From f682bff3a72dee9e3645210002d2a5ccc884e324 Mon Sep 17 00:00:00 2001
From: Antony Polukhin <antoshkka@gmail.com>
Date: Sun, 11 Nov 2012 08:59:36 +0000
Subject: [PATCH] Simplify `test_getting_pointer_to_function` to don't deal
 with compilers bugs and just test that getting pointer to lexical_cast<T1,
 T2> is not ambiguous

[SVN r81294]
---
 lexical_cast_test.cpp | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/lexical_cast_test.cpp b/lexical_cast_test.cpp
index 87b8ea8..6ac4d9b 100644
--- a/lexical_cast_test.cpp
+++ b/lexical_cast_test.cpp
@@ -607,17 +607,21 @@ void test_char32_conversions()
 }
 #endif
 
-template <class To, class From, class Func>
-To try_cast_by_ptr(const From& from, Func f) {
-    return f(from);
-};
-
 void test_getting_pointer_to_function()
 {
     // Just checking that &lexical_cast<To, From> is not ambiguous
-    BOOST_CHECK_EQUAL(100, try_cast_by_ptr<int>("100", &boost::lexical_cast<int, const char[4]>));
-    BOOST_CHECK_EQUAL(100, try_cast_by_ptr<int>("100", &boost::lexical_cast<int, std::string>));
-    BOOST_CHECK_EQUAL(std::string("100"), try_cast_by_ptr<std::string>(100, &boost::lexical_cast<std::string, int>));
+    typedef char char_arr[4];    
+    typedef int(*f1)(const char_arr&);
+    f1 p1 = &boost::lexical_cast<int, char_arr>;
+    BOOST_CHECK(p1);
+
+    typedef int(*f2)(const std::string&);
+    f2 p2 = &boost::lexical_cast<int, std::string>;
+    BOOST_CHECK(p2);
+
+    typedef std::string(*f3)(const int&);
+    f3 p3 = &boost::lexical_cast<std::string, int>;
+    BOOST_CHECK(p3);
 }