From 1757250997c6eaf5c031346334e8d01dfea57f13 Mon Sep 17 00:00:00 2001
From: Antoine du HAMEL <duhamelantoine1995@gmail.com>
Date: Thu, 2 May 2019 18:57:06 -0400
Subject: [PATCH] test: clearing require cache crashes esm loader

This test shows the regression introduced in v11.4.0: clearing out the
require.cache crashes node when using the `--experimental-modules` flag.
Refs: https://github.com/nodejs/node/issues/25482

PR-URL: https://github.com/nodejs/node/pull/25491
Reviewed-By: Guy Bedford <guybedford@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
---
 test/es-module/test-esm-loader-cache-clearing.js | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 test/es-module/test-esm-loader-cache-clearing.js

diff --git a/test/es-module/test-esm-loader-cache-clearing.js b/test/es-module/test-esm-loader-cache-clearing.js
new file mode 100644
index 00000000000000..ec22b6a6bb871e
--- /dev/null
+++ b/test/es-module/test-esm-loader-cache-clearing.js
@@ -0,0 +1,11 @@
+// Flags: --experimental-modules
+'use strict';
+require('../common');
+
+const { cache } = require;
+
+Object.keys(cache).forEach((key) => {
+  delete cache[key];
+});
+// Require the same module again triggers the crash
+require('../common');