From 4f6e76493fb74f5385d5a14dce3a01c9901802ed Mon Sep 17 00:00:00 2001
From: Joel Klinghed <the_jk@spawned.biz>
Date: Tue, 7 Oct 2025 19:58:28 +0200
Subject: paths: New module

Path utilities (doh)
---
 test/testenv.cc | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 test/testenv.cc

(limited to 'test/testenv.cc')

diff --git a/test/testenv.cc b/test/testenv.cc
new file mode 100644
index 0000000..56701a4
--- /dev/null
+++ b/test/testenv.cc
@@ -0,0 +1,44 @@
+#include "testenv.hh"
+
+#include <cstdlib>
+#include <optional>
+#include <string>
+
+void TestEnv::setenv(std::string const& name, std::string const& value) {
+  saveenv(name);
+
+  // NOLINTNEXTLINE(misc-include-cleaner)
+  ::setenv(name.c_str(), value.c_str(), 1);
+}
+
+void TestEnv::unsetenv(std::string const& name) {
+  saveenv(name);
+
+  // NOLINTNEXTLINE(misc-include-cleaner)
+  ::unsetenv(name.c_str());
+}
+
+void TestEnv::TearDown() {
+  for (auto const& pair : env_) {
+    if (pair.second.has_value()) {
+      // NOLINTNEXTLINE(misc-include-cleaner)
+      ::setenv(pair.first.c_str(), pair.second->c_str(), 1);
+    } else {
+      // NOLINTNEXTLINE(misc-include-cleaner)
+      ::unsetenv(pair.first.c_str());
+    }
+  }
+}
+
+void TestEnv::saveenv(std::string const& name) {
+  auto it = env_.find(name);
+  if (it != env_.end())
+    return;
+
+  auto* str = getenv(name.c_str());
+  if (str == nullptr) {
+    env_.emplace(name, std::nullopt);
+  } else {
+    env_.emplace(name, str);
+  }
+}
-- 
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