Function TestOrdinalEncoderInts

tests/cpp/encoder/test_ordinal.h:83–119

template <typename Encoder, typename DfTest>
void TestOrdinalEncoderInts() {
  Encoder encoder;
  auto sol = std::vector<std::int32_t>{0, 3, 1};

  {
    auto df = DfTest::Make(DfTest::MakeInts(2, 1, 3, 0));
    auto orig_dict = df.View();

    auto new_df = DfTest::Make(DfTest::MakeInts(2, 0, 1));
    auto new_dict = new_df.View();

    encoder.Recode(orig_dict, new_dict, new_df.MappingView());
    ASSERT_EQ(new_df.Mapping(), sol);
  }
  {
    // Test error message.
    auto df = DfTest::Make(DfTest::MakeInts(2, 1, 3, 0));
    auto orig_dict = df.View();

    auto new_df = DfTest::Make(DfTest::MakeInts(2, 0, 5));
    auto new_dict = new_df.View();
    ASSERT_THAT([&] { encoder.Recode(orig_dict, new_dict, new_df.MappingView()); },
                ::testing::ThrowsMessage<std::logic_error>(::testing::HasSubstr("`5`")));
  }
  {
    auto df = DfTest::Make(DfTest::MakeInts(0), DfTest::MakeInts(0, 1));
    auto orig_dict = df.View();

    auto new_df = DfTest::Make(DfTest::MakeInts(0), DfTest::MakeInts(0, 1));
    auto new_dict = new_df.View();

    encoder.Recode(orig_dict, new_dict, new_df.MappingView());
    auto mapping = new_df.Mapping();
    std::vector<std::int32_t> sol{0, 0, 1};
    ASSERT_EQ(mapping, sol);
  }
}

template <typename Encoder, typename DfTest>
void TestOrdinalEncoderMixed() {