unordered/test/exception/erase_exception_tests.cpp

// Copyright 2006-2009 Daniel James.
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

#include "./containers.hpp"

#include "../helpers/helpers.hpp"
#include "../helpers/invariants.hpp"
#include "../helpers/random_values.hpp"

test::seed_t initialize_seed(835193);

template <class T> struct erase_test_base : public test::exception_base
{
  test::random_values<T> values;
  erase_test_base(unsigned int count = 5) : values(count, test::limited_range)
  {
  }

  typedef T data_type;

  data_type init() const { return T(values.begin(), values.end()); }

  void check BOOST_PREVENT_MACRO_SUBSTITUTION(T const& x) const
  {
    std::string scope(test::scope);

    BOOST_TEST(scope.find("hash::") != std::string::npos ||
               scope.find("equal_to::") != std::string::npos ||
               scope == "operator==(object, object)");

    test::check_equivalent_keys(x);
  }
};

template <class T> struct erase_by_key_test1 : public erase_test_base<T>
{
  void run(T& x) const
  {
    typedef BOOST_DEDUCED_TYPENAME test::random_values<T>::const_iterator
      iterator;

    for (iterator it = this->values.begin(), end = this->values.end();
         it != end; ++it) {
      x.erase(test::get_key<T>(*it));
    }

    DISABLE_EXCEPTIONS;
    BOOST_TEST(x.empty());
    test::check_equivalent_keys(x);
  }
};

EXCEPTION_TESTS((erase_by_key_test1), CONTAINER_SEQ)
RUN_TESTS()