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