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#include <test.hpp>
#include <array>
TEST_CASE("read repeated packed enum field: empty") {
const std::string buffer = load_data("repeated_packed_enum/data-empty");
protozero::pbf_reader item{buffer};
REQUIRE_FALSE(item.next());
}
TEST_CASE("read repeated packed enum field: one") {
const std::string buffer = load_data("repeated_packed_enum/data-one");
protozero::pbf_reader item{buffer};
REQUIRE(item.next());
const auto it_range = item.get_packed_enum();
REQUIRE_FALSE(item.next());
REQUIRE(it_range.begin() != it_range.end());
REQUIRE(*it_range.begin() == 0 /* BLACK */);
REQUIRE(std::next(it_range.begin()) == it_range.end());
}
TEST_CASE("read repeated packed enum field: many") {
const std::string buffer = load_data("repeated_packed_enum/data-many");
protozero::pbf_reader item{buffer};
REQUIRE(item.next());
const auto it_range = item.get_packed_enum();
REQUIRE_FALSE(item.next());
auto it = it_range.begin();
REQUIRE(it != it_range.end());
REQUIRE(*it++ == 0 /* BLACK */);
REQUIRE(*it++ == 3 /* BLUE */);
REQUIRE(*it++ == 2 /* GREEN */);
REQUIRE(it == it_range.end());
}
TEST_CASE("read repeated packed enum field: end of buffer") {
const std::string buffer = load_data("repeated_packed_enum/data-many");
for (std::string::size_type i = 1; i < buffer.size(); ++i) {
protozero::pbf_reader item{buffer.data(), i};
REQUIRE(item.next());
REQUIRE_THROWS_AS(item.get_packed_enum(), protozero::end_of_buffer_exception);
}
}
TEST_CASE("write repeated packed enum field") {
std::string buffer;
protozero::pbf_writer pw{buffer};
SECTION("empty") {
const std::array<int32_t, 1> data = {{ 0 /* BLACK */ }};
pw.add_packed_enum(1, std::begin(data), std::begin(data) /* !!!! */);
REQUIRE(buffer == load_data("repeated_packed_enum/data-empty"));
}
SECTION("one") {
const std::array<int32_t, 1> data = {{ 0 /* BLACK */ }};
pw.add_packed_enum(1, std::begin(data), std::end(data));
REQUIRE(buffer == load_data("repeated_packed_enum/data-one"));
}
SECTION("many") {
const std::array<int32_t, 3> data = {{ 0 /* BLACK */, 3 /* BLUE */, 2 /* GREEN */ }};
pw.add_packed_enum(1, std::begin(data), std::end(data));
REQUIRE(buffer == load_data("repeated_packed_enum/data-many"));
}
}
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