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// Copyright (c) 2012 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/values.h"
#include "base/memory/scoped_ptr.h"
#include "chrome/browser/prerender/prerender_history.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace prerender {
namespace {
bool ListEntryMatches(ListValue* list,
size_t index,
const char* expected_url,
FinalStatus expected_final_status,
Origin expected_origin,
const std::string& expected_end_time) {
if (index >= list->GetSize())
return false;
DictionaryValue* dict = NULL;
if (!list->GetDictionary(index, &dict))
return false;
if (dict->size() != 4u)
return false;
std::string url;
if (!dict->GetString("url", &url))
return false;
if (url != expected_url)
return false;
std::string final_status;
if (!dict->GetString("final_status", &final_status))
return false;
if (final_status != NameFromFinalStatus(expected_final_status))
return false;
std::string origin;
if (!dict->GetString("origin", &origin))
return false;
if (origin != NameFromOrigin(expected_origin))
return false;
std::string end_time;
if (!dict->GetString("end_time", &end_time))
return false;
if (end_time != expected_end_time)
return false;
return true;
}
TEST(PrerenderHistoryTest, GetAsValue) {
scoped_ptr<Value> entry_value;
ListValue* entry_list = NULL;
// Create a history with only 2 values.
PrerenderHistory history(2);
// Make sure an empty list exists when retrieving as value.
entry_value.reset(history.GetEntriesAsValue());
ASSERT_TRUE(entry_value.get() != NULL);
ASSERT_TRUE(entry_value->GetAsList(&entry_list));
EXPECT_TRUE(entry_list->empty());
// Base time used for all events. Each event is given a time 1 millisecond
// after that of the previous one.
base::Time epoch_start = base::Time::UnixEpoch();
// Add a single entry and make sure that it matches up.
const char* const kFirstUrl = "http://www.alpha.com/";
const FinalStatus kFirstFinalStatus = FINAL_STATUS_USED;
const Origin kFirstOrigin = ORIGIN_LINK_REL_PRERENDER_CROSSDOMAIN;
PrerenderHistory::Entry entry_first(
GURL(kFirstUrl), kFirstFinalStatus, kFirstOrigin, epoch_start);
history.AddEntry(entry_first);
entry_value.reset(history.GetEntriesAsValue());
ASSERT_TRUE(entry_value.get() != NULL);
ASSERT_TRUE(entry_value->GetAsList(&entry_list));
EXPECT_EQ(1u, entry_list->GetSize());
EXPECT_TRUE(ListEntryMatches(entry_list, 0u, kFirstUrl, kFirstFinalStatus,
kFirstOrigin, "0"));
// Add a second entry and make sure both first and second appear.
const char* const kSecondUrl = "http://www.beta.com/";
const FinalStatus kSecondFinalStatus = FINAL_STATUS_INVALID_HTTP_METHOD;
const Origin kSecondOrigin = ORIGIN_OMNIBOX;
PrerenderHistory::Entry entry_second(
GURL(kSecondUrl), kSecondFinalStatus, kSecondOrigin,
epoch_start + base::TimeDelta::FromMilliseconds(1));
history.AddEntry(entry_second);
entry_value.reset(history.GetEntriesAsValue());
ASSERT_TRUE(entry_value.get() != NULL);
ASSERT_TRUE(entry_value->GetAsList(&entry_list));
EXPECT_EQ(2u, entry_list->GetSize());
EXPECT_TRUE(ListEntryMatches(entry_list, 0u, kSecondUrl, kSecondFinalStatus,
kSecondOrigin, "1"));
EXPECT_TRUE(ListEntryMatches(entry_list, 1u, kFirstUrl, kFirstFinalStatus,
kFirstOrigin, "0"));
// Add a third entry and make sure that the first one drops off.
const char* const kThirdUrl = "http://www.gamma.com/";
const FinalStatus kThirdFinalStatus = FINAL_STATUS_AUTH_NEEDED;
const Origin kThirdOrigin = ORIGIN_LINK_REL_PRERENDER_CROSSDOMAIN;
PrerenderHistory::Entry entry_third(
GURL(kThirdUrl), kThirdFinalStatus, kThirdOrigin,
epoch_start + base::TimeDelta::FromMilliseconds(2));
history.AddEntry(entry_third);
entry_value.reset(history.GetEntriesAsValue());
ASSERT_TRUE(entry_value.get() != NULL);
ASSERT_TRUE(entry_value->GetAsList(&entry_list));
EXPECT_EQ(2u, entry_list->GetSize());
EXPECT_TRUE(ListEntryMatches(entry_list, 0u, kThirdUrl, kThirdFinalStatus,
kThirdOrigin, "2"));
EXPECT_TRUE(ListEntryMatches(entry_list, 1u, kSecondUrl, kSecondFinalStatus,
kSecondOrigin, "1"));
// Make sure clearing history acts as expected.
history.Clear();
entry_value.reset(history.GetEntriesAsValue());
ASSERT_TRUE(entry_value.get() != NULL);
ASSERT_TRUE(entry_value->GetAsList(&entry_list));
EXPECT_TRUE(entry_list->empty());
}
} // namespace
} // namespace prerender
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