[Payment Request] Payment request summary view pending state

ios/chrome/browser/payments/payment_request_view_controller_unittest.mm

 // Copyright 2017 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/payments/payment_request_view_controller.h"
 
 #include "base/mac/foundation_util.h"
 #include "base/memory/ptr_util.h"
 #include "components/autofill/core/browser/autofill_profile.h"
 #include "components/autofill/core/browser/autofill_test_utils.h"
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   [GetPaymentRequestViewController() loadModel];
 
   // The only item in the Payment section should be of type
   // CollectionViewDetailItem.
   ASSERT_EQ(1U, static_cast<unsigned int>(NumberOfItemsInSection(2)));
   id item = GetCollectionViewItem(2, 0);
   EXPECT_TRUE([item isMemberOfClass:[CollectionViewDetailItem class]]);
   CollectionViewDetailItem* detail_item = item;
   EXPECT_EQ(MDCCollectionViewCellAccessoryNone, detail_item.accessoryType);
 }
+
+// Tests that the correct items are displayed after loading the model, when
+// the view is in pending state.
+TEST_F(PaymentRequestViewControllerTest, TestModelPendingState) {
+  CreateController();
+  CheckController();
+
+  [GetPaymentRequestViewController() setPending:YES];
+  [GetPaymentRequestViewController() loadModel];
+
+  ASSERT_EQ(1, NumberOfSections());
+  // There should be only one item.
+  ASSERT_EQ(1U, static_cast<unsigned int>(NumberOfItemsInSection(0)));
+
+  // The item should be of type StatusItem.
+  id item = GetCollectionViewItem(0, 0);
+  EXPECT_TRUE([item isMemberOfClass:[StatusItem class]]);
+}