mirror of
https://github.com/boostorg/function.git
synced 2025-07-21 16:42:07 +02:00
- Removed everything deprecated in 1.29.0
- Deprecate user use of function_base - Use the Boost Preprocessor library to make Function scalable to any (reasonable) number of arguments - Make any_pointer a POD (oops) - Test Boost.Function for 30 arguments - Remove tests of deprecated features [SVN r15498]
This commit is contained in:
Douglas Gregor
@ -60,7 +60,7 @@ static void do_nothing() {}
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int
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test_main(int, char*[])
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{
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function<int, int, int>::allocator< counting_allocator<int> >::type f;
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function2<int, int, int, counting_allocator<int> > f;
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f = plus<int>();
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f.clear();
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BOOST_TEST(alloc_count == 1);
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@ -71,7 +71,7 @@ test_main(int, char*[])
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f = &do_minus;
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f.clear();
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function<void>::allocator< counting_allocator<int> >::type fv;
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function0<void, counting_allocator<int> > fv;
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alloc_count = 0;
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dealloc_count = 0;
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fv = DoNothing();
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@ -1,645 +0,0 @@
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// Boost.Function library
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// Copyright (C) 2001 Doug Gregor (gregod@cs.rpi.edu)
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//
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// Permission to copy, use, sell and distribute this software is granted
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// provided this copyright notice appears in all copies.
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// Permission to modify the code and to distribute modified code is granted
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// provided this copyright notice appears in all copies, and a notice
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// that the code was modified is included with the copyright notice.
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//
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// This software is provided "as is" without express or implied warranty,
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// and with no claim as to its suitability for any purpose.
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// For more information, see http://www.boost.org
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#define BOOST_INCLUDE_MAIN
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#include <boost/test/test_tools.hpp>
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#include <boost/function.hpp>
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#include <functional>
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#include <cassert>
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#include <string>
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using namespace boost;
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using std::string;
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using std::negate;
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int global_int;
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struct write_five_obj { void operator()() const { global_int = 5; } };
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struct write_three_obj { int operator()() const { global_int = 3; return 7; }};
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static void write_five() { global_int = 5; }
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static void write_three() { global_int = 3; }
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struct generate_five_obj { int operator()() const { return 5; } };
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struct generate_three_obj { int operator()() const { return 3; } };
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static int generate_five() { return 5; }
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static int generate_three() { return 3; }
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static string identity_str(const string& s) { return s; }
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static string string_cat(const string& s1, const string& s2) { return s1+s2; }
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static int sum_ints(int x, int y) { return x+y; }
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struct write_const_1_nonconst_2
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{
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void operator()() { global_int = 2; }
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void operator()() const { global_int = 1; }
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};
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struct add_to_obj
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{
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add_to_obj(int v) : value(v) {}
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int operator()(int x) const { return value + x; }
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int value;
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};
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static void
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test_zero_args()
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{
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typedef function<void> func_void_type;
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write_five_obj five;
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write_three_obj three;
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// Default construction
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func_void_type v1;
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BOOST_TEST(v1.empty());
