1 files changed, 42 insertions, 0 deletions
diff --git a/src/jaegertracing/opentelemetry-cpp/sdk/test/trace/always_off_sampler_test.cc b/src/jaegertracing/opentelemetry-cpp/sdk/test/trace/always_off_sampler_test.cc
new file mode 100644
index 000000000..1c32bd5a8
--- /dev/null
+++ b/src/jaegertracing/opentelemetry-cpp/sdk/test/trace/always_off_sampler_test.cc
@@ -0,0 +1,42 @@
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+#include <gtest/gtest.h>
+#include "opentelemetry/sdk/trace/samplers/always_off.h"
+#include "opentelemetry/trace/span_context_kv_iterable_view.h"
+
+using opentelemetry::sdk::trace::AlwaysOffSampler;
+using opentelemetry::sdk::trace::Decision;
+using opentelemetry::trace::SpanContext;
+namespace trace_api = opentelemetry::trace;
+
+TEST(AlwaysOffSampler, ShouldSample)
+{
+  AlwaysOffSampler sampler;
+
+  trace_api::TraceId trace_id;
+  trace_api::SpanKind span_kind = trace_api::SpanKind::kInternal;
+
+  using M = std::map<std::string, int>;
+  M m1    = {{}};
+
+  using L = std::vector<std::pair<SpanContext, std::map<std::string, std::string>>>;
+  L l1    = {{SpanContext(false, false), {}}, {SpanContext(false, false), {}}};
+
+  opentelemetry::common::KeyValueIterableView<M> view{m1};
+  trace_api::SpanContextKeyValueIterableView<L> links{l1};
+
+  auto sampling_result =
+      sampler.ShouldSample(SpanContext::GetInvalid(), trace_id, "", span_kind, view, links);
+
+  ASSERT_EQ(Decision::DROP, sampling_result.decision);
+  ASSERT_EQ(nullptr, sampling_result.attributes);
+  ASSERT_EQ("", sampling_result.trace_state->ToHeader());
+}
+
+TEST(AlwaysOffSampler, GetDescription)
+{
+  AlwaysOffSampler sampler;
+
+  ASSERT_EQ("AlwaysOffSampler", sampler.GetDescription());
+}