Add test for a function+bind regression reported by Marcel Raad

test/Jamfile.v2

@@ -47,4 +47,5 @@ test-suite "bind"
       [ run bind_eq3_test.cpp ]
       [ run protect_test.cpp ]
       [ run mem_fn_unary_addr_test.cpp ]
+      [ run bind_function2_test.cpp ]
     ;

test/bind_function2_test.cpp

@@ -0,0 +1,118 @@
+#include <boost/config.hpp>
+
+//
+//  bind_function2_test.cpp - regression test
+//
+//  Copyright (c) 2015 Peter Dimov
+//
+//  Distributed under the Boost Software License, Version 1.0.
+//  See  accompanying file LICENSE_1_0.txt or copy at
+//  http://www.boost.org/LICENSE_1_0.txt
+//
+
+#include <boost/bind.hpp>
+#include <boost/function.hpp>
+#include <boost/detail/lightweight_test.hpp>
+
+//
+
+void fv1( int & a )
+{
+    a = 17041;
+}
+
+void fv2( int & a, int b )
+{
+    a = b;
+}
+
+void fv3( int & a, int b, int c )
+{
+    a = b + c;
+}
+
+void fv4( int & a, int b, int c, int d )
+{
+    a = b + c + d;
+}
+
+void fv5( int & a, int b, int c, int d, int e )
+{
+    a = b + c + d + e;
+}
+
+void fv6( int & a, int b, int c, int d, int e, int f )
+{
+    a = b + c + d + e + f;
+}
+
+void fv7( int & a, int b, int c, int d, int e, int f, int g )
+{
+    a = b + c + d + e + f + g;
+}
+
+void fv8( int & a, int b, int c, int d, int e, int f, int g, int h )
+{
+    a = b + c + d + e + f + g + h;
+}
+
+void fv9( int & a, int b, int c, int d, int e, int f, int g, int h, int i )
+{
+    a = b + c + d + e + f + g + h + i;
+}
+
+void function_test()
+{
+    int x = 0;
+
+    {
+        boost::function<void(int&)> fw1 = boost::bind( fv1, _1 );
+        fw1( x ); BOOST_TEST( x == 17041 );
+    }
+
+    {
+        boost::function<void(int&, int)> fw2 = boost::bind( fv2, _1, _2 );
+        fw2( x, 1 ); BOOST_TEST( x == 1 );
+    }
+
+    {
+        boost::function<void(int&, int, int)> fw3 = boost::bind( fv3, _1, _2, _3 );
+        fw3( x, 1, 2 ); BOOST_TEST( x == 1+2 );
+    }
+
+    {
+        boost::function<void(int&, int, int, int)> fw4 = boost::bind( fv4, _1, _2, _3, _4 );
+        fw4( x, 1, 2, 3 ); BOOST_TEST( x == 1+2+3 );
+    }
+
+    {
+        boost::function<void(int&, int, int, int, int)> fw5 = boost::bind( fv5, _1, _2, _3, _4, _5 );
+        fw5( x, 1, 2, 3, 4 ); BOOST_TEST( x == 1+2+3+4 );
+    }
+
+    {
+        boost::function<void(int&, int, int, int, int, int)> fw6 = boost::bind( fv6, _1, _2, _3, _4, _5, _6 );
+        fw6( x, 1, 2, 3, 4, 5 ); BOOST_TEST( x == 1+2+3+4+5 );
+    }
+
+    {
+        boost::function<void(int&, int, int, int, int, int, int)> fw7 = boost::bind( fv7, _1, _2, _3, _4, _5, _6, _7 );
+        fw7( x, 1, 2, 3, 4, 5, 6 ); BOOST_TEST( x == 1+2+3+4+5+6 );
+    }
+
+    {
+        boost::function<void(int&, int, int, int, int, int, int, int)> fw8 = boost::bind( fv8, _1, _2, _3, _4, _5, _6, _7, _8 );
+        fw8( x, 1, 2, 3, 4, 5, 6, 7 ); BOOST_TEST( x == 1+2+3+4+5+6+7 );
+    }
+
+    {
+        boost::function<void(int&, int, int, int, int, int, int, int, int)> fw9 = boost::bind( fv9, _1, _2, _3, _4, _5, _6, _7, _8, _9 );
+        fw9( x, 1, 2, 3, 4, 5, 6, 7, 8 ); BOOST_TEST( x == 1+2+3+4+5+6+7+8 );
+    }
+}
+
+int main()
+{
+    function_test();
+    return boost::report_errors();
+}