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added function to remove duplicates, preserve order of dbit

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This commit is contained in:
Erik Fröjdh
2025-12-03 12:14:35 +01:00
parent 134137ead0
commit 1c31a85a43
3 changed files with 62 additions and 7 deletions
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31
slsSupportLib/tests/test-container_utils.cpp
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@@ -153,13 +153,35 @@ TEST_CASE("check for duplicates in vector of pairs") {
REQUIRE(hasDuplicates(vec) == true);
}
TEST_CASE("remove duplicates from vector") {
TEST_CASE("sorts the vector and remove duplicates") {
std::vector<int> v{5, 6, 5, 3};
auto r = removeDuplicates(v);
CHECK(r == true); // did indeed remove elements
CHECK(v == std::vector<int>{3, 5, 6});
}
TEST_CASE("remove duplicates but keep order") {
std::vector<int> v{5, 6, 5, 3};
auto r = stableRemoveDuplicates(v);
CHECK(r == true); // did indeed remove elements
CHECK(v == std::vector<int>{5, 6, 3});
}
TEST_CASE("remove duplicates but keep order, all elements the same ") {
std::vector<char> v{'c', 'c', 'c', 'c', 'c', 'c'};
auto r = stableRemoveDuplicates(v);
CHECK(r == true); // did indeed remove elements
CHECK(v == std::vector<char>{'c'});
}
TEST_CASE("remove duplicates but keep order, pattern ") {
std::vector<int> v{8,1,2,8,8,3,2};
auto r = stableRemoveDuplicates(v);
CHECK(r == true); // did indeed remove elements
CHECK(v == std::vector<int>{8,1,2,3});
}
TEST_CASE("remove duplicated empty vector") {
std::vector<int> v;
auto r = removeDuplicates(v);
@@ -167,4 +189,11 @@ TEST_CASE("remove duplicated empty vector") {
CHECK(v == std::vector<int>{});
}
TEST_CASE("remove duplicated empty vector using stable version") {
std::vector<int> v;
auto r = stableRemoveDuplicates(v);
CHECK(r == false); // no elements to remove
CHECK(v == std::vector<int>{});
}
} // namespace sls