Squashed 'third_party/boostorg/function/' content from commit feea196
Change-Id: Iaf916451dad887c577d5822d9cf181f90957e080
git-subtree-dir: third_party/boostorg/function
git-subtree-split: feea19660bcac246fc054f0a890415d01e884c4b
diff --git a/test/Jamfile.v2 b/test/Jamfile.v2
new file mode 100644
index 0000000..93d16b4
--- /dev/null
+++ b/test/Jamfile.v2
@@ -0,0 +1,75 @@
+# Function library
+
+# Copyright Douglas Gregor 2001-2003. Use, modification and
+# distribution is 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)
+
+# For more information, see http://www.boost.org/
+
+project
+ : requirements <toolset>msvc:<asynch-exceptions>on
+ : source-location $(BOOST_ROOT)
+ ;
+
+# bring in rules for testing
+import testing ;
+
+{
+
+ test-suite function
+ :
+ [ run libs/function/test/function_test.cpp : : : : lib_function_test ]
+
+ [ run libs/function/test/function_test.cpp : : : <rtti>off : lib_function_test_no_rtti ]
+
+ [ run libs/function/test/function_n_test.cpp : : : : ]
+
+ [ run libs/function/test/allocator_test.cpp ../../../libs/test/build//boost_test_exec_monitor : : : : ]
+
+ [ run libs/function/test/stateless_test.cpp ../../../libs/test/build//boost_test_exec_monitor : : : : ]
+
+ [ run libs/function/test/lambda_test.cpp ../../../libs/test/build//boost_test_exec_monitor : : : : ]
+
+ [ compile-fail libs/function/test/function_test_fail1.cpp : : : : ]
+
+ [ compile-fail libs/function/test/function_test_fail2.cpp : : : : ]
+
+ [ compile libs/function/test/function_30.cpp : : : : ]
+
+ [ compile libs/function/test/function_30_repeat.cpp : : : : ]
+
+ [ run libs/function/test/function_arith_cxx98.cpp : : : : ]
+
+ [ run libs/function/test/function_arith_portable.cpp : : : : ]
+
+ [ run libs/function/test/sum_avg_cxx98.cpp : : : : ]
+
+ [ run libs/function/test/sum_avg_portable.cpp : : : : ]
+
+ [ run libs/function/test/mem_fun_cxx98.cpp : : : : ]
+
+ [ run libs/function/test/mem_fun_portable.cpp : : : : ]
+
+ [ run libs/function/test/std_bind_cxx98.cpp : : : : ]
+
+ [ run libs/function/test/std_bind_portable.cpp : : : : ]
+
+ [ run libs/function/test/function_ref_cxx98.cpp : : : : ]
+
+ [ run libs/function/test/function_ref_portable.cpp : : : : ]
+
+ [ run libs/function/test/contains_test.cpp : : : : ]
+
+ [ run libs/function/test/contains2_test.cpp : : : : ]
+
+ [ run libs/function/test/nothrow_swap.cpp : : : : ]
+
+ [ run libs/function/test/rvalues_test.cpp : : : : ]
+
+ [ compile libs/function/test/function_typeof_test.cpp ]
+
+ [ run libs/function/test/result_arg_types_test.cpp ]
+ ;
+}
+
diff --git a/test/allocator_test.cpp b/test/allocator_test.cpp
new file mode 100644
index 0000000..3643b2b
--- /dev/null
+++ b/test/allocator_test.cpp
@@ -0,0 +1,137 @@
+// Boost.Function library
+
+// Copyright Douglas Gregor 2001-2003. Use, modification and
+// distribution is 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)
+
+// For more information, see http://www.boost.org
+
+#include <boost/test/minimal.hpp>
+#include <cassert>
+#include <functional>
+#include <boost/function.hpp>
+
+using namespace std;
+using namespace boost;
+
+static int alloc_count = 0;
+static int dealloc_count = 0;
+
+template<typename T>
+struct counting_allocator : public std::allocator<T>
+{
+ template<typename U>
+ struct rebind
+ {
+ typedef counting_allocator<U> other;
+ };
+
+ counting_allocator()
+ {
+ }
+
+ template<typename U>
+ counting_allocator( counting_allocator<U> )
+ {
+ }
+
+ T* allocate(std::size_t n)
+ {
+ alloc_count++;
+ return std::allocator<T>::allocate(n);
+ }
+
+ void deallocate(T* p, std::size_t n)
+ {
+ dealloc_count++;
+ std::allocator<T>::deallocate(p, n);
+ }
+};
+
+struct enable_small_object_optimization
+{
+};
+
+struct disable_small_object_optimization
+{
+ int unused_state_data[32];
+};
+
+template <typename base>
+struct plus_int: base
+{
+ int operator()(int x, int y) const { return x + y; }
+};
+
+static int do_minus(int x, int y) { return x-y; }
+
+template <typename base>
+struct DoNothing: base
+{
+ void operator()() const {}
+};
+
+static void do_nothing() {}
+
+int
+test_main(int, char*[])
+{
+ function2<int, int, int> f;
+ f.assign( plus_int<disable_small_object_optimization>(), counting_allocator<int>() );
+ f.clear();
+ BOOST_CHECK(alloc_count == 1);
+ BOOST_CHECK(dealloc_count == 1);
+ alloc_count = 0;
+ dealloc_count = 0;
+ f.assign( plus_int<enable_small_object_optimization>(), counting_allocator<int>() );
+ f.clear();
+ BOOST_CHECK(alloc_count == 0);
+ BOOST_CHECK(dealloc_count == 0);
+ f.assign( plus_int<disable_small_object_optimization>(), std::allocator<int>() );
+ f.clear();
+ f.assign( plus_int<enable_small_object_optimization>(), std::allocator<int>() );
+ f.clear();
+
+ alloc_count = 0;
+ dealloc_count = 0;
+ f.assign( &do_minus, counting_allocator<int>() );
+ f.clear();
+ BOOST_CHECK(alloc_count == 0);
+ BOOST_CHECK(dealloc_count == 0);
+ f.assign( &do_minus, std::allocator<int>() );
+ f.clear();
+
+ function0<void> fv;
+ alloc_count = 0;
+ dealloc_count = 0;
+ fv.assign( DoNothing<disable_small_object_optimization>(), counting_allocator<int>() );
+ fv.clear();
+ BOOST_CHECK(alloc_count == 1);
+ BOOST_CHECK(dealloc_count == 1);
+ alloc_count = 0;
+ dealloc_count = 0;
+ fv.assign( DoNothing<enable_small_object_optimization>(), counting_allocator<int>() );
+ fv.clear();
+ BOOST_CHECK(alloc_count == 0);
+ BOOST_CHECK(dealloc_count == 0);
+ fv.assign( DoNothing<disable_small_object_optimization>(), std::allocator<int>() );
+ fv.clear();
+ fv.assign( DoNothing<enable_small_object_optimization>(), std::allocator<int>() );
+ fv.clear();
+
+ alloc_count = 0;
+ dealloc_count = 0;
+ fv.assign( &do_nothing, counting_allocator<int>() );
+ fv.clear();
+ BOOST_CHECK(alloc_count == 0);
+ BOOST_CHECK(dealloc_count == 0);
+ fv.assign( &do_nothing, std::allocator<int>() );
+ fv.clear();
+
+ function0<void> fv2;
+ fv.assign(&do_nothing, std::allocator<int>() );
+ fv2.assign(fv, std::allocator<int>() );
+
+ return 0;
+}
diff --git a/test/contains2_test.cpp b/test/contains2_test.cpp
new file mode 100644
index 0000000..cf6d479
--- /dev/null
+++ b/test/contains2_test.cpp
@@ -0,0 +1,88 @@
+// Boost.Function library
+
+// Copyright Douglas Gregor 2004.
