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Add missing erase(first, last) function to ordered_map (#3109)

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Niels Lohmann
2021-11-09 22:24:58 +01:00
committed by GitHub
parent 834918018e
commit e9f88c2fad
4 changed files with 148 additions and 14 deletions
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39
test/src/unit-ordered_map.cpp
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@@ -210,6 +210,45 @@ TEST_CASE("ordered_map")
++it2;
CHECK(it2 == om.end());
}
SECTION("with iterator pair")
{
SECTION("range in the middle")
{
// need more elements
om["vier"] = "four";
om["fünf"] = "five";
// delete "zwei" and "drei"
auto it = om.erase(om.begin() + 1, om.begin() + 3);
CHECK(it->first == "vier");
CHECK(om.size() == 3);
}
SECTION("range at the beginning")
{
// need more elements
om["vier"] = "four";
om["fünf"] = "five";
// delete "eins" and "zwei"
auto it = om.erase(om.begin(), om.begin() + 2);
CHECK(it->first == "drei");
CHECK(om.size() == 3);
}
SECTION("range at the end")
{
// need more elements
om["vier"] = "four";
om["fünf"] = "five";
// delete "vier" and "fünf"
auto it = om.erase(om.begin() + 3, om.end());
CHECK(it == om.end());
CHECK(om.size() == 3);
}
}
}
SECTION("count")