Refactoring Reload in NavigationManager and CRWWebController.

ios/web/navigation/navigation_manager_impl_unittest.mm

 // Copyright 2014 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/web/navigation/navigation_manager_impl.h"
 
 #include "base/logging.h"
 #import "base/mac/scoped_nsobject.h"
 #import "ios/web/navigation/crw_session_controller+private_constructors.h"
 #import "ios/web/navigation/navigation_manager_delegate.h"
 #include "ios/web/public/navigation_item.h"
 #include "ios/web/public/test/fakes/test_browser_state.h"
 #include "ios/web/test/test_url_constants.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 
 namespace web {
 namespace {
 // Stub class for NavigationManagerDelegate.
 class TestNavigationManagerDelegate : public NavigationManagerDelegate {
   void GoToIndex(int index) override {}
   void LoadURLWithParams(const NavigationManager::WebLoadParams&) override {}
+  void Reload() override {}
   void OnNavigationItemsPruned(size_t pruned_item_count) override {}
   void OnNavigationItemChanged() override{};
   void OnNavigationItemCommitted(const LoadCommittedDetails&) override {}
   WebState* GetWebState() override { return nullptr; }
 };
 }  // namespace
 
 // Test fixture for NavigationManagerImpl testing.
 class NavigationManagerTest : public PlatformTest {
  protected:
@@ skipping 558 matching lines @@
   navigation_manager()->AddPendingItem(
       GURL("http://www.3.com"), Referrer(), ui::PAGE_TRANSITION_TYPED,
       web::NavigationInitiationType::USER_INITIATED);
   [session_controller() commitPendingItem];
   web::NavigationItem* item3 = navigation_manager()->GetLastCommittedItem();
 
   // Verify that |item2|'s UserAgentType is propagated to |item3|.
   EXPECT_EQ(item2->GetUserAgentType(), item3->GetUserAgentType());
 }
 
+// Tests that calling |Reload| on NavigationManager leaves the Url of the
+// visible item unchanged.
+TEST_F(NavigationManagerTest, ReloadWithNormalReloadType) {
+  navigation_manager()->AddPendingItem(
+      GURL("http://www.url.com"), Referrer(), ui::PAGE_TRANSITION_TYPED,
+      web::NavigationInitiationType::USER_INITIATED);
+  ASSERT_TRUE(navigation_manager()->GetVisibleItem());
+
+  GURL url_before_reload = navigation_manager()->GetVisibleItem()->GetURL();
+  navigation_manager()->Reload(web::ReloadType::NORMAL,
+                               false /* check_for_repost */);
+
+  EXPECT_EQ(url_before_reload,
+            navigation_manager()->GetVisibleItem()->GetURL());
+}
+
 }  // namespace web