+// Copyright 2005 Peter Dimov
+
+// Use, modification and distribution is 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)
+
+#include <boost/function.hpp>
+#include <boost/detail/lightweight_test.hpp>
+
+static int forty_two()
+{
+ return 42;
+}
+
+struct Seventeen
+{
+ int operator()() const
+ {
+ return 17;
+ }
+};
+
+bool operator==(const Seventeen&, const Seventeen&)
+{
+ return true;
+}
+
+struct ReturnInt
+{
+ explicit ReturnInt(int value) : value(value)
+ {
+ }
+
+ int operator()() const
+ {
+ return value;
+ }
+
+ int value;
+};
+
+bool operator==(const ReturnInt& x, const ReturnInt& y)
+{
+ return x.value == y.value;
+}
+
+bool operator!=(const ReturnInt& x, const ReturnInt& y)
+{
+ return x.value != y.value;
+}
+
+int main()
+{
+ boost::function0<int> fn;
+
+ fn = &forty_two;
+
+ BOOST_TEST( fn() == 42 );
+
+ BOOST_TEST( fn.contains(&forty_two) );
+ BOOST_TEST( !fn.contains( Seventeen() ) );
+ BOOST_TEST( !fn.contains( ReturnInt(0) ) );
+ BOOST_TEST( !fn.contains( ReturnInt(12) ) );
+
+ fn = Seventeen();
+
+ BOOST_TEST( fn() == 17 );
+
+ BOOST_TEST( !fn.contains( &forty_two ) );
+ BOOST_TEST( fn.contains( Seventeen() ) );
+ BOOST_TEST( !fn.contains( ReturnInt(0) ) );
+ BOOST_TEST( !fn.contains( ReturnInt(12) ) );
+
+ fn = ReturnInt(12);
+
+ BOOST_TEST( fn() == 12 );
+
+ BOOST_TEST( !fn.contains( &forty_two ) );
+ BOOST_TEST( !fn.contains( Seventeen() ) );
+ BOOST_TEST( !fn.contains( ReturnInt(0) ) );
+ BOOST_TEST( fn.contains( ReturnInt(12) ) );
+
+ return boost::report_errors();
+}
diff --git a/test/contains_test.cpp b/test/contains_test.cpp
new file mode 100644
index 0000000..fa11559
--- /dev/null
+++ b/test/contains_test.cpp
@@ -0,0 +1,235 @@
+// Boost.Function library
+
+// Copyright Douglas Gregor 2004. Use, modification and
+// distribution is 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)
+
+#include <boost/test/minimal.hpp>
+#include <boost/function.hpp>
+#include <boost/ref.hpp>
+
+static int forty_two() { return 42; }
+
+struct Seventeen
+{
+ int operator()() const { return 17; }
+};
+
+struct ReturnInt
+{
+ explicit ReturnInt(int value) : value(value) {}
+
+ int operator()() const { return value; }
+
+ int value;
+};
+
+bool operator==(const ReturnInt& x, const ReturnInt& y)
+{ return x.value == y.value; }
+
+bool operator!=(const ReturnInt& x, const ReturnInt& y)
+{ return x.value != y.value; }
+
+namespace contain_test {
+
+struct ReturnIntFE
+{
+ explicit ReturnIntFE(int value) : value(value) {}
+
+ int operator()() const { return value; }
+
+ int value;
+};
+
+}
+
+#ifndef BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP
+
+namespace contain_test {
+# ifndef BOOST_NO_FUNCTION_TEMPLATE_ORDERING
+bool function_equal(const ReturnIntFE& x, const ReturnIntFE& y)
+{ return x.value == y.value; }
+# else
+bool function_equal_impl(const ReturnIntFE& x, const ReturnIntFE& y, int)
+{ return x.value == y.value; }
+# endif // #ifndef BOOST_NO_FUNCTION_TEMPLATE_ORDERING
+}
+#else // BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP
+namespace boost {
+# ifndef BOOST_NO_FUNCTION_TEMPLATE_ORDERING
+bool
+function_equal(const contain_test::ReturnIntFE& x,
+ const contain_test::ReturnIntFE& y)
+{ return x.value == y.value; }
+# else
+bool
+function_equal_impl(const contain_test::ReturnIntFE& x,
+ const contain_test::ReturnIntFE& y, int)
+{ return x.value == y.value; }
+# endif
+}
+#endif
+
+static void target_test()
+{
+ boost::function0<int> f;
+
+ f = &forty_two;
+ BOOST_CHECK(*f.target<int (*)()>() == &forty_two);
+ BOOST_CHECK(!f.target<Seventeen>());
+
+ f = Seventeen();
+ BOOST_CHECK(!f.target<int (*)()>());
+ BOOST_CHECK(f.target<Seventeen>());
+
+ Seventeen this_seventeen;
+ f = boost::ref(this_seventeen);
+ BOOST_CHECK(!f.target<int (*)()>());
+ BOOST_CHECK(f.target<Seventeen>());
+ BOOST_CHECK(f.target<Seventeen>() == &this_seventeen);
+
+ const Seventeen const_seventeen = this_seventeen;
+ f = boost::ref(const_seventeen);
+ BOOST_CHECK(!f.target<int (*)()>());
+ BOOST_CHECK(f.target<const Seventeen>());
+ BOOST_CHECK(f.target<const Seventeen>() == &const_seventeen);
+ BOOST_CHECK(f.target<const volatile Seventeen>());
+ BOOST_CHECK(!f.target<Seventeen>());
+ BOOST_CHECK(!f.target<volatile Seventeen>());
+}
+
+static void equal_test()
+{
+ boost::function0<int> f;
+
+ f = &forty_two;
+ BOOST_CHECK(f == &forty_two);
+ BOOST_CHECK(f != ReturnInt(17));
+#if !(defined(__GNUC__) && __GNUC__ == 3 && __GNUC_MINOR__ <= 3)
+ BOOST_CHECK(&forty_two == f);
+ BOOST_CHECK(ReturnInt(17) != f);
+#endif
+
+ BOOST_CHECK(f.contains(&forty_two));
+
+ f = ReturnInt(17);
+ BOOST_CHECK(f != &forty_two);
+ BOOST_CHECK(f == ReturnInt(17));
+ BOOST_CHECK(f != ReturnInt(16));
+#if !(defined(__GNUC__) && __GNUC__ == 3 && __GNUC_MINOR__ <= 3)
+ BOOST_CHECK(&forty_two != f);
+ BOOST_CHECK(ReturnInt(17) == f);
+ BOOST_CHECK(ReturnInt(16) != f);
+#endif
+
+ BOOST_CHECK(f.contains(ReturnInt(17)));
+
+ f = contain_test::ReturnIntFE(17);
+ BOOST_CHECK(f != &forty_two);
+ BOOST_CHECK(f == contain_test::ReturnIntFE(17));
+ BOOST_CHECK(f != contain_test::ReturnIntFE(16));
+#if !(defined(__GNUC__) && __GNUC__ == 3 && __GNUC_MINOR__ <= 3)
+ BOOST_CHECK(&forty_two != f);
+ BOOST_CHECK(contain_test::ReturnIntFE(17) == f);
+ BOOST_CHECK(contain_test::ReturnIntFE(16) != f);
+#endif
+
+ BOOST_CHECK(f.contains(contain_test::ReturnIntFE(17)));
+
+#if !defined(BOOST_FUNCTION_NO_FUNCTION_TYPE_SYNTAX)
+ boost::function<int(void)> g;
+
+ g = &forty_two;
+ BOOST_CHECK(g == &forty_two);
+ BOOST_CHECK(g != ReturnInt(17));
+# if !(defined(__GNUC__) && __GNUC__ == 3 && __GNUC_MINOR__ <= 3)
+ BOOST_CHECK(&forty_two == g);
+ BOOST_CHECK(ReturnInt(17) != g);
+# endif
+
+ g = ReturnInt(17);
+ BOOST_CHECK(g != &forty_two);
+ BOOST_CHECK(g == ReturnInt(17));
+ BOOST_CHECK(g != ReturnInt(16));
+# if !(defined(__GNUC__) && __GNUC__ == 3 && __GNUC_MINOR__ <= 3)
+ BOOST_CHECK(&forty_two != g);
+ BOOST_CHECK(ReturnInt(17) == g);
+ BOOST_CHECK(ReturnInt(16) != g);
+# endif
+#endif
+}
+
+static void ref_equal_test()
+{
+ {
+ ReturnInt ri(17);
+ boost::function0<int> f = boost::ref(ri);
+
+ // References and values are equal
+ BOOST_CHECK(f == boost::ref(ri));
+ BOOST_CHECK(f == ri);
+ BOOST_CHECK(boost::ref(ri) == f);
+ BOOST_CHECK(!(f != boost::ref(ri)));
+ BOOST_CHECK(!(f != ri));
+ BOOST_CHECK(!(boost::ref(ri) != f));
+#if !(defined(__GNUC__) && __GNUC__ == 3 && __GNUC_MINOR__ <= 3)
+ BOOST_CHECK(ri == f);
+ BOOST_CHECK(!(ri != f));
+#endif
+
+ // Values equal, references inequal
+ ReturnInt ri2(17);
+ BOOST_CHECK(f == ri2);
+ BOOST_CHECK(f != boost::ref(ri2));
+ BOOST_CHECK(boost::ref(ri2) != f);
+ BOOST_CHECK(!(f != ri2));
+ BOOST_CHECK(!(f == boost::ref(ri2)));
+ BOOST_CHECK(!(boost::ref(ri2) == f));
+#if !(defined(__GNUC__) && __GNUC__ == 3 && __GNUC_MINOR__ <= 3)
+ BOOST_CHECK(ri2 == f);
+ BOOST_CHECK(!(ri2 != f));
+#endif
+ }
+
+#if !defined(BOOST_FUNCTION_NO_FUNCTION_TYPE_SYNTAX)
+ {
+ ReturnInt ri(17);
+ boost::function<int(void)> f = boost::ref(ri);
+
+ // References and values are equal
+ BOOST_CHECK(f == boost::ref(ri));
+ BOOST_CHECK(f == ri);
+ BOOST_CHECK(boost::ref(ri) == f);
+ BOOST_CHECK(!(f != boost::ref(ri)));
+ BOOST_CHECK(!(f != ri));
+ BOOST_CHECK(!(boost::ref(ri) != f));
+# if !(defined(__GNUC__) && __GNUC__ == 3 && __GNUC_MINOR__ <= 3)
+ BOOST_CHECK(ri == f);
+ BOOST_CHECK(!(ri != f));
+# endif
+
+ // Values equal, references inequal
+ ReturnInt ri2(17);
+ BOOST_CHECK(f == ri2);
+ BOOST_CHECK(f != boost::ref(ri2));
+ BOOST_CHECK(boost::ref(ri2) != f);
+ BOOST_CHECK(!(f != ri2));
+ BOOST_CHECK(!(f == boost::ref(ri2)));
+ BOOST_CHECK(!(boost::ref(ri2) == f));
+# if !(defined(__GNUC__) && __GNUC__ == 3 && __GNUC_MINOR__ <= 3)
+ BOOST_CHECK(ri2 == f);
+ BOOST_CHECK(!(ri2 != f));
+# endif
+ }
+#endif
+}
+
+int test_main(int, char*[])
+{
+ target_test();
+ equal_test();
+ ref_equal_test();
+
+ return 0;
+}
diff --git a/test/function_30.cpp b/test/function_30.cpp
new file mode 100644
index 0000000..0b91b75
--- /dev/null
+++ b/test/function_30.cpp
@@ -0,0 +1,25 @@
+// Boost.Function library
+
+// Copyright Douglas Gregor 2002-2003. Use, modification and
+// distribution is 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)
