37 lines
1.0 KiB
C++
37 lines
1.0 KiB
C++
// Copyright The OpenTelemetry Authors
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// SPDX-License-Identifier: Apache-2.0
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#include <gtest/gtest.h>
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#include "opentelemetry/metrics/meter_provider.h"
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#include "opentelemetry/metrics/noop.h"
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#include "opentelemetry/metrics/provider.h"
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#include "opentelemetry/nostd/shared_ptr.h"
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using opentelemetry::metrics::MeterProvider;
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using opentelemetry::metrics::NoopMeterProvider;
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using opentelemetry::metrics::Provider;
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TEST(Provider, GetMeterProviderDefault)
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{
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auto tf = Provider::GetMeterProvider();
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EXPECT_NE(nullptr, tf);
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}
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TEST(Provider, SetMeterProvider)
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{
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auto tf = opentelemetry::nostd::shared_ptr<MeterProvider>(new NoopMeterProvider());
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Provider::SetMeterProvider(tf);
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ASSERT_EQ(tf, Provider::GetMeterProvider());
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}
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TEST(Provider, MultipleMeterProviders)
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{
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auto tf = opentelemetry::nostd::shared_ptr<MeterProvider>(new NoopMeterProvider());
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Provider::SetMeterProvider(tf);
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auto tf2 = opentelemetry::nostd::shared_ptr<MeterProvider>(new NoopMeterProvider());
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Provider::SetMeterProvider(tf2);
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ASSERT_NE(Provider::GetMeterProvider(), tf);
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}
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