| /* |
| * |
| * Copyright (c) 2004 |
| * John Maddock |
| * |
| * Use, modification and distribution are subject to 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) |
| * |
| */ |
| |
| /* |
| * LOCATION: see http://www.boost.org for most recent version. |
| * FILE unicode_iterator_test.cpp |
| * VERSION see <boost/version.hpp> |
| * DESCRIPTION: Simple test suite for Unicode interconversions. |
| */ |
| |
| #include <boost/regex/pending/unicode_iterator.hpp> |
| #include <boost/test/included/test_exec_monitor.hpp> |
| #include <vector> |
| #include <iterator> |
| #include <algorithm> |
| |
| void spot_checks() |
| { |
| // test specific values ripped straight out of the Unicode standard |
| // to verify that our encoding is the same as theirs, as well as |
| // self-consistent: |
| ::boost::uint32_t spot16[] = { 0x10302u, }; |
| typedef boost::u32_to_u16_iterator<const ::boost::uint32_t*> u32to16type; |
| |
| u32to16type it(spot16); |
| BOOST_CHECK_EQUAL(*it++, 0xD800u); |
| BOOST_CHECK_EQUAL(*it++, 0xDF02u); |
| BOOST_CHECK_EQUAL(*--it, 0xDF02u); |
| BOOST_CHECK_EQUAL(*--it, 0xD800u); |
| |
| ::boost::uint32_t spot8[] = { 0x004Du, 0x0430u, 0x4E8Cu, 0x10302u, }; |
| typedef boost::u32_to_u8_iterator<const ::boost::uint32_t*> u32to8type; |
| |
| u32to8type it8(spot8); |
| BOOST_CHECK_EQUAL(*it8++, 0x4Du); |
| BOOST_CHECK_EQUAL(*it8++, 0xD0u); |
| BOOST_CHECK_EQUAL(*it8++, 0xB0u); |
| BOOST_CHECK_EQUAL(*it8++, 0xE4u); |
| BOOST_CHECK_EQUAL(*it8++, 0xBAu); |
| BOOST_CHECK_EQUAL(*it8++, 0x8Cu); |
| BOOST_CHECK_EQUAL(*it8++, 0xF0u); |
| BOOST_CHECK_EQUAL(*it8++, 0x90u); |
| BOOST_CHECK_EQUAL(*it8++, 0x8Cu); |
| BOOST_CHECK_EQUAL(*it8++, 0x82u); |
| |
| BOOST_CHECK_EQUAL(*--it8, 0x82u); |
| BOOST_CHECK_EQUAL(*--it8, 0x8Cu); |
| BOOST_CHECK_EQUAL(*--it8, 0x90u); |
| BOOST_CHECK_EQUAL(*--it8, 0xF0u); |
| BOOST_CHECK_EQUAL(*--it8, 0x8Cu); |
| BOOST_CHECK_EQUAL(*--it8, 0xBAu); |
| BOOST_CHECK_EQUAL(*--it8, 0xE4u); |
| BOOST_CHECK_EQUAL(*--it8, 0xB0u); |
| BOOST_CHECK_EQUAL(*--it8, 0xD0u); |
| BOOST_CHECK_EQUAL(*--it8, 0x4Du); |
| } |
| |
| void test(const std::vector< ::boost::uint32_t>& v) |
| { |
| typedef std::vector< ::boost::uint32_t> vector32_type; |
| typedef std::vector< ::boost::uint16_t> vector16_type; |
| typedef std::vector< ::boost::uint8_t> vector8_type; |
| typedef boost::u32_to_u16_iterator<vector32_type::const_iterator, ::boost::uint16_t> u32to16type; |
| typedef boost::u16_to_u32_iterator<vector16_type::const_iterator, ::boost::uint32_t> u16to32type; |
| #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) && !defined(BOOST_NO_STD_ITERATOR) && !defined(_RWSTD_NO_CLASS_PARTIAL_SPEC) |
| typedef std::reverse_iterator<u32to16type> ru32to16type; |
| typedef std::reverse_iterator<u16to32type> ru16to32type; |
| #endif |
| typedef boost::u32_to_u8_iterator<vector32_type::const_iterator, ::boost::uint8_t> u32to8type; |
| typedef boost::u8_to_u32_iterator<vector8_type::const_iterator, ::boost::uint32_t> u8to32type; |
| #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) && !defined(BOOST_NO_STD_ITERATOR) && !defined(_RWSTD_NO_CLASS_PARTIAL_SPEC) |
| typedef std::reverse_iterator<u32to8type> ru32to8type; |
| typedef std::reverse_iterator<u8to32type> ru8to32type; |
| #endif |
| vector8_type v8; |
| vector16_type v16; |
| vector32_type v32; |
| vector32_type::const_iterator i, j, k; |
| // |
| // begin by testing forward iteration, of 32-16 bit interconversions: |
| // |
| #if !defined(BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS) |
| v16.assign(u32to16type(v.begin()), u32to16type(v.end())); |
| #else |
| v16.clear(); |
| std::copy(u32to16type(v.begin()), u32to16type(v.end()), std::back_inserter(v16)); |
| #endif |
| #ifndef BOOST_NO_STD_DISTANCE |
| BOOST_CHECK_EQUAL((std::size_t)std::distance(u32to16type(v.begin()), u32to16type(v.end())), v16.size()); |
| #endif |
| #if !defined(BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS) |
| v32.assign(u16to32type(v16.begin()), u16to32type(v16.end())); |
| #else |
| v32.clear(); |
| std::copy(u16to32type(v16.begin()), u16to32type(v16.end()), std::back_inserter(v32)); |
| #endif |
| #ifndef BOOST_NO_STD_DISTANCE |
| BOOST_CHECK_EQUAL((std::size_t)std::distance(u16to32type(v16.begin()), u16to32type(v16.end())), v32.size()); |
