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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/commerce/core/commerce_info_cache.h"
#include <memory>
#include "base/functional/callback.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "url/gurl.h"
namespace commerce {
namespace {
const char kUrl1[] = "http://example.com/product";
const char kUrl2[] = "http://example.com/product/green";
class CommerceInfoCacheTest : public testing::Test {};
TEST_F(CommerceInfoCacheTest, CacheEntryMaintained) {
CommerceInfoCache cache;
ASSERT_FALSE(cache.IsUrlReferenced(GURL(kUrl1)));
CommerceInfoCache::CacheEntry* entry = cache.GetEntryForUrl(GURL(kUrl1));
ASSERT_TRUE(entry == nullptr);
cache.AddRef(GURL(kUrl1));
ASSERT_TRUE(cache.IsUrlReferenced(GURL(kUrl1)));
entry = cache.GetEntryForUrl(GURL(kUrl1));
ASSERT_FALSE(entry == nullptr);
cache.RemoveRef(GURL(kUrl1));
entry = cache.GetEntryForUrl(GURL(kUrl1));
ASSERT_TRUE(entry == nullptr);
}
TEST_F(CommerceInfoCacheTest, CacheEntryMaintained_MultipleUrlInstances) {
CommerceInfoCache cache;
ASSERT_FALSE(cache.IsUrlReferenced(GURL(kUrl1)));
ASSERT_TRUE(cache.GetEntryForUrl(GURL(kUrl1)) == nullptr);
cache.AddRef(GURL(kUrl1));
CommerceInfoCache::CacheEntry* entry_before =
cache.GetEntryForUrl(GURL(kUrl1));
ASSERT_FALSE(entry_before == nullptr);
ASSERT_TRUE(cache.IsUrlReferenced(GURL(kUrl1)));
// Add another instance of the URL.
cache.AddRef(GURL(kUrl1));
// The original pointer should match the current.
ASSERT_EQ(entry_before, cache.GetEntryForUrl(GURL(kUrl1)));
// Removing one instance should not affect the cache entry.
cache.RemoveRef(GURL(kUrl1));
ASSERT_EQ(entry_before, cache.GetEntryForUrl(GURL(kUrl1)));
// Clear the last instance.
cache.RemoveRef(GURL(kUrl1));
ASSERT_TRUE(cache.GetEntryForUrl(GURL(kUrl1)) == nullptr);
}
TEST_F(CommerceInfoCacheTest, CacheEntryMaintained_MultipleUrls) {
CommerceInfoCache cache;
ASSERT_FALSE(cache.IsUrlReferenced(GURL(kUrl1)));
ASSERT_FALSE(cache.IsUrlReferenced(GURL(kUrl2)));
cache.AddRef(GURL(kUrl1));
ASSERT_FALSE(cache.GetEntryForUrl(GURL(kUrl1)) == nullptr);
ASSERT_TRUE(cache.GetEntryForUrl(GURL(kUrl2)) == nullptr);
cache.AddRef(GURL(kUrl2));
ASSERT_FALSE(cache.GetEntryForUrl(GURL(kUrl1)) == nullptr);
ASSERT_FALSE(cache.GetEntryForUrl(GURL(kUrl2)) == nullptr);
cache.RemoveRef(GURL(kUrl1));
ASSERT_TRUE(cache.GetEntryForUrl(GURL(kUrl1)) == nullptr);
ASSERT_FALSE(cache.GetEntryForUrl(GURL(kUrl2)) == nullptr);
cache.RemoveRef(GURL(kUrl2));
ASSERT_TRUE(cache.GetEntryForUrl(GURL(kUrl1)) == nullptr);
ASSERT_TRUE(cache.GetEntryForUrl(GURL(kUrl2)) == nullptr);
}
} // namespace
} // namespace commerce
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