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-rw-r--r--tests/node_compat/test/parallel/test-vm-inherited_properties.js45
1 files changed, 45 insertions, 0 deletions
diff --git a/tests/node_compat/test/parallel/test-vm-inherited_properties.js b/tests/node_compat/test/parallel/test-vm-inherited_properties.js
new file mode 100644
index 000000000..4994a8cea
--- /dev/null
+++ b/tests/node_compat/test/parallel/test-vm-inherited_properties.js
@@ -0,0 +1,45 @@
+// deno-fmt-ignore-file
+// deno-lint-ignore-file
+
+// Copyright Joyent and Node contributors. All rights reserved. MIT license.
+// Taken from Node 18.12.1
+// This file is automatically generated by `tests/node_compat/runner/setup.ts`. Do not modify this file manually.
+
+'use strict';
+
+require('../common');
+
+const vm = require('vm');
+const assert = require('assert');
+
+let base = {
+ propBase: 1
+};
+
+let sandbox = Object.create(base, {
+ propSandbox: { value: 3 }
+});
+
+const context = vm.createContext(sandbox);
+
+let result = vm.runInContext('Object.hasOwnProperty(this, "propBase");',
+ context);
+
+assert.strictEqual(result, false);
+
+// Ref: https://github.com/nodejs/node/issues/5350
+base = { __proto__: null };
+base.x = 1;
+base.y = 2;
+
+sandbox = { __proto__: base };
+sandbox.z = 3;
+
+assert.deepStrictEqual(Object.keys(sandbox), ['z']);
+
+const code = 'x = 0; z = 4;';
+result = vm.runInNewContext(code, sandbox);
+assert.strictEqual(result, 4);
+
+// Check that y is not an own property.
+assert.deepStrictEqual(Object.keys(sandbox), ['z', 'x']);