1 files changed, 42 insertions, 0 deletions
diff --git a/js/src/tests/non262/Iterator/from/wrap-method-with-non-wrap-this-throws.js b/js/src/tests/non262/Iterator/from/wrap-method-with-non-wrap-this-throws.js
new file mode 100644
index 0000000000..7ff8539923
--- /dev/null
+++ b/js/src/tests/non262/Iterator/from/wrap-method-with-non-wrap-this-throws.js
@@ -0,0 +1,42 @@
+// |reftest| skip-if(!this.hasOwnProperty('Iterator')) -- Iterator is not enabled unconditionally
+// All methods on %WrapForValidIteratorPrototype% require an [[Iterated]]
+// internal slot on the `this` object.
+
+class TestIterator {
+  next() {
+    return {
+      done: false,
+      value: 0,
+    };
+  }
+}
+
+const nextMethod = Iterator.from(new TestIterator()).next;
+assertThrowsInstanceOf(() => nextMethod.call(undefined), TypeError);
+assertThrowsInstanceOf(() => nextMethod.call(null), TypeError);
+assertThrowsInstanceOf(() => nextMethod.call(0), TypeError);
+assertThrowsInstanceOf(() => nextMethod.call(false), TypeError);
+assertThrowsInstanceOf(() => nextMethod.call('test'), TypeError);
+assertThrowsInstanceOf(() => nextMethod.call(Object(1)), TypeError);
+assertThrowsInstanceOf(() => nextMethod.call({}), TypeError);
+
+const returnMethod = Iterator.from(new TestIterator()).next;
+assertThrowsInstanceOf(() => returnMethod.call(undefined), TypeError);
+assertThrowsInstanceOf(() => returnMethod.call(null), TypeError);
+assertThrowsInstanceOf(() => returnMethod.call(0), TypeError);
+assertThrowsInstanceOf(() => returnMethod.call(false), TypeError);
+assertThrowsInstanceOf(() => returnMethod.call('test'), TypeError);
+assertThrowsInstanceOf(() => returnMethod.call(Object(1)), TypeError);
+assertThrowsInstanceOf(() => returnMethod.call({}), TypeError);
+
+const throwMethod = Iterator.from(new TestIterator()).next;
+assertThrowsInstanceOf(() => throwMethod.call(undefined), TypeError);
+assertThrowsInstanceOf(() => throwMethod.call(null), TypeError);
+assertThrowsInstanceOf(() => throwMethod.call(0), TypeError);
+assertThrowsInstanceOf(() => throwMethod.call(false), TypeError);
+assertThrowsInstanceOf(() => throwMethod.call('test'), TypeError);
+assertThrowsInstanceOf(() => throwMethod.call(Object(1)), TypeError);
+assertThrowsInstanceOf(() => throwMethod.call({}), TypeError);
+
+if (typeof reportCompare === 'function')
+  reportCompare(0, 0);