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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/json/json_string_value_serializer.h"
#include "components/account_id/account_id.h"
#include "components/desks_storage/core/desk_template_conversion.h"
#include "components/desks_storage/core/desk_template_util.h"
#include "components/desks_storage/core/desk_test_util.h"
#include "components/services/app_service/public/cpp/app_registry_cache.h"
#include "components/sync/protocol/workspace_desk_specifics.pb.h"
#include "testing/libfuzzer/proto/lpm_interface.h"
namespace desks_storage {
// Attempts to parse proto from fuzz data, if succeeds verifies semantic
// equivalency between the various formats.
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
// parse string into value.
std::string str = std::string(reinterpret_cast<const char*>(data), size);
std::string error_message;
int error_code;
std::unique_ptr<base::Value> desk_template_value =
JSONStringValueDeserializer(str).Deserialize(&error_code, &error_message);
if (desk_template_value == nullptr) {
return 0;
}
// Init dependencies for conversion.
AccountId account_id;
std::unique_ptr<apps::AppRegistryCache> apps_cache =
std::make_unique<apps::AppRegistryCache>();
desk_test_util::PopulateAppRegistryCache(account_id, apps_cache.get());
desk_template_conversion::ParseSavedDeskResult desk_template_result =
desk_template_conversion::ParseDeskTemplateFromBaseValue(
*desk_template_value, ash::DeskTemplateSource::kUser);
if (!desk_template_result.has_value()) {
return 0;
}
std::unique_ptr<ash::DeskTemplate> desk_template =
std::move(desk_template_result.value());
// Round trip for sync protos.
sync_pb::WorkspaceDeskSpecifics template_to_proto =
desk_template_conversion::ToSyncProto(desk_template.get(),
apps_cache.get());
std::unique_ptr<ash::DeskTemplate> proto_to_template =
desk_template_conversion::FromSyncProto(template_to_proto);
CHECK(desk_template_util::AreDeskTemplatesEqual(desk_template.get(),
proto_to_template.get()));
// Round trip for JSON format.
base::Value template_to_value =
desk_template_conversion::SerializeDeskTemplateAsBaseValue(
desk_template.get(), apps_cache.get());
desk_template_conversion::ParseSavedDeskResult parse_result =
desk_template_conversion::ParseDeskTemplateFromBaseValue(
template_to_value, desk_template->source());
CHECK(parse_result.has_value());
CHECK(desk_template_util::AreDeskTemplatesEqual(desk_template.get(),
parse_result.value().get()));
return 0;
}
} // namespace desks_storage
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