Upstream Chrome on iOS source code [4/11].

ios/chrome/browser/ui/collection_view/cells/activity_indicator_cell_unittest.mm

Index: ios/chrome/browser/ui/collection_view/cells/activity_indicator_cell_unittest.mm
diff --git a/ios/chrome/browser/ui/collection_view/cells/activity_indicator_cell_unittest.mm b/ios/chrome/browser/ui/collection_view/cells/activity_indicator_cell_unittest.mm
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index 0000000000000000000000000000000000000000..f243a9a4f52ca8dab48612ee1ece12a50a38b868
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+++ b/ios/chrome/browser/ui/collection_view/cells/activity_indicator_cell_unittest.mm
@@ -0,0 +1,29 @@
+// Copyright 2016 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/collection_view/cells/activity_indicator_cell.h"
+
+#import "ios/chrome/browser/ui/collection_view/cells/collection_view_item.h"
+#import "ios/third_party/material_components_ios/src/components/ActivityIndicator/src/MaterialActivityIndicator.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
+namespace {
+
+// Tests that when an ActivityIndicatorCell is configured, it has a
+// MDCActivityIndicator that is animating.
+TEST(ActivityIndicatorItemTest, CellDisplaysActivityIndicator) {
+  CollectionViewItem* item = [[CollectionViewItem alloc] initWithType:0];
+  item.cellClass = [ActivityIndicatorCell class];
+  ActivityIndicatorCell* cell =
+      [[ActivityIndicatorCell alloc] initWithFrame:CGRectZero];
+  [item configureCell:cell];
+  MDCActivityIndicator* activity_indicator = cell.activityIndicator;
+  EXPECT_TRUE([activity_indicator isDescendantOfView:cell]);
+  EXPECT_TRUE(activity_indicator.isAnimating);
+}
+}