| #endif |
| BOOST_CHECK_EQUAL(v.size(), v32.size()); |
| i = v.begin(); |
| j = i; |
| std::advance(j, (std::min)(v.size(), v32.size())); |
| k = v32.begin(); |
| BOOST_CHECK_EQUAL_COLLECTIONS(v.begin(), v.end(), v32.begin(), v32.end()); |
| // |
| // test backward iteration, of 32-16 bit interconversions: |
| // |
| #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) && !defined(BOOST_NO_STD_ITERATOR) && !defined(_RWSTD_NO_CLASS_PARTIAL_SPEC) |
| v16.assign(ru32to16type(u32to16type(v.end())), ru32to16type(u32to16type(v.begin()))); |
| #ifndef BOOST_NO_STD_DISTANCE |
| BOOST_CHECK_EQUAL((std::size_t)std::distance(ru32to16type(u32to16type(v.end())), ru32to16type(u32to16type(v.begin()))), v16.size()); |
| #endif |
| std::reverse(v16.begin(), v16.end()); |
| v32.assign(ru16to32type(u16to32type(v16.end())), ru16to32type(u16to32type(v16.begin()))); |
| #ifndef BOOST_NO_STD_DISTANCE |
| BOOST_CHECK_EQUAL((std::size_t)std::distance(ru16to32type(u16to32type(v16.end())), ru16to32type(u16to32type(v16.begin()))), v32.size()); |
| #endif |
| BOOST_CHECK_EQUAL(v.size(), v32.size()); |
| std::reverse(v32.begin(), v32.end()); |
| i = v.begin(); |
| j = i; |
| std::advance(j, (std::min)(v.size(), v32.size())); |
| k = v32.begin(); |
| BOOST_CHECK_EQUAL_COLLECTIONS(v.begin(), v.end(), v32.begin(), v32.end()); |
| #endif |
| // |
| // Test forward iteration, of 32-8 bit interconversions: |
| // |
| #if !defined(BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS) |
| v8.assign(u32to8type(v.begin()), u32to8type(v.end())); |
| #else |
| v8.clear(); |
| std::copy(u32to8type(v.begin()), u32to8type(v.end()), std::back_inserter(v8)); |
| #endif |
| #ifndef BOOST_NO_STD_DISTANCE |
| BOOST_CHECK_EQUAL((std::size_t)std::distance(u32to8type(v.begin()), u32to8type(v.end())), v8.size()); |
| #endif |
| #if !defined(BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS) |
| v32.assign(u8to32type(v8.begin()), u8to32type(v8.end())); |
| #else |
| v32.clear(); |
| std::copy(u8to32type(v8.begin()), u8to32type(v8.end()), std::back_inserter(v32)); |
| #endif |
| #ifndef BOOST_NO_STD_DISTANCE |
| BOOST_CHECK_EQUAL((std::size_t)std::distance(u8to32type(v8.begin()), u8to32type(v8.end())), v32.size()); |
| #endif |
| BOOST_CHECK_EQUAL(v.size(), v32.size()); |
| i = v.begin(); |
| j = i; |
| std::advance(j, (std::min)(v.size(), v32.size())); |
| k = v32.begin(); |
| BOOST_CHECK_EQUAL_COLLECTIONS(v.begin(), v.end(), v32.begin(), v32.end()); |
| // |
| // test backward iteration, of 32-8 bit interconversions: |
| // |
| #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) && !defined(BOOST_NO_STD_ITERATOR) && !defined(_RWSTD_NO_CLASS_PARTIAL_SPEC) |
| v8.assign(ru32to8type(u32to8type(v.end())), ru32to8type(u32to8type(v.begin()))); |
| #ifndef BOOST_NO_STD_DISTANCE |
| BOOST_CHECK_EQUAL((std::size_t)std::distance(ru32to8type(u32to8type(v.end())), ru32to8type(u32to8type(v.begin()))), v8.size()); |
| #endif |
| std::reverse(v8.begin(), v8.end()); |
| v32.assign(ru8to32type(u8to32type(v8.end())), ru8to32type(u8to32type(v8.begin()))); |
| #ifndef BOOST_NO_STD_DISTANCE |
| BOOST_CHECK_EQUAL((std::size_t)std::distance(ru8to32type(u8to32type(v8.end())), ru8to32type(u8to32type(v8.begin()))), v32.size()); |
| #endif |
| BOOST_CHECK_EQUAL(v.size(), v32.size()); |
| std::reverse(v32.begin(), v32.end()); |
| i = v.begin(); |
| j = i; |
| std::advance(j, (std::min)(v.size(), v32.size())); |
| k = v32.begin(); |
| BOOST_CHECK_EQUAL_COLLECTIONS(v.begin(), v.end(), v32.begin(), v32.end()); |
| #endif |
| } |
| |
| int test_main( int, char* [] ) |
| { |
| // test specific value points from the standard: |
| spot_checks(); |
| // now test a bunch of values for self-consistency and round-tripping: |
| std::vector< ::boost::uint32_t> v; |
| // start with boundary conditions: |
| v.push_back(0); |
| v.push_back(0xD7FF); |
| v.push_back(0xE000); |
| v.push_back(0xFFFF); |
| v.push_back(0x10000); |
| v.push_back(0x10FFFF); |
| v.push_back(0x80u); |
| v.push_back(0x80u - 1); |
| v.push_back(0x800u); |
| v.push_back(0x800u - 1); |
| v.push_back(0x10000u); |
| v.push_back(0x10000u - 1); |
| test(v); |
| return 0; |
| } |
| |
| #include <boost/test/included/test_exec_monitor.hpp> |