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- // Copyright 2005-2009 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 "./config.hpp"
- #ifdef BOOST_HASH_TEST_STD_INCLUDES
- # include <functional>
- #else
- # include <boost/container_hash/hash.hpp>
- #endif
- #include <boost/core/lightweight_test.hpp>
- #include <string>
- #include "./compile_time.hpp"
- void string_tests()
- {
- compile_time_tests((std::string*) 0);
- BOOST_HASH_TEST_NAMESPACE::hash<std::string> x1;
- BOOST_HASH_TEST_NAMESPACE::hash<std::string> x2;
- BOOST_TEST(x1("Hello") == x2(std::string("Hel") + "lo"));
- BOOST_TEST(x1("") == x2(std::string()));
- #if defined(BOOST_HASH_TEST_EXTENSIONS)
- std::string value1;
- std::string value2("Hello");
- BOOST_TEST(x1(value1) == BOOST_HASH_TEST_NAMESPACE::hash_value(value1));
- BOOST_TEST(x1(value2) == BOOST_HASH_TEST_NAMESPACE::hash_value(value2));
- BOOST_TEST(BOOST_HASH_TEST_NAMESPACE::hash_value(value1) ==
- BOOST_HASH_TEST_NAMESPACE::hash_range(value1.begin(), value1.end()));
- BOOST_TEST(BOOST_HASH_TEST_NAMESPACE::hash_value(value2) ==
- BOOST_HASH_TEST_NAMESPACE::hash_range(value2.begin(), value2.end()));
- #endif
- }
- void string0_tests()
- {
- std::string x1(1, '\0');
- std::string x2(2, '\0');
- std::string x3(3, '\0');
- std::string x4(10, '\0');
- BOOST_HASH_TEST_NAMESPACE::hash<std::string> hasher;
- BOOST_TEST(hasher(x1) != hasher(x2));
- BOOST_TEST(hasher(x1) != hasher(x3));
- BOOST_TEST(hasher(x1) != hasher(x4));
- BOOST_TEST(hasher(x2) != hasher(x3));
- BOOST_TEST(hasher(x2) != hasher(x4));
- BOOST_TEST(hasher(x3) != hasher(x4));
- }
- #if !defined(BOOST_NO_STD_WSTRING) && !defined(BOOST_NO_INTRINSIC_WCHAR_T)
- void wstring_tests()
- {
- compile_time_tests((std::wstring*) 0);
- BOOST_HASH_TEST_NAMESPACE::hash<std::wstring> x1;
- BOOST_HASH_TEST_NAMESPACE::hash<std::wstring> x2;
- BOOST_TEST(x1(L"Hello") == x2(std::wstring(L"Hel") + L"lo"));
- BOOST_TEST(x1(L"") == x2(std::wstring()));
- #if defined(BOOST_HASH_TEST_EXTENSIONS)
- std::wstring value1;
- std::wstring value2(L"Hello");
- BOOST_TEST(x1(value1) == BOOST_HASH_TEST_NAMESPACE::hash_value(value1));
- BOOST_TEST(x1(value2) == BOOST_HASH_TEST_NAMESPACE::hash_value(value2));
- BOOST_TEST(BOOST_HASH_TEST_NAMESPACE::hash_value(value1) ==
- BOOST_HASH_TEST_NAMESPACE::hash_range(value1.begin(), value1.end()));
- BOOST_TEST(BOOST_HASH_TEST_NAMESPACE::hash_value(value2) ==
- BOOST_HASH_TEST_NAMESPACE::hash_range(value2.begin(), value2.end()));
- #endif
- }
- #endif
- #if !defined(BOOST_NO_CXX11_CHAR16_T)
- void u16string_tests()
- {
- compile_time_tests((std::u16string*) 0);
- BOOST_HASH_TEST_NAMESPACE::hash<std::u16string> x1;
- BOOST_HASH_TEST_NAMESPACE::hash<std::u16string> x2;
