Add unit test for backwards iteration.

This commit is contained in:
King_DuckZ 2017-07-26 22:48:39 +01:00
parent 221f236f40
commit c1b6bd0500

View file

@ -26,9 +26,6 @@ TEST(vwr, vector_iterator) {
ivec3 from(100, 200, 300);
ivec3 to(102, 203, 304);
auto seq = increasing_sequence_range<ivec3>(from, to);
auto it = seq.begin();
auto it_end = seq.end();
std::array<ivec3, 24> expected{
ivec3(100, 200, 300),
@ -56,6 +53,12 @@ TEST(vwr, vector_iterator) {
ivec3(100, 202, 303),
ivec3(101, 202, 303)
};
{
auto seq = increasing_sequence_range<ivec3>(from, to);
auto it = seq.begin();
auto it_end = seq.end();
std::vector<ivec3> results;
for (; it != it_end; ++it) {
results.push_back(*it);
@ -66,3 +69,17 @@ TEST(vwr, vector_iterator) {
EXPECT_EQ(expected[z], results[z]);
}
}
{
using dec_sequence_range = sequence_range<ivec3, op::dec<int64_t>, std::greater<int64_t>, 0, 1, 2>;
std::vector<ivec3> results;
for (auto& itm : dec_sequence_range(to, from)) {
results.push_back(itm);
}
EXPECT_EQ(expected.size(), results.size());
for (std::size_t z = 0; z < expected.size(); ++z) {
EXPECT_EQ(expected[z] + 1, results[results.size() - 1 - z]);
}
}
}