--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/third_party/libuv/test/test-get-currentexe.c	Wed Jan 14 19:39:52 2026 -0800
@@ -0,0 +1,109 @@
+/* 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>
+
+#ifndef _WIN32
+#include <unistd.h>
+#endif
+
+#define PATHMAX 4096
+extern char executable_path[];
+
+TEST_IMPL(get_currentexe) {
+/* TODO(gengjiawen): Fix test on QEMU. */
+#if defined(__QEMU__)
+  RETURN_SKIP("Test does not currently work in QEMU");
+#endif
+#if defined(__OpenBSD__)
+  RETURN_SKIP("Test does not currently work in OpenBSD");
+#endif
+
+  char buffer[PATHMAX];
+  char path[PATHMAX];
+  size_t size;
+  char* match;
+  int r;
+
+  size = sizeof(buffer) / sizeof(buffer[0]);
+  r = uv_exepath(buffer, &size);
+  ASSERT(!r);
+
+#ifdef _WIN32
+  snprintf(path, sizeof(path), "%s", executable_path);
+#else
+  ASSERT_NOT_NULL(realpath(executable_path, path));
+#endif
+
+  match = strstr(buffer, path);
+  /* Verify that the path returned from uv_exepath is a subdirectory of
+   * executable_path.
+   */
+  ASSERT(match && !strcmp(match, path));
+  ASSERT_EQ(size, strlen(buffer));
+
+  /* Negative tests */
+  size = sizeof(buffer) / sizeof(buffer[0]);
+  r = uv_exepath(NULL, &size);
+  ASSERT_EQ(r, UV_EINVAL);
+
+  r = uv_exepath(buffer, NULL);
+  ASSERT_EQ(r, UV_EINVAL);
+
+  size = 0;
+  r = uv_exepath(buffer, &size);
+  ASSERT_EQ(r, UV_EINVAL);
+
+  memset(buffer, -1, sizeof(buffer));
+
+  size = 1;
+  r = uv_exepath(buffer, &size);
+  ASSERT_OK(r);
+  ASSERT_OK(size);
+  ASSERT_EQ(buffer[0], '\0');
+
+  memset(buffer, -1, sizeof(buffer));
+
+  size = 2;
+  r = uv_exepath(buffer, &size);
+  ASSERT_OK(r);
+  ASSERT_EQ(1, size);
+  ASSERT_NE(buffer[0], '\0');
+  ASSERT_EQ(buffer[1], '\0');
+
+  /* Verify uv_exepath is not affected by uv_set_process_title(). */
+  r = uv_set_process_title("foobar");
+  ASSERT_OK(r);
+  size = sizeof(buffer);
+  r = uv_exepath(buffer, &size);
+  ASSERT_OK(r);
+
+  match = strstr(buffer, path);
+  /* Verify that the path returned from uv_exepath is a subdirectory of
+   * executable_path.
+   */
+  ASSERT_NOT_NULL(match);
+  ASSERT_STR_EQ(match, path);
+  ASSERT_EQ(size, strlen(buffer));
+  return 0;
+}