1 files changed, 90 insertions, 0 deletions
diff --git a/deps/uv/test/test-env-vars.c b/deps/uv/test/test-env-vars.c
new file mode 100644
index 0000000000..641050e675
--- /dev/null
+++ b/deps/uv/test/test-env-vars.c
@@ -0,0 +1,90 @@
+/* Copyright libuv contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "task.h"
+#include <string.h>
+
+#define BUF_SIZE 10
+
+TEST_IMPL(env_vars) {
+  const char* name = "UV_TEST_FOO";
+  char buf[BUF_SIZE];
+  size_t size;
+  int r;
+
+  /* Reject invalid inputs when setting an environment variable */
+  r = uv_os_setenv(NULL, "foo");
+  ASSERT(r == UV_EINVAL);
+  r = uv_os_setenv(name, NULL);
+  ASSERT(r == UV_EINVAL);
+  r = uv_os_setenv(NULL, NULL);
+  ASSERT(r == UV_EINVAL);
+
+  /* Reject invalid inputs when retrieving an environment variable */
+  size = BUF_SIZE;
+  r = uv_os_getenv(NULL, buf, &size);
+  ASSERT(r == UV_EINVAL);
+  r = uv_os_getenv(name, NULL, &size);
+  ASSERT(r == UV_EINVAL);
+  r = uv_os_getenv(name, buf, NULL);
+  ASSERT(r == UV_EINVAL);
+  size = 0;
+  r = uv_os_getenv(name, buf, &size);
+  ASSERT(r == UV_EINVAL);
+
+  /* Reject invalid inputs when deleting an environment variable */
+  r = uv_os_unsetenv(NULL);
+  ASSERT(r == UV_EINVAL);
+
+  /* Successfully set an environment variable */
+  r = uv_os_setenv(name, "123456789");
+  ASSERT(r == 0);
+
+  /* Successfully read an environment variable */
+  size = BUF_SIZE;
+  buf[0] = '\0';
+  r = uv_os_getenv(name, buf, &size);
+  ASSERT(r == 0);
+  ASSERT(strcmp(buf, "123456789") == 0);
+  ASSERT(size == BUF_SIZE - 1);
+
+  /* Return UV_ENOBUFS if the buffer cannot hold the environment variable */
+  size = BUF_SIZE - 1;
+  buf[0] = '\0';
+  r = uv_os_getenv(name, buf, &size);
+  ASSERT(r == UV_ENOBUFS);
+  ASSERT(size == BUF_SIZE);
+
+  /* Successfully delete an environment variable */
+  r = uv_os_unsetenv(name);
+  ASSERT(r == 0);
+
+  /* Return UV_ENOENT retrieving an environment variable that does not exist */
+  r = uv_os_getenv(name, buf, &size);
+  ASSERT(r == UV_ENOENT);
+
+  /* Successfully delete an environment variable that does not exist */
+  r = uv_os_unsetenv(name);
+  ASSERT(r == 0);
+
+  return 0;
+}