[OfflinePages] Classifies PRERENDERING_FAILED cases whether to TryNext

chrome/browser/android/offline_pages/prerendering_loader_unittest.cc

 // 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 "chrome/browser/android/offline_pages/prerendering_loader.h"
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/run_loop.h"
@@ skipping 225 matching lines @@
   PumpLoop();
   EXPECT_TRUE(loader()->IsIdle());
   EXPECT_FALSE(loader()->IsLoaded());
   EXPECT_EQ(Offliner::RequestStatus::PRERENDERING_CANCELED,
             callback_load_status());
   EXPECT_FALSE(test_adapter()->IsActive());
 }
 
 TEST_F(PrerenderingLoaderTest, LoadPageLoadFailedNoContent) {
   test_adapter()->Configure(nullptr /* web_contents */,
-                            prerender::FINAL_STATUS_MEMORY_LIMIT_EXCEEDED);
+                            prerender::FINAL_STATUS_CACHE_OR_HISTORY_CLEARED);
   GURL gurl("http://testit.sea");
   EXPECT_TRUE(loader()->IsIdle());
   EXPECT_TRUE(loader()->LoadPage(
       gurl,
       base::Bind(&PrerenderingLoaderTest::OnLoadDone, base::Unretained(this))));
   EXPECT_FALSE(loader()->IsIdle());
   EXPECT_FALSE(loader()->IsLoaded());
 
   test_adapter()->GetObserver()->OnPrerenderDomContentLoaded();
   PumpLoop();
@@ skipping 26 matching lines @@
   // We did not provide any WebContents for the callback so expect did not load.
   // FinalStatus is non-retryable failure.
   EXPECT_EQ(Offliner::RequestStatus::PRERENDERING_FAILED_NO_RETRY,
             callback_load_status());
 
   // Stopped event causes no harm.
   test_adapter()->GetObserver()->OnPrerenderStop();
   PumpLoop();
 }
 
+TEST_F(PrerenderingLoaderTest, LoadPageLoadFailedNoNext) {
+  test_adapter()->Configure(nullptr /* web_contents */,
+                            prerender::FINAL_STATUS_MEMORY_LIMIT_EXCEEDED);
+  GURL gurl("http://testit.sea");
+  EXPECT_TRUE(loader()->IsIdle());
+  EXPECT_TRUE(loader()->LoadPage(
+      gurl,
+      base::Bind(&PrerenderingLoaderTest::OnLoadDone, base::Unretained(this))));
+  EXPECT_FALSE(loader()->IsIdle());
+  EXPECT_FALSE(loader()->IsLoaded());
+
+  test_adapter()->GetObserver()->OnPrerenderDomContentLoaded();
+  PumpLoop();
+  EXPECT_TRUE(loader()->IsIdle());
+  EXPECT_TRUE(callback_called());
+  // We did not provide any WebContents for the callback so expect did not load.
+  // FinalStatus is non-next failure.
+  EXPECT_EQ(Offliner::RequestStatus::PRERENDERING_FAILED_NO_NEXT,
+            callback_load_status());
+
+  // Stopped event causes no harm.
+  test_adapter()->GetObserver()->OnPrerenderStop();
+  PumpLoop();
+}
+
 TEST_F(PrerenderingLoaderTest, LoadPageLoadCanceled) {
   test_adapter()->Configure(nullptr /* web_contents */,
                             prerender::FINAL_STATUS_CANCELLED);
   GURL gurl("http://testit.sea");
   EXPECT_TRUE(loader()->IsIdle());
   EXPECT_TRUE(loader()->LoadPage(
       gurl,
       base::Bind(&PrerenderingLoaderTest::OnLoadDone, base::Unretained(this))));
   EXPECT_FALSE(loader()->IsIdle());
   EXPECT_FALSE(loader()->IsLoaded());
@@ skipping 80 matching lines @@
   test_adapter()->FailStart();
   GURL gurl("http://testit.sea");
   EXPECT_TRUE(loader()->IsIdle());
   EXPECT_FALSE(loader()->LoadPage(
       gurl,
       base::Bind(&PrerenderingLoaderTest::OnLoadDone, base::Unretained(this))));
   EXPECT_TRUE(loader()->IsIdle());
 }
 
 }  // namespace offline_pages