+
+// For more information, see http://www.boost.org
+
+// 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;
+}
diff --git a/test/function_30_repeat.cpp b/test/function_30_repeat.cpp
new file mode 100644
index 0000000..b810706
--- /dev/null
+++ b/test/function_30_repeat.cpp
@@ -0,0 +1,35 @@
+// Boost.Function library
+
+// Copyright Douglas Gregor 2002-2003. Use, modification and
+// distribution is 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)
+
+// For more information, see http://www.boost.org
+
+// 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 20
+#include <boost/function.hpp>
+#undef BOOST_FUNCTION_MAX_ARGS
+#define BOOST_FUNCTION_MAX_ARGS 40
+#include <boost/function.hpp>
+#undef BOOST_FUNCTION_MAX_ARGS
+#define BOOST_FUNCTION_MAX_ARGS 25
+#include <boost/function.hpp>
+#undef BOOST_FUNCTION_MAX_ARGS
+#define BOOST_FUNCTION_MAX_ARGS 30
+#include <boost/function.hpp>
+#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;
+}
diff --git a/test/function_arith_cxx98.cpp b/test/function_arith_cxx98.cpp
new file mode 100644
index 0000000..4029764
--- /dev/null
+++ b/test/function_arith_cxx98.cpp
@@ -0,0 +1,34 @@
+// Function library
+
+// Copyright (C) 2001-2003 Douglas Gregor
+
+// Use, modification and distribution is 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)
+
+// For more information, see http://www.boost.org/
+
+
+#include <boost/function.hpp>
+#include <iostream>
+
+
+float mul_ints(int x, int y) { return ((float)x) * y; }
+struct int_div {
+ float operator()(int x, int y) const { return ((float)x)/y; };
+};
+
+int main()
+{
+ boost::function<float (int x, int y)> f;
+ f = int_div();
+ std::cout << f(5, 3) << std::endl;
+ if (f)
+ std::cout << f(5, 3) << std::endl;
+else
+ std::cout << "f has no target, so it is unsafe to call" << std::endl;
+ f = 0;
+ f = &mul_ints;
+
+ return 0;
+}
diff --git a/test/function_arith_portable.cpp b/test/function_arith_portable.cpp
new file mode 100644
index 0000000..24af62c
--- /dev/null
+++ b/test/function_arith_portable.cpp
@@ -0,0 +1,32 @@
+// Function library
+
+// Copyright (C) 2001-2003 Douglas Gregor
+
+// Use, modification and distribution is 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)
+
+// For more information, see http://www.boost.org/
+
+
+#include <boost/function.hpp>
+#include <iostream>
+
+float mul_ints(int x, int y) { return ((float)x) * y; }
+struct int_div {
+ float operator()(int x, int y) const { return ((float)x)/y; };
+};
+int main()
+{
+ boost::function2<float, int, int> f;
+ f = int_div();
+ std::cout << f(5, 3) << std::endl;
+ if (f)
+ std::cout << f(5, 3) << std::endl;
+else
+ std::cout << "f has no target, so it is unsafe to call" << std::endl;
+ f = 0;
+ f = &mul_ints;
+
+ return 0;
+}
diff --git a/test/function_n_test.cpp b/test/function_n_test.cpp
new file mode 100644
index 0000000..cdd7145
--- /dev/null
+++ b/test/function_n_test.cpp
@@ -0,0 +1,697 @@
+// Boost.Function library
+
+// Copyright Douglas Gregor 2001-2003. Use, modification and
+// distribution is 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)
+
+// For more information, see http://www.boost.org
+
+#include <boost/test/minimal.hpp>
+#include <boost/function.hpp>
+#include <functional>
+#include <cassert>
+#include <string>
+
+using namespace boost;
+using std::string;
+using std::negate;
+
+int global_int;
+
+struct write_five_obj { void operator()() const { global_int = 5; } };
+struct write_three_obj { int operator()() const { global_int = 3; return 7; }};
+static void write_five() { global_int = 5; }
+static void write_three() { global_int = 3; }
+struct generate_five_obj { int operator()() const { return 5; } };
+struct generate_three_obj { int operator()() const { return 3; } };
+static int generate_five() { return 5; }
+static int generate_three() { return 3; }
+static string identity_str(const string& s) { return s; }
+static string string_cat(const string& s1, const string& s2) { return s1+s2; }
+static int sum_ints(int x, int y) { return x+y; }
+
+struct write_const_1_nonconst_2
+{
+ void operator()() { global_int = 2; }
+ void operator()() const { global_int = 1; }
+};
+
+struct add_to_obj
+{
+ add_to_obj(int v) : value(v) {}
+
+ int operator()(int x) const { return value + x; }
+
+ int value;
+};
+
+static void
+test_zero_args()
+{
+ typedef function0<void> func_void_type;
+
+ write_five_obj five = write_five_obj(); // Initialization for Borland C++ 5.5
+ write_three_obj three = write_three_obj(); // Ditto
+
+ // Default construction
+ func_void_type v1;
+ BOOST_CHECK(v1.empty());
+
+ // Assignment to an empty function
+ v1 = five;
+ BOOST_CHECK(!v1.empty());
+
+ // Invocation of a function
+ global_int = 0;
+ v1();
+ BOOST_CHECK(global_int == 5);
+
+ // clear() method
+ v1.clear();
+ BOOST_CHECK(!v1);
+
+ // Assignment to an empty function
+ v1 = three;
+ BOOST_CHECK(!v1.empty());
+
+ // Invocation and self-assignment
+ global_int = 0;
+ v1 = v1;
+ v1();
+ BOOST_CHECK(global_int == 3);
+
+ // Assignment to a non-empty function
+ v1 = five;
+
+ // Invocation and self-assignment
+ global_int = 0;
+ v1 = (v1);
+ v1();
+ BOOST_CHECK(global_int == 5);
+
+ // clear
+ v1 = 0;
+ BOOST_CHECK(v1.empty());
+
+ // Assignment to an empty function from a free function
+ v1 = &write_five;
+ BOOST_CHECK(!v1.empty());
+
+ // Invocation
+ global_int = 0;
+ v1();
+ BOOST_CHECK(global_int == 5);
+
+ // Assignment to a non-empty function from a free function
+ v1 = &write_three;
+ BOOST_CHECK(!v1.empty());
+
+ // Invocation
+ global_int = 0;
+ v1();
+ BOOST_CHECK(global_int == 3);
+
+ // Assignment
+ v1 = five;
+ BOOST_CHECK(!v1.empty());
+
+ // Invocation
+ global_int = 0;
+ v1();
+ BOOST_CHECK(global_int == 5);
+
+ // Assignment to a non-empty function from a free function
+ v1 = write_three;
+ BOOST_CHECK(!v1.empty());
+
+ // Invocation
+ global_int = 0;
+ v1();
+ BOOST_CHECK(global_int == 3);
+
+ // Construction from another function (that is empty)
+ v1.clear();
+ func_void_type v2(v1);
+ BOOST_CHECK(!v2? true : false);
+
+ // Assignment to an empty function
+ v2 = three;
+ BOOST_CHECK(!v2.empty());
+
+ // Invocation
+ global_int = 0;
+ v2();
+ BOOST_CHECK(global_int == 3);
+
+ // Assignment to a non-empty function
+ v2 = (five);
+
+ // Invocation
+ global_int = 0;
+ v2();
+ BOOST_CHECK(global_int == 5);
+
+ v2.clear();
+ BOOST_CHECK(v2.empty());
+
+ // Assignment to an empty function from a free function
+ v2 = (&write_five);
+ BOOST_CHECK(v2? true : false);
+
+ // Invocation
+ global_int = 0;
+ v2();
+ BOOST_CHECK(global_int == 5);
+
+ // Assignment to a non-empty function from a free function
+ v2 = &write_three;
+ BOOST_CHECK(!v2.empty());
+
+ // Invocation
+ global_int = 0;
+ v2();
+ BOOST_CHECK(global_int == 3);
+
+ // Swapping
+ v1 = five;
+ swap(v1, v2);
+ v2();
+ BOOST_CHECK(global_int == 5);
+ v1();
+ BOOST_CHECK(global_int == 3);
+ swap(v1, v2);
+ v1.clear();
+
+ // Assignment
+ v2 = five;
+ BOOST_CHECK(!v2.empty());
+
+ // Invocation
+ global_int = 0;
+ v2();
+ BOOST_CHECK(global_int == 5);
+
+ // Assignment to a non-empty function from a free function
+ v2 = &write_three;
+ BOOST_CHECK(!v2.empty());
+
+ // Invocation
+ global_int = 0;
+ v2();
+ BOOST_CHECK(global_int == 3);
+
+ // Assignment to a function from an empty function
+ v2 = v1;
+ BOOST_CHECK(v2.empty());
+
+ // Assignment to a function from a function with a functor
+ v1 = three;
+ v2 = v1;
+ BOOST_CHECK(!v1.empty());
+ BOOST_CHECK(!v2.empty());
+
+ // Invocation
+ global_int = 0;
+ v1();
+ BOOST_CHECK(global_int == 3);
+ global_int = 0;
+ v2();
+ BOOST_CHECK(global_int == 3);
+
+ // Assign to a function from a function with a function
+ v2 = &write_five;
+ v1 = v2;
+ BOOST_CHECK(!v1.empty());
+ BOOST_CHECK(!v2.empty());
+ global_int = 0;
+ v1();
+ BOOST_CHECK(global_int == 5);
+ global_int = 0;
+ v2();
+ BOOST_CHECK(global_int == 5);
+
+ // Construct a function given another function containing a function
+ func_void_type v3(v1);
+
+ // Invocation of a function
+ global_int = 0;
+ v3();
+ BOOST_CHECK(global_int == 5);
+
+ // clear() method
+ v3.clear();
+ BOOST_CHECK(!v3? true : false);
+
