From 5498ab79a1ee0a2bb786f20f093596becb9d56db Mon Sep 17 00:00:00 2001
From: Alexey Shvayka <shvaikalesh@gmail.com>
Date: Fri, 8 May 2020 16:40:46 +0300
Subject: [PATCH] Add %TypedArray%.from test

---
 .../iterator-method-emulates-undefined.js     | 35 +++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 test/annexB/built-ins/TypedArrayConstructors/from/iterator-method-emulates-undefined.js

diff --git a/test/annexB/built-ins/TypedArrayConstructors/from/iterator-method-emulates-undefined.js b/test/annexB/built-ins/TypedArrayConstructors/from/iterator-method-emulates-undefined.js
new file mode 100644
index 0000000000..b38ef46933
--- /dev/null
+++ b/test/annexB/built-ins/TypedArrayConstructors/from/iterator-method-emulates-undefined.js
@@ -0,0 +1,35 @@
+// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.from
+description: >
+  [[IsHTMLDDA]] object as @@iterator method gets called.
+info: |
+  %TypedArray%.from ( source [ , mapfn [ , thisArg ] ] )
+
+  [...]
+  5. Let usingIterator be ? GetMethod(items, @@iterator).
+  6. If usingIterator is not undefined, then
+    a. Let values be ? IterableToList(source, usingIterator).
+
+  IterableToList ( items, method )
+
+  1. Let iteratorRecord be ? GetIterator(items, sync, method).
+
+  GetIterator ( obj [ , hint [ , method ] ] )
+
+  [...]
+  4. Let iterator be ? Call(method, obj).
+  5. If Type(iterator) is not Object, throw a TypeError exception.
+includes: [testTypedArray.js]
+features: [Symbol.iterator, TypedArray, IsHTMLDDA]
+---*/
+
+var items = {};
+items[Symbol.iterator] = $262.IsHTMLDDA;
+
+testWithTypedArrayConstructors(function(TypedArray) {
+  assert.throws(TypeError, function() {
+    TypedArray.from(items);
+  });
+});