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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
#include <gtest/gtest.h>
#include <stddef.h>
#include <stdint.h>
#include "opentelemetry/common/key_value_iterable.h"
#include "opentelemetry/context/context.h"
#include "opentelemetry/nostd/shared_ptr.h"
#include "opentelemetry/sdk/metrics/state/metric_storage.h"
#include "opentelemetry/sdk/metrics/state/multi_metric_storage.h"
#ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
# include "opentelemetry/sdk/metrics/exemplar/no_exemplar_reservoir.h"
#endif // ENABLE_METRICS_EXEMPLAR_PREVIEW
using namespace opentelemetry;
using namespace opentelemetry::sdk::metrics;
class TestMetricStorage : public SyncWritableMetricStorage
{
public:
void RecordLong(int64_t /* value */,
const opentelemetry::context::Context & /* context */) noexcept override
{
num_calls_long++;
}
void RecordLong(int64_t /* value */,
const opentelemetry::common::KeyValueIterable & /* attributes */,
const opentelemetry::context::Context & /* context */) noexcept override
{
num_calls_long++;
}
void RecordDouble(double /* value */,
const opentelemetry::context::Context & /* context */) noexcept override
{
num_calls_double++;
}
void RecordDouble(double /* value */,
const opentelemetry::common::KeyValueIterable & /* attributes */,
const opentelemetry::context::Context & /* context */) noexcept override
{
num_calls_double++;
}
size_t num_calls_long;
size_t num_calls_double;
};
TEST(MultiMetricStorageTest, BasicTests)
{
std::shared_ptr<opentelemetry::sdk::metrics::SyncWritableMetricStorage> storage(
new TestMetricStorage());
SyncMultiMetricStorage storages{};
storages.AddStorage(storage);
storages.RecordLong(10, opentelemetry::context::Context{});
storages.RecordLong(20, opentelemetry::context::Context{});
storages.RecordDouble(10.0, opentelemetry::context::Context{});
storages.RecordLong(30, opentelemetry::context::Context{});
EXPECT_EQ(static_cast<TestMetricStorage *>(storage.get())->num_calls_long, 3);
EXPECT_EQ(static_cast<TestMetricStorage *>(storage.get())->num_calls_double, 1);
}
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