From d223d3cd6081769fde91a308e73ae57b3b2d1a46 Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Thu, 2 Jan 2025 16:43:59 +0200
Subject: [PATCH] Work around warnings in char.cpp and integral_c.cpp when char
 is unsigned. Fixes #50.

---
 test/char.cpp       |  5 +++++
 test/integral_c.cpp | 11 ++++++++---
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/test/char.cpp b/test/char.cpp
index 39f61e7..a52e236 100644
--- a/test/char.cpp
+++ b/test/char.cpp
@@ -13,12 +13,17 @@
 
 #include <boost/mpl/char.hpp>
 #include <boost/preprocessor/repeat.hpp>
+#include <climits>
 
 #include "integral_wrapper_test.hpp"
 
 
 MPL_TEST_CASE()
 {
+#if CHAR_MAX > 0
+#   define WRAPPER(T, i) char_<static_cast<char>(i)>
+#else
 #   define WRAPPER(T, i) char_<i>
+#endif
     BOOST_PP_REPEAT(10, INTEGRAL_WRAPPER_TEST, char)
 }
diff --git a/test/integral_c.cpp b/test/integral_c.cpp
index a9f9b0c..7c9c256 100644
--- a/test/integral_c.cpp
+++ b/test/integral_c.cpp
@@ -13,6 +13,7 @@
 
 #include <boost/mpl/integral_c.hpp>
 #include <boost/preprocessor/repeat.hpp>
+#include <climits>
 
 #include "integral_wrapper_test.hpp"
 
@@ -21,10 +22,14 @@ MPL_TEST_CASE()
 {
 #   define WRAPPER(T, i) integral_c<T,i>
 
-#if !(defined(__APPLE_CC__) && defined(__GNUC__) && (__GNUC__ == 3) && (__GNUC_MINOR__ <= 3))
-    BOOST_PP_REPEAT(10, INTEGRAL_WRAPPER_TEST, char)
-#endif
     BOOST_PP_REPEAT(10, INTEGRAL_WRAPPER_TEST, short)
     BOOST_PP_REPEAT(10, INTEGRAL_WRAPPER_TEST, int)
     BOOST_PP_REPEAT(10, INTEGRAL_WRAPPER_TEST, long)
+
+#if CHAR_MAX > 0
+#   undef WRAPPER
+#   define WRAPPER(T, i) integral_c<T,static_cast<T>(i)>
+#endif
+
+    BOOST_PP_REPEAT(10, INTEGRAL_WRAPPER_TEST, char)
 }