297 lines
9.0 KiB
C++
297 lines
9.0 KiB
C++
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// NOLINT(llvm-header-guard)
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#define PBF_TYPE_NAME PROTOZERO_TEST_STRING(PBF_TYPE)
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#define GET_TYPE PROTOZERO_TEST_CONCAT(get_packed_, PBF_TYPE)
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#define ADD_TYPE PROTOZERO_TEST_CONCAT(add_packed_, PBF_TYPE)
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using packed_field_type = PROTOZERO_TEST_CONCAT(protozero::packed_field_, PBF_TYPE);
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TEST_CASE("read repeated packed field: " PBF_TYPE_NAME) {
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// Run these tests twice, the second time we basically move the data
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// one byte down in the buffer. It doesn't matter how the data or buffer
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// is aligned before that, in at least one of these cases the ints will
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// not be aligned properly. So we test that even in that case the ints
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// will be extracted properly.
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for (std::string::size_type n = 0; n < 2; ++n) {
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std::string abuffer;
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abuffer.reserve(1000);
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abuffer.append(n, '\0');
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SECTION("empty") {
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abuffer.append(load_data("repeated_packed_" PBF_TYPE_NAME "/data-empty"));
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protozero::pbf_reader item{abuffer.data() + n, abuffer.size() - n};
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REQUIRE_FALSE(item.next());
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}
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SECTION("one") {
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abuffer.append(load_data("repeated_packed_" PBF_TYPE_NAME "/data-one"));
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protozero::pbf_reader item{abuffer.data() + n, abuffer.size() - n};
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REQUIRE(item.next());
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const auto it_range = item.GET_TYPE();
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REQUIRE_FALSE(item.next());
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REQUIRE(it_range.begin() != it_range.end());
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REQUIRE(*it_range.begin() == 17);
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REQUIRE(std::next(it_range.begin()) == it_range.end());
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}
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SECTION("many") {
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abuffer.append(load_data("repeated_packed_" PBF_TYPE_NAME "/data-many"));
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protozero::pbf_reader item{abuffer.data() + n, abuffer.size() - n};
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REQUIRE(item.next());
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const auto it_range = item.GET_TYPE();
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REQUIRE_FALSE(item.next());
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auto it = it_range.begin();
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REQUIRE(it != it_range.end());
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REQUIRE(*it++ == 17);
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REQUIRE(*it++ == 200);
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REQUIRE(*it++ == 0);
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REQUIRE(*it++ == 1);
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REQUIRE(*it++ == std::numeric_limits<cpp_type>::max());
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#if PBF_TYPE_IS_SIGNED
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REQUIRE(*it++ == -200);
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REQUIRE(*it++ == -1);
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REQUIRE(*it++ == std::numeric_limits<cpp_type>::min());
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#endif
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REQUIRE(it == it_range.end());
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}
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SECTION("swap iterator range") {
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abuffer.append(load_data("repeated_packed_" PBF_TYPE_NAME "/data-many"));
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protozero::pbf_reader item{abuffer.data() + n, abuffer.size() - n};
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REQUIRE(item.next());
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auto it_range1 = item.GET_TYPE();
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REQUIRE_FALSE(item.next());
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decltype(it_range1) it_range;
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using std::swap;
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swap(it_range, it_range1);
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auto it = it_range.begin();
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REQUIRE(it != it_range.end());
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REQUIRE(*it++ == 17);
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REQUIRE(*it++ == 200);
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REQUIRE(*it++ == 0);
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REQUIRE(*it++ == 1);
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REQUIRE(*it++ == std::numeric_limits<cpp_type>::max());
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}
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SECTION("end_of_buffer") {
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abuffer.append(load_data("repeated_packed_" PBF_TYPE_NAME "/data-many"));
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for (std::string::size_type i = 1; i < abuffer.size() - n; ++i) {
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protozero::pbf_reader item{abuffer.data() + n, i};
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REQUIRE(item.next());
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REQUIRE_THROWS_AS(item.GET_TYPE(), const protozero::end_of_buffer_exception&);
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}
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}
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}
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}
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TEST_CASE("write repeated packed field: " PBF_TYPE_NAME) {
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std::string buffer;
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protozero::pbf_writer pw{buffer};
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SECTION("empty") {
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cpp_type data[] = { 17 };
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pw.ADD_TYPE(1, std::begin(data), std::begin(data) /* !!!! */);
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REQUIRE(buffer == load_data("repeated_packed_" PBF_TYPE_NAME "/data-empty"));
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}
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SECTION("one") {
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cpp_type data[] = { 17 };
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pw.ADD_TYPE(1, std::begin(data), std::end(data));
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REQUIRE(buffer == load_data("repeated_packed_" PBF_TYPE_NAME "/data-one"));
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}
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SECTION("many") {
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cpp_type data[] = {
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17
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, 200
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, 0
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, 1
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,std::numeric_limits<cpp_type>::max()
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#if PBF_TYPE_IS_SIGNED
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,-200
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, -1
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,std::numeric_limits<cpp_type>::min()
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#endif
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};
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pw.ADD_TYPE(1, std::begin(data), std::end(data));
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REQUIRE(buffer == load_data("repeated_packed_" PBF_TYPE_NAME "/data-many"));
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}
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}
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TEST_CASE("write repeated packed field using packed field: " PBF_TYPE_NAME) {
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std::string buffer;
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protozero::pbf_writer pw{buffer};
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SECTION("empty - should do rollback") {
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{
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packed_field_type field{pw, 1};
