--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/third_party/libuv/test/test-get-memory.c	Wed Jan 14 19:39:52 2026 -0800
@@ -0,0 +1,53 @@
+/* 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"
+
+TEST_IMPL(get_memory) {
+  uint64_t free_mem = uv_get_free_memory();
+  uint64_t total_mem = uv_get_total_memory();
+  uint64_t constrained_mem = uv_get_constrained_memory();
+  uint64_t available_mem = uv_get_available_memory();
+
+  printf("free_mem=%llu, total_mem=%llu, constrained_mem=%llu, "
+         "available_mem=%llu\n",
+         (unsigned long long) free_mem,
+         (unsigned long long) total_mem,
+         (unsigned long long) constrained_mem,
+         (unsigned long long) available_mem);
+
+  ASSERT_GT(free_mem, 0);
+  ASSERT_GT(total_mem, 0);
+  /* On IBMi PASE, the amount of memory in use is always zero. */
+#ifdef __PASE__
+  ASSERT_EQ(total_mem, free_mem);
+#else
+  ASSERT_GT(total_mem, free_mem);
+#endif
+  ASSERT_LE(available_mem, total_mem);
+  /* we'd really want to test if available <= free, but that is fragile:
+   * with no limit set, get_available calls and returns get_free; so if
+   * any memory was freed between our calls to get_free and get_available
+   * we would fail such a test test (as observed on CI).
+   */
+  return 0;
+}