* tests/test-putenv.c: New file.
* modules/putenv-tests: New file.
---
ChangeLog | 6 +++++
modules/putenv-tests | 13 ++++++++++
tests/test-putenv.c | 61 ++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 80 insertions(+)
create mode 100644 modules/putenv-tests
create mode 100644 tests/test-putenv.c
diff --git a/ChangeLog b/ChangeLog
index 7690099cde..8bccdfd2e1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2024-05-16 Collin Funk <collin.fu...@gmail.com>
+
+ putenv: Add tests.
+ * tests/test-putenv.c: New file.
+ * modules/putenv-tests: New file.
+
2024-05-15 Collin Funk <collin.fu...@gmail.com>
gnulib-tool.py: Don't print tracebacks when Ctrl-C is pressed.
diff --git a/modules/putenv-tests b/modules/putenv-tests
new file mode 100644
index 0000000000..43abb8e6c4
--- /dev/null
+++ b/modules/putenv-tests
@@ -0,0 +1,13 @@
+Files:
+tests/test-putenv.c
+tests/macros.h
+tests/signature.h
+
+Depends-on:
+unsetenv
+
+configure.ac:
+
+Makefile.am:
+TESTS += test-putenv
+check_PROGRAMS += test-putenv
diff --git a/tests/test-putenv.c b/tests/test-putenv.c
new file mode 100644
index 0000000000..1768e7563a
--- /dev/null
+++ b/tests/test-putenv.c
@@ -0,0 +1,61 @@
+/* Test the putenv function.
+ Copyright (C) 2024 Free Software Foundation, Inc.
+
+ This file is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published
+ by the Free Software Foundation, either version 3 of the License,
+ or (at your option) any later version.
+
+ This file is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
+
+/* Written by Collin Funk <collin.fu...@gmail.com>, 2024. */
+
+#include <config.h>
+
+/* Specification. */
+#include <stdlib.h>
+
+#include "signature.h"
+SIGNATURE_CHECK (putenv, int, (char *));
+
+#include <string.h>
+
+#include "macros.h"
+
+int
+main (void)
+{
+ char *ptr;
+
+ /* Verify the environment is clean. */
+ unsetenv ("TEST_VAR");
+ ASSERT (getenv ("TEST_VAR") == NULL);
+
+ /* Verify adding an environment variable. */
+ {
+ ASSERT (putenv ("TEST_VAR=abc") == 0);
+ ptr = getenv ("TEST_VAR");
+ ASSERT (ptr != NULL);
+ ASSERT (STREQ (ptr, "abc"));
+ }
+
+ /* Verify removing an environment variable. */
+ {
+ ASSERT (putenv ("TEST_VAR") == 0);
+ ASSERT (getenv ("TEST_VAR") == NULL);
+ }
+
+ /* Verify the behavior when removing a variable not in the environment. */
+ {
+ ASSERT (putenv ("TEST_VAR") == 0);
+ ASSERT (getenv ("TEST_VAR") == NULL);
+ }
+
+ return 0;
+}
--
2.45.0