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// Assignment to an empty function
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v1 = five;
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BOOST_TEST(!v1.empty());
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// Invocation of a function
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global_int = 0;
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v1();
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BOOST_TEST(global_int == 5);
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// clear() method
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v1.clear();
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BOOST_TEST(v1.empty());
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// Assignment to an empty function
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v1 = three;
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BOOST_TEST(!v1.empty());
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// Invocation and self-assignment
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global_int = 0;
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v1 = v1;
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v1();
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BOOST_TEST(global_int == 3);
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// Assignment to a non-empty function
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v1 = five;
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// Invocation and self-assignment
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global_int = 0;
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v1 = (v1);
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v1();
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BOOST_TEST(global_int == 5);
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// clear()
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v1.clear();
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BOOST_TEST(v1.empty());
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// Assignment to an empty function from a free function
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v1 = BOOST_FUNCTION_TARGET_FIX(&) write_five;
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BOOST_TEST(!v1.empty());
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// Invocation
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global_int = 0;
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v1();
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BOOST_TEST(global_int == 5);
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// Assignment to a non-empty function from a free function
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v1 = BOOST_FUNCTION_TARGET_FIX(&) write_three;
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BOOST_TEST(!v1.empty());
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// Invocation
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global_int = 0;
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v1();
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BOOST_TEST(global_int == 3);
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// Assignment
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v1 = five;
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BOOST_TEST(!v1.empty());
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// Invocation
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global_int = 0;
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v1();
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BOOST_TEST(global_int == 5);
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// Assignment to a non-empty function from a free function
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v1 = &write_three;
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BOOST_TEST(!v1.empty());
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// Invocation
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global_int = 0;
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v1();
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BOOST_TEST(global_int == 3);
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// Construction from another function (that is empty)
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v1.clear();
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func_void_type v2(v1);
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BOOST_TEST(!v2? true : false);
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// Assignment to an empty function
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v2 = three;
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BOOST_TEST(!v2.empty());
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// Invocation
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global_int = 0;
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v2();
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BOOST_TEST(global_int == 3);
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// Assignment to a non-empty function
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v2 = (five);
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// Invocation
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global_int = 0;
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v2();
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BOOST_TEST(global_int == 5);
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v2.clear();
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BOOST_TEST(v2.empty());
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// Assignment to an empty function from a free function
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v2 = (BOOST_FUNCTION_TARGET_FIX(&) write_five);
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BOOST_TEST(v2? true : false);
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// Invocation
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global_int = 0;
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v2();
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BOOST_TEST(global_int == 5);
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// Assignment to a non-empty function from a free function
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v2 = BOOST_FUNCTION_TARGET_FIX(&) write_three;
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BOOST_TEST(!v2.empty());
