Function TestGetMapItemWithDef

src/common/util/string_util_test.cc:1355–1396

template <class StringType>
void TestGetMapItemWithDef() {
  struct TestCase {
    std::string name;

    std::map<StringType, StringType> m;
    StringType key;
    StringType defval;

    StringType want_result;
  };
  std::vector<TestCase> test_cases;

  test_cases.emplace_back(
      TestCase{
          .name = "case 1",
          .m = {{"k1", "v1"}, {"k2", "v2"}},
          .key = "k1",
          .defval = "",
          .want_result = "v1"});
  test_cases.emplace_back(
      TestCase{
          .name = "case 2",
          .m = {{"k1", "v1"}, {"k2", "v2"}},
          .key = "k3",
          .defval = "",
          .want_result = ""});
  test_cases.emplace_back(
      TestCase{
          .name = "case 3",
          .m = {{"k1", "v1"}, {"k2", "v2"}},
          .key = "",
          .defval = "abc",
          .want_result = "abc"});

  for (size_t ii = 0; ii < test_cases.size(); ++ii) {
    TestCase& cur_test_case = test_cases[ii];
    auto ret = GetMapItemWithDef(cur_test_case.m, cur_test_case.key,
                                 cur_test_case.defval);
    EXPECT_EQ(ret, cur_test_case.want_result)
        << "Test " << cur_test_case.name << " failed, index " << ii;
  }
}

TEST(STRING_UTIL_TEST, GetMapItemWithDef_test) {
  TestGetMapItemWithDef<std::string>();