From 689f1848719e2e317ca234434b81aef588437757 Mon Sep 17 00:00:00 2001
From: Denis Pushkarev <zloirock@zloirock.ru>
Date: Thu, 15 Sep 2022 06:50:15 +0700
Subject: [PATCH] add some tests

---
 tests/pure/esnext.async-iterator.from.js  | 3 ++-
 tests/pure/esnext.iterator.from.js        | 2 ++
 tests/tests/esnext.async-iterator.from.js | 7 +++++--
 tests/tests/esnext.iterator.from.js       | 3 +++
 4 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/tests/pure/esnext.async-iterator.from.js b/tests/pure/esnext.async-iterator.from.js
index 14456d6f104f..e4ee63248b1d 100644
--- a/tests/pure/esnext.async-iterator.from.js
+++ b/tests/pure/esnext.async-iterator.from.js
@@ -4,7 +4,7 @@ import values from 'core-js-pure/es/array/values';
 import AsyncIterator from 'core-js-pure/full/async-iterator';
 
 QUnit.test('AsyncIterator.from', assert => {
-  assert.expect(9);
+  assert.expect(10);
   const async = assert.async();
   const { from } = AsyncIterator;
 
@@ -29,4 +29,5 @@ QUnit.test('AsyncIterator.from', assert => {
   assert.throws(() => from(undefined), TypeError);
   assert.throws(() => from(null), TypeError);
   assert.throws(() => from({}), TypeError);
+  assert.throws(() => from(assign(new AsyncIterator(), { next: 42 })), TypeError);
 });
diff --git a/tests/pure/esnext.iterator.from.js b/tests/pure/esnext.iterator.from.js
index 95ee908ee280..3c363077baf9 100644
--- a/tests/pure/esnext.iterator.from.js
+++ b/tests/pure/esnext.iterator.from.js
@@ -1,6 +1,7 @@
 import { createIterable, createIterator } from '../helpers/helpers';
 
 import Iterator from 'core-js-pure/full/iterator';
+import assign from 'core-js-pure/es/object/assign';
 
 QUnit.test('Iterator.from', assert => {
   const { from } = Iterator;
@@ -17,4 +18,5 @@ QUnit.test('Iterator.from', assert => {
   assert.throws(() => from(undefined), TypeError);
   assert.throws(() => from(null), TypeError);
   assert.throws(() => from({}), TypeError);
+  assert.throws(() => from(assign(new Iterator(), { next: 42 })), TypeError);
 });
diff --git a/tests/tests/esnext.async-iterator.from.js b/tests/tests/esnext.async-iterator.from.js
index 49e6e193eee5..62c97222f4c7 100644
--- a/tests/tests/esnext.async-iterator.from.js
+++ b/tests/tests/esnext.async-iterator.from.js
@@ -1,5 +1,7 @@
+const { assign } = Object;
+
 QUnit.test('AsyncIterator.from', assert => {
-  assert.expect(12);
+  assert.expect(13);
   const async = assert.async();
   const { from } = AsyncIterator;
 
@@ -18,7 +20,7 @@ QUnit.test('AsyncIterator.from', assert => {
     async();
   });
 
-  const asyncIterator = Object.assign(new AsyncIterator(), {
+  const asyncIterator = assign(new AsyncIterator(), {
     next: () => { /* empty */ },
   });
 
@@ -27,4 +29,5 @@ QUnit.test('AsyncIterator.from', assert => {
   assert.throws(() => from(undefined), TypeError);
   assert.throws(() => from(null), TypeError);
   assert.throws(() => from({}), TypeError);
+  assert.throws(() => from(assign(new AsyncIterator(), { next: 42 })), TypeError);
 });
diff --git a/tests/tests/esnext.iterator.from.js b/tests/tests/esnext.iterator.from.js
index 4e3acff0e4a3..965e12165f9d 100644
--- a/tests/tests/esnext.iterator.from.js
+++ b/tests/tests/esnext.iterator.from.js
@@ -1,5 +1,7 @@
 import { createIterable, createIterator } from '../helpers/helpers';
 
+const { assign } = Object;
+
 QUnit.test('Iterator.from', assert => {
   const { from } = Iterator;
 
@@ -18,4 +20,5 @@ QUnit.test('Iterator.from', assert => {
   assert.throws(() => from(undefined), TypeError);
   assert.throws(() => from(null), TypeError);
   assert.throws(() => from({}), TypeError);
+  assert.throws(() => from(assign(new Iterator(), { next: 42 })), TypeError);
 });