amorfo77/json
1
0
Fork 0
mirror of https://github.com/nlohmann/json.git synced 2026-04-24 16:59:26 +00:00
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source
This commit is contained in:
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
Download Patch File Download Diff File Expand all files Collapse all files

39
test/src/unit-ordered_map.cpp
View File

@@ -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")

17
test/src/unit-regression2.cpp
View File

@@ -746,6 +746,23 @@ TEST_CASE("regression tests 2")
std::vector<FooBar> foo;
j.get_to(foo);
}
SECTION("issue #3108 - ordered_json doesn't support range based erase")
{
ordered_json j = {1, 2, 2, 4};
auto last = std::unique(j.begin(), j.end());
j.erase(last, j.end());
CHECK(j.dump() == "[1,2,4]");
j.erase(std::remove_if(j.begin(), j.end(), [](const ordered_json & val)
{
return val == 2;
}), j.end());
CHECK(j.dump() == "[1,4]");
}
}
DOCTEST_CLANG_SUPPRESS_WARNING_POP