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/*
* Copyright Andrey Semashev 2007 - 2015.
* 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)
*/
/*!
* \file util_string_literal.cpp
* \author Andrey Semashev
* \date 09.01.2009
*
* \brief This header contains tests for the string literals wrapper.
*/
#define BOOST_TEST_MODULE util_string_literal
#include <cwchar>
#include <cstring>
#include <set>
#include <memory>
#include <string>
#include <algorithm>
#include <boost/test/unit_test.hpp>
#include <boost/log/utility/string_literal.hpp>
namespace logging = boost::log;
// Construction tests
BOOST_AUTO_TEST_CASE(string_literal_ctors)
{
// Default construction
{
logging::string_literal lit;
BOOST_CHECK(lit.empty());
BOOST_CHECK_EQUAL(lit.size(), 0UL);
BOOST_CHECK(lit.c_str() != NULL);
}
// Construction from a literal
{
logging::string_literal lit = "abcd";
BOOST_CHECK(!lit.empty());
BOOST_CHECK_EQUAL(lit.size(), 4UL);
BOOST_CHECK(std::strcmp(lit.c_str(), "abcd") == 0);
}
#ifdef BOOST_LOG_USE_WCHAR_T
// Copying
{
logging::wstring_literal lit1 = L"Hello";
logging::wstring_literal lit2 = lit1;
BOOST_CHECK(std::wcscmp(lit2.c_str(), L"Hello") == 0);
BOOST_CHECK(std::wcscmp(lit1.c_str(), lit2.c_str()) == 0);
}
// Generator functions
{
logging::string_literal lit1 = logging::str_literal("Wow!");
BOOST_CHECK(std::strcmp(lit1.c_str(), "Wow!") == 0);
logging::wstring_literal lit2 = logging::str_literal(L"Wow!");
BOOST_CHECK(std::wcscmp(lit2.c_str(), L"Wow!") == 0);
}
#endif
}
// Assignment tests
BOOST_AUTO_TEST_CASE(string_literal_assignment)
{
// operator=
{
logging::string_literal lit;
BOOST_CHECK(lit.empty());
lit = "Hello";
BOOST_CHECK(std::strcmp(lit.c_str(), "Hello") == 0);
logging::string_literal empty_lit;
lit = empty_lit;
BOOST_CHECK(lit.empty());
logging::string_literal filled_lit = "Some string";
lit = filled_lit;
BOOST_CHECK(std::strcmp(lit.c_str(), filled_lit.c_str()) == 0);
}
// assign
{
logging::string_literal lit;
BOOST_CHECK(lit.empty());
lit.assign("Hello");
BOOST_CHECK(std::strcmp(lit.c_str(), "Hello") == 0);
logging::string_literal empty_lit;
lit.assign(empty_lit);
BOOST_CHECK(lit.empty());
logging::string_literal filled_lit = "Some string";
lit.assign(filled_lit);
BOOST_CHECK(std::strcmp(lit.c_str(), filled_lit.c_str()) == 0);
}
}
// Comparison tests
BOOST_AUTO_TEST_CASE(string_literal_comparison)
{
logging::string_literal lit;
BOOST_CHECK(lit == "");
lit = "abcdefg";
BOOST_CHECK(lit == "abcdefg");
BOOST_CHECK(lit != "xyz");
BOOST_CHECK(lit != "aBcDeFg");
logging::string_literal lit2 = "Yo!";
BOOST_CHECK(lit != lit2);
lit2 = "abcdefg";
BOOST_CHECK(lit == lit2);
BOOST_CHECK(lit.compare(lit2) == 0);
BOOST_CHECK(lit.compare("aaaaa") > 0);
BOOST_CHECK(lit.compare("zzzzzzzz") < 0);
BOOST_CHECK(lit.compare("zbcdefg") < 0);
BOOST_CHECK(lit.compare(2, 3, "cde") == 0);
BOOST_CHECK(lit.compare(2, 3, "cdefgh", 3) == 0);
// Check ordering
std::set< logging::string_literal > lit_set;
lit_set.insert(logging::str_literal("abc"));
lit_set.insert(logging::str_literal("def"));
lit_set.insert(logging::str_literal("aaa"));
lit_set.insert(logging::str_literal("abcd"));
lit_set.insert(logging::str_literal("zz"));
std::set< std::string > str_set;
str_set.insert(logging::str_literal("abc").str());
str_set.insert(logging::str_literal("def").str());
str_set.insert(logging::str_literal("aaa").str());
str_set.insert(logging::str_literal("abcd").str());
str_set.insert(logging::str_literal("zz").str());
BOOST_CHECK_EQUAL_COLLECTIONS(lit_set.begin(), lit_set.end(), str_set.begin(), str_set.end());
}
// Iteration tests
BOOST_AUTO_TEST_CASE(string_literal_iteration)
{
std::string str;
logging::string_literal lit = "abcdefg";
std::copy(lit.begin(), lit.end(), std::back_inserter(str));
BOOST_CHECK(str == "abcdefg");
str.clear();
std::copy(lit.rbegin(), lit.rend(), std::back_inserter(str));
BOOST_CHECK(str == "gfedcba");
}
// Subscript tests
BOOST_AUTO_TEST_CASE(string_literal_indexing)
{
logging::string_literal lit = "abcdefg";
BOOST_CHECK_EQUAL(lit[2], 'c');
BOOST_CHECK_EQUAL(lit.at(3), 'd');
BOOST_CHECK_THROW(lit.at(100), std::exception);
}
// Clearing tests
BOOST_AUTO_TEST_CASE(string_literal_clear)
{
logging::string_literal lit = "yo-ho-ho";
BOOST_CHECK(!lit.empty());
lit.clear();
BOOST_CHECK(lit.empty());
BOOST_CHECK_EQUAL(lit, "");
}
// Swapping tests
BOOST_AUTO_TEST_CASE(string_literal_swap)
{
logging::string_literal lit1 = "yo-ho-ho";
logging::string_literal lit2 = "hello";
lit1.swap(lit2);
BOOST_CHECK_EQUAL(lit1, "hello");
BOOST_CHECK_EQUAL(lit2, "yo-ho-ho");
swap(lit1, lit2);
BOOST_CHECK_EQUAL(lit2, "hello");
BOOST_CHECK_EQUAL(lit1, "yo-ho-ho");
}
// STL strings acquisition tests
BOOST_AUTO_TEST_CASE(string_literal_str)
{
logging::string_literal lit = "yo-ho-ho";
std::string str = lit.str();
BOOST_CHECK_EQUAL(str, "yo-ho-ho");
BOOST_CHECK_EQUAL(lit, str);
}
// Substring extraction tests
BOOST_AUTO_TEST_CASE(string_literal_copy)
{
logging::string_literal lit = "yo-ho-ho";
char t[32] = { 0 };
BOOST_CHECK_EQUAL(lit.copy(t, 2), 2UL);
BOOST_CHECK(std::strcmp(t, "yo") == 0);
BOOST_CHECK_EQUAL(lit.copy(t, 4, 2), 4UL);
BOOST_CHECK(std::strcmp(t, "-ho-") == 0);
BOOST_CHECK_EQUAL(lit.copy(t, 100), 8UL);
BOOST_CHECK(std::strcmp(t, "yo-ho-ho") == 0);
}
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