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// 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));
}
{
// hash algo returns same value irrespective of order of attributes.
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);
}
}
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