1 files changed, 34 insertions, 0 deletions
diff --git a/js/src/tests/non262/Iterator/from/proxy-not-wrapped.js b/js/src/tests/non262/Iterator/from/proxy-not-wrapped.js
new file mode 100644
index 0000000000..df38e0fc86
--- /dev/null
+++ b/js/src/tests/non262/Iterator/from/proxy-not-wrapped.js
@@ -0,0 +1,34 @@
+// |reftest| skip-if(!this.hasOwnProperty('Iterator')) -- Iterator is not enabled unconditionally
+const log = [];
+const handlerProxy = new Proxy({}, {
+  get: (target, key, receiver) => (...args) => {
+    log.push(`${key}: ${args[1]?.toString()}`);
+
+    const item = Reflect[key](...args);
+    if (typeof item === 'function')
+      return (...args) => new Proxy(item.apply(receiver, args), handlerProxy);
+    return item;
+  },
+});
+
+class Iter extends Iterator {
+  [Symbol.iterator]() {
+    return this;
+  }
+  next() {
+    return { done: false, value: 0 };
+  }
+}
+const iter = new Iter();
+const proxy = new Proxy(iter, handlerProxy);
+const wrap = Iterator.from(proxy);
+
+assertEq(
+  log.join('\n'),
+  `get: Symbol(Symbol.iterator)
+get: next
+getPrototypeOf: undefined`
+);
+
+if (typeof reportCompare === 'function')
+  reportCompare(0, 0);