--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/third_party/libuv/test/test-dlerror.c	Wed Jan 14 19:39:52 2026 -0800
@@ -0,0 +1,65 @@
+/* Copyright Joyent, Inc. and other Node 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>
+
+
+TEST_IMPL(dlerror) {
+  const char* path = "test/fixtures/load_error.node";
+  const char* dlerror_no_error = "no error";
+  const char* msg;
+  uv_lib_t lib;
+  int r;
+
+  lib.errmsg = NULL;
+  lib.handle = NULL;
+  msg = uv_dlerror(&lib);
+  ASSERT_NOT_NULL(msg);
+  ASSERT_NOT_NULL(strstr(msg, dlerror_no_error));
+
+  r = uv_dlopen(path, &lib);
+  ASSERT_EQ(r, -1);
+
+  msg = uv_dlerror(&lib);
+  ASSERT_NOT_NULL(msg);
+#if !defined(__OpenBSD__) && !defined(__QNX__)
+  /* musl's libc.a does not support dlopen(), only libc.so does. */
+  if (NULL == strstr(msg, "Dynamic loading not supported"))
+    ASSERT_NOT_NULL(strstr(msg, path));
+#endif
+  ASSERT_NULL(strstr(msg, dlerror_no_error));
+
+  /* Should return the same error twice in a row. */
+  msg = uv_dlerror(&lib);
+  ASSERT_NOT_NULL(msg);
+#if !defined(__OpenBSD__) && !defined(__QNX__)
+  /* musl's libc.a does not support dlopen(), only libc.so does. */
+  if (NULL == strstr(msg, "Dynamic loading not supported"))
+    ASSERT_NOT_NULL(strstr(msg, path));
+#endif
+  ASSERT_NULL(strstr(msg, dlerror_no_error));
+
+  uv_dlclose(&lib);
+
+  return 0;
+}