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// Invocation
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global_int = 0;
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v2();
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BOOST_TEST(global_int == 3);
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// Swapping
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v1 = five;
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swap(v1, v2);
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v2();
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BOOST_TEST(global_int == 5);
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v1();
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BOOST_TEST(global_int == 3);
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swap(v1, v2);
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v1.clear();
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// Assignment
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v2 = five;
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BOOST_TEST(!v2.empty());
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// Invocation
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global_int = 0;
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v2();
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BOOST_TEST(global_int == 5);
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// Assignment to a non-empty function from a free function
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v2 = &write_three;
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BOOST_TEST(!v2.empty());
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// Invocation
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global_int = 0;
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v2();
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BOOST_TEST(global_int == 3);
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// Assignment to a function from an empty function
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v2 = v1;
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BOOST_TEST(v2.empty());
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// Assignment to a function from a function with a functor
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v1 = three;
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v2 = v1;
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BOOST_TEST(!v1.empty());
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BOOST_TEST(!v2.empty());
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// Invocation
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global_int = 0;
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v1();
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BOOST_TEST(global_int == 3);
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global_int = 0;
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v2();
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BOOST_TEST(global_int == 3);
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// Assign to a function from a function with a function
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v2 = BOOST_FUNCTION_TARGET_FIX(&) write_five;
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v1 = v2;
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BOOST_TEST(!v1.empty());
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BOOST_TEST(!v2.empty());
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global_int = 0;
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v1();
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BOOST_TEST(global_int == 5);
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global_int = 0;
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v2();
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BOOST_TEST(global_int == 5);
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// Construct a function given another function containing a function
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func_void_type v3(v1);
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// Invocation of a function
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global_int = 0;
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v3();
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BOOST_TEST(global_int == 5);
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// clear() method
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v3.clear();
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BOOST_TEST(!v3? true : false);
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// Assignment to an empty function
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v3 = three;
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BOOST_TEST(!v3.empty());
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// Invocation
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global_int = 0;
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v3();
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BOOST_TEST(global_int == 3);
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// Assignment to a non-empty function
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v3 = five;
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// Invocation
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global_int = 0;
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v3();
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BOOST_TEST(global_int == 5);
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// clear()
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v3.clear();
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BOOST_TEST(v3.empty());
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// Assignment to an empty function from a free function
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v3 = &write_five;
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BOOST_TEST(!v3.empty());
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// Invocation
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global_int = 0;
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v3();
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BOOST_TEST(global_int == 5);
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// Assignment to a non-empty function from a free function
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v3 = &write_three;
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BOOST_TEST(!v3.empty());
