Compare commits

...

12 Commits

Author SHA1 Message Date
fab09b5f94 Patches for Codegear C++ Builder 2009
[SVN r48981]
2008-09-27 08:59:20 +00:00
9804292dad Move array test into canonical test subdir structure.
[SVN r44376]
2008-04-13 22:12:12 +00:00
522292bd56 Branch for CodeGear (Borland) specific fixes
[SVN r39356]
2007-09-17 20:28:43 +00:00
069b5e2ca1 Throw out_of_range rather than range_error. See 21.1.1 paragraph 13.
[SVN r36304]
2006-12-08 16:54:30 +00:00
526953fc5e Test for out_of_range rather than range_error. See 21.1.1 paragraph 13.
[SVN r36303]
2006-12-08 16:53:49 +00:00
b06f12b0b7 Fixed license & copyright issues.
[SVN r36224]
2006-12-01 10:29:49 +00:00
f0bbb8b211 Add copyright, license
[SVN r35905]
2006-11-07 19:11:57 +00:00
d7a5408143 http://www.josuttis.com/ hasn't the latest version any more
[SVN r34855]
2006-08-08 18:49:30 +00:00
564e4029d0 Simplified code.
[SVN r34384]
2006-06-24 11:31:19 +00:00
0dc11c2f23 Fix compiler errors resulting from missing return values.
[SVN r34259]
2006-06-09 11:40:07 +00:00
7da1c4b310 Remove size zero support for old compilers that do not support partial template specialization
[SVN r34161]
2006-06-04 11:01:59 +00:00
8f10fdf27e Support for zero length arrays
[SVN r34154]
2006-06-03 12:51:13 +00:00
12 changed files with 664 additions and 14 deletions

107
array0.cpp Normal file
View File

@ -0,0 +1,107 @@
/* tests for using class array<> specialization for size 0
* (C) Copyright Alisdair Meredith 2006.
* 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 <string>
#include <iostream>
#include <boost/array.hpp>
namespace {
unsigned int failed_tests = 0;
void fail_test( const char * reason ) {
++failed_tests;
std::cerr << "Test failure " << failed_tests << ": " << reason << std::endl;
}
template< class T >
void BadValue( const T & )
{
fail_test( "Unexpected value" );
}
template< class T >
void RunTests()
{
typedef boost::array< T, 0 > test_type;
// Test value and aggegrate initialization
test_type test_case = {};
const boost::array< T, 0 > const_test_case = test_type();
test_case.assign( T() );
// front/back and operator[] must compile, but calling them is undefined
// Likewise, all tests below should evaluate to false, avoiding undefined behaviour
if( !test_case.empty() ) {
BadValue( test_case.front() );
}
if( !const_test_case.empty() ) {
BadValue( const_test_case.back() );
}
if( test_case.size() > 0 ) {
BadValue( test_case[ 0 ] );
}
if( const_test_case.max_size() > 0 ) {
BadValue( const_test_case[ 0 ] );
}
// Assert requirements of TR1 6.2.2.4
if( test_case.begin() != test_case.end() ) {
fail_test( "Not an empty range" );
}
if( const_test_case.begin() != const_test_case.end() ) {
fail_test( "Not an empty range" );
}
if( test_case.begin() == const_test_case.begin() ) {
fail_test( "iterators for different containers are not distinct" );
}
if( test_case.data() == const_test_case.data() ) {
// Value of data is unspecified in TR1, so no requirement this test pass or fail
// However, it must compile!
}
// Check can safely use all iterator types with std algorithms
std::for_each( test_case.begin(), test_case.end(), BadValue< T > );
std::for_each( test_case.rbegin(), test_case.rend(), BadValue< T > );
std::for_each( const_test_case.begin(), const_test_case.end(), BadValue< T > );
std::for_each( const_test_case.rbegin(), const_test_case.rend(), BadValue< T > );
// Check swap is well formed
std::swap( test_case, test_case );
// Check assigment operator and overloads are well formed
test_case = const_test_case;
// Confirm at() throws the std lib defined exception
try {
BadValue( test_case.at( 0 ) );
} catch ( const std::out_of_range & ) {
}
try {
BadValue( const_test_case.at( 0 ) );
} catch ( const std::out_of_range & ) {
}
}
}
int main()
{
RunTests< bool >();
RunTests< void * >();
RunTests< long double >();
RunTests< std::string >();
return failed_tests;
}