+ // Assignment to an empty function
+ v3 = three;
+ BOOST_CHECK(!v3.empty());
+
+ // Invocation
+ global_int = 0;
+ v3();
+ BOOST_CHECK(global_int == 3);
+
+ // Assignment to a non-empty function
+ v3 = five;
+
+ // Invocation
+ global_int = 0;
+ v3();
+ BOOST_CHECK(global_int == 5);
+
+ // clear()
+ v3.clear();
+ BOOST_CHECK(v3.empty());
+
+ // Assignment to an empty function from a free function
+ v3 = &write_five;
+ BOOST_CHECK(!v3.empty());
+
+ // Invocation
+ global_int = 0;
+ v3();
+ BOOST_CHECK(global_int == 5);
+
+ // Assignment to a non-empty function from a free function
+ v3 = &write_three;
+ BOOST_CHECK(!v3.empty());
+
+ // Invocation
+ global_int = 0;
+ v3();
+ BOOST_CHECK(global_int == 3);
+
+ // Assignment
+ v3 = five;
+ BOOST_CHECK(!v3.empty());
+
+ // Invocation
+ global_int = 0;
+ v3();
+ BOOST_CHECK(global_int == 5);
+
+ // Construction of a function from a function containing a functor
+ func_void_type v4(v3);
+
+ // Invocation of a function
+ global_int = 0;
+ v4();
+ BOOST_CHECK(global_int == 5);
+
+ // clear() method
+ v4.clear();
+ BOOST_CHECK(v4.empty());
+
+ // Assignment to an empty function
+ v4 = three;
+ BOOST_CHECK(!v4.empty());
+
+ // Invocation
+ global_int = 0;
+ v4();
+ BOOST_CHECK(global_int == 3);
+
+ // Assignment to a non-empty function
+ v4 = five;
+
+ // Invocation
+ global_int = 0;
+ v4();
+ BOOST_CHECK(global_int == 5);
+
+ // clear()
+ v4.clear();
+ BOOST_CHECK(v4.empty());
+
+ // Assignment to an empty function from a free function
+ v4 = &write_five;
+ BOOST_CHECK(!v4.empty());
+
+ // Invocation
+ global_int = 0;
+ v4();
+ BOOST_CHECK(global_int == 5);
+
+ // Assignment to a non-empty function from a free function
+ v4 = &write_three;
+ BOOST_CHECK(!v4.empty());
+
+ // Invocation
+ global_int = 0;
+ v4();
+ BOOST_CHECK(global_int == 3);
+
+ // Assignment
+ v4 = five;
+ BOOST_CHECK(!v4.empty());
+
+ // Invocation
+ global_int = 0;
+ v4();
+ BOOST_CHECK(global_int == 5);
+
+ // Construction of a function from a functor
+ func_void_type v5(five);
+
+ // Invocation of a function
+ global_int = 0;
+ v5();
+ BOOST_CHECK(global_int == 5);
+
+ // clear() method
+ v5.clear();
+ BOOST_CHECK(v5.empty());
+
+ // Assignment to an empty function
+ v5 = three;
+ BOOST_CHECK(!v5.empty());
+
+ // Invocation
+ global_int = 0;
+ v5();
+ BOOST_CHECK(global_int == 3);
+
+ // Assignment to a non-empty function
+ v5 = five;
+
+ // Invocation
+ global_int = 0;
+ v5();
+ BOOST_CHECK(global_int == 5);
+
+ // clear()
+ v5.clear();
+ BOOST_CHECK(v5.empty());
+
+ // Assignment to an empty function from a free function
+ v5 = &write_five;
+ BOOST_CHECK(!v5.empty());
+
+ // Invocation
+ global_int = 0;
+ v5();
+ BOOST_CHECK(global_int == 5);
+
+ // Assignment to a non-empty function from a free function
+ v5 = &write_three;
+ BOOST_CHECK(!v5.empty());
+
+ // Invocation
+ global_int = 0;
+ v5();
+ BOOST_CHECK(global_int == 3);
+
+ // Assignment
+ v5 = five;
+ BOOST_CHECK(!v5.empty());
+
+ // Invocation
+ global_int = 0;
+ v5();
+ BOOST_CHECK(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_CHECK(global_int == 5);
+
+ // clear() method
+ v6.clear();
+ BOOST_CHECK(v6.empty());
+
+ // Assignment to an empty function
+ v6 = three;
+ BOOST_CHECK(!v6.empty());
+
+ // Invocation
+ global_int = 0;
+ v6();
+ BOOST_CHECK(global_int == 3);
+
+ // Assignment to a non-empty function
+ v6 = five;
+
+ // Invocation
+ global_int = 0;
+ v6();
+ BOOST_CHECK(global_int == 5);
+
+ // clear()
+ v6.clear();
+ BOOST_CHECK(v6.empty());
+
+ // Assignment to an empty function from a free function
+ v6 = &write_five;
+ BOOST_CHECK(!v6.empty());
+
+ // Invocation
+ global_int = 0;
+ v6();
+ BOOST_CHECK(global_int == 5);
+
+ // Assignment to a non-empty function from a free function
+ v6 = &write_three;
+ BOOST_CHECK(!v6.empty());
+
+ // Invocation
+ global_int = 0;
+ v6();
+ BOOST_CHECK(global_int == 3);
+
+ // Assignment
+ v6 = five;
+ BOOST_CHECK(!v6.empty());
+
+ // Invocation
+ global_int = 0;
+ v6();
+ BOOST_CHECK(global_int == 5);
+
+ // Const vs. non-const
+ // Initialization for Borland C++ 5.5
+ write_const_1_nonconst_2 one_or_two = write_const_1_nonconst_2();
+ const function0<void> v7(one_or_two);
+ function0<void> v8(one_or_two);
+
+ global_int = 0;
+ v7();
+ BOOST_CHECK(global_int == 2);
+
+ global_int = 0;
+ v8();
+ BOOST_CHECK(global_int == 2);
+
+ // Test construction from 0 and comparison to 0
+ func_void_type v9(0);
+ BOOST_CHECK(v9 == 0);
+# if !defined(__SUNPRO_CC) || __SUNPRO_CC > 0x540 || defined(BOOST_STRICT_CONFIG)
+ BOOST_CHECK(0 == v9);
+#else
+ BOOST_CHECK(v9.empty());
+#endif
+
+ // Test return values
+ typedef function0<int> func_int_type;
+ // Initialization for Borland C++ 5.5
+ generate_five_obj gen_five = generate_five_obj();
+ generate_three_obj gen_three = generate_three_obj();
+ func_int_type i0(gen_five);
+
+ BOOST_CHECK(i0() == 5);
+ i0 = gen_three;
+ BOOST_CHECK(i0() == 3);
+ i0 = &generate_five;
+ BOOST_CHECK(i0() == 5);
+ i0 = &generate_three;
+ BOOST_CHECK(i0() == 3);
+ BOOST_CHECK(i0? true : false);
+ i0.clear();
+ BOOST_CHECK(!i0? true : false);
+
+ // Test return values with compatible types
+ typedef function0<long> func_long_type;
+ func_long_type i1(gen_five);
+
+ BOOST_CHECK(i1() == 5);
+ i1 = gen_three;
+ BOOST_CHECK(i1() == 3);
+ i1 = &generate_five;
+ BOOST_CHECK(i1() == 5);
+ i1 = &generate_three;
+ BOOST_CHECK(i1() == 3);
+ BOOST_CHECK(i1? true : false);
+ i1.clear();
+ BOOST_CHECK(!i1? true : false);
+}
+
+static void
+test_one_arg()
+{
+ negate<int> neg = negate<int>(); // Initialization for Borland C++ 5.5
+
+ function1<int, int> f1(neg);
+ BOOST_CHECK(f1(5) == -5);
+
+ function1<string, string> id(&identity_str);
+ BOOST_CHECK(id("str") == "str");
+
+ function1<std::string, const char*> id2(&identity_str);
+ BOOST_CHECK(id2("foo") == "foo");
+
+ add_to_obj add_to(5);
+ function1<int, int> f2(add_to);
+ BOOST_CHECK(f2(3) == 8);
+
+ const function1<int, int> cf2(add_to);
+ BOOST_CHECK(cf2(3) == 8);
+}
+
+static void
+test_two_args()
+{
+ function2<string, const string&, const string&> cat(&string_cat);
+ BOOST_CHECK(cat("str", "ing") == "string");
+
+ function2<int, short, short> sum(&sum_ints);
+ BOOST_CHECK(sum(2, 3) == 5);
+}
+
+static void
+test_emptiness()
+{
+ function0<float> f1;
+ BOOST_CHECK(f1.empty());
+
+ function0<float> f2;
+ f2 = f1;
+ BOOST_CHECK(f2.empty());
+
+ function0<double> f3;
+ f3 = f2;
+ BOOST_CHECK(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::function1<int, X*> f1(&X::twice);
+
+ X one(1);
+ X five(5);
+
+ BOOST_CHECK(f1(&one) == 2);
+ BOOST_CHECK(f1(&five) == 10);
+
+ boost::function1<int, X*> f1_2;
+ f1_2 = &X::twice;
+
+ BOOST_CHECK(f1_2(&one) == 2);
+ BOOST_CHECK(f1_2(&five) == 10);
+
+ boost::function2<int, X&, int> f2(&X::plus);
+ BOOST_CHECK(f2(one, 3) == 4);
+ BOOST_CHECK(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::function2<int, int, int> f(ref(atc));
+ BOOST_CHECK(f(1, 3) == 4);
+ }
+ catch(std::runtime_error e) {
+ BOOST_ERROR("Nonthrowing constructor threw an exception");
+ }
+}
+
+static unsigned construction_count = 0;
+static unsigned destruction_count = 0;
+
+struct MySmallFunctor {
+ MySmallFunctor() { ++construction_count; }
+ MySmallFunctor(const MySmallFunctor &) { ++construction_count; }
+ ~MySmallFunctor() { ++destruction_count; }
+ int operator()() { return 0; }
+ };
+
+struct MyLargeFunctor {
+ MyLargeFunctor() { ++construction_count; }
+ MyLargeFunctor(const MyLargeFunctor &) { ++construction_count; }
+ ~MyLargeFunctor() { ++destruction_count; }
+ int operator()() { return 0; }
+
+ float data[128];
+ };
+
+void test_construct_destroy_count()
+{
+ {
+ boost::function0<int> f;
+ boost::function0<int> g;
+ f = MySmallFunctor();
+ g = MySmallFunctor();
+ f.swap(g);
+ }
+
+ // MySmallFunctor objects should be constructed as many times as
+ // they are destroyed.
+ BOOST_CHECK(construction_count == destruction_count);
+
+ construction_count = 0;
+ destruction_count = 0;
+ {
+ boost::function0<int> f;
+ boost::function0<int> g;
+ f = MyLargeFunctor();
+ g = MyLargeFunctor();
+ f.swap(g);
+ }
+
+ // MyLargeFunctor objects should be constructed as many times as
+ // they are destroyed.
