1 files changed, 32 insertions, 0 deletions
diff --git a/src/jaegertracing/opentelemetry-cpp/sdk/test/common/attributemap_hash_test.cc b/src/jaegertracing/opentelemetry-cpp/sdk/test/common/attributemap_hash_test.cc
new file mode 100644
index 000000000..7d2748670
--- /dev/null
+++ b/src/jaegertracing/opentelemetry-cpp/sdk/test/common/attributemap_hash_test.cc
@@ -0,0 +1,32 @@
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+#include "opentelemetry/sdk/common/attributemap_hash.h"
+#include <gtest/gtest.h>
+
+using namespace opentelemetry::sdk::common;
+TEST(AttributeMapHashTest, BasicTests)
+{
+  {
+    OrderedAttributeMap map1 = {{"k1", "v1"}, {"k2", "v2"}, {"k3", "v3"}};
+    OrderedAttributeMap map2 = {{"k1", "v1"}, {"k2", "v2"}, {"k3", "v3"}, {"k4", "v4"}};
+    OrderedAttributeMap map3 = {{"k3", "v3"}, {"k1", "v1"}, {"k2", "v2"}};
+
+    EXPECT_TRUE(GetHashForAttributeMap(map1) != 0);
+    EXPECT_TRUE(GetHashForAttributeMap(map1) == GetHashForAttributeMap(map1));
+    EXPECT_TRUE(GetHashForAttributeMap(map1) != GetHashForAttributeMap(map2));
+    EXPECT_TRUE(GetHashForAttributeMap(map1) == GetHashForAttributeMap(map3));
+  }
+
+  {
+    OrderedAttributeMap map1 = {{"k1", 10}, {"k2", true}, {"k3", 12.22}};
+    OrderedAttributeMap map2 = {{"k3", 12.22}, {"k1", 10}, {"k2", true}};
+    EXPECT_TRUE(GetHashForAttributeMap(map1) == GetHashForAttributeMap(map2));
+    EXPECT_TRUE(GetHashForAttributeMap(map1) != 0);
+  }
+
+  {
+    OrderedAttributeMap map1 = {};
+    EXPECT_TRUE(GetHashForAttributeMap(map1) == 0);
+  }
+}
+\ No newline at end of file