1 files changed, 109 insertions, 0 deletions
diff --git a/third_party/libwebrtc/test/testsupport/file_utils.h b/third_party/libwebrtc/test/testsupport/file_utils.h
new file mode 100644
index 0000000000..ab80ca4454
--- /dev/null
+++ b/third_party/libwebrtc/test/testsupport/file_utils.h
@@ -0,0 +1,109 @@
+/*
+ *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <stdio.h>
+
+#ifndef TEST_TESTSUPPORT_FILE_UTILS_H_
+#define TEST_TESTSUPPORT_FILE_UTILS_H_
+
+#include <string>
+#include <vector>
+
+#include "absl/base/attributes.h"
+#include "absl/strings/string_view.h"
+#include "absl/types/optional.h"
+
+namespace webrtc {
+namespace test {
+
+// Slash or backslash, depending on platform.
+ABSL_CONST_INIT extern const absl::string_view kPathDelimiter;
+
+// Returns the absolute path to the output directory where log files and other
+// test artifacts should be put. The output directory is generally a directory
+// named "out" at the project root. This root is assumed to be two levels above
+// where the test binary is located; this is because tests execute in a dir
+// out/Whatever relative to the project root. This convention is also followed
+// in Chromium.
+//
+// The exception is Android where we use /sdcard/ instead.
+//
+// If symbolic links occur in the path they will be resolved and the actual
+// directory will be returned.
+//
+// Returns the path WITH a trailing path delimiter. If the project root is not
+// found, the current working directory ("./") is returned as a fallback.
+std::string OutputPath();
+
+// Generates an empty file with a unique name in the specified directory and
+// returns the file name and path.
+// TODO(titovartem) rename to TempFile and next method to TempFilename
+std::string TempFilename(absl::string_view dir, absl::string_view prefix);
+
+// Generates a unique file name that can be used for file creation. Doesn't
+// create any files.
+std::string GenerateTempFilename(absl::string_view dir,
+                                 absl::string_view prefix);
+
+// Returns a path to a resource file in [project-root]/resources/ dir.
+// Returns an absolute path
+//
+// Arguments:
+//    name - Name of the resource file. If a plain filename (no directory path)
+//           is supplied, the file is assumed to be located in resources/
+//           If a directory path is prepended to the filename, a subdirectory
+//           hierarchy reflecting that path is assumed to be present.
+//    extension - File extension, without the dot, i.e. "bmp" or "yuv".
+std::string ResourcePath(absl::string_view name, absl::string_view extension);
+
+// Joins directory name and file name, separated by the path delimiter.
+std::string JoinFilename(absl::string_view dir, absl::string_view name);
+
+// Gets the current working directory for the executing program.
+// Returns "./" if for some reason it is not possible to find the working
+// directory.
+std::string WorkingDir();
+
+// Reads the content of a directory and, in case of success, returns a vector
+// of strings with one element for each found file or directory. Each element is
+// a path created by prepending `dir` to the file/directory name. "." and ".."
+// are never added in the returned vector.
+absl::optional<std::vector<std::string>> ReadDirectory(absl::string_view path);
+
+// Creates a directory if it not already exists.
+// Returns true if successful. Will print an error message to stderr and return
+// false if a file with the same name already exists.
+bool CreateDir(absl::string_view directory_name);
+
+// Removes a directory, which must already be empty.
+bool RemoveDir(absl::string_view directory_name);
+
+// Removes a file.
+bool RemoveFile(absl::string_view file_name);
+
+// Checks if a file exists.
+// TOOD(alito): Merge these once absl::string_view adoption is complete for this
+// file.
+bool FileExists(absl::string_view file_name);
+
+// Checks if a directory exists.
+bool DirExists(absl::string_view directory_name);
+
+// Strips the rightmost path segment from a path.
+std::string DirName(absl::string_view path);
+
+// File size of the supplied file in bytes. Will return 0 if the file is
+// empty or if the file does not exist/is readable.
+size_t GetFileSize(absl::string_view filename);
+
+}  // namespace test
+}  // namespace webrtc
+
+#endif  // TEST_TESTSUPPORT_FILE_UTILS_H_