Rewrite factory and value_factory

- Support r-value arguments
- Use variadic templates for arbitrary arguments
- Support allocators that are final
- Support allocators that use fancy pointers
- Support environments with disabled exceptions
- Improve compilation times

factory/test/value_factory.cpp

@@ -1,29 +1,86 @@
-/*=============================================================================
-    Copyright (c) 2007 Tobias Schwinger
-  
-    Use modification and distribution are 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).
-==============================================================================*/
+/*
+Copyright 2007 Tobias Schwinger
 
+Copyright 2019 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
 #include <boost/functional/value_factory.hpp>
 #include <boost/core/lightweight_test.hpp>
 
-class sum 
-{
-    int val_sum;
-  public:
-    sum(int a, int b) : val_sum(a + b) { }
-    operator int() const { return this->val_sum; }
+class sum {
+public:
+    explicit sum(int i0 = 0, int i1 = 0, int i2 = 0, int i3 = 0,
+                 int i4 = 0, int i5 = 0, int i6 = 0, int i7 = 0,
+                 int i8 = 0, int i9 = 0)
+        : value_(i0 + i1 + i2 + i3 + i4 + i5 + i6 + i7 + i8 + i9) { }
+
+    int get() const {
+        return value_;
+    }
+
+private:
+    int value_;
 };
 
 int main()
 {
-    int one = 1, two = 2;
+    boost::value_factory<sum> x;
+    int a = 1;
+    int b = 2;
+    int c = 3;
+    int d = 4;
+    int e = 5;
+    int f = 6;
+    int g = 7;
+    int h = 8;
+    int i = 9;
+    int j = 10;
     {
-      sum instance( boost::value_factory< sum >()(one,two) );
-      BOOST_TEST(instance == 3);
+        sum s(x());
+        BOOST_TEST(s.get() == 0);
+    }
+    {
+        sum s(x(a));
+        BOOST_TEST(s.get() == 1);
+    }
+    {
+        sum s(x(a, b));
+        BOOST_TEST(s.get() == 3);
+    }
+    {
+        sum s(x(a, b, c));
+        BOOST_TEST(s.get() == 6);
+    }
+    {
+        sum s(x(a, b, c, d));
+        BOOST_TEST(s.get() == 10);
+    }
+    {
+        sum s(x(a, b, c, d, e));
+        BOOST_TEST(s.get() == 15);
+    }
+    {
+        sum s(x(a, b, c, d, e, f));
+        BOOST_TEST(s.get() == 21);
+    }
+    {
+        sum s(x(a, b, c, d, e, f, g));
+        BOOST_TEST(s.get() == 28);
+    }
+    {
+        sum s(x(a, b, c, d, e, f, g, h));
+        BOOST_TEST(s.get() == 36);
+    }
+    {
+        sum s(x(a, b, c, d, e, f, g, h, i));
+        BOOST_TEST(s.get() == 45);
+    }
+    {
+        sum s(x(a, b, c, d, e, f, g, h, i, j));
+        BOOST_TEST(s.get() == 55);
     }
     return boost::report_errors();
 }
-