1 files changed, 37 insertions, 0 deletions
diff --git a/test/testdir.cc b/test/testdir.cc
new file mode 100644
index 0000000..d5aef22
--- /dev/null
+++ b/test/testdir.cc
@@ -0,0 +1,37 @@
+#include "testdir.hh"
+
+#include <cstdlib>
+#include <filesystem>
+#include <format>
+#include <gtest/gtest.h>
+#include <system_error>
+
+namespace {
+
+std::filesystem::path mktmpdir() {
+  std::error_code ec;
+  auto base = std::filesystem::temp_directory_path(ec);
+  if (ec)
+    return {};
+  for (int i = 0; i < 10; ++i) {
+    auto name = std::format(
+        "{}-{}",
+        ::testing::UnitTest::GetInstance()->current_test_info()->name(),
+        rand());
+    auto tmpdir = base / name;
+    if (std::filesystem::exists(tmpdir))
+      continue;
+    if (std::filesystem::create_directory(tmpdir, ec))
+      return tmpdir;
+  }
+  return {};
+}
+
+}  // namespace
+
+TestDir::TestDir() : path_(mktmpdir()) {}
+
+TestDir::~TestDir() {
+  if (!path_.empty())
+    std::filesystem::remove_all(path_);
+}