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// Invocation
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global_int = 0;
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v3();
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BOOST_TEST(global_int == 3);
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// Assignment
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v3 = five;
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BOOST_TEST(!v3.empty());
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// Invocation
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global_int = 0;
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v3();
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BOOST_TEST(global_int == 5);
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// Construction of a function from a function containing a functor
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func_void_type v4(v3);
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// Invocation of a function
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global_int = 0;
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v4();
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BOOST_TEST(global_int == 5);
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// clear() method
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v4.clear();
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BOOST_TEST(v4.empty());
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// Assignment to an empty function
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v4 = three;
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BOOST_TEST(!v4.empty());
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// Invocation
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global_int = 0;
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v4();
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BOOST_TEST(global_int == 3);
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// Assignment to a non-empty function
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v4 = five;
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// Invocation
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global_int = 0;
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v4();
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BOOST_TEST(global_int == 5);
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// clear()
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v4.clear();
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BOOST_TEST(v4.empty());
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// Assignment to an empty function from a free function
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v4 = &write_five;
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BOOST_TEST(!v4.empty());
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// Invocation
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global_int = 0;
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v4();
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BOOST_TEST(global_int == 5);
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// Assignment to a non-empty function from a free function
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v4 = &write_three;
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BOOST_TEST(!v4.empty());
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// Invocation
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global_int = 0;
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v4();
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BOOST_TEST(global_int == 3);
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// Assignment
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v4 = five;
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BOOST_TEST(!v4.empty());
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|
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// Invocation
|
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global_int = 0;
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v4();
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BOOST_TEST(global_int == 5);
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|
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// Construction of a function from a functor
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func_void_type v5(five);
|
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|
||||
// Invocation of a function
|
||||
global_int = 0;
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v5();
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BOOST_TEST(global_int == 5);
|
||||
|
||||
// clear() method
|
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v5.clear();
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BOOST_TEST(v5.empty());
|
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|
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// Assignment to an empty function
|
||||
v5 = three;
|
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BOOST_TEST(!v5.empty());
|
||||
|
||||
// Invocation
|
||||
global_int = 0;
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v5();
|
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BOOST_TEST(global_int == 3);
|
||||
|
||||
// Assignment to a non-empty function
|
||||
v5 = five;
|
||||
|
||||
// Invocation
|
||||
global_int = 0;
|
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v5();
|
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BOOST_TEST(global_int == 5);
|
||||
|
||||
// clear()
|
||||
v5.clear();
|
||||
BOOST_TEST(v5.empty());
|
||||
|
||||
// Assignment to an empty function from a free function
|
||||
v5 = &write_five;
|
||||
BOOST_TEST(!v5.empty());
|
||||
|
||||
// Invocation
|
||||
global_int = 0;
|
||||
v5();
|
||||
BOOST_TEST(global_int == 5);
|
||||
|
||||
// Assignment to a non-empty function from a free function
|
||||
v5 = &write_three;
|
||||
BOOST_TEST(!v5.empty());
|
||||
|
||||
// Invocation
|
||||
global_int = 0;
|
||||
v5();
|
||||
BOOST_TEST(global_int == 3);
|
||||
|
||||
// Assignment
|
||||
v5 = five;
|
||||
BOOST_TEST(!v5.empty());
|
||||
|
||||
// Invocation
|
||||
global_int = 0;
|
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v5();
|
||||
BOOST_TEST(global_int == 5);
|
||||
|
||||
// Construction of a function from a function
|
||||
func_void_type v6(&write_five);
|
||||
|
||||
// Invocation of a function
|
||||
global_int = 0;
|
||||
v6();
|
||||
