Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 19 insertions, 0 deletions

diff --git a/src/jaegertracing/opentelemetry-cpp/sdk/test/common/empty_attributes_test.cc b/src/jaegertracing/opentelemetry-cpp/sdk/test/common/empty_attributes_test.cc
new file mode 100644
index 000000000..f37ea0a5c
--- /dev/null
+++ b/src/jaegertracing/opentelemetry-cpp/sdk/test/common/empty_attributes_test.cc
@@ -0,0 +1,19 @@
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+#include "opentelemetry/sdk/common/empty_attributes.h"
+
+#include <gtest/gtest.h>
+
+TEST(EmptyAttributesTest, TestSize)
+{
+  EXPECT_EQ(opentelemetry::sdk::GetEmptyAttributes().size(), 0);
+}
+
+// Test that GetEmptyAttributes() always returns the same KeyValueIterableView
+TEST(EmptyAttributesTest, TestMemory)
+{
+  auto attributes1 = opentelemetry::sdk::GetEmptyAttributes();
+  auto attributes2 = opentelemetry::sdk::GetEmptyAttributes();
+  EXPECT_EQ(memcmp(&attributes1, &attributes2, sizeof(attributes1)), 0);
+}