Upstream Chrome on iOS source code [9/11].

ios/chrome/browser/ui/tools_menu/tools_menu_view_item_unittest.mm

+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#import "ios/chrome/browser/ui/tools_menu/tools_menu_view_item.h"
+
+#import <UIKit/UIKit.h>
+
+#include "base/mac/scoped_nsobject.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/platform_test.h"
+
+namespace {
+
+class ToolsMenuViewItemTest : public PlatformTest {
+ protected:
+  void SetUp() override {
+    toolsMenuViewItem_.reset([[ToolsMenuViewItem alloc] init]);
+  }
+  base::scoped_nsobject<ToolsMenuViewItem> toolsMenuViewItem_;
+};
+
+TEST_F(ToolsMenuViewItemTest, CustomizeCellAccessibilityTrait) {
+  base::scoped_nsobject<ToolsMenuViewCell> cell1(
+      [[ToolsMenuViewCell alloc] init]);
+  base::scoped_nsobject<ToolsMenuViewCell> cell2(
+      [[ToolsMenuViewCell alloc] init]);
+
+  [toolsMenuViewItem_ setActive:YES];
+  [cell1 setAccessibilityTraits:UIAccessibilityTraitNotEnabled];
+  [cell1 configureForMenuItem:toolsMenuViewItem_];
+  EXPECT_FALSE(cell1.get().accessibilityTraits &
+               UIAccessibilityTraitNotEnabled);
+
+  [toolsMenuViewItem_ setActive:NO];
+  [cell2 configureForMenuItem:toolsMenuViewItem_];
+  EXPECT_TRUE(cell2.get().accessibilityTraits & UIAccessibilityTraitNotEnabled);
+
+  // Happens when cell2 is reused.
+  [toolsMenuViewItem_ setActive:YES];
+  [cell2 configureForMenuItem:toolsMenuViewItem_];
+  EXPECT_FALSE(cell2.get().accessibilityTraits &
+               UIAccessibilityTraitNotEnabled);
+}
+
+}  // namespace