BOOST_TEST(global_int == 5);
|
||||
|
||||
// clear() method
|
||||
v6.clear();
|
||||
BOOST_TEST(v6.empty());
|
||||
|
||||
// Assignment to an empty function
|
||||
v6 = three;
|
||||
BOOST_TEST(!v6.empty());
|
||||
|
||||
// Invocation
|
||||
global_int = 0;
|
||||
v6();
|
||||
BOOST_TEST(global_int == 3);
|
||||
|
||||
// Assignment to a non-empty function
|
||||
v6 = five;
|
||||
|
||||
// Invocation
|
||||
global_int = 0;
|
||||
v6();
|
||||
BOOST_TEST(global_int == 5);
|
||||
|
||||
// clear()
|
||||
v6.clear();
|
||||
BOOST_TEST(v6.empty());
|
||||
|
||||
// Assignment to an empty function from a free function
|
||||
v6 = &write_five;
|
||||
BOOST_TEST(!v6.empty());
|
||||
|
||||
// Invocation
|
||||
global_int = 0;
|
||||
v6();
|
||||
BOOST_TEST(global_int == 5);
|
||||
|
||||
// Assignment to a non-empty function from a free function
|
||||
v6 = &write_three;
|
||||
BOOST_TEST(!v6.empty());
|
||||
|
||||
// Invocation
|
||||
global_int = 0;
|
||||
v6();
|
||||
BOOST_TEST(global_int == 3);
|
||||
|
||||
// Assignment
|
||||
v6 = five;
|
||||
BOOST_TEST(!v6.empty());
|
||||
|
||||
// Invocation
|
||||
global_int = 0;
|
||||
v6();
|
||||
BOOST_TEST(global_int == 5);
|
||||
|
||||
// Const vs. non-const
|
||||
write_const_1_nonconst_2 one_or_two;
|
||||
const function<void> v7(one_or_two);
|
||||
function <void> v8(one_or_two);
|
||||
|
||||
global_int = 0;
|
||||
v7();
|
||||
BOOST_TEST(global_int == 2);
|
||||
|
||||
global_int = 0;
|
||||
v8();
|
||||
BOOST_TEST(global_int == 2);
|
||||
|
||||
// Test return values
|
||||
typedef function<int> func_int_type;
|
||||
generate_five_obj gen_five;
|
||||
generate_three_obj gen_three;
|
||||
|
||||
func_int_type i0(gen_five);
|
||||
|
||||
BOOST_TEST(i0() == 5);
|
||||
i0 = gen_three;
|
||||
BOOST_TEST(i0() == 3);
|
||||
i0 = &generate_five;
|
||||
BOOST_TEST(i0() == 5);
|
||||
i0 = &generate_three;
|
||||
BOOST_TEST(i0() == 3);
|
||||
BOOST_TEST(i0? true : false);
|
||||
i0.clear();
|
||||
BOOST_TEST(!i0? true : false);
|
||||
|
||||
// Test return values with compatible types
|
||||
typedef function<long> func_long_type;
|
||||
func_long_type i1(gen_five);
|
||||
|
||||
BOOST_TEST(i1() == 5);
|
||||
i1 = gen_three;
|
||||
BOOST_TEST(i1() == 3);
|
||||
i1 = &generate_five;
|
||||
BOOST_TEST(i1() == 5);
|
||||
i1 = &generate_three;
|
||||
BOOST_TEST(i1() == 3);
|
||||
BOOST_TEST(i1? true : false);
|
||||
i1.clear();
|
||||
BOOST_TEST(!i1? true : false);
|
||||
}
|
||||
|
||||
static void
|
||||
test_one_arg()
|
||||
{
|
||||
negate<int> neg;
|
||||
|
||||
function<int, int> f1(neg);
|
||||
BOOST_TEST(f1(5) == -5);
|
||||
|
||||
function<string, string> id(&identity_str);
|
||||
BOOST_TEST(id("str") == "str");
|
||||
|
||||
function<std::string, const char*> id2(&identity_str);
|
||||
BOOST_TEST(id2("foo") == "foo");
|
||||
|
||||
add_to_obj add_to(5);
|
||||
function<int, int> f2(add_to);
|
||||
BOOST_TEST(f2(3) == 8);
|
||||
|
||||
const function<int, int> cf2(add_to);
|
||||
BOOST_TEST(cf2(3) == 8);
|
||||
}
|
||||
|
||||
static void
|
||||
test_two_args()
|
||||
{
|
||||
function<string, const string&, const string&> cat(&string_cat);
|
||||
BOOST_TEST(cat("str", "ing") == "string");
|
||||
|
||||
function<int, short, short> sum(&sum_ints);
|
||||
BOOST_TEST(sum(2, 3) == 5);
|
||||
}
|
||||
|
||||
static void
|
||||
test_emptiness()
|
||||
{
|
||||
function<float> f1;
|
||||
BOOST_TEST(f1.empty());
|
||||
|
||||
function<float> f2;
|
||||
f2 = f1;
|
||||
BOOST_TEST(f2.empty());
|
||||
|
||||
function<double> f3;
|
||||
f3 = f2;
|
||||
BOOST_TEST(f3.empty());
|
||||
}
|
||||
|
||||
struct X {
|
||||
X(int v) : value(v) {}
|
||||
|
||||
int twice() const { return 2*value; }
|
||||
int plus(int v) { return value + v; }
|
||||
|
||||
int value;
|
||||
};
|
||||
|
||||
static void
|
||||
test_member_functions()
|
||||
{
|
||||
boost::function<int, X*> f1(&X::twice);
|
||||
|
||||
X one(1);
|
||||
X five(5);
|
||||
|
||||
BOOST_TEST(f1(&one) == 2);
|
||||
BOOST_TEST(f1(&five) == 10);
|
||||
|
||||
boost::function<int, X*> f1_2;
|
||||
f1_2 = &X::twice;
|
||||
|
||||
BOOST_TEST(f1_2(&one) == 2);
|
||||
BOOST_TEST(f1_2(&five) == 10);
|
||||
|
||||
boost::function<int, X&, int> f2(&X::plus);
|
||||
BOOST_TEST(f2(one, 3) == 4);
|
||||
BOOST_TEST(f2(five, 4) == 9);
|
||||
}
|
||||
|
||||
struct add_with_throw_on_copy {
|
||||
int operator()(int x, int y) const { return x+y; }
|
||||
|
||||
add_with_throw_on_copy() {}
|
||||
|
||||
add_with_throw_on_copy(const add_with_throw_on_copy&)
|
||||
{
|
||||
throw std::runtime_error("But this CAN'T throw");
|
||||
}
|
||||
|
||||
add_with_throw_on_copy& operator=(const add_with_throw_on_copy&)
|
||||
{
|
||||
throw std::runtime_error("But this CAN'T throw");
|
||||
}
|
||||
};
|
||||
|
||||
static void
|
||||
test_ref()
|
||||
{
|
||||
add_with_throw_on_copy atc;
|
||||
try {
|
||||
boost::function<int, int, int> f(ref(atc));
|
||||
BOOST_TEST(f(1, 3) == 4);
|
||||
}
|
||||
catch(std::runtime_error e) {
|
||||
BOOST_ERROR("Nonthrowing constructor threw an exception");
|
||||
}
|
||||
}
|
||||
|
||||
int test_main(int, char* [])
|
||||
{
|
||||
test_zero_args();
|
||||
test_one_arg();
|
||||
test_two_args();
|
||||
test_emptiness();
|
||||
test_member_functions();
|
||||
test_ref();
|
||||
|
||||
return 0;
|
||||
}
|
||||
16
test/function_30.cpp
Normal file
16
test/function_30.cpp
Normal file
@ -0,0 +1,16 @@
|
||||
// Make sure we don't try to redefine function2
|
||||
#include <boost/function/function2.hpp>
|
||||
|
||||
// Define all Boost.Function class templates up to 30 arguments
|
||||
#define BOOST_FUNCTION_MAX_ARGS 30
|
||||
#include <boost/function.hpp>
|
||||
|
||||
int main()
|
||||
{
|
||||
boost::function0<float> f0;
|
||||
|
||||
boost::function30<float, int, int, int, int, int, int, int, int, int, int,
|
||||
int, int, int, int, int, int, int, int, int, int,
|
||||
int, int, int, int, int, int, int, int, int, int> f30;
|
||||
return 0;
|
||||
}
|
||||
@ -481,7 +481,7 @@ test_zero_args()
|
||||
// Const vs. non-const
|
||||
write_const_1_nonconst_2 one_or_two;
|
||||
const function0<void> v7(one_or_two);
|
||||
function <void> v8(one_or_two);
|
||||
function0<void> v8(one_or_two);
|
||||
|
||||
global_int = 0;
|
||||
v7();
|
||||
|
||||
@ -1,60 +0,0 @@
|
||||
// Boost.Function library
|
||||
|
||||
// Copyright (C) 2001 Doug Gregor (gregod@cs.rpi.edu)
|
||||
//
|
||||
// Permission to copy, use, sell and distribute this software is granted
|
||||
// provided this copyright notice appears in all copies.
