[Payment Request] Accepted credit card type icons in the credit card editor

ios/chrome/browser/payments/cells/accepted_payment_methods_item_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/cells/accepted_payment_methods_item.h"
+
+#import "ios/chrome/browser/ui/collection_view/cells/test_utils.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/gtest_mac.h"
+
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
+namespace {
+
+// Tests that the label and the images are set properly after a call to
+// |configureCell:|.
+TEST(PaymentRequestAcceptedPaymentMethodsItemTest, TextLabelsAndImages) {
+  AcceptedPaymentMethodsItem* item = [[AcceptedPaymentMethodsItem alloc] init];
+
+  NSString* message = @"Lorem ipsum dolor sit amet";
+  NSArray* methodTypeIcons = @[
+    ios_internal::CollectionViewTestImage(),
+    ios_internal::CollectionViewTestImage()
+  ];
+
+  item.message = message;
+  item.methodTypeIcons = methodTypeIcons;
+
+  id cell = [[[item cellClass] alloc] init];
+  ASSERT_TRUE([cell isMemberOfClass:[AcceptedPaymentMethodsCell class]]);
+
+  AcceptedPaymentMethodsCell* acceptedPaymentMethodsCell = cell;
+  EXPECT_FALSE(acceptedPaymentMethodsCell.messageLabel.text);
+  EXPECT_EQ(nil, acceptedPaymentMethodsCell.methodTypeIconViews);
+
+  [item configureCell:acceptedPaymentMethodsCell];
+  EXPECT_NSEQ(message, acceptedPaymentMethodsCell.messageLabel.text);
+  ASSERT_EQ(2UL, acceptedPaymentMethodsCell.methodTypeIconViews.count);
+  EXPECT_NSEQ(methodTypeIcons[0],
+              acceptedPaymentMethodsCell.methodTypeIconViews[0].image);
+  EXPECT_NSEQ(methodTypeIcons[1],
+              acceptedPaymentMethodsCell.methodTypeIconViews[1].image);
+}
+
+}  // namespace