1 files changed, 8 insertions, 6 deletions
diff --git a/libcxx/test/input.output/file.streams/fstreams/filebuf.members/open_pointer.pass.cpp b/libcxx/test/input.output/file.streams/fstreams/filebuf.members/open_pointer.pass.cpp
index b685c660fe7..192e65f55ff 100644
--- a/libcxx/test/input.output/file.streams/fstreams/filebuf.members/open_pointer.pass.cpp
+++ b/libcxx/test/input.output/file.streams/fstreams/filebuf.members/open_pointer.pass.cpp
@@ -16,34 +16,36 @@
 
 int main()
 {
+    char temp[L_tmpnam];
+    tmpnam(temp);
     {
         std::filebuf f;
-        assert(f.open("test.dat", std::ios_base::out) != 0);
+        assert(f.open(temp, std::ios_base::out) != 0);
         assert(f.is_open());
         assert(f.sputn("123", 3) == 3);
     }
     {
         std::filebuf f;
-        assert(f.open("test.dat", std::ios_base::in) != 0);
+        assert(f.open(temp, std::ios_base::in) != 0);
         assert(f.is_open());
         assert(f.sbumpc() == '1');
         assert(f.sbumpc() == '2');
         assert(f.sbumpc() == '3');
     }
-    remove("test.dat");
+    remove(temp);
     {
         std::wfilebuf f;
-        assert(f.open("test.dat", std::ios_base::out) != 0);
+        assert(f.open(temp, std::ios_base::out) != 0);
         assert(f.is_open());
         assert(f.sputn(L"123", 3) == 3);
     }
     {
         std::wfilebuf f;
-        assert(f.open("test.dat", std::ios_base::in) != 0);
+        assert(f.open(temp, std::ios_base::in) != 0);
         assert(f.is_open());
         assert(f.sbumpc() == L'1');
         assert(f.sbumpc() == L'2');
         assert(f.sbumpc() == L'3');
     }
-    remove("test.dat");
+    remove(temp);
 }