Suggestions UI - expandable item

ios/chrome/browser/ui/suggestions/suggestions_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/ui/suggestions/suggestions_item.h"
+
+#import "ios/chrome/browser/ui/collection_view/cells/collection_view_item.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+// Tests that configureCell: set all the fields of the cell.
+TEST(SuggestionsItemTest, CellIsConfigured) {
+  NSString* title = @"testTitle";
+  NSString* subtitle = @"testSubtitle";
+  SuggestionsItem* item =
+      [[SuggestionsItem alloc] initWithType:0 title:title subtitle:subtitle];
+  SuggestionsCell* cell = [[[item cellClass] alloc] init];
+  EXPECT_TRUE([cell isMemberOfClass:[SuggestionsCell class]]);
+
+  [item configureCell:cell];
+  EXPECT_EQ(title, [cell.titleButton titleForState:UIControlStateNormal]);
+  EXPECT_EQ(subtitle, cell.detailTextLabel.text);
+}
+
+}  // namespace