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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
#ifndef ENABLE_METRICS_PREVIEW
# include "opentelemetry/sdk/metrics/state/multi_metric_storage.h"
# include "opentelemetry/common/key_value_iterable_view.h"
# include "opentelemetry/sdk/metrics/exemplar/no_exemplar_reservoir.h"
# include "opentelemetry/sdk/metrics/instruments.h"
# include <gtest/gtest.h>
using namespace opentelemetry;
using namespace opentelemetry::sdk::instrumentationlibrary;
using namespace opentelemetry::sdk::metrics;
class TestMetricStorage : public WritableMetricStorage
{
public:
void RecordLong(long value, const opentelemetry::context::Context &context) noexcept override
{
num_calls_long++;
}
void RecordLong(long 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::WritableMetricStorage> storage(
new TestMetricStorage());
MultiMetricStorage storages{};
storages.AddStorage(storage);
EXPECT_NO_THROW(storages.RecordLong(10l, opentelemetry::context::Context{}));
EXPECT_NO_THROW(storages.RecordLong(20l, opentelemetry::context::Context{}));
EXPECT_NO_THROW(storages.RecordDouble(10.0, opentelemetry::context::Context{}));
EXPECT_NO_THROW(storages.RecordLong(30l, 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);
}
#endif
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