Upload Kmake

test/parallel/test-internal-util-weakreference.js

@@ -0,0 +1,19 @@
+// Flags: --expose-internals --expose-gc
+'use strict';
+require('../common');
+const { gcUntil } = require('../common/gc');
+const assert = require('assert');
+const { WeakReference } = require('internal/util');
+
+let obj = { hello: 'world' };
+const ref = new WeakReference(obj);
+assert.strictEqual(ref.get(), obj);
+
+async function main() {
+  obj = null;
+  await gcUntil(
+    'Reference is garbage collected',
+    () => ref.get() === undefined);
+}
+
+main();