[libc] [llvm] [libc] Implemented utimes (Issue #133953) (PR #134167)

[Michael Jones via llvm-commits]

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@@ -0,0 +1,81 @@
+//===-- Unittests for utimes --------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// temp file related stuff
+#include "src/fcntl/open.h"    // to open
+#include "src/unistd/close.h"  // to close
+#include "src/sys/stat/stat.h" // for info
+#include "src/unistd/unlink.h" // to delete
+// testing error handling
+#include "test/UnitTest/Test.h"
+#include "src/errno/libc_errno.h"           
+#include "test/UnitTest/ErrnoSetterMatcher.h"
+// dependencies for the tests themselves
+#include "hdr/types/struct_timeval.h"
+#include <cerrno>
+#include <fcntl.h>
+#include "hdr/fcntl_macros.h"
+// the utimes function
+#include "src/sys/time/utimes.h" 
+constexpr const char* TEST_FILE = "testdata/utimes.test"; 
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michaelrj-google wrote:

It's preferred to use the `libc_make_test_file_path` instead of a file in a subdirectory, and create the file inside the test. This makes the test work better for non-cmake build systems that are stricter about file inputs and outputs.

example: https://github.com/llvm/llvm-project/blob/07504afc42bd295ca290c8c462869759b97e0fdc/libc/test/src/unistd/read_write_test.cpp#L25

https://github.com/llvm/llvm-project/pull/134167