Create a MostVisited cell for ContentSuggestions

ios/chrome/browser/ui/content_suggestions/cells/content_suggestions_most_visited_item_unittest.mm

Index: ios/chrome/browser/ui/content_suggestions/cells/content_suggestions_most_visited_item_unittest.mm
diff --git a/ios/chrome/browser/ui/content_suggestions/cells/content_suggestions_most_visited_item_unittest.mm b/ios/chrome/browser/ui/content_suggestions/cells/content_suggestions_most_visited_item_unittest.mm
new file mode 100644
index 0000000000000000000000000000000000000000..50a147c999a8c1c21f004ee255c6d74cc3401602
--- /dev/null
+++ b/ios/chrome/browser/ui/content_suggestions/cells/content_suggestions_most_visited_item_unittest.mm
@@ -0,0 +1,81 @@
+// 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/content_suggestions/cells/content_suggestions_most_visited_item.h"
+
+#include "ios/chrome/browser/ui/ui_util.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
+namespace {
+
+TEST(ContentSuggestionsMostVisitedItemTest, Configure) {
+  // Setup.
+  ContentSuggestionsMostVisitedItem* item =
+      [[ContentSuggestionsMostVisitedItem alloc] initWithType:0];
+
+  // Action.
+  ContentSuggestionsMostVisitedCell* cell = [[[item cellClass] alloc] init];
+
+  // Test.
+  ASSERT_EQ([ContentSuggestionsMostVisitedCell class], [cell class]);
+}
+
+TEST(ContentSuggestionsMostVisitedItemTest, SizeIPhone6) {
+  // Setup.
+  if (IsIPadIdiom())
+    return;
+
+  ContentSuggestionsMostVisitedCell* cell =
+      [[ContentSuggestionsMostVisitedCell alloc] init];
+  cell.frame = CGRectMake(0, 0, 360, 0);
+  [cell layoutIfNeeded];
+
+  // Test.
+  EXPECT_EQ(4U, [cell numberOfTilesPerLine]);
+}
+
+TEST(ContentSuggestionsMostVisitedItemTest, SizeIPhone5) {
+  // Setup.
+  if (IsIPadIdiom())
+    return;
+
+  ContentSuggestionsMostVisitedCell* cell =
+      [[ContentSuggestionsMostVisitedCell alloc] init];
+  cell.frame = CGRectMake(0, 0, 320, 0);
+  [cell layoutIfNeeded];
+
+  // Test.
+  EXPECT_EQ(3U, [cell numberOfTilesPerLine]);
+}
+
+// Test for iPad portrait and iPhone landscape.
+TEST(ContentSuggestionsMostVisitedItemTest, SizeLarge) {
+  // Setup.
+  ContentSuggestionsMostVisitedCell* cell =
+      [[ContentSuggestionsMostVisitedCell alloc] init];
+  cell.frame = CGRectMake(0, 0, 720, 0);
+  [cell layoutIfNeeded];
+
+  // Test.
+  EXPECT_EQ(4U, [cell numberOfTilesPerLine]);
+}
+
+TEST(ContentSuggestionsMostVisitedItemTest, SizeIPadSplit) {
+  // Setup.
+  if (!IsIPadIdiom())
+    return;
+
+  ContentSuggestionsMostVisitedCell* cell =
+      [[ContentSuggestionsMostVisitedCell alloc] init];
+  cell.frame = CGRectMake(0, 0, 360, 0);
+  [cell layoutIfNeeded];
+
+  // Test.
+  EXPECT_EQ(3U, [cell numberOfTilesPerLine]);
+}
+}