1 files changed, 39 insertions, 0 deletions
diff --git a/src/jaegertracing/opentelemetry-cpp/sdk/test/metrics/metric_reader_test.cc b/src/jaegertracing/opentelemetry-cpp/sdk/test/metrics/metric_reader_test.cc
new file mode 100644
index 000000000..c9c30853d
--- /dev/null
+++ b/src/jaegertracing/opentelemetry-cpp/sdk/test/metrics/metric_reader_test.cc
@@ -0,0 +1,39 @@
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+#ifndef ENABLE_METRICS_PREVIEW
+#  include "opentelemetry/sdk/metrics/metric_reader.h"
+#  include <gtest/gtest.h>
+#  include "opentelemetry/sdk/metrics/meter_context.h"
+#  include "opentelemetry/sdk/metrics/metric_exporter.h"
+
+using namespace opentelemetry;
+using namespace opentelemetry::sdk::instrumentationlibrary;
+using namespace opentelemetry::sdk::metrics;
+
+class MockMetricReader : public MetricReader
+{
+public:
+  MockMetricReader(AggregationTemporality aggr_temporality) : MetricReader(aggr_temporality) {}
+
+  virtual bool OnForceFlush(std::chrono::microseconds timeout) noexcept override { return true; }
+  virtual bool OnShutDown(std::chrono::microseconds timeout) noexcept override { return true; }
+  virtual void OnInitialized() noexcept override {}
+};
+
+TEST(MetricReaderTest, BasicTests)
+{
+  AggregationTemporality aggr_temporality = AggregationTemporality::kDelta;
+  std::unique_ptr<MetricReader> metric_reader1(new MockMetricReader(aggr_temporality));
+  EXPECT_EQ(metric_reader1->GetAggregationTemporality(), aggr_temporality);
+
+  std::shared_ptr<MeterContext> meter_context1(new MeterContext());
+  EXPECT_NO_THROW(meter_context1->AddMetricReader(std::move(metric_reader1)));
+
+  std::unique_ptr<MetricReader> metric_reader2(new MockMetricReader(aggr_temporality));
+  std::shared_ptr<MeterContext> meter_context2(new MeterContext());
+  MetricProducer *metric_producer =
+      new MetricCollector(std::move(meter_context2), std::move(metric_reader2));
+  EXPECT_NO_THROW(metric_producer->Collect([](ResourceMetrics &metric_data) { return true; }));
+}
+#endif