Creates coordinator for ActionSheet and TextInput

ios/chrome/browser/ui/alert_coordinator/input_alert_coordinator_unittest.mm

Index: ios/chrome/browser/ui/alert_coordinator/input_alert_coordinator_unittest.mm
diff --git a/ios/chrome/browser/ui/alert_coordinator/input_alert_coordinator_unittest.mm b/ios/chrome/browser/ui/alert_coordinator/input_alert_coordinator_unittest.mm
new file mode 100644
index 0000000000000000000000000000000000000000..4aebd39a8a443ad7622e00ba59ff654aae16d283
--- /dev/null
+++ b/ios/chrome/browser/ui/alert_coordinator/input_alert_coordinator_unittest.mm
@@ -0,0 +1,53 @@
+// 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/alert_coordinator/input_alert_coordinator.h"
+
+#include "testing/platform_test.h"
+#import "third_party/ocmock/OCMock/OCMock.h"
+#include "third_party/ocmock/gtest_support.h"
+
+TEST(InputAlertCoordinatorTest, AddTextField) {
+  // Setup.
+  UIViewController* viewController =
+      [[[UIViewController alloc] init] autorelease];
+  InputAlertCoordinator* alertCoordinator = [[[InputAlertCoordinator alloc]
+      initWithBaseViewController:viewController
+                           title:@"Test"
+                         message:nil] autorelease];
+
+  void (^emptyHandler)(UITextField* textField) = ^(UITextField* textField) {
+  };
+  id alert =
+      [OCMockObject partialMockForObject:alertCoordinator.alertController];
+  [[alert expect] addTextFieldWithConfigurationHandler:emptyHandler];
+
+  // Action.
+  [alertCoordinator addTextFieldWithConfigurationHandler:emptyHandler];
+
+  // Test.
+  EXPECT_OCMOCK_VERIFY(alert);
+}
+
+TEST(InputAlertCoordinatorTest, GetTextFields) {
+  // Setup.
+  UIViewController* viewController =
+      [[[UIViewController alloc] init] autorelease];
+  InputAlertCoordinator* alertCoordinator = [[[InputAlertCoordinator alloc]
+      initWithBaseViewController:viewController
+                           title:@"Test"
+                         message:nil] autorelease];
+
+  NSArray<UITextField*>* array = [NSArray array];
+  id alert =
+      [OCMockObject partialMockForObject:alertCoordinator.alertController];
+  [[[alert expect] andReturn:array] textFields];
+
+  // Action.
+  NSArray<UITextField*>* resultArray = alertCoordinator.textFields;
+
+  // Test.
+  EXPECT_EQ(array, resultArray);
+  EXPECT_OCMOCK_VERIFY(alert);
+}