+ BOOST_CHECK(construction_count == destruction_count);
+}
+
+int test_main(int, char* [])
+{
+ test_zero_args();
+ test_one_arg();
+ test_two_args();
+ test_emptiness();
+ test_member_functions();
+ test_ref();
+ test_construct_destroy_count();
+ return 0;
+}
diff --git a/test/function_ref_cxx98.cpp b/test/function_ref_cxx98.cpp
new file mode 100644
index 0000000..94f5ec3
--- /dev/null
+++ b/test/function_ref_cxx98.cpp
@@ -0,0 +1,27 @@
+// Function library
+
+// Copyright (C) 2001-2003 Douglas Gregor
+
+// Use, modification and distribution is 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)
+
+// For more information, see http://www.boost.org/
+
+
+#include <boost/function.hpp>
+#include <iostream>
+
+
+struct stateful_type { int operator()(int) const { return 0; } };
+
+int main()
+{
+ stateful_type a_function_object;
+ boost::function<int (int)> f;
+ f = boost::ref(a_function_object);
+
+ boost::function<int (int)> f2(f);
+
+ return 0;
+}
diff --git a/test/function_ref_portable.cpp b/test/function_ref_portable.cpp
new file mode 100644
index 0000000..35beb10
--- /dev/null
+++ b/test/function_ref_portable.cpp
@@ -0,0 +1,27 @@
+// Function library
+
+// Copyright (C) 2001-2003 Douglas Gregor
+
+// Use, modification and distribution is 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)
+
+// For more information, see http://www.boost.org/
+
+
+#include <boost/function.hpp>
+#include <iostream>
+
+
+struct stateful_type { int operator()(int) const { return 0; } };
+
+int main()
+{
+ stateful_type a_function_object;
+ boost::function1<int, int> f;
+ f = boost::ref(a_function_object);
+
+ boost::function1<int, int> f2(f);
+
+ return 0;
+}
diff --git a/test/function_test.cpp b/test/function_test.cpp
new file mode 100644
index 0000000..cce4365
--- /dev/null
+++ b/test/function_test.cpp
@@ -0,0 +1,811 @@
+// Boost.Function library
+
+// Copyright Douglas Gregor 2001-2003. Use, modification and
+// distribution is 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)
+
+// For more information, see http://www.boost.org
+
+#include <boost/test/minimal.hpp>
+#include <boost/function.hpp>
+#include <functional>
+#include <string>
+#include <utility>
+
+using boost::function;
+using std::string;
+
+int global_int;
+
+struct write_five_obj { void operator()() const { global_int = 5; } };
+struct write_three_obj { int operator()() const { global_int = 3; return 7; }};
+static void write_five() { global_int = 5; }
+static void write_three() { global_int = 3; }
+struct generate_five_obj { int operator()() const { return 5; } };
+struct generate_three_obj { int operator()() const { return 3; } };
+static int generate_five() { return 5; }
+static int generate_three() { return 3; }
+static string identity_str(const string& s) { return s; }
+static string string_cat(const string& s1, const string& s2) { return s1+s2; }
+static int sum_ints(int x, int y) { return x+y; }
+
+struct write_const_1_nonconst_2
+{
+ void operator()() { global_int = 2; }
+ void operator()() const { global_int = 1; }
+};
+
+struct add_to_obj
+{
+ add_to_obj(int v) : value(v) {}
+
+ int operator()(int x) const { return value + x; }
+
+ int value;
+};
+
+static void
+test_zero_args()
+{
+ typedef function<void ()> func_void_type;
+
+ write_five_obj five;
+ write_three_obj three;
+
+ // Default construction
+ func_void_type v1;
+ BOOST_CHECK(v1.empty());
+
+ // Assignment to an empty function
+ v1 = five;
+ BOOST_CHECK(v1 != 0);
+
+ // Invocation of a function
+ global_int = 0;
+ v1();
+ BOOST_CHECK(global_int == 5);
+
+ // clear() method
+ v1.clear();
+ BOOST_CHECK(v1 == 0);
+
+ // Assignment to an empty function
+ v1 = three;
+ BOOST_CHECK(!v1.empty());
+
+ // Invocation and self-assignment
+ global_int = 0;
+ v1 = v1;
+ v1();
+ BOOST_CHECK(global_int == 3);
+
+ // Assignment to a non-empty function
+ v1 = five;
+
+ // Invocation and self-assignment
+ global_int = 0;
+ v1 = (v1);
+ v1();
+ BOOST_CHECK(global_int == 5);
+
+ // clear
+ v1 = 0;
+ BOOST_CHECK(0 == v1);
+
+ // Assignment to an empty function from a free function
+ v1 = BOOST_FUNCTION_TARGET_FIX(&) write_five;
+ BOOST_CHECK(0 != v1);
+
+ // Invocation
+ global_int = 0;
+ v1();
+ BOOST_CHECK(global_int == 5);
+
+ // Assignment to a non-empty function from a free function
+ v1 = BOOST_FUNCTION_TARGET_FIX(&) write_three;
+ BOOST_CHECK(!v1.empty());
+
+ // Invocation
+ global_int = 0;
+ v1();
+ BOOST_CHECK(global_int == 3);
+
+ // Assignment
+ v1 = five;
+ BOOST_CHECK(!v1.empty());
+
+ // Invocation
+ global_int = 0;
+ v1();
+ BOOST_CHECK(global_int == 5);
+
+ // Assignment to a non-empty function from a free function
+ v1 = &write_three;
+ BOOST_CHECK(!v1.empty());
+
+ // Invocation
+ global_int = 0;
+ v1();
+ BOOST_CHECK(global_int == 3);
+
+ // Construction from another function (that is empty)
+ v1.clear();
+ func_void_type v2(v1);
+ BOOST_CHECK(!v2? true : false);
+
+ // Assignment to an empty function
+ v2 = three;
+ BOOST_CHECK(!v2.empty());
+
+ // Invocation
+ global_int = 0;
+ v2();
+ BOOST_CHECK(global_int == 3);
+
+ // Assignment to a non-empty function
+ v2 = (five);
+
+ // Invocation
+ global_int = 0;
+ v2();
+ BOOST_CHECK(global_int == 5);
+
+ v2.clear();
+ BOOST_CHECK(v2.empty());
+
+ // Assignment to an empty function from a free function
+ v2 = (BOOST_FUNCTION_TARGET_FIX(&) write_five);
+ BOOST_CHECK(v2? true : false);
+
+ // Invocation
+ global_int = 0;
+ v2();
+ BOOST_CHECK(global_int == 5);
+
+ // Assignment to a non-empty function from a free function
+ v2 = BOOST_FUNCTION_TARGET_FIX(&) write_three;
+ BOOST_CHECK(!v2.empty());
+
+ // Invocation
+ global_int = 0;
+ v2();
+ BOOST_CHECK(global_int == 3);
+
+ // Swapping
+ v1 = five;
+ swap(v1, v2);
+ v2();
+ BOOST_CHECK(global_int == 5);
+ v1();
+ BOOST_CHECK(global_int == 3);
+ swap(v1, v2);
+ v1.clear();
+
+ // Assignment
+ v2 = five;
+ BOOST_CHECK(!v2.empty());
+
+ // Invocation
+ global_int = 0;
+ v2();
+ BOOST_CHECK(global_int == 5);
+
+ // Assignment to a non-empty function from a free function
+ v2 = &write_three;
+ BOOST_CHECK(!v2.empty());
+
+ // Invocation
+ global_int = 0;
+ v2();
+ BOOST_CHECK(global_int == 3);
+
+ // Assignment to a function from an empty function
+ v2 = v1;
+ BOOST_CHECK(v2.empty());
+
+ // Assignment to a function from a function with a functor
+ v1 = three;
+ v2 = v1;
+ BOOST_CHECK(!v1.empty());
+ BOOST_CHECK(!v2.empty());
+
+ // Invocation
+ global_int = 0;
+ v1();
+ BOOST_CHECK(global_int == 3);
+ global_int = 0;
+ v2();
+ BOOST_CHECK(global_int == 3);
+
+ // Assign to a function from a function with a function
+ v2 = BOOST_FUNCTION_TARGET_FIX(&) write_five;
+ v1 = v2;
+ BOOST_CHECK(!v1.empty());
+ BOOST_CHECK(!v2.empty());
+ global_int = 0;
+ v1();
+ BOOST_CHECK(global_int == 5);
+ global_int = 0;
+ v2();
+ BOOST_CHECK(global_int == 5);
+
+ // Construct a function given another function containing a function
+ func_void_type v3(v1);
+
+ // Invocation of a function
+ global_int = 0;
+ v3();
+ BOOST_CHECK(global_int == 5);
+
+ // clear() method
+ v3.clear();
+ BOOST_CHECK(!v3? true : false);
+
+ // Assignment to an empty function
+ v3 = three;
+ BOOST_CHECK(!v3.empty());
+
+ // Invocation
+ global_int = 0;
+ v3();
+ BOOST_CHECK(global_int == 3);
+
+ // Assignment to a non-empty function
+ v3 = five;
+
+ // Invocation
+ global_int = 0;
+ v3();
+ BOOST_CHECK(global_int == 5);
+
+ // clear()
+ v3.clear();
+ BOOST_CHECK(v3.empty());
+
+ // Assignment to an empty function from a free function
+ v3 = &write_five;
+ BOOST_CHECK(!v3.empty());
+
+ // Invocation
+ global_int = 0;
+ v3();
+ BOOST_CHECK(global_int == 5);
+
+ // Assignment to a non-empty function from a free function
+ v3 = &write_three;
+ BOOST_CHECK(!v3.empty());
+
+ // Invocation
