Function common_tests

extras/tests/Misc/StringWriter.cpp:28–48

template <typename StringWriter, typename String>
void common_tests(StringWriter& writer, const String& output) {
  SECTION("InitialState") {
    REQUIRE(std::string("") == output);
  }

  SECTION("EmptyString") {
    REQUIRE(0 == print(writer, ""));
    REQUIRE(std::string("") == output);
  }

  SECTION("OneString") {
    REQUIRE(4 == print(writer, "ABCD"));
    REQUIRE("ABCD"_s == output);
  }

  SECTION("TwoStrings") {
    REQUIRE(4 == print(writer, "ABCD"));
    REQUIRE(4 == print(writer, "EFGH"));
    REQUIRE("ABCDEFGH"_s == output);
  }
}

TEST_CASE("StaticStringWriter") {
  char output[20] = {0};