1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/tests/non262/Iterator/from/wrap-next-forwards-value.js b/js/src/tests/non262/Iterator/from/wrap-next-forwards-value.js
new file mode 100644
index 0000000000..095ddd692a
--- /dev/null
+++ b/js/src/tests/non262/Iterator/from/wrap-next-forwards-value.js
@@ -0,0 +1,18 @@
+// |reftest| skip-if(!this.hasOwnProperty('Iterator')) -- Iterator is not enabled unconditionally
+class Iter {
+  next(value) {
+    this.v = value;
+    return { done: false, value };
+  }
+}
+
+const iter = new Iter();
+const wrap = Iterator.from(iter);
+assertEq(iter !== wrap, true);
+
+assertEq(iter.v, undefined);
+wrap.next(1);
+assertEq(iter.v, 1);
+
+if (typeof reportCompare === 'function')
+  reportCompare(0, 0);