1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/tests/non262/PrivateName/constructor-args.js b/js/src/tests/non262/PrivateName/constructor-args.js
new file mode 100644
index 0000000000..970d809921
--- /dev/null
+++ b/js/src/tests/non262/PrivateName/constructor-args.js
@@ -0,0 +1,23 @@
+class A {
+    #x = "hello";
+    constructor(o = this.#x) {
+        this.value = o;
+    }
+};
+
+var a = new A;
+assertEq(a.value, "hello");
+
+
+class B extends A {
+    constructor() {
+        // Cannot access 'this' until super() called.
+        super();
+        assertEq("value" in this, true);
+        assertEq(this.value, "hello");
+    }
+}
+
+var b = new B;
+
+if (typeof reportCompare === 'function') reportCompare(0, 0);