+ global_int = 0;
+ v3();
+ BOOST_CHECK(global_int == 3);
+
+ // Assignment
+ v3 = five;
+ BOOST_CHECK(!v3.empty());
+
+ // Invocation
+ global_int = 0;
+ v3();
+ BOOST_CHECK(global_int == 5);
+
+ // Construction of a function from a function containing a functor
+ func_void_type v4(v3);
+
+ // Invocation of a function
+ global_int = 0;
+ v4();
+ BOOST_CHECK(global_int == 5);
+
+ // clear() method
+ v4.clear();
+ BOOST_CHECK(v4.empty());
+
+ // Assignment to an empty function
+ v4 = three;
+ BOOST_CHECK(!v4.empty());
+
+ // Invocation
+ global_int = 0;
+ v4();
+ BOOST_CHECK(global_int == 3);
+
+ // Assignment to a non-empty function
+ v4 = five;
+
+ // Invocation
+ global_int = 0;
+ v4();
+ BOOST_CHECK(global_int == 5);
+
+ // clear()
+ v4.clear();
+ BOOST_CHECK(v4.empty());
+
+ // Assignment to an empty function from a free function
+ v4 = &write_five;
+ BOOST_CHECK(!v4.empty());
+
+ // Invocation
+ global_int = 0;
+ v4();
+ BOOST_CHECK(global_int == 5);
+
+ // Assignment to a non-empty function from a free function
+ v4 = &write_three;
+ BOOST_CHECK(!v4.empty());
+
+ // Invocation
+ global_int = 0;
+ v4();
+ BOOST_CHECK(global_int == 3);
+
+ // Assignment
+ v4 = five;
+ BOOST_CHECK(!v4.empty());
+
+ // Invocation
+ global_int = 0;
+ v4();
+ BOOST_CHECK(global_int == 5);
+
+ // Construction of a function from a functor
+ func_void_type v5(five);
+
+ // Invocation of a function
+ global_int = 0;
+ v5();
+ BOOST_CHECK(global_int == 5);
+
+ // clear() method
+ v5.clear();
+ BOOST_CHECK(v5.empty());
+
+ // Assignment to an empty function
+ v5 = three;
+ BOOST_CHECK(!v5.empty());
+
+ // Invocation
+ global_int = 0;
+ v5();
+ BOOST_CHECK(global_int == 3);
+
+ // Assignment to a non-empty function
+ v5 = five;
+
+ // Invocation
+ global_int = 0;
+ v5();
+ BOOST_CHECK(global_int == 5);
+
+ // clear()
+ v5.clear();
+ BOOST_CHECK(v5.empty());
+
+ // Assignment to an empty function from a free function
+ v5 = &write_five;
+ BOOST_CHECK(!v5.empty());
+
+ // Invocation
+ global_int = 0;
+ v5();
+ BOOST_CHECK(global_int == 5);
+
+ // Assignment to a non-empty function from a free function
+ v5 = &write_three;
+ BOOST_CHECK(!v5.empty());
+
+ // Invocation
+ global_int = 0;
+ v5();
+ BOOST_CHECK(global_int == 3);
+
+ // Assignment
+ v5 = five;
+ BOOST_CHECK(!v5.empty());
+
+ // Invocation
+ global_int = 0;
+ v5();
+ BOOST_CHECK(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_CHECK(global_int == 5);
+
+ // clear() method
+ v6.clear();
+ BOOST_CHECK(v6.empty());
+
+ // Assignment to an empty function
+ v6 = three;
+ BOOST_CHECK(!v6.empty());
+
+ // Invocation
+ global_int = 0;
+ v6();
+ BOOST_CHECK(global_int == 3);
+
+ // Assignment to a non-empty function
+ v6 = five;
+
+ // Invocation
+ global_int = 0;
+ v6();
+ BOOST_CHECK(global_int == 5);
+
+ // clear()
+ v6.clear();
+ BOOST_CHECK(v6.empty());
+
+ // Assignment to an empty function from a free function
+ v6 = &write_five;
+ BOOST_CHECK(!v6.empty());
+
+ // Invocation
+ global_int = 0;
+ v6();
+ BOOST_CHECK(global_int == 5);
+
+ // Assignment to a non-empty function from a free function
+ v6 = &write_three;
+ BOOST_CHECK(!v6.empty());
+
+ // Invocation
+ global_int = 0;
+ v6();
+ BOOST_CHECK(global_int == 3);
+
+ // Assignment
+ v6 = five;
+ BOOST_CHECK(!v6.empty());
+
+ // Invocation
+ global_int = 0;
+ v6();
+ BOOST_CHECK(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_CHECK(global_int == 2);
+
+ global_int = 0;
+ v8();
+ BOOST_CHECK(global_int == 2);
+
+ // Test construction from 0 and comparison to 0
+ func_void_type v9(0);
+ BOOST_CHECK(v9 == 0);
+ BOOST_CHECK(0 == v9);
+
+ // 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_CHECK(i0() == 5);
+ i0 = gen_three;
+ BOOST_CHECK(i0() == 3);
+ i0 = &generate_five;
+ BOOST_CHECK(i0() == 5);
+ i0 = &generate_three;
+ BOOST_CHECK(i0() == 3);
+ BOOST_CHECK(i0? true : false);
+ i0.clear();
+ BOOST_CHECK(!i0? true : false);
+
+ // Test return values with compatible types
+ typedef function<long ()> func_long_type;
+ func_long_type i1(gen_five);
+
+ BOOST_CHECK(i1() == 5);
+ i1 = gen_three;
+ BOOST_CHECK(i1() == 3);
+ i1 = &generate_five;
+ BOOST_CHECK(i1() == 5);
+ i1 = &generate_three;
+ BOOST_CHECK(i1() == 3);
+ BOOST_CHECK(i1? true : false);
+ i1.clear();
+ BOOST_CHECK(!i1? true : false);
+}
+
+static void
+test_one_arg()
+{
+ std::negate<int> neg;
+
+ function<int (int)> f1(neg);
+ BOOST_CHECK(f1(5) == -5);
+
+ function<string (string)> id(&identity_str);
+ BOOST_CHECK(id("str") == "str");
+
+ function<string (const char*)> id2(&identity_str);
+ BOOST_CHECK(id2("foo") == "foo");
+
+ add_to_obj add_to(5);
+ function<int (int)> f2(add_to);
+ BOOST_CHECK(f2(3) == 8);
+
+ const function<int (int)> cf2(add_to);
+ BOOST_CHECK(cf2(3) == 8);
+}
+
+static void
+test_two_args()
+{
+ function<string (const string&, const string&)> cat(&string_cat);
+ BOOST_CHECK(cat("str", "ing") == "string");
+
+ function<int (short, short)> sum(&sum_ints);
+ BOOST_CHECK(sum(2, 3) == 5);
+}
+
+static void
+test_emptiness()
+{
+ function<float ()> f1;
+ BOOST_CHECK(f1.empty());
+
+ function<float ()> f2;
+ f2 = f1;
+ BOOST_CHECK(f2.empty());
+
+ function<double ()> f3;
+ f3 = f2;
+ BOOST_CHECK(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_CHECK(f1(&one) == 2);
+ BOOST_CHECK(f1(&five) == 10);
+
+ boost::function<int (X*)> f1_2;
+ f1_2 = &X::twice;
+
+ BOOST_CHECK(f1_2(&one) == 2);
+ BOOST_CHECK(f1_2(&five) == 10);
+
+ boost::function<int (X&, int)> f2(&X::plus);
+ BOOST_CHECK(f2(one, 3) == 4);
+ BOOST_CHECK(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(boost::ref(atc));
+ BOOST_CHECK(f(1, 3) == 4);
+ }
+ catch(std::runtime_error e) {
+ BOOST_ERROR("Nonthrowing constructor threw an exception");
+ }
+}
+
+#if BOOST_WORKAROUND(BOOST_GCC, >= 70000 && BOOST_GCC < 80000) && __cplusplus >= 201700
+
+// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81311
+#pragma message("Skipping test_empty_ref on g++ 7 -std=c++17")
+
+static void test_empty_ref()
+{
+}
+
+#else
+
+static void dummy() {}
+
+static void test_empty_ref()
+{
+ boost::function<void()> f1;
+ boost::function<void()> f2(boost::ref(f1));
+
+ try {
+ f2();
+ BOOST_ERROR("Exception didn't throw for reference to empty function.");
+ }
+ catch(std::runtime_error e) {}
+
+ f1 = dummy;
+
+ try {
+ f2();
+ }
+ catch(std::runtime_error e) {
+ BOOST_ERROR("Error calling referenced function.");
+ }
+}
+
+#endif
+
+
+static void test_exception()
+{
+ boost::function<int (int, int)> f;
+ try {
+ f(5, 4);
+ BOOST_CHECK(false);
+ }
+ catch(boost::bad_function_call) {
+ // okay
+ }
+}
+
+typedef boost::function< void * (void * reader) > reader_type;
+typedef std::pair<int, reader_type> mapped_type;
+
+static void test_implicit()
+{
+ mapped_type m;
+ m = mapped_type();
+}
+
+static void test_call_obj(boost::function<int (int, int)> f)
+{
+ BOOST_CHECK(!f.empty());
+}
+
+static void test_call_cref(const boost::function<int (int, int)>& f)
+{
+ BOOST_CHECK(!f.empty());
+}
+
+static void test_call()
+{
+ test_call_obj(std::plus<int>());
+ test_call_cref(std::plus<int>());
+}
+
+struct big_aggregating_structure {
+ int disable_small_objects_optimizations[32];
+
+ big_aggregating_structure()
+ {
+ ++ global_int;
+ }
+
+ big_aggregating_structure(const big_aggregating_structure&)
+ {
+ ++ global_int;
+ }
+
+ ~big_aggregating_structure()
+ {
+ -- global_int;
+ }
+
+ void operator()()
+ {
+ ++ global_int;
+ }
+
+ void operator()(int)
+ {
+ ++ global_int;
+ }
+};
+
+template <class FunctionT>
+static void test_move_semantics()
+{
+ typedef FunctionT f1_type;
+
+ big_aggregating_structure obj;
+
+ f1_type f1 = obj;
+ global_int = 0;
+ f1();
+
+ BOOST_CHECK(!f1.empty());
+ BOOST_CHECK(global_int == 1);
+
