a90c6dd460
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@224658 91177308-0d34-0410-b5e6-96231b3b80d8
94 lines
2.4 KiB
C++
94 lines
2.4 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <unordered_set>
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// template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>,
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// class Alloc = allocator<Value>>
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// class unordered_set
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// iterator erase(const_iterator first, const_iterator last)
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#include <unordered_set>
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#include <cassert>
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#include "min_allocator.h"
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int main()
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{
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{
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typedef std::unordered_set<int> C;
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typedef int P;
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P a[] =
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{
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P(1),
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P(2),
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P(3),
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P(4),
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P(1),
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P(2)
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};
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C c(a, a + sizeof(a)/sizeof(a[0]));
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C::const_iterator i = c.find(2);
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C::const_iterator j = next(i);
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C::iterator k = c.erase(i, i);
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assert(k == i);
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assert(c.size() == 4);
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assert(c.count(1) == 1);
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assert(c.count(2) == 1);
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assert(c.count(3) == 1);
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assert(c.count(4) == 1);
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k = c.erase(i, j);
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assert(c.size() == 3);
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assert(c.count(1) == 1);
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assert(c.count(3) == 1);
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assert(c.count(4) == 1);
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k = c.erase(c.cbegin(), c.cend());
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assert(c.size() == 0);
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assert(k == c.end());
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}
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#if __cplusplus >= 201103L
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{
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typedef std::unordered_set<int, std::hash<int>, std::equal_to<int>, min_allocator<int>> C;
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typedef int P;
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P a[] =
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{
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P(1),
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P(2),
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P(3),
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P(4),
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P(1),
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P(2)
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};
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C c(a, a + sizeof(a)/sizeof(a[0]));
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C::const_iterator i = c.find(2);
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C::const_iterator j = next(i);
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C::iterator k = c.erase(i, i);
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assert(k == i);
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assert(c.size() == 4);
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assert(c.count(1) == 1);
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assert(c.count(2) == 1);
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assert(c.count(3) == 1);
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assert(c.count(4) == 1);
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k = c.erase(i, j);
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assert(c.size() == 3);
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assert(c.count(1) == 1);
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assert(c.count(3) == 1);
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assert(c.count(4) == 1);
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k = c.erase(c.cbegin(), c.cend());
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assert(c.size() == 0);
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assert(k == c.end());
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}
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#endif
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}
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