View File

@ -17,11 +17,11 @@
</copyright>
<legalnotice>
<para>Permission to copy, use, modify, sell and distribute this
software is granted provided this copyright notice appears in
all copies. This software is provided "as is" without express or
implied warranty, and with no claim as to its suitability for
any purpose.</para>
<para>Distributed under the Boost Software License, Version 1.0.
(See accompanying file <filename>LICENSE_1_0.txt</filename> or copy at
<ulink
url="http://www.boost.org/LICENSE_1_0.txt">http://www.boost.org/LICENSE_1_0.txt</ulink>)
</para>
</legalnotice>
<librarypurpose>STL compliant container wrapper for arrays of constant size</librarypurpose>

View File

@ -2,13 +2,13 @@
* an STL container (as wrapper) for arrays of constant size.
*
* See
* http://www.josuttis.com/cppcode
* for details and the latest version.
* See
* http://www.boost.org/libs/array for Documentation.
* http://www.boost.org/libs/array/
* for documentation.
*
* The original author site is at: http://www.josuttis.com/
*
* (C) Copyright Nicolai M. Josuttis 2001.
*
* 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)
@ -30,6 +30,7 @@
// Handles broken standard libraries better than <iterator>
#include <boost/detail/iterator.hpp>
#include <boost/throw_exception.hpp>
#include <algorithm>
// FIXES for broken compilers
@ -52,7 +53,7 @@ namespace boost {
typedef const T& const_reference;
typedef std::size_t size_type;
typedef std::ptrdiff_t difference_type;
// iterator support
iterator begin() { return elems; }
const_iterator begin() const { return elems; }
@ -135,6 +136,7 @@ namespace boost {
// direct access to data (read-only)
const T* data() const { return elems; }
T* data() { return elems; }
// use array as C array (direct read/write access to data)
T* c_array() { return elems; }
@ -154,13 +156,134 @@ namespace boost {
// check range (may be private because it is static)
static void rangecheck (size_type i) {
if (i >= size()) {
throw std::range_error("array<>: index out of range");
if (i >= size()) {
throw std::out_of_range("array<>: index out of range");
}
}
};
#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
template< class T >
class array< T, 0 > {
public:
// type definitions
typedef T value_type;
typedef T* iterator;
typedef const T* const_iterator;
typedef T& reference;
typedef const T& const_reference;
typedef std::size_t size_type;
typedef std::ptrdiff_t difference_type;
// iterator support
iterator begin() { return iterator( reinterpret_cast< T * >( this ) ); }
const_iterator begin() const { return const_iterator( reinterpret_cast< const T * >( this ) ); }
iterator end() { return begin(); }
const_iterator end() const { return begin(); }
// reverse iterator support
#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) && !defined(BOOST_MSVC_STD_ITERATOR) && !defined(BOOST_NO_STD_ITERATOR_TRAITS)
typedef std::reverse_iterator<iterator> reverse_iterator;
typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
#elif defined(_MSC_VER) && (_MSC_VER == 1300) && defined(BOOST_DINKUMWARE_STDLIB) && (BOOST_DINKUMWARE_STDLIB == 310)
// workaround for broken reverse_iterator in VC7
typedef std::reverse_iterator<std::_Ptrit<value_type, difference_type, iterator,
reference, iterator, reference> > reverse_iterator;
typedef std::reverse_iterator<std::_Ptrit<value_type, difference_type, const_iterator,
const_reference, iterator, reference> > const_reverse_iterator;
#else
// workaround for broken reverse_iterator implementations
typedef std::reverse_iterator<iterator,T> reverse_iterator;
typedef std::reverse_iterator<const_iterator,T> const_reverse_iterator;
#endif
reverse_iterator rbegin() { return reverse_iterator(end()); }
const_reverse_iterator rbegin() const {
return const_reverse_iterator(end());
}
reverse_iterator rend() { return reverse_iterator(begin()); }
const_reverse_iterator rend() const {
return const_reverse_iterator(begin());
}
// operator[]
reference operator[](size_type i)
{
return failed_rangecheck();
}
const_reference operator[](size_type i) const
{
return failed_rangecheck();
}
// at() with range check
reference at(size_type i) { return failed_rangecheck(); }
const_reference at(size_type i) const { return failed_rangecheck(); }
// front() and back()
reference front()
{
return failed_rangecheck();
}
const_reference front() const
{
return failed_rangecheck();
}
reference back()
{
return failed_rangecheck();
}
const_reference back() const
{
return failed_rangecheck();
}
// size is constant
static size_type size() { return 0; }
static bool empty() { return true; }
static size_type max_size() { return 0; }
enum { static_size = 0 };
void swap (array<T,0>& y) {
}
// direct access to data (read-only)
const T* data() const { return 0; }
T* data() { return 0; }
// use array as C array (direct read/write access to data)
T* c_array() { return 0; }
// assignment with type conversion
template <typename T2>
array<T,0>& operator= (const array<T2,0>& ) {
return *this;
}
// assign one value to all elements
void assign (const T& ) { }
// check range (may be private because it is static)
static reference failed_rangecheck () {
std::out_of_range e("attempt to access element of an empty array");
boost::throw_exception(e);
//
// We need to return something here to keep
// some compilers happy: however we will never
// actually get here....
//
static T placeholder;
return placeholder;
}
};
#endif
// comparisons
template<class T, std::size_t N>
bool operator== (const array<T,N>& x, const array<T,N>& y) {

