59 lines
1.3 KiB
C++
59 lines
1.3 KiB
C++
// Copyright The OpenTelemetry Authors
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// SPDX-License-Identifier: Apache-2.0
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#include "opentelemetry/trace/trace_id.h"
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#include <cstring>
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#include <string>
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#include <gtest/gtest.h>
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namespace
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{
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using opentelemetry::trace::TraceId;
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std::string Hex(const opentelemetry::trace::TraceId &trace)
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{
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char buf[32];
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trace.ToLowerBase16(buf);
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return std::string(buf, sizeof(buf));
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}
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TEST(TraceIdTest, DefaultConstruction)
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{
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TraceId id;
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EXPECT_FALSE(id.IsValid());
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EXPECT_EQ("00000000000000000000000000000000", Hex(id));
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}
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TEST(TraceIdTest, ValidId)
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{
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constexpr uint8_t buf[] = {1, 2, 3, 4, 5, 6, 7, 8, 8, 7, 6, 5, 4, 3, 2, 1};
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TraceId id(buf);
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EXPECT_TRUE(id.IsValid());
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EXPECT_EQ("01020304050607080807060504030201", Hex(id));
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EXPECT_NE(TraceId(), id);
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EXPECT_EQ(TraceId(buf), id);
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}
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TEST(TraceIdTest, LowercaseBase16)
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{
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constexpr uint8_t buf[] = {1, 2, 3, 4, 5, 6, 7, 8, 8, 7, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff};
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TraceId id(buf);
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EXPECT_TRUE(id.IsValid());
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EXPECT_EQ("01020304050607080807aabbccddeeff", Hex(id));
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EXPECT_NE(TraceId(), id);
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EXPECT_EQ(TraceId(buf), id);
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}
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TEST(TraceIdTest, CopyBytesTo)
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{
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constexpr uint8_t src[] = {1, 2, 3, 4, 5, 6, 7, 8, 8, 7, 6, 5, 4, 3, 2, 1};
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TraceId id(src);
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uint8_t buf[TraceId::kSize];
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id.CopyBytesTo(buf);
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EXPECT_TRUE(memcmp(src, buf, sizeof(buf)) == 0);
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}
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} // namespace
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