b64f8b07c1
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
81 lines
2.0 KiB
C++
81 lines
2.0 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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// size_type erase(const key_type& k);
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#include <unordered_set>
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#include <string>
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#include <cassert>
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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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assert(c.erase(5) == 0);
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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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assert(c.erase(2) == 1);
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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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assert(c.erase(2) == 0);
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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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assert(c.erase(4) == 1);
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assert(c.size() == 2);
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assert(c.count(1) == 1);
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assert(c.count(3) == 1);
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assert(c.erase(4) == 0);
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assert(c.size() == 2);
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assert(c.count(1) == 1);
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assert(c.count(3) == 1);
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assert(c.erase(1) == 1);
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assert(c.size() == 1);
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assert(c.count(3) == 1);
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assert(c.erase(1) == 0);
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assert(c.size() == 1);
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assert(c.count(3) == 1);
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assert(c.erase(3) == 1);
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assert(c.size() == 0);
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assert(c.erase(3) == 0);
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assert(c.size() == 0);
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}
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}
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