+#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
+ // Testing rvalue constructors
+ f1_type f2(static_cast<f1_type&&>(f1));
+ BOOST_CHECK(f1.empty());
+ BOOST_CHECK(!f2.empty());
+ BOOST_CHECK(global_int == 1);
+ f2();
+ BOOST_CHECK(global_int == 2);
+
+ f1_type f3(static_cast<f1_type&&>(f2));
+ BOOST_CHECK(f1.empty());
+ BOOST_CHECK(f2.empty());
+ BOOST_CHECK(!f3.empty());
+ BOOST_CHECK(global_int == 2);
+ f3();
+ BOOST_CHECK(global_int == 3);
+
+ // Testing move assignment
+ f1_type f4;
+ BOOST_CHECK(f4.empty());
+ f4 = static_cast<f1_type&&>(f3);
+ BOOST_CHECK(f1.empty());
+ BOOST_CHECK(f2.empty());
+ BOOST_CHECK(f3.empty());
+ BOOST_CHECK(!f4.empty());
+ BOOST_CHECK(global_int == 3);
+ f4();
+ BOOST_CHECK(global_int == 4);
+
+ // Testing self move assignment
+ f4 = static_cast<f1_type&&>(f4);
+ BOOST_CHECK(!f4.empty());
+ BOOST_CHECK(global_int == 4);
+
+ // Testing, that no memory leaked when assigning to nonempty function
+ f4 = obj;
+ BOOST_CHECK(!f4.empty());
+ BOOST_CHECK(global_int == 4);
+ f1_type f5 = obj;
+ BOOST_CHECK(global_int == 5);
+ f4 = static_cast<f1_type&&>(f5);
+ BOOST_CHECK(global_int == 4);
+
+#endif
+}
+
+int test_main(int, char* [])
+{
+ test_zero_args();
+ test_one_arg();
+ test_two_args();
+ test_emptiness();
+ test_member_functions();
+ test_ref();
+ test_empty_ref();
+ test_exception();
+ test_implicit();
+ test_call();
+ test_move_semantics<function<void()> >();
+ test_move_semantics<boost::function0<void> >();
+
+ return 0;
+}
diff --git a/test/function_test_fail1.cpp b/test/function_test_fail1.cpp
new file mode 100644
index 0000000..99c599c
--- /dev/null
+++ b/test/function_test_fail1.cpp
@@ -0,0 +1,28 @@
+// Boost.Function library
+
+// Copyright (C) Douglas Gregor 2001-2005. Use, modification and
+// distribution is 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)
+
+// For more information, see http://www.boost.org
+
+#include <boost/test/minimal.hpp>
+#include <boost/function.hpp>
+
+using namespace std;
+using namespace boost;
+
+int
+test_main(int, char*[])
+{
+ function0<int> f1;
+ function0<int> f2;
+
+ if (f1 == f2) {
+ }
+
+ BOOST_ERROR("This should not have compiled.");
+
+ return 0;
+}
diff --git a/test/function_test_fail2.cpp b/test/function_test_fail2.cpp
new file mode 100644
index 0000000..57f2d22
--- /dev/null
+++ b/test/function_test_fail2.cpp
@@ -0,0 +1,27 @@
+// Boost.Function library
+
+// Copyright (C) Douglas Gregor 2001-2005. Use, modification and
+// distribution is 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)
+
+// For more information, see http://www.boost.org
+
+#include <boost/test/minimal.hpp>
+#include <boost/function.hpp>
+
+using namespace std;
+using namespace boost;
+
+static int bad_fn(float f) { return static_cast<int>(f); }
+
+int
+test_main(int, char*[])
+{
+ function0<int> f1;
+ f1 = bad_fn;
+
+ BOOST_ERROR("This should not have compiled.");
+
+ return 0;
+}
diff --git a/test/function_typeof_test.cpp b/test/function_typeof_test.cpp
new file mode 100644
index 0000000..2d77cab
--- /dev/null
+++ b/test/function_typeof_test.cpp
@@ -0,0 +1,18 @@
+// Boost.Function library
+
+// Copyright Douglas Gregor 2008. Use, modification and
+// distribution is 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)
+
+// For more information, see http://www.boost.org
+#include <boost/function/function_typeof.hpp>
+#include <boost/function.hpp>
+#include <boost/typeof/typeof.hpp>
+#include <boost/type_traits/is_same.hpp>
+#include <boost/static_assert.hpp>
+
+void f(boost::function0<void> f, boost::function0<void> g)
+{
+ BOOST_STATIC_ASSERT((boost::is_same<boost::function0<void>, BOOST_TYPEOF(f = g)>::value));
+}
diff --git a/test/lambda_test.cpp b/test/lambda_test.cpp
new file mode 100644
index 0000000..2abca54
--- /dev/null
+++ b/test/lambda_test.cpp
@@ -0,0 +1,38 @@
+// Boost.Function library
+
+// Copyright Douglas Gregor 2002-2003. Use, modification and
+// distribution is 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)
+
+// For more information, see http://www.boost.org
+
+#include <iostream>
+#include <cstdlib>
+
+#include <boost/test/minimal.hpp>
+#include <boost/lambda/lambda.hpp>
+#include <boost/lambda/bind.hpp>
+#include <boost/function.hpp>
+
+static unsigned
+func_impl(int arg1, bool arg2, double arg3)
+{
+ using namespace std;
+ return abs (static_cast<int>((arg2 ? arg1 : 2 * arg1) * arg3));
+}
+
+int test_main(int, char*[])
+{
+ using boost::function;
+ using namespace boost::lambda;
+
+ function <unsigned(bool, double)> f1 = bind(func_impl, 15, _1, _2);
+ function <unsigned(double)> f2 = boost::lambda::bind(f1, false, _1);
+ function <unsigned()> f3 = boost::lambda::bind(f2, 4.0);
+
+ f3();
+
+ return 0;
+}
+
diff --git a/test/mem_fun_cxx98.cpp b/test/mem_fun_cxx98.cpp
new file mode 100644
index 0000000..c289791
--- /dev/null
+++ b/test/mem_fun_cxx98.cpp
@@ -0,0 +1,45 @@
+// Function library
+
+// Copyright (C) 2001-2003 Douglas Gregor
+
+// Use, modification and distribution is 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)
+
+// For more information, see http://www.boost.org/
+
+
+#include <boost/function.hpp>
+#include <boost/detail/lightweight_test.hpp>
+#include <iostream>
+#include <functional>
+
+struct Y {
+ Y(int y = 0) : y_(y) {}
+ bool operator==(const Y& rhs) { return y_ == rhs.y_; }
+private:
+ int y_;
+ };
+
+struct X {
+ int foo(int);
+ Y& foo2(Y&) const;
+};
+int X::foo(int x) { return -x; }
+Y& X::foo2(Y& x) const { return x; }
+
+int main()
+{
+ boost::function<int (X*, int)> f;
+ boost::function<Y& (X*, Y&)> f2;
+ Y y1;
+
+ f = &X::foo;
+ f2 = &X::foo2;
+
+ X x;
+ BOOST_TEST(f(&x, 5) == -5);
+ BOOST_TEST(f2(&x, boost::ref(y1)) == y1);
+
+ return ::boost::report_errors();
+}
diff --git a/test/mem_fun_portable.cpp b/test/mem_fun_portable.cpp
new file mode 100644
index 0000000..0251339
--- /dev/null
+++ b/test/mem_fun_portable.cpp
@@ -0,0 +1,45 @@
+// Function library
+
+// Copyright (C) 2001-2003 Douglas Gregor
+
+// Use, modification and distribution is 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)
+
+// For more information, see http://www.boost.org/
+
+
+#include <boost/function.hpp>
+#include <boost/detail/lightweight_test.hpp>
+#include <iostream>
+#include <functional>
+
+struct Y {
+ Y(int y = 0) : y_(y) {}
+ bool operator==(const Y& rhs) { return y_ == rhs.y_; }
+private:
+ int y_;
+ };
+
+struct X {
+ int foo(int);
+ Y& foo2(Y&) const;
+};
+int X::foo(int x) { return -x; }
+Y& X::foo2(Y& x) const { return x; }
+
+int main()
+{
+ boost::function2<int, X*, int> f;
+ boost::function2<Y&, X*, Y&> f2;
+ Y y1;
+
+ f = &X::foo;
+ f2 = &X::foo2;
+
+ X x;
+ BOOST_TEST(f(&x, 5) == -5);
+ BOOST_TEST(f2(&x, boost::ref(y1)) == y1);
+
+ return ::boost::report_errors();
+}
diff --git a/test/nothrow_swap.cpp b/test/nothrow_swap.cpp
new file mode 100644
index 0000000..0a5b740
--- /dev/null
+++ b/test/nothrow_swap.cpp
@@ -0,0 +1,60 @@
+// Boost.Function library
+
+// Copyright Douglas Gregor 2008. Use, modification and
+// distribution is 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)
+
+// For more information, see http://www.boost.org
+
+#include <boost/test/minimal.hpp>
+#include <boost/function.hpp>
+
+struct tried_to_copy { };
+
+struct MaybeThrowOnCopy {
+ MaybeThrowOnCopy(int value = 0) : value(value) { }
+
+ MaybeThrowOnCopy(const MaybeThrowOnCopy& other) : value(other.value) {
+ if (throwOnCopy)
+ throw tried_to_copy();
+ }
+
+ MaybeThrowOnCopy& operator=(const MaybeThrowOnCopy& other) {
+ if (throwOnCopy)
+ throw tried_to_copy();
+ value = other.value;
+ return *this;
+ }
+
+ int operator()() { return value; }
+
+ int value;
+
+ // Make sure that this function object doesn't trigger the
+ // small-object optimization in Function.
