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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/win/jumplist_update_util.h"
#include <algorithm>
#include "base/strings/utf_string_conversions.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
// Helper function to create a ShellLinkItem whose url is specified by |url|.
scoped_refptr<ShellLinkItem> CreateShellLinkWithURL(const std::string& url) {
auto item = base::MakeRefCounted<ShellLinkItem>();
item->set_url(url);
return item;
}
} // namespace
TEST(JumpListUpdateUtilTest, MostVisitedItemsUnchanged) {
// Test data.
static constexpr struct {
const char* url;
const char16_t* title;
} kTestData[] = {{"https://www.google.com/", u"Google"},
{"https://www.youtube.com/", u"Youtube"},
{"https://www.gmail.com/", u"Gmail"}};
ShellLinkItemList jumplist_items;
history::MostVisitedURLList history_items;
for (const auto& test_data : kTestData) {
jumplist_items.push_back(CreateShellLinkWithURL(test_data.url));
history_items.emplace_back(GURL(test_data.url), test_data.title);
}
// Both jumplist_items and history_items have 3 urls: Google, Youtube, Gmail.
// Also, their urls have the same order.
EXPECT_TRUE(MostVisitedItemsUnchanged(jumplist_items, history_items, 3));
EXPECT_FALSE(MostVisitedItemsUnchanged(jumplist_items, history_items, 2));
EXPECT_FALSE(MostVisitedItemsUnchanged(jumplist_items, history_items, 1));
// Reverse history_items, so the 3 urls in history_items are in reverse order:
// Gmail, Youtube, Google.
// The 3 urls in jumplist_items remain the same: Google, Youtube, Gmail.
std::reverse(history_items.begin(), history_items.end());
EXPECT_FALSE(MostVisitedItemsUnchanged(jumplist_items, history_items, 3));
// Reverse history_items back.
std::reverse(history_items.begin(), history_items.end());
EXPECT_TRUE(MostVisitedItemsUnchanged(jumplist_items, history_items, 3));
// Pop out the last url ("Gmail") from jumplist_items.
// Now jumplist_items has 2 urls: Google, Youtube,
// and history_items has 3 urls: Google, Youtube, Gmail.
jumplist_items.pop_back();
EXPECT_FALSE(MostVisitedItemsUnchanged(jumplist_items, history_items, 3));
EXPECT_TRUE(MostVisitedItemsUnchanged(jumplist_items, history_items, 2));
EXPECT_FALSE(MostVisitedItemsUnchanged(jumplist_items, history_items, 1));
// Pop out the last two urls ("Youtube", "Gmail") from history_items.
// Now jumplist_items has 2 urls: Google, Youtube,
// and history_items has 1 url: Google.
history_items.pop_back();
history_items.pop_back();
EXPECT_FALSE(MostVisitedItemsUnchanged(jumplist_items, history_items, 3));
EXPECT_FALSE(MostVisitedItemsUnchanged(jumplist_items, history_items, 2));
EXPECT_FALSE(MostVisitedItemsUnchanged(jumplist_items, history_items, 1));
}
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