--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/third_party/libuv/test/test-strtok.c	Wed Jan 14 19:39:52 2026 -0800
@@ -0,0 +1,90 @@
+/* Copyright libuv project 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>
+
+#include "../src/strtok.h"
+#include "../src/strtok.c"
+
+struct strtok_test_case {
+  const char* str;
+  const char* sep;
+};
+
+const char* tokens[] = {
+  "abc",
+  NULL,
+
+  "abc",
+  "abf",
+  NULL,
+
+  "This",
+  "is.a",
+  "test",
+  "of",
+  "the",
+  "string",
+  "tokenizer",
+  "function.",
+  NULL,
+
+  "Hello",
+  "This-is-a-nice",
+  "-string",
+  NULL
+};
+
+#define ASSERT_STRCMP(x, y) \
+  ASSERT_NE((x != NULL && y != NULL && strcmp(x, y) == 0) || (x == y && x == NULL), 0)
+
+TEST_IMPL(strtok) {
+  struct strtok_test_case tests[] = {
+    { "abc", "" },
+    { "abc.abf", "." },
+    { "This;is.a:test:of=the/string\\tokenizer-function.", "\\/:;=-" },
+    { "Hello This-is-a-nice.-string", " ." },
+  };
+  size_t tokens_len = ARRAY_SIZE(tokens);
+  size_t tests_len = ARRAY_SIZE(tests);
+  size_t i;
+  size_t j;
+  char* itr;
+  char* tok_r;
+  char current_test[2048];
+
+  for (i = 0, j = 0; i < tests_len; i += 1) {
+    ASSERT_LT(j, tokens_len);
+    snprintf(current_test, sizeof(current_test), "%s", tests[i].str);
+    tok_r = uv__strtok(current_test, tests[i].sep, &itr);
+    ASSERT_STRCMP(tok_r, tokens[j]);
+    j++;
+    while (tok_r) {
+      ASSERT_LT(j, tokens_len);
+      tok_r = uv__strtok(NULL, tests[i].sep, &itr);
+      ASSERT_STRCMP(tok_r, tokens[j]);
+      j++;
+    }
+  }
+  return 0;
+}