process: implement process.hrtime.bigint()

PR-URL: https://github.com/nodejs/node/pull/21256
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/test/parallel/test-process-hrtime-bigint.js b/test/parallel/test-process-hrtime-bigint.js
new file mode 100644
index 0000000000..e5ce40a994
--- /dev/null
+++ b/test/parallel/test-process-hrtime-bigint.js
@@ -0,0 +1,14 @@
+'use strict';
+
+// Tests that process.hrtime.bigint() works.
+
+require('../common');
+const assert = require('assert');
+
+const start = process.hrtime.bigint();
+assert.strictEqual(typeof start, 'bigint');
+
+const end = process.hrtime.bigint();
+assert.strictEqual(typeof end, 'bigint');
+
+assert(end - start >= 0n);