Function TEST

pj_datastore/tests/encoding_test.cpp:55–69

// ==========================================================================

TEST(DictionaryEncoding, RepeatedStrings) {
  auto col = makeStringColumn({"base", "world", "base", "base"});

  auto encoded = dictionaryEncodeStrings(Span<const uint8_t>(col.offsets), Span<const uint8_t>(col.values), 4);

  EXPECT_EQ(encoded.count, 4u);
  EXPECT_EQ(encoded.dictionary.size(), 2u);
  EXPECT_EQ(encoded.dictionary[0], "base");
  EXPECT_EQ(encoded.dictionary[1], "world");

  EXPECT_EQ(dictionaryLookup(encoded, 0), "base");
  EXPECT_EQ(dictionaryLookup(encoded, 1), "world");
  EXPECT_EQ(dictionaryLookup(encoded, 2), "base");
  EXPECT_EQ(dictionaryLookup(encoded, 3), "base");
}

TEST(DictionaryEncoding, AllUniqueStrings) {
  auto col = makeStringColumn({"alpha", "beta", "gamma", "delta"});