View File

@ -4,6 +4,10 @@
</head>
<body>
Automatic redirection failed, please go to
<a href="../../doc/html/array.html">../../doc/html/array.html</a>
<a href="../../doc/html/array.html">../../doc/html/array.html</a> &nbsp;<hr>
<p><EFBFBD> Copyright Beman Dawes, 2001</p>
<p>Distributed under the Boost Software License, Version 1.0. (See accompanying
file <a href="../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> or copy
at <a href="http://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</a>)</p>
</body>
</html>
</html>

14
test/Jamfile.v2 Normal file
View File

@ -0,0 +1,14 @@
#~ Copyright Rene Rivera 2008
#~ 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)
import testing ;
test-suite array :
[ run array0.cpp ]
[ run array1.cpp ]
[ run array2.cpp ]
[ run array3.cpp ]
[ run array4.cpp ]
[ run array5.cpp ]
;

107
test/array0.cpp Normal file
View File

@ -0,0 +1,107 @@
/* tests for using class array<> specialization for size 0
* (C) Copyright Alisdair Meredith 2006.
* 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 <string>
#include <iostream>
#include <boost/array.hpp>
namespace {
unsigned int failed_tests = 0;
void fail_test( const char * reason ) {
++failed_tests;
std::cerr << "Test failure " << failed_tests << ": " << reason << std::endl;
}
template< class T >
void BadValue( const T & )
{
fail_test( "Unexpected value" );
}
template< class T >
void RunTests()
{
typedef boost::array< T, 0 > test_type;
// Test value and aggegrate initialization
test_type test_case = {};
const boost::array< T, 0 > const_test_case = test_type();
test_case.assign( T() );
// front/back and operator[] must compile, but calling them is undefined
// Likewise, all tests below should evaluate to false, avoiding undefined behaviour
if( !test_case.empty() ) {
BadValue( test_case.front() );
}
if( !const_test_case.empty() ) {
BadValue( const_test_case.back() );
}
if( test_case.size() > 0 ) {
BadValue( test_case[ 0 ] );
}
if( const_test_case.max_size() > 0 ) {
BadValue( const_test_case[ 0 ] );
}
// Assert requirements of TR1 6.2.2.4
if( test_case.begin() != test_case.end() ) {
fail_test( "Not an empty range" );
}
if( const_test_case.begin() != const_test_case.end() ) {
fail_test( "Not an empty range" );
}
if( test_case.begin() == const_test_case.begin() ) {
fail_test( "iterators for different containers are not distinct" );
}
if( test_case.data() == const_test_case.data() ) {
// Value of data is unspecified in TR1, so no requirement this test pass or fail
// However, it must compile!
}
// Check can safely use all iterator types with std algorithms
std::for_each( test_case.begin(), test_case.end(), BadValue< T > );
std::for_each( test_case.rbegin(), test_case.rend(), BadValue< T > );
std::for_each( const_test_case.begin(), const_test_case.end(), BadValue< T > );
std::for_each( const_test_case.rbegin(), const_test_case.rend(), BadValue< T > );
// Check swap is well formed
std::swap( test_case, test_case );
// Check assigment operator and overloads are well formed
test_case = const_test_case;
// Confirm at() throws the std lib defined exception
try {
BadValue( test_case.at( 0 ) );
} catch ( const std::out_of_range & ) {
}
try {
BadValue( const_test_case.at( 0 ) );
} catch ( const std::out_of_range & ) {
}
}
}
int main()
{
RunTests< bool >();
RunTests< void * >();
RunTests< long double >();
RunTests< std::string >();
return failed_tests;
}

