diff options
Diffstat (limited to 'icing/testing/hit-test-utils.cc')
| -rw-r--r-- | icing/testing/hit-test-utils.cc | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/icing/testing/hit-test-utils.cc b/icing/testing/hit-test-utils.cc index 2fd3ac8..c235e23 100644 --- a/icing/testing/hit-test-utils.cc +++ b/icing/testing/hit-test-utils.cc @@ -17,6 +17,7 @@ #include <cstdint> #include <vector> +#include "icing/index/embed/embedding-hit.h" #include "icing/index/hit/hit.h" #include "icing/index/main/posting-list-hit-serializer.h" #include "icing/schema/section.h" @@ -87,5 +88,28 @@ std::vector<Hit> CreateHits(int num_hits, int desired_byte_length) { return CreateHits(/*start_docid=*/0, num_hits, desired_byte_length); } +EmbeddingHit CreateEmbeddingHit(const EmbeddingHit& last_hit, + uint32_t desired_byte_length) { + // Create a delta that has (desired_byte_length - 1) * 7 + 1 bits, so that it + // can be encoded in desired_byte_length bytes. + uint64_t delta = UINT64_C(1) << ((desired_byte_length - 1) * 7); + return EmbeddingHit(last_hit.value() - delta); +} + +std::vector<EmbeddingHit> CreateEmbeddingHits(int num_hits, + int desired_byte_length) { + std::vector<EmbeddingHit> hits; + if (num_hits == 0) { + return hits; + } + hits.reserve(num_hits); + hits.push_back(EmbeddingHit(BasicHit(/*section_id=*/0, /*document_id=*/0), + /*location=*/0)); + for (int i = 1; i < num_hits; ++i) { + hits.push_back(CreateEmbeddingHit(hits.back(), desired_byte_length)); + } + return hits; +} + } // namespace lib } // namespace icing |