1 files changed, 6 insertions, 0 deletions
diff --git a/Userland/Libraries/LibJS/Tests/object-expression-__proto__.js b/Userland/Libraries/LibJS/Tests/object-expression-__proto__.js
new file mode 100644
index 0000000000..bee5ccf99f
--- /dev/null
+++ b/Userland/Libraries/LibJS/Tests/object-expression-__proto__.js
@@ -0,0 +1,6 @@
+test("__proto__ property", () => {
+    expect(Object.getPrototypeOf({ __proto__: null })).toBeNull();
+    expect(Object.getPrototypeOf({ __proto__: Array.prototype })).toEqual(Array.prototype);
+    expect(Object.getPrototypeOf({ "__proto__": Array.prototype })).toEqual(Array.prototype); // prettier-ignore
+    expect(Object.getOwnPropertyNames({ __proto__: Array.prototype, test: 1 })).toEqual(["test"]);
+});