f836d531b4
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@145707 91177308-0d34-0410-b5e6-96231b3b80d8
63 lines
2.0 KiB
C++
63 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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// template <class InputIterator>
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// unordered_set(InputIterator first, InputIterator last);
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#include <unordered_set>
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#include <cassert>
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#include <cfloat>
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#include "../../../iterators.h"
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#include "../../../test_compare.h"
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#include "../../../test_hash.h"
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#include "../../../test_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,
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test_hash<std::hash<int> >,
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test_compare<std::equal_to<int> >,
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test_allocator<int>
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> 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(input_iterator<P*>(a), input_iterator<P*>(a + sizeof(a)/sizeof(a[0])));
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assert(c.bucket_count() >= 5);
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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.hash_function() == test_hash<std::hash<int> >());
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assert(c.key_eq() == test_compare<std::equal_to<int> >());
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assert(c.get_allocator() == test_allocator<int>());
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assert(!c.empty());
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assert(std::distance(c.begin(), c.end()) == c.size());
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assert(std::distance(c.cbegin(), c.cend()) == c.size());
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assert(fabs(c.load_factor() - (float)c.size()/c.bucket_count()) < FLT_EPSILON);
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assert(c.max_load_factor() == 1);
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}
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}
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