test: --force-context-aware cli flag

PR-URL: #29631
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

doc/api/cli.md

@@ -444,7 +444,7 @@ Silence all process warnings (including deprecations).
 added: REPLACEME
 -->
 
-Disable loading non-context-aware native addons.
+Disable loading native addons that are not [context-aware][].
 
 ### `--openssl-config=file`
 <!-- YAML
@@ -1293,3 +1293,4 @@ greater than `4` (its current default value). For more information, see the
 [experimental ECMAScript Module]: esm.html#esm_resolve_hook
 [libuv threadpool documentation]: http://docs.libuv.org/en/latest/threadpool.html
 [remote code execution]: https://www.owasp.org/index.php/Code_Injection
+[context-aware]: addons.html#addons_context_aware_addons

test/addons/force-context-aware/binding.cc

@@ -0,0 +1,6 @@
+#include <node.h>
+#include <v8.h>
+
+void init(v8::Local<v8::Object> exports) {}
+
+NODE_MODULE(NODE_GYP_MODULE_NAME, init)

test/addons/force-context-aware/binding.gyp

@@ -0,0 +1,9 @@
+{
+  'targets': [
+    {
+      'target_name': 'binding',
+      'sources': [ 'binding.cc' ],
+      'includes': ['../common.gypi'],
+    }
+  ]
+}

test/addons/force-context-aware/index.js

@@ -0,0 +1,4 @@
+'use strict';
+const common = require('../../common');
+
+require(`./build/${common.buildType}/binding`);

test/addons/force-context-aware/test.js

@@ -0,0 +1,13 @@
+'use strict';
+const common = require('../../common');
+const childProcess = require('child_process');
+const assert = require('assert');
+const path = require('path');
+
+const mod = path.join('test', 'addons', 'force-context-aware', 'index.js');
+
+const execString = `"${process.execPath}" --force-context-aware ./${mod}`;
+childProcess.exec(execString, common.mustCall((err) => {
+  const errMsg = 'Loading non context-aware native modules has been disabled';
+  assert.strictEqual(err.message.includes(errMsg), true);
+}));

test/addons/zlib-binding/test.js

@@ -1,3 +1,5 @@
+// Flags: --force-context-aware
+
 'use strict';
 
 const common = require('../../common');