58
test/array1.cpp Normal file
View File

@ -0,0 +1,58 @@
/* simple example for using class array<>
*
* (C) Copyright Nicolai M. Josuttis 2001.
* 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)
*
* Changelog:
* 20 Jan 2001 - Removed boolalpha use since stock GCC doesn't support it
* (David Abrahams)
*/
#include <iostream>
#include <boost/array.hpp>
int main()
{
// define special type name
typedef boost::array<float,6> Array;
// create and initialize an array
Array a = { { 42 } };
// access elements
for (unsigned i=1; i<a.size(); ++i) {
a[i] = a[i-1]+1;
}
// use some common STL container operations
std::cout << "size: " << a.size() << std::endl;
std::cout << "empty: " << (a.empty() ? "true" : "false") << std::endl;
std::cout << "max_size: " << a.max_size() << std::endl;
std::cout << "front: " << a.front() << std::endl;
std::cout << "back: " << a.back() << std::endl;
std::cout << "elems: ";
// iterate through all elements
for (Array::const_iterator pos=a.begin(); pos<a.end(); ++pos) {
std::cout << *pos << ' ';
}
std::cout << std::endl;
// check copy constructor and assignment operator
Array b(a);
Array c;
c = a;
if (a==b && a==c) {
std::cout << "copy construction and copy assignment are OK"
<< std::endl;
}
else {
std::cout << "copy construction and copy assignment FAILED"
<< std::endl;
}
return 0; // makes Visual-C++ compiler happy
}

40
test/array2.cpp Normal file
View File

@ -0,0 +1,40 @@
/* example for using class array<>
* (C) Copyright Nicolai M. Josuttis 2001.
* 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 <algorithm>
#include <functional>
#include <boost/array.hpp>
#include "print.hpp"
using namespace std;
using namespace boost;
int main()
{
// create and initialize array
array<int,10> a = { { 1, 2, 3, 4, 5 } };
print_elements(a);
// modify elements directly
for (unsigned i=0; i<a.size(); ++i) {
++a[i];
}
print_elements(a);
// change order using an STL algorithm
reverse(a.begin(),a.end());
print_elements(a);
// negate elements using STL framework
transform(a.begin(),a.end(), // source
a.begin(), // destination
negate<int>()); // operation
print_elements(a);
return 0; // makes Visual-C++ compiler happy
}

55
test/array3.cpp Normal file
View File

@ -0,0 +1,55 @@
/* example for using class array<>
* (C) Copyright Nicolai M. Josuttis 2001.
* 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 <string>
#include <iostream>
#include <boost/array.hpp>
template <class T>
void print_elements (const T& x);
int main()
{
// create array of four seasons
boost::array<std::string,4> seasons = {
{ "spring", "summer", "autumn", "winter" }
};
// copy and change order
boost::array<std::string,4> seasons_orig = seasons;
for (unsigned i=seasons.size()-1; i>0; --i) {
std::swap(seasons.at(i),seasons.at((i+1)%seasons.size()));
}
std::cout << "one way: ";
print_elements(seasons);
// try swap()
std::cout << "other way: ";
std::swap(seasons,seasons_orig);
print_elements(seasons);
// try reverse iterators
std::cout << "reverse: ";
for (boost::array<std::string,4>::reverse_iterator pos
=seasons.rbegin(); pos<seasons.rend(); ++pos) {
std::cout << " " << *pos;
}
std::cout << std::endl;
return 0; // makes Visual-C++ compiler happy
}
template <class T>
void print_elements (const T& x)
{
for (unsigned i=0; i<x.size(); ++i) {
std::cout << " " << x[i];
}
std::cout << std::endl;
}

