work on transform_iterator and new generic iterator tests

[SVN r637]

test/transform_iterator_test.cpp

@@ -0,0 +1,58 @@
+//  (C) Copyright Jeremy Siek 2002. Permission to copy, use, modify,
+//  sell and distribute this software is granted provided this
+//  copyright notice appears in all copies. This software is provided
+//  "as is" without express or implied warranty, and with no claim as
+//  to its suitability for any purpose.
+
+//  Revision History
+//  28 Oct 2002   Jeremy Siek
+//       Updated for new iterator adaptors.
+//  08 Mar 2001   Jeremy Siek
+//       Moved test of transform iterator into its own file. It to
+//       to be in iterator_adaptor_test.cpp.
+
+#include <boost/config.hpp>
+#include <iostream>
+#include <algorithm>
+#include <boost/iterator/iterator_adaptors.hpp>
+#include <boost/iterator/new_iterator_tests.hpp>
+#include <boost/pending/iterator_tests.hpp>
+
+struct mult_functor {
+  typedef int result_type;
+  typedef int argument_type;
+  // Functors used with transform_iterator must be
+  // DefaultConstructible, as the transform_iterator must be
+  // DefaultConstructible to satisfy the requirements for
+  // TrivialIterator.
+  mult_functor() { }
+  mult_functor(int aa) : a(aa) { }
+  int operator()(int b) const { return a * b; }
+  int a;
+};
+
+int
+main()
+{
+  const int N = 10;
+
+  // Test transform_iterator
+  {
+    int x[N], y[N];
+    for (int k = 0; k < N; ++k)
+      x[k] = k;
+    std::copy(x, x + N, y);
+    
+    for (int k2 = 0; k2 < N; ++k2)
+      x[k2] = x[k2] * 2;
+    
+    typedef boost::transform_iterator<mult_functor, int*> iter_t;
+    iter_t i(y, mult_functor(2));
+    boost::input_iterator_test(i, x[0], x[1]);
+    boost::input_iterator_test(iter_t(&y[0], mult_functor(2)), x[0], x[1]);
+    
+    boost::random_access_readable_iterator_test(i, N, x);
+  }
+  std::cout << "test successful " << std::endl;
+  return 0;
+}