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e7b20d2877
The hash and key equality functions were assigned before allocating new buckets. If that allocation failed, then the existing elements would be left in place - so if accessed after the exception they could be in the wrong buckets or equivalent elements could be incorrectly grouped together.
132 lines
3.9 KiB
C++
132 lines
3.9 KiB
C++
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// Copyright 2006-2009 Daniel James.
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include <iostream>
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#include "./containers.hpp"
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#include "../helpers/random_values.hpp"
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#include "../helpers/invariants.hpp"
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#if defined(BOOST_MSVC)
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#pragma warning(disable:4512) // move_assignment operator could not be generated
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#endif
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test::seed_t initialize_seed(12847);
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template <class T>
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struct move_assign_base : public test::exception_base
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{
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test::random_values<T> x_values, y_values;
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T x,y;
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typedef BOOST_DEDUCED_TYPENAME T::hasher hasher;
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typedef BOOST_DEDUCED_TYPENAME T::key_equal key_equal;
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typedef BOOST_DEDUCED_TYPENAME T::allocator_type allocator_type;
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move_assign_base(int tag1, int tag2, float mlf1 = 1.0, float mlf2 = 1.0) :
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x_values(),
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y_values(),
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x(0, hasher(tag1), key_equal(tag1), allocator_type(tag1)),
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y(0, hasher(tag2), key_equal(tag2), allocator_type(tag2))
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{
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x.max_load_factor(mlf1);
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y.max_load_factor(mlf2);
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}
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typedef T data_type;
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T init() const { return T(x); }
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void run(T& x1) const {
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test::exceptions_enable disable_exceptions(false);
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T y1 = y;
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disable_exceptions.release();
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x1 = boost::move(y1);
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}
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void check BOOST_PREVENT_MACRO_SUBSTITUTION(T const& x1) const
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{
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test::check_equivalent_keys(x1);
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// If the container is empty at the point of the exception, the
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// internal structure is hidden, this exposes it, at the cost of
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// messing up the data.
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if (x_values.size()) {
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T& x2 = const_cast<T&>(x1);
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x2.emplace(*x_values.begin());
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test::check_equivalent_keys(x2);
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}
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}
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};
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template <class T>
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struct move_assign_values : move_assign_base<T>
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{
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move_assign_values(unsigned int count1, unsigned int count2,
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int tag1, int tag2, float mlf1 = 1.0, float mlf2 = 1.0) :
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move_assign_base<T>(tag1, tag2, mlf1, mlf2)
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{
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this->x_values.fill(count1);
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this->y_values.fill(count2);
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this->x.insert(this->x_values.begin(), this->x_values.end());
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this->y.insert(this->y_values.begin(), this->y_values.end());
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}
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};
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template <class T>
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struct move_assign_test1 : move_assign_values<T>
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{
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move_assign_test1() : move_assign_values<T>(0, 0, 0, 0) {}
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};
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template <class T>
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struct move_assign_test2 : move_assign_values<T>
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{
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move_assign_test2() : move_assign_values<T>(60, 0, 0, 0) {}
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};
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template <class T>
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struct move_assign_test3 : move_assign_values<T>
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{
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move_assign_test3() : move_assign_values<T>(0, 60, 0, 0) {}
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};
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template <class T>
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struct move_assign_test4 : move_assign_values<T>
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{
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move_assign_test4() : move_assign_values<T>(10, 10, 1, 2) {}
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};
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template <class T>
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struct move_assign_test4a : move_assign_values<T>
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{
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move_assign_test4a() : move_assign_values<T>(10, 100, 1, 2) {}
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};
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template <class T>
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struct move_assign_test5 : move_assign_values<T>
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{
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move_assign_test5() : move_assign_values<T>(5, 60, 0, 0, 1.0f, 0.1f) {}
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};
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template <class T>
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struct equivalent_test1 : move_assign_base<T>
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{
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equivalent_test1() :
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move_assign_base<T>(0, 0)
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{
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test::random_values<T> x_values2(10);
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this->x_values.insert(x_values2.begin(), x_values2.end());
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this->x_values.insert(x_values2.begin(), x_values2.end());
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test::random_values<T> y_values2(10);
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this->y_values.insert(y_values2.begin(), y_values2.end());
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this->y_values.insert(y_values2.begin(), y_values2.end());
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this->x.insert(this->x_values.begin(), this->x_values.end());
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this->y.insert(this->y_values.begin(), this->y_values.end());
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}
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};
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EXCEPTION_TESTS(
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(move_assign_test1)(move_assign_test2)(move_assign_test3)(move_assign_test4)(move_assign_test4a)(move_assign_test5)
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(equivalent_test1),
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CONTAINER_SEQ)
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RUN_TESTS()
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