43
test/array4.cpp Normal file
View File

@ -0,0 +1,43 @@
/* example for using class array<>
* (C) Copyright Nicolai M. Josuttis 2001.
* 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 <algorithm>
#include <functional>
#include <string>
#include <iostream>
#include <boost/array.hpp>
int main()
{
// array of arrays of seasons
boost::array<boost::array<std::string,4>,2> seasons_i18n = {
{ { { "spring", "summer", "autumn", "winter", } },
{ { "Fruehling", "Sommer", "Herbst", "Winter" } }
}
};
// for any array of seasons print seasons
for (unsigned i=0; i<seasons_i18n.size(); ++i) {
boost::array<std::string,4> seasons = seasons_i18n[i];
for (unsigned j=0; j<seasons.size(); ++j) {
std::cout << seasons[j] << " ";
}
std::cout << std::endl;
}
// print first element of first array
std::cout << "first element of first array: "
<< seasons_i18n[0][0] << std::endl;
// print last element of last array
std::cout << "last element of last array: "
<< seasons_i18n[seasons_i18n.size()-1][seasons_i18n[0].size()-1]
<< std::endl;
return 0; // makes Visual-C++ compiler happy
}

72
test/array5.cpp Normal file
View File

@ -0,0 +1,72 @@
/* simple example for using class array<>
* (C) Copyright Nicolai M. Josuttis 2001.
* 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 <iostream>
#include <boost/array.hpp>
template <typename T>
void test_static_size (const T& cont)
{
int tmp[T::static_size];
for (unsigned i=0; i<T::static_size; ++i) {
tmp[i] = int(cont[i]);
}
for (unsigned j=0; j<T::static_size; ++j) {
std::cout << tmp[j] << ' ';
}
std::cout << std::endl;
}
int main()
{
// define special type name
typedef boost::array<float,6> Array;
// create and initialize an array
const Array a = { { 42.42 } };
// use some common STL container operations
std::cout << "static_size: " << a.size() << std::endl;
std::cout << "size: " << a.size() << std::endl;
// Can't use std::boolalpha because it isn't portable
std::cout << "empty: " << (a.empty()? "true" : "false") << std::endl;
std::cout << "max_size: " << a.max_size() << std::endl;
std::cout << "front: " << a.front() << std::endl;
std::cout << "back: " << a.back() << std::endl;
std::cout << "[0]: " << a[0] << std::endl;
std::cout << "elems: ";
// iterate through all elements
for (Array::const_iterator pos=a.begin(); pos<a.end(); ++pos) {
std::cout << *pos << ' ';
}
std::cout << std::endl;
test_static_size(a);
// check copy constructor and assignment operator
Array b(a);
Array c;
c = a;
if (a==b && a==c) {
std::cout << "copy construction and copy assignment are OK"
<< std::endl;
}
else {
std::cout << "copy construction and copy assignment are BROKEN"
<< std::endl;
}
typedef boost::array<double,6> DArray;
typedef boost::array<int,6> IArray;
IArray ia = { { 1, 2, 3, 4, 5, 6 } } ; // extra braces silence GCC warning
DArray da;
da = ia;
da.assign(42);
return 0; // makes Visual-C++ compiler happy
}

27
test/print.hpp Normal file
View File

@ -0,0 +1,27 @@
/* The following code example is taken from the book
* "The C++ Standard Library - A Tutorial and Reference"
* by Nicolai M. Josuttis, Addison-Wesley, 1999
*
* (C) Copyright Nicolai M. Josuttis 1999.
* 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 <iostream>
/* print_elements()
* - prints optional C-string optcstr followed by
* - all elements of the collection coll
* - separated by spaces
*/
template <class T>
inline void print_elements (const T& coll, const char* optcstr="")
{
typename T::const_iterator pos;
std::cout << optcstr;
for (pos=coll.begin(); pos!=coll.end(); ++pos) {
std::cout << *pos << ' ';
}
std::cout << std::endl;
}