From f102d684cf51ab48936a5f1aca87c4efa242bdaa Mon Sep 17 00:00:00 2001
From: Daniel James <daniel@calamity.org.uk>
Date: Thu, 7 Apr 2005 22:14:02 +0000
Subject: [PATCH] Implement the compile time checks for hash functions as a
 function instead of a templated class. Hopefully it will work on more
 compilers.

[SVN r28053]
---
 hash/test/compile_time.hpp      | 3 +--
 hash/test/hash_number_test.cpp  | 2 +-
 hash/test/hash_pointer_test.cpp | 4 ++--
 hash/test/hash_string_test.cpp  | 4 ++--
 4 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/hash/test/compile_time.hpp b/hash/test/compile_time.hpp
index 646d42b..cd54183 100644
--- a/hash/test/compile_time.hpp
+++ b/hash/test/compile_time.hpp
@@ -8,10 +8,9 @@
 #include <boost/mpl/assert.hpp>
 
 template <class T>
-struct compile_time_tests
+void compile_time_tests(T*)
 {
     BOOST_MPL_ASSERT((boost::is_base_and_derived<
         std::unary_function<T, std::size_t>, HASH_NAMESPACE::hash<T> >));
-    BOOST_STATIC_CONSTANT(bool, success = true);
 };
 
diff --git a/hash/test/hash_number_test.cpp b/hash/test/hash_number_test.cpp
index af1accb..b9a3a74 100644
--- a/hash/test/hash_number_test.cpp
+++ b/hash/test/hash_number_test.cpp
@@ -24,7 +24,7 @@
 template <class T>
 void numeric_test()
 {
-    BOOST_CHECK(compile_time_tests<T>::success);
+    compile_time_tests((T*) 0);
 
     HASH_NAMESPACE::hash<T> x1;
     HASH_NAMESPACE::hash<T> x2;
diff --git a/hash/test/hash_pointer_test.cpp b/hash/test/hash_pointer_test.cpp
index 2d661b4..9fe1247 100644
--- a/hash/test/hash_pointer_test.cpp
+++ b/hash/test/hash_pointer_test.cpp
@@ -23,8 +23,8 @@
 
 BOOST_AUTO_UNIT_TEST(pointer_tests)
 {
-    BOOST_CHECK(compile_time_tests<int*>::success);
-    BOOST_CHECK(compile_time_tests<void*>::success);
+    compile_time_tests((int**) 0);
+    compile_time_tests((void**) 0);
 
     HASH_NAMESPACE::hash<int*> x1;
     HASH_NAMESPACE::hash<int*> x2;
diff --git a/hash/test/hash_string_test.cpp b/hash/test/hash_string_test.cpp
index ae55682..f1daf8d 100644
--- a/hash/test/hash_string_test.cpp
+++ b/hash/test/hash_string_test.cpp
@@ -22,7 +22,7 @@
 
 BOOST_AUTO_UNIT_TEST(string_tests)
 {
-    BOOST_CHECK(compile_time_tests<std::string>::success);
+    compile_time_tests((std::string*) 0);
 
     HASH_NAMESPACE::hash<std::string> x1;
     HASH_NAMESPACE::hash<std::string> x2;
@@ -34,7 +34,7 @@ BOOST_AUTO_UNIT_TEST(string_tests)
 #if !defined(BOOST_NO_STD_WSTRING)
 BOOST_AUTO_UNIT_TEST(wstring_tests)
 {
-    BOOST_CHECK(compile_time_tests<std::wstring>::success);
+    compile_time_tests((std::wstring*) 0);
 
     HASH_NAMESPACE::hash<std::wstring> x1;
     HASH_NAMESPACE::hash<std::wstring> x2;