Upstream Chrome on iOS source code [5/11].

ios/chrome/browser/ui/ntp/most_visited_cell_unittest.mm

+// 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.
+
+#include "base/mac/scoped_nsobject.h"
+#import "ios/chrome/browser/ui/ntp/most_visited_cell.h"
+#include "testing/platform_test.h"
+
+static NSString* title = @"Most Visited Cell Title";
+const GURL URL = GURL("http://example.com");
+
+// Fixture to test MostVisitedCell.
+class MostVisitedCellTest : public PlatformTest {
+ protected:
+  base::scoped_nsobject<MostVisitedCell> cell_;
+};
+
+TEST_F(MostVisitedCellTest, TestConstructor) {
+  CGRect rect = CGRectMake(0, 0, 100, 100);
+  cell_.reset([[MostVisitedCell alloc] initWithFrame:rect]);
+  [cell_ setURL:URL];
+  EXPECT_TRUE(cell_.get());
+  UIGraphicsBeginImageContext([cell_ bounds].size);
+  [cell_ drawRect:[cell_ bounds]];
+  UIGraphicsEndImageContext();
+  EXPECT_EQ(URL, [cell_ URL]);
+}
+
+TEST_F(MostVisitedCellTest, ValidateTitle) {
+  CGRect rect = CGRectMake(0, 0, 100, 100);
+  cell_.reset([[MostVisitedCell alloc] initWithFrame:rect]);
+  [cell_ setText:title];
+  EXPECT_EQ(title, [cell_ accessibilityLabel]);
+}