- BOOST_TEST(x1(u"Hello") == x2(std::u16string(u"Hel") + u"lo"));
- BOOST_TEST(x1(u"") == x2(std::u16string()));
- #if defined(BOOST_HASH_TEST_EXTENSIONS)
- std::u16string value1;
- std::u16string value2(u"Hello");
- BOOST_TEST(x1(value1) == BOOST_HASH_TEST_NAMESPACE::hash_value(value1));
- BOOST_TEST(x1(value2) == BOOST_HASH_TEST_NAMESPACE::hash_value(value2));
- BOOST_TEST(BOOST_HASH_TEST_NAMESPACE::hash_value(value1) ==
- BOOST_HASH_TEST_NAMESPACE::hash_range(value1.begin(), value1.end()));
- BOOST_TEST(BOOST_HASH_TEST_NAMESPACE::hash_value(value2) ==
- BOOST_HASH_TEST_NAMESPACE::hash_range(value2.begin(), value2.end()));
- #endif
- }
- #endif
- #if !defined(BOOST_NO_CXX11_CHAR32_T)
- void u32string_tests()
- {
- compile_time_tests((std::u32string*) 0);
- BOOST_HASH_TEST_NAMESPACE::hash<std::u32string> x1;
- BOOST_HASH_TEST_NAMESPACE::hash<std::u32string> x2;
- BOOST_TEST(x1(U"Hello") == x2(std::u32string(U"Hel") + U"lo"));
- BOOST_TEST(x1(U"") == x2(std::u32string()));
- #if defined(BOOST_HASH_TEST_EXTENSIONS)
- std::u32string value1;
- std::u32string value2(U"Hello");
- BOOST_TEST(x1(value1) == BOOST_HASH_TEST_NAMESPACE::hash_value(value1));
- BOOST_TEST(x1(value2) == BOOST_HASH_TEST_NAMESPACE::hash_value(value2));
- BOOST_TEST(BOOST_HASH_TEST_NAMESPACE::hash_value(value1) ==
- BOOST_HASH_TEST_NAMESPACE::hash_range(value1.begin(), value1.end()));
- BOOST_TEST(BOOST_HASH_TEST_NAMESPACE::hash_value(value2) ==
- BOOST_HASH_TEST_NAMESPACE::hash_range(value2.begin(), value2.end()));
- #endif
- }
- #endif
- template <typename StringType>
- void generic_string_tests(StringType*)
- {
- std::string x1(1, '\0');
- std::string x2(2, '\0');
- std::string x3(3, '\0');
- std::string x4(10, '\0');
- std::string x5 = x2 + "hello" + x2;
- StringType strings[] = {
- "",
- "hello",
- x1,
- x2,
- x3,
- x4,
- x5
- };
- std::size_t const strings_length = sizeof(strings) / sizeof(StringType);
- boost::hash<StringType> hash;
- for (std::size_t i = 0; i < strings_length; ++i) {
- std::size_t hash_i = hash(strings[i]);
- for (std::size_t j = 0; j < strings_length; ++j) {
- std::size_t hash_j = hash(strings[j]);
- BOOST_TEST((hash_i == hash_j) == (i == j));
- }
- }
- }
- int main()
- {
- string_tests();
- string0_tests();
- #if !defined(BOOST_NO_STD_WSTRING) && !defined(BOOST_NO_INTRINSIC_WCHAR_T)
- wstring_tests();
- #endif
- #if !defined(BOOST_NO_CXX11_CHAR16_T)
- u16string_tests();
- #endif
- #if !defined(BOOST_NO_CXX11_CHAR32_T)
- u32string_tests();
- #endif
- generic_string_tests((std::string*) 0);
- #if BOOST_HASH_HAS_STRING_VIEW
- generic_string_tests((std::string_view*) 0);
- #endif
- return boost::report_errors();
- }
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