From a71b033cf42491a5f76abbcaf5b6a232d500d0b0 Mon Sep 17 00:00:00 2001
From: Jeremy Siek <jeremy.siek@gmail.com>
Date: Tue, 4 Jun 2002 16:04:34 +0000
Subject: [PATCH] new file, brought over from a development branch of boost

[SVN r204]
---
 test/concept_tests.cpp | 73 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 test/concept_tests.cpp

diff --git a/test/concept_tests.cpp b/test/concept_tests.cpp
new file mode 100644
index 0000000..f75f311
--- /dev/null
+++ b/test/concept_tests.cpp
@@ -0,0 +1,73 @@
+#include <boost/iterator_concepts.hpp>
+#include <boost/operators.hpp>
+
+struct new_iterator
+  : public boost::iterator<std::random_access_iterator_tag, int>,
+    public boost::new_iterator_base
+{
+  typedef boost::random_access_traversal_tag traversal_category;
+  typedef boost::mutable_lvalue_iterator_tag return_category;
+
+  int& operator*() const { return *m_x; }
+  new_iterator& operator++() { return *this; }
+  new_iterator operator++(int) { return *this; }
+  new_iterator& operator--() { return *this; }
+  new_iterator operator--(int) { return *this; }
+  new_iterator& operator+=(std::ptrdiff_t) { return *this; }
+  new_iterator operator+(std::ptrdiff_t) { return *this; }
+  new_iterator& operator-=(std::ptrdiff_t) { return *this; }
+  std::ptrdiff_t operator-(const new_iterator&) const { return 0; }
+  new_iterator operator-(std::ptrdiff_t) const { return *this; }
+  bool operator==(const new_iterator&) const { return false; }
+  bool operator!=(const new_iterator&) const { return false; }
+  bool operator<(const new_iterator&) const { return false; }
+  int* m_x;
+};
+new_iterator operator+(std::ptrdiff_t, new_iterator x) { return x; }
+
+struct old_iterator
+  : public boost::iterator<std::random_access_iterator_tag, int>
+{
+  int& operator*() const { return *m_x; }
+  old_iterator& operator++() { return *this; }
+  old_iterator operator++(int) { return *this; }
+  old_iterator& operator--() { return *this; }
+  old_iterator operator--(int) { return *this; }
+  old_iterator& operator+=(std::ptrdiff_t) { return *this; }
+  old_iterator operator+(std::ptrdiff_t) { return *this; }
+  old_iterator& operator-=(std::ptrdiff_t) { return *this; }
+  old_iterator operator-(std::ptrdiff_t) const { return *this; }
+  std::ptrdiff_t operator-(const old_iterator&) const { return 0; }
+  bool operator==(const old_iterator&) const { return false; }
+  bool operator!=(const old_iterator&) const { return false; }
+  bool operator<(const old_iterator&) const { return false; }
+  int* m_x;
+};
+old_iterator operator+(std::ptrdiff_t, old_iterator x) { return x; }
+
+int
+main()
+{
+#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
+  boost::function_requires<
+    boost_concepts::MutableLvalueIteratorConcept<int*> >();
+  boost::function_requires<
+    boost_concepts::RandomAccessIteratorConcept<int*> >();
+
+  boost::function_requires<
+    boost_concepts::ConstantLvalueIteratorConcept<const int*> >();
+  boost::function_requires<
+    boost_concepts::RandomAccessIteratorConcept<const int*> >();
+#endif
+
+  boost::function_requires<
+    boost_concepts::MutableLvalueIteratorConcept<new_iterator> >();
+  boost::function_requires<
+    boost_concepts::RandomAccessIteratorConcept<new_iterator> >();
+
+  boost::function_requires<
+    boost_concepts::MutableLvalueIteratorConcept<old_iterator> >();
+  boost::function_requires<
+    boost_concepts::RandomAccessIteratorConcept<old_iterator> >();
+  return 0;
+}