Patches for Codegear C++ Builder 2009

[SVN r48981]

array0.cpp

@@ -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;
+}
+

array1.cpp

@@ -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
+}
+

array2.cpp

@@ -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
+}
+

array3.cpp

@@ -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;
+}
+

array4.cpp

@@ -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
+}
+

array5.cpp

@@ -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
+}
+

print.hpp

@@ -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;
+}