+ float padding[100];
+
+ static bool throwOnCopy;
+};
+
+bool MaybeThrowOnCopy::throwOnCopy = false;
+
+int test_main(int, char* [])
+{
+ boost::function0<int> f;
+ boost::function0<int> g;
+
+ MaybeThrowOnCopy::throwOnCopy = false;
+ f = MaybeThrowOnCopy(1);
+ g = MaybeThrowOnCopy(2);
+ BOOST_CHECK(f() == 1);
+ BOOST_CHECK(g() == 2);
+
+ MaybeThrowOnCopy::throwOnCopy = true;
+ f.swap(g);
+ BOOST_CHECK(f() == 2);
+ BOOST_CHECK(g() == 1);
+
+ return 0;
+}
diff --git a/test/regression.cfg b/test/regression.cfg
new file mode 100644
index 0000000..7e44253
--- /dev/null
+++ b/test/regression.cfg
@@ -0,0 +1,14 @@
+// Boost.Function regression test configuration file
+
+// From the boost/status directory, run
+// ./regression --tests ../libs/function/test/regression.cfg -o function.html
+
+
+run libs/function/test/allocator_test.cpp
+run libs/function/test/function_n_test.cpp
+run libs/function/test/function_test.cpp
+compile-fail libs/function/test/function_test_fail1.cpp
+compile-fail libs/function/test/function_test_fail2.cpp
+run libs/function/test/mixin_test.cpp
+run libs/function/test/policy_test.cpp
+run libs/function/test/stateless_test.cpp
diff --git a/test/result_arg_types_test.cpp b/test/result_arg_types_test.cpp
new file mode 100644
index 0000000..33ccddc
--- /dev/null
+++ b/test/result_arg_types_test.cpp
@@ -0,0 +1,40 @@
+// Boost.Function library
+
+// Copyright 2016 Peter Dimov
+
+// Use, modification and distribution is 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)
+
+#include <boost/function.hpp>
+#include <boost/core/is_same.hpp>
+#include <boost/core/lightweight_test_trait.hpp>
+
+struct X
+{
+};
+
+struct Y
+{
+};
+
+struct Z
+{
+};
+
+int main()
+{
+ typedef boost::function<X(Y)> F1;
+
+ BOOST_TEST_TRAIT_TRUE(( boost::core::is_same<F1::result_type, X> ));
+ BOOST_TEST_TRAIT_TRUE(( boost::core::is_same<F1::argument_type, Y> ));
+
+ typedef boost::function<X(Y, Z)> F2;
+
+ BOOST_TEST_TRAIT_TRUE(( boost::core::is_same<F2::result_type, X> ));
+ BOOST_TEST_TRAIT_TRUE(( boost::core::is_same<F2::first_argument_type, Y> ));
+ BOOST_TEST_TRAIT_TRUE(( boost::core::is_same<F2::second_argument_type, Z> ));
+
+ return boost::report_errors();
+}
diff --git a/test/rvalues_test.cpp b/test/rvalues_test.cpp
new file mode 100644
index 0000000..977f4ba
--- /dev/null
+++ b/test/rvalues_test.cpp
@@ -0,0 +1,106 @@
+// Copyright 2014 Antony Polukhin.
+//
+// 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)
+
+// For more information, see http://www.boost.org
+
+#include <iostream>
+#include <cstdlib>
+
+#include <boost/test/minimal.hpp>
+#include <boost/function.hpp>
+#include <boost/move/move.hpp>
+
+class only_movable {
+private:
+ BOOST_MOVABLE_BUT_NOT_COPYABLE(only_movable)
+ int value_;
+ bool moved_;
+
+public:
+ only_movable(BOOST_RV_REF(only_movable) x)
+ : value_(x.value_)
+ , moved_(false)
+ {
+ x.moved_ = true;
+ }
+
+ only_movable& operator=(BOOST_RV_REF(only_movable) x) {
+ value_ = x.value_;
+ x.moved_ = true;
+ moved_ = false;
+ return *this;
+ }
+
+ explicit only_movable(int value = 0) : value_(value), moved_(false) {}
+ int get_value() const { return value_; }
+ bool is_moved() const { return moved_; }
+};
+
+
+int one(BOOST_RV_REF(only_movable) v) { return v.get_value(); }
+only_movable two(BOOST_RV_REF(only_movable) t) {
+ only_movable t1 = boost::move(t);
+ return BOOST_MOVE_RET(only_movable, t1);
+}
+
+only_movable two_sum(BOOST_RV_REF(only_movable) t1, BOOST_RV_REF(only_movable) t2) {
+ only_movable ret(t1.get_value() + t2.get_value());
+ return BOOST_MOVE_RET(only_movable, ret);
+}
+
+struct sum_struct {
+ only_movable operator()(BOOST_RV_REF(only_movable) t1, BOOST_RV_REF(only_movable) t2) const {
+ only_movable ret(t1.get_value() + t2.get_value());
+ return BOOST_MOVE_RET(only_movable, ret);
+ }
+};
+
+#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
+int three(std::string&&) { return 1; }
+std::string&& four(std::string&& s) { return boost::move(s); }
+#endif
+
+int test_main(int, char*[])
+{
+ using boost::function;
+
+ function <int(BOOST_RV_REF(only_movable))> f1 = one;
+
+ only_movable om1(1);
+ BOOST_CHECK(f1(boost::move(om1)) == 1);
+
+ function <only_movable(BOOST_RV_REF(only_movable))> f2 = two;
+
+ only_movable om2(2);
+ only_movable om2_2 = f2(boost::move(om2));
+ BOOST_CHECK(om2_2.get_value() == 2);
+ BOOST_CHECK(om2.is_moved());
+
+ {
+ function <only_movable(BOOST_RV_REF(only_movable), BOOST_RV_REF(only_movable))> f2_sum = two_sum;
+ only_movable om1_sum(1), om2_sum(2);
+ only_movable om2_sum_2 = f2_sum(boost::move(om1_sum), boost::move(om2_sum));
+ BOOST_CHECK(om2_sum_2.get_value() == 3);
+ }
+
+ {
+ sum_struct s;
+ function <only_movable(BOOST_RV_REF(only_movable), BOOST_RV_REF(only_movable))> f2_sum = s;
+ only_movable om1_sum(1), om2_sum(2);
+ only_movable om2_sum_2 = f2_sum(boost::move(om1_sum), boost::move(om2_sum));
+ BOOST_CHECK(om2_sum_2.get_value() == 3);
+ }
+
+#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
+ function <int(std::string&&)> f3 = three;
+ function <std::string&& (std::string&& s)> f4 = four;
+
+ f3(std::string("Hello"));
+ BOOST_CHECK(f4(std::string("world")) == "world");
+#endif
+
+ return 0;
+}
diff --git a/test/stateless_test.cpp b/test/stateless_test.cpp
new file mode 100644
index 0000000..3bc9e45
--- /dev/null
+++ b/test/stateless_test.cpp
@@ -0,0 +1,38 @@
+// Boost.Function library
+
+// Copyright Douglas Gregor 2001-2003. Use, modification and
+// distribution is 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)
+
+// For more information, see http://www.boost.org
+
+#include <boost/test/minimal.hpp>
+#include <boost/function.hpp>
+#include <stdexcept>
+
+struct stateless_integer_add {
+ int operator()(int x, int y) const { return x+y; }
+
+ void* operator new(std::size_t)
+ {
+ throw std::runtime_error("Cannot allocate a stateless_integer_add");
+ }
+
+ void* operator new(std::size_t, void* p)
+ {
+ return p;
+ }
+
+ void operator delete(void*) throw()
+ {
+ }
+};
+
+int test_main(int, char*[])
+{
+ boost::function2<int, int, int> f;
+ f = stateless_integer_add();
+
+ return 0;
+}
diff --git a/test/std_bind_cxx98.cpp b/test/std_bind_cxx98.cpp
new file mode 100644
index 0000000..d23fab1
--- /dev/null
+++ b/test/std_bind_cxx98.cpp
@@ -0,0 +1,31 @@
+// Function library
+
+// Copyright (C) 2001-2003 Douglas Gregor
+
+// Use, modification and distribution is 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)
+
+// For more information, see http://www.boost.org/
+
+
+#include <boost/function.hpp>
+#include <iostream>
+#include <functional>
+
+struct X {
+ int foo(int);
+};
+int X::foo(int x) { return -x; }
+
+int main()
+{
+#ifndef BOOST_NO_CXX98_BINDERS
+ boost::function<int (int)> f;
+ X x;
+ f = std::bind1st(
+ std::mem_fun(&X::foo), &x);
+ f(5); // Call x.foo(5)
+#endif
+ return 0;
+}
diff --git a/test/std_bind_portable.cpp b/test/std_bind_portable.cpp
new file mode 100644
index 0000000..1bfdbc2
--- /dev/null
+++ b/test/std_bind_portable.cpp
@@ -0,0 +1,31 @@
+// Function library
+
+// Copyright (C) 2001-2003 Douglas Gregor
+
+// Use, modification and distribution is 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)
+
+// For more information, see http://www.boost.org/
+
+
+#include <boost/function.hpp>
+#include <iostream>
+#include <functional>
+
+struct X {
+ int foo(int);
+};
+int X::foo(int x) { return -x; }
+
+int main()
+{
+#ifndef BOOST_NO_CXX98_BINDERS
+ boost::function1<int, int> f;
+ X x;
+ f = std::bind1st(
+ std::mem_fun(&X::foo), &x);
+ f(5); // Call x.foo(5)
+#endif
+ return 0;
+}
diff --git a/test/sum_avg_cxx98.cpp b/test/sum_avg_cxx98.cpp
new file mode 100644
index 0000000..1bf2dcb
--- /dev/null
+++ b/test/sum_avg_cxx98.cpp
@@ -0,0 +1,28 @@
+// Function library
+
+// Copyright (C) 2001-2003 Douglas Gregor
+
+// Use, modification and distribution is 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)
+
+// For more information, see http://www.boost.org/
+
+
+#include <boost/function.hpp>
+#include <iostream>
+
+void do_sum_avg(int values[], int n, int& sum, float& avg)
+{
+ sum = 0;
+ for (int i = 0; i < n; i++)
+ sum += values[i];
+ avg = (float)sum / n;
+}
+int main()
+{
+ boost::function<void (int values[], int n, int& sum, float& avg)> sum_avg;
+ sum_avg = &do_sum_avg;
+
+ return 0;
+}
diff --git a/test/sum_avg_portable.cpp b/test/sum_avg_portable.cpp
new file mode 100644
index 0000000..d1687e3
--- /dev/null
+++ b/test/sum_avg_portable.cpp
@@ -0,0 +1,28 @@
+// Function library
+
+// Copyright (C) 2001-2003 Douglas Gregor
+
+// Use, modification and distribution is 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)
+
+// For more information, see http://www.boost.org/
+
+
+#include <boost/function.hpp>
+#include <iostream>
+
+void do_sum_avg(int values[], int n, int& sum, float& avg)
+{
+ sum = 0;
+ for (int i = 0; i < n; i++)
+ sum += values[i];
+ avg = (float)sum / n;
+}
+int main()
+{
+ boost::function4<void, int*, int, int&, float&> sum_avg;
+ sum_avg = &do_sum_avg;
+
+ return 0;
+}