|
||||
// Permission to modify the code and to distribute modified code is granted
|
||||
// provided this copyright notice appears in all copies, and a notice
|
||||
// that the code was modified is included with the copyright notice.
|
||||
//
|
||||
// This software is provided "as is" without express or implied warranty,
|
||||
// and with no claim as to its suitability for any purpose.
|
||||
|
||||
// For more information, see http://www.boost.org
|
||||
|
||||
#define BOOST_INCLUDE_MAIN
|
||||
#include <boost/test/test_tools.hpp>
|
||||
#include <cassert>
|
||||
#include <functional>
|
||||
#include <boost/function.hpp>
|
||||
|
||||
struct id_mixin
|
||||
{
|
||||
id_mixin(const id_mixin& rhs) : id(rhs.id) {}
|
||||
id_mixin& operator=(const id_mixin& rhs){id = rhs.id; return *this;}
|
||||
id_mixin(int i = 0){ id = i;}
|
||||
int id;
|
||||
};
|
||||
|
||||
static int do_plus(int x, int y) { return x+y; }
|
||||
|
||||
typedef boost::function<int,int,int>::mixin<id_mixin>::type func;
|
||||
|
||||
int test_main(int, char*[])
|
||||
{
|
||||
func f(id_mixin(3));
|
||||
f = std::plus<int>();
|
||||
BOOST_TEST(f.id == 3);
|
||||
|
||||
f = &do_plus;
|
||||
BOOST_TEST(f.id == 3);
|
||||
|
||||
f.clear();
|
||||
f.id = 7;
|
||||
BOOST_TEST(f.id == 7);
|
||||
|
||||
func g(f);
|
||||
BOOST_TEST(g.id == 7);
|
||||
|
||||
f.id = 21;
|
||||
BOOST_TEST(f.id == 21);
|
||||
|
||||
boost::swap(f,g);
|
||||
BOOST_TEST(f.id == 7);
|
||||
BOOST_TEST(g.id == 21);
|
||||
|
||||
g = f;
|
||||
BOOST_TEST(g.id == 7);
|
||||
return 0;
|
||||
}
|
||||
@ -1,47 +0,0 @@
|
||||
// Boost.Function library
|
||||
|
||||
// Copyright (C) 2001 Doug Gregor (gregod@cs.rpi.edu)
|
||||
//
|
||||
// Permission to copy, use, sell and distribute this software is granted
|
||||
// provided this copyright notice appears in all copies.
|
||||
// Permission to modify the code and to distribute modified code is granted
|
||||
// provided this copyright notice appears in all copies, and a notice
|
||||
// that the code was modified is included with the copyright notice.
|
||||
//
|
||||
// This software is provided "as is" without express or implied warranty,
|
||||
// and with no claim as to its suitability for any purpose.
|
||||
|
||||
// For more information, see http://www.boost.org
|
||||
|
||||
#define BOOST_INCLUDE_MAIN
|
||||
#include <boost/test/test_tools.hpp>
|
||||
#include <cassert>
|
||||
#include <iostream>
|
||||
#include <functional>
|
||||
#include <boost/function.hpp>
|
||||
|
||||
using namespace std;
|
||||
using namespace boost;
|
||||
|
||||
struct counting_policy
|
||||
{
|
||||
static int count;
|
||||
|
||||
void precall(const function_base*) { count++; }
|
||||
void postcall(const function_base*) { count+=2; }
|
||||
};
|
||||
|
||||
int counting_policy::count = 0;
|
||||
|
||||
int
|
||||
test_main(int, char*[])
|
||||
{
|
||||
function<int, int, int>::policy<counting_policy>::type f;
|
||||
|
||||
f = plus<int>();
|
||||
|
||||
BOOST_TEST(5 == f(2,3));
|
||||
BOOST_TEST(counting_policy::count==3);
|
||||
|
||||
return 0;
|
||||
}
|
||||
Reference in New Issue
Block a user