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//===----------------------------------------------------------------------===//
//
// 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
// mapped_type& at(const key_type& k);
// const mapped_type& at(const key_type& k) const;
#include <unordered_map>
#include <string>
#include <cassert>
#include "MoveOnly.h"
#include "min_allocator.h"
#include "test_macros.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]));
assert(c.size() == 4);
c.at(1) = "ONE";
assert(c.at(1) == "ONE");
#ifndef TEST_HAS_NO_EXCEPTIONS
try
{
c.at(11) = "eleven";
assert(false);
}
catch (std::out_of_range&)
{
}
assert(c.size() == 4);
#endif
}
{
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"),
};
const C c(a, a + sizeof(a)/sizeof(a[0]));
assert(c.size() == 4);
assert(c.at(1) == "one");
#ifndef TEST_HAS_NO_EXCEPTIONS
try
{
c.at(11);
assert(false);
}
catch (std::out_of_range&)
{
}
assert(c.size() == 4);
#endif
}
#if TEST_STD_VER >= 11
{
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]));
assert(c.size() == 4);
c.at(1) = "ONE";
assert(c.at(1) == "ONE");
#ifndef TEST_HAS_NO_EXCEPTIONS
try
{
c.at(11) = "eleven";
assert(false);
}
catch (std::out_of_range&)
{
}
assert(c.size() == 4);
#endif
}
{
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"),
};
const C c(a, a + sizeof(a)/sizeof(a[0]));
assert(c.size() == 4);
assert(c.at(1) == "one");
#ifndef TEST_HAS_NO_EXCEPTIONS
try
{
c.at(11);
assert(false);
}
catch (std::out_of_range&)
{
}
assert(c.size() == 4);
#endif
}
#endif
}
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