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Diffstat (limited to 'test/std/containers/unord/unord.map/unord.map.modifiers/erase_range.pass.cpp')
-rw-r--r-- | test/std/containers/unord/unord.map/unord.map.modifiers/erase_range.pass.cpp | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/test/std/containers/unord/unord.map/unord.map.modifiers/erase_range.pass.cpp b/test/std/containers/unord/unord.map/unord.map.modifiers/erase_range.pass.cpp new file mode 100644 index 000000000000..f0664c3c3ffc --- /dev/null +++ b/test/std/containers/unord/unord.map/unord.map.modifiers/erase_range.pass.cpp @@ -0,0 +1,99 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <unordered_map> + +// template <class Key, class T, class Hash = hash<Key>, class Pred = equal_to<Key>, +// class Alloc = allocator<pair<const Key, T>>> +// class unordered_map + +// iterator erase(const_iterator first, const_iterator last) + +#include <unordered_map> +#include <string> +#include <cassert> + +#include "min_allocator.h" + +int main() +{ + { + typedef std::unordered_map<int, std::string> C; + typedef std::pair<int, std::string> P; + P a[] = + { + P(1, "one"), + P(2, "two"), + P(3, "three"), + P(4, "four"), + P(1, "four"), + P(2, "four"), + }; + C c(a, a + sizeof(a)/sizeof(a[0])); + C::const_iterator i = c.find(2); + C::const_iterator j = next(i, 1); + C::iterator k = c.erase(i, i); + assert(k == i); + assert(c.size() == 4); + assert(c.at(1) == "one"); + assert(c.at(2) == "two"); + assert(c.at(3) == "three"); + assert(c.at(4) == "four"); + + k = c.erase(i, j); + assert(c.size() == 3); + assert(k == j); + assert(c.at(1) == "one"); + assert(c.at(3) == "three"); + assert(c.at(4) == "four"); + + k = c.erase(c.cbegin(), c.cend()); + assert(k == c.cend()); + assert(c.size() == 0); + assert(k == c.end()); + } +#if __cplusplus >= 201103L + { + typedef std::unordered_map<int, std::string, std::hash<int>, std::equal_to<int>, + min_allocator<std::pair<const int, std::string>>> C; + typedef std::pair<int, std::string> P; + P a[] = + { + P(1, "one"), + P(2, "two"), + P(3, "three"), + P(4, "four"), + P(1, "four"), + P(2, "four"), + }; + C c(a, a + sizeof(a)/sizeof(a[0])); + C::const_iterator i = c.find(2); + C::const_iterator j = next(i, 1); + C::iterator k = c.erase(i, i); + assert(k == i); + assert(c.size() == 4); + assert(c.at(1) == "one"); + assert(c.at(2) == "two"); + assert(c.at(3) == "three"); + assert(c.at(4) == "four"); + + k = c.erase(i, j); + assert(c.size() == 3); + assert(k == j); + assert(c.at(1) == "one"); + assert(c.at(3) == "three"); + assert(c.at(4) == "four"); + + k = c.erase(c.cbegin(), c.cend()); + assert(k == c.cend()); + assert(c.size() == 0); + assert(k == c.end()); + } +#endif +} |