ceph/src/jaegertracing/opentelemetry-cpp/sdk/test/common/circular_buffer_range_test.cc

   1 // Copyright The OpenTelemetry Authors
   2 // SPDX-License-Identifier: Apache-2.0
   3
   4 #include "opentelemetry/sdk/common/circular_buffer_range.h"
   5
   6 #include <iterator>
   7
   8 #include <gtest/gtest.h>
   9 using opentelemetry::sdk::common::CircularBufferRange;
  10
  11 TEST(CircularBufferRangeTest, ForEach)
  12 {
  13   int array1[] = {1, 2, 3, 4};
  14   int array2[] = {5, 6, 7};
  15   CircularBufferRange<int> range{array1, array2};
  16
  17   int x = 0;
  18   range.ForEach([&](int y) {
  19     EXPECT_EQ(++x, y);
  20     return true;
  21   });
  22   EXPECT_EQ(x, 7);
  23 }
  24
  25 TEST(CircularBufferRangeTest, ForEachWithExit)
  26 {
  27   int array1[] = {1, 2, 3, 4};
  28   int array2[] = {5, 6, 7};
  29   CircularBufferRange<int> range{array1, array2};
  30
  31   int x = 0;
  32   range.ForEach([&](int y) {
  33     EXPECT_EQ(++x, y);
  34     return false;
  35   });
  36   EXPECT_EQ(x, 1);
  37
  38   x = 0;
  39   range.ForEach([&](int y) {
  40     EXPECT_EQ(++x, y);
  41     return y != 5;
  42   });
  43   EXPECT_EQ(x, 5);
  44 }
  45
  46 TEST(CircularBufferRangeTest, Conversion)
  47 {
  48   int array1[] = {1, 2, 3, 4};
  49   int array2[] = {5, 6, 7};
  50   CircularBufferRange<int> range{array1, array2};
  51
  52   CircularBufferRange<const int> range2{range};
  53   int x = 0;
  54   range2.ForEach([&](int y) {
  55     EXPECT_EQ(++x, y);
  56     return true;
  57   });
  58   EXPECT_EQ(x, 7);
  59 }