90 lines
2.1 KiB
C++
90 lines
2.1 KiB
C++
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// Copyright 2008-2009 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 move at http://www.boost.org/LICENSE_1_0.txt)
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#if !defined(BOOST_UNORDERED_TEST_HELPERS_COUNT_HEAD)
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#define BOOST_UNORDERED_TEST_HELPERS_COUNT_HEAD
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#include <boost/core/lightweight_test.hpp>
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namespace test {
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struct object_count
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{
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int instances;
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int constructions;
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object_count() : instances(0), constructions(0) {}
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void reset() { *this = object_count(); }
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void construct()
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{
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++instances;
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++constructions;
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}
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void destruct()
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{
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if (instances == 0) {
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BOOST_ERROR("Unbalanced constructions.");
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} else {
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--instances;
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}
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}
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bool operator==(object_count const& x) const
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{
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return instances == x.instances && constructions == x.constructions;
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}
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bool operator!=(object_count const& x) const { return !(*this == x); }
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friend std::ostream& operator<<(std::ostream& out, object_count const& c)
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{
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out << "[instances: " << c.instances
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<< ", constructions: " << c.constructions << "]";
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return out;
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}
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};
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// This won't be a problem as I'm only using a single compile unit
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// in each test (this is actually require by the minimal test
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// framework).
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//
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// boostinspect:nounnamed
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namespace {
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object_count global_object_count;
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}
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struct counted_object
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{
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counted_object() { global_object_count.construct(); }
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counted_object(counted_object const&) { global_object_count.construct(); }
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~counted_object() { global_object_count.destruct(); }
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};
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struct check_instances
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{
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int instances_;
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int constructions_;
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check_instances()
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: instances_(global_object_count.instances),
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constructions_(global_object_count.constructions)
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{
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}
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~check_instances()
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{
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BOOST_TEST(global_object_count.instances == instances_);
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}
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int instances() const { return global_object_count.instances - instances_; }
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int constructions() const
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{
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return global_object_count.constructions - constructions_;
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}
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};
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}
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#endif
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