ceph/src/jaegertracing/opentelemetry-cpp/api/test/trace/span_id_test.cc

   1 // Copyright The OpenTelemetry Authors
   2 // SPDX-License-Identifier: Apache-2.0
   3
   4 #include "opentelemetry/trace/span_id.h"
   5
   6 #include <cstring>
   7 #include <string>
   8
   9 #include <gtest/gtest.h>
  10
  11 namespace
  12 {
  13
  14 using opentelemetry::trace::SpanId;
  15
  16 std::string Hex(const opentelemetry::trace::SpanId &span)
  17 {
  18   char buf[16];
  19   span.ToLowerBase16(buf);
  20   return std::string(buf, sizeof(buf));
  21 }
  22
  23 TEST(SpanIdTest, DefaultConstruction)
  24 {
  25   SpanId id;
  26   EXPECT_FALSE(id.IsValid());
  27   EXPECT_EQ("0000000000000000", Hex(id));
  28 }
  29
  30 TEST(SpanIdTest, ValidId)
  31 {
  32   constexpr uint8_t buf[] = {1, 2, 3, 4, 5, 6, 7, 8};
  33   SpanId id(buf);
  34   EXPECT_TRUE(id.IsValid());
  35   EXPECT_EQ("0102030405060708", Hex(id));
  36   EXPECT_NE(SpanId(), id);
  37   EXPECT_EQ(SpanId(buf), id);
  38 }
  39
  40 TEST(SpanIdTest, LowercaseBase16)
  41 {
  42   constexpr uint8_t buf[] = {1, 2, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff};
  43   SpanId id(buf);
  44   EXPECT_TRUE(id.IsValid());
  45   EXPECT_EQ("0102aabbccddeeff", Hex(id));
  46   EXPECT_NE(SpanId(), id);
  47   EXPECT_EQ(SpanId(buf), id);
  48 }
  49
  50 TEST(SpanIdTest, CopyBytesTo)
  51 {
  52   constexpr uint8_t src[] = {1, 2, 3, 4, 5, 6, 7, 8};
  53   SpanId id(src);
  54   uint8_t buf[8];
  55   id.CopyBytesTo(buf);
  56   EXPECT_TRUE(memcmp(src, buf, 8) == 0);
  57 }
  58 }  // namespace