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Change hash_custom_test to have a cleaner implementation (along the lines of

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Peter Dimov's suggestion) and to only include the hash headers after declaring
the class.


[SVN r28394]
This commit is contained in:
Daniel James
2005-04-21 23:43:51 +00:00
parent b9f6765d15
commit 65ece8bac0
1 changed files with 41 additions and 23 deletions
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64
hash/test/hash_custom_test.cpp
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@@ -4,6 +4,41 @@
// 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 <boost/config.hpp>
#include <cstddef>
namespace test
{
struct custom
{
int value_;
std::size_t hash() const
{
return value_ * 10;
}
#if !defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP)
friend std::size_t hash_value(custom const& x )
{
return x.hash();
}
#endif
custom(int x) : value_(x) {}
};
}
#if defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP)
namespace boost
{
std::size_t hash_value(test::custom x)
{
return x.hash();
}
}
#endif
#include "./config.hpp"
#ifdef TEST_EXTENSIONS
@@ -23,29 +58,6 @@
#include <string>
#include <cctype>
namespace test
{
struct custom
{
int value_;
custom(int x) : value_(x) {}
std::size_t hash() const { return value_ * 10; }
};
}
#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
namespace test
#else
namespace boost
#endif
{
std::size_t hash_value(test::custom x)
{
return x.hash();
}
}
BOOST_AUTO_UNIT_TEST(custom_tests)
{
HASH_NAMESPACE::hash<test::custom> custom_hasher;
@@ -68,8 +80,14 @@ BOOST_AUTO_UNIT_TEST(custom_tests)
HASH_NAMESPACE::hash_combine(seed, test::custom(25));
HASH_NAMESPACE::hash_combine(seed, test::custom(35));
std::size_t seed2 = 0;
HASH_NAMESPACE::hash_combine(seed2, 50u);
HASH_NAMESPACE::hash_combine(seed2, 250u);
HASH_NAMESPACE::hash_combine(seed2, 350u);
BOOST_CHECK(seed ==
HASH_NAMESPACE::hash_range(custom_vector.begin(), custom_vector.end()));
BOOST_CHECK(seed == seed2);
}
#endif // TEST_EXTENSIONS