Upstream Chrome on iOS source code [7/11].

ios/chrome/browser/ui/settings/cells/byo_textfield_item_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.
+
+#import "ios/chrome/browser/ui/settings/cells/byo_textfield_item.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 textfield is set properly after a call to |configureCell:|.
+TEST(BYOTextFieldItemTest, ConfigureCell) {
+  BYOTextFieldItem* item = [[BYOTextFieldItem alloc] initWithType:0];
+  BYOTextFieldCell* cell = [[[item cellClass] alloc] init];
+  EXPECT_TRUE([cell isMemberOfClass:[BYOTextFieldCell class]]);
+
+  UITextField* textField = [[UITextField alloc] init];
+  EXPECT_NSEQ(nil, [textField superview]);
+  item.textField = textField;
+  [item configureCell:cell];
+  EXPECT_NSEQ(cell.contentView, [textField superview]);
+  EXPECT_TRUE(CGRectEqualToRect(cell.contentView.bounds, textField.frame));
+}
+
+}  // namespace