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}
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REQUIRE(buffer == load_data("repeated_packed_" PBF_TYPE_NAME "/data-empty"));
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}
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SECTION("one") {
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{
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packed_field_type field{pw, 1};
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field.add_element(cpp_type(17));
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}
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REQUIRE(buffer == load_data("repeated_packed_" PBF_TYPE_NAME "/data-one"));
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}
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SECTION("many") {
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{
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packed_field_type field{pw, 1};
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field.add_element(cpp_type( 17));
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field.add_element(cpp_type( 200));
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field.add_element(cpp_type( 0));
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field.add_element(cpp_type( 1));
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field.add_element(std::numeric_limits<cpp_type>::max());
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#if PBF_TYPE_IS_SIGNED
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field.add_element(cpp_type(-200));
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field.add_element(cpp_type( -1));
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field.add_element(std::numeric_limits<cpp_type>::min());
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#endif
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REQUIRE(field.valid());
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SECTION("with commit") {
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field.commit();
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REQUIRE_FALSE(field.valid());
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}
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}
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REQUIRE(buffer == load_data("repeated_packed_" PBF_TYPE_NAME "/data-many"));
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}
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}
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TEST_CASE("move repeated packed field: " PBF_TYPE_NAME) {
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std::string buffer;
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protozero::pbf_writer pw{buffer};
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SECTION("move rvalue") {
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packed_field_type field;
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REQUIRE_FALSE(field.valid());
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field = packed_field_type{pw, 1};
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REQUIRE(field.valid());
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field.add_element(cpp_type(17));
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}
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SECTION("explicit move") {
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packed_field_type field2{pw, 1};
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packed_field_type field;
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REQUIRE(field2.valid());
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REQUIRE_FALSE(field.valid());
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field = std::move(field2);
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REQUIRE_FALSE(field2.valid()); // NOLINT(hicpp-invalid-access-moved, bugprone-use-after-move)
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REQUIRE(field.valid());
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field.add_element(cpp_type(17));
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}
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SECTION("move constructor") {
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packed_field_type field2{pw, 1};
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REQUIRE(field2.valid());
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packed_field_type field{std::move(field2)};
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REQUIRE(field.valid());
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REQUIRE_FALSE(field2.valid()); // NOLINT(hicpp-invalid-access-moved, bugprone-use-after-move)
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field.add_element(cpp_type(17));
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}
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SECTION("swap") {
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packed_field_type field;
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packed_field_type field2{pw, 1};
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REQUIRE_FALSE(field.valid());
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REQUIRE(field2.valid());
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using std::swap;
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swap(field, field2);
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REQUIRE(field.valid());
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REQUIRE_FALSE(field2.valid());
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field.add_element(cpp_type(17));
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}
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REQUIRE(buffer == load_data("repeated_packed_" PBF_TYPE_NAME "/data-one"));
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}
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TEST_CASE("write from different types of iterators: " PBF_TYPE_NAME) {
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std::string buffer;
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protozero::pbf_writer pw{buffer};
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SECTION("from uint16_t") {
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#if PBF_TYPE_IS_SIGNED
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const int16_t data[] = { 1, 4, 9, 16, 25 };
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#else
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const uint16_t data[] = { 1, 4, 9, 16, 25 };
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#endif
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pw.ADD_TYPE(1, std::begin(data), std::end(data));
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}
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SECTION("from string") {
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std::string data{"1 4 9 16 25"};
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std::stringstream sdata{data};
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#if PBF_TYPE_IS_SIGNED
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using test_type = int32_t;
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#else
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using test_type = uint32_t;
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#endif
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std::istream_iterator<test_type> eod;
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std::istream_iterator<test_type> it(sdata);
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pw.ADD_TYPE(1, it, eod);
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}
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protozero::pbf_reader item{buffer};
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REQUIRE(item.next());
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auto it_range = item.GET_TYPE();
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REQUIRE_FALSE(item.next());
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REQUIRE_FALSE(it_range.empty());
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REQUIRE(std::distance(it_range.begin(), it_range.end()) == 5);
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REQUIRE(it_range.size() == 5);
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REQUIRE(it_range.front() == 1); it_range.drop_front();
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REQUIRE(it_range.front() == 4); it_range.drop_front();
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REQUIRE(std::distance(it_range.begin(), it_range.end()) == 3);
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REQUIRE(it_range.size() == 3);
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REQUIRE(it_range.front() == 9); it_range.drop_front();
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REQUIRE(it_range.front() == 16); it_range.drop_front();
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REQUIRE(it_range.front() == 25); it_range.drop_front();
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REQUIRE(it_range.empty());
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REQUIRE(std::distance(it_range.begin(), it_range.end()) == 0);
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REQUIRE(it_range.size() == 0); // NOLINT(readability-container-size-empty)
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REQUIRE_THROWS_AS(it_range.front(), const assert_error&);
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REQUIRE_THROWS_AS(it_range.drop_front(), const assert_error&);
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}
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