.symlink", argv[0],
            getpid());
+  remove(symlink_path);
   int res = symlink(argv[0], symlink_path);
   assert(!res);
 
@@ -21,12 +22,5 @@ int main(int argc, char **argv) {
   readlink_path[res2] = '\0';
   assert(!strcmp(readlink_path, argv[0]));
 
-  char readlinkat_path[PATH_MAX];
-  res2 = readlinkat(AT_FDCWD, symlink_path, readlinkat_path,
-                    sizeof(readlink_path));
-  assert(res2 >= 0);
-  readlinkat_path[res2] = '\0';
-  assert(!strcmp(readlinkat_path, argv[0]));
-
   return 0;
 }
diff --git a/test/sanitizer_common/TestCases/Posix/readlinkat.c b/test/sanitizer_common/TestCases/Posix/readlinkat.c
index 62ca7070d..0afb5efe6 100644
--- a/test/sanitizer_common/TestCases/Posix/readlinkat.c
+++ b/test/sanitizer_common/TestCases/Posix/readlinkat.c
@@ -11,6 +11,7 @@ int main(int argc, char **argv) {
   char symlink_path[PATH_MAX];
   snprintf(symlink_path, sizeof(symlink_path), "%s_%d.symlink", argv[0],
            getpid());
+  remove(symlink_path);
   int res = symlink(argv[0], symlink_path);
   assert(!res);