From 3822aca4e6a8534b673407a6e3b5d9d86bece4c3 Mon Sep 17 00:00:00 2001
From: Olivier Charloton <oliviers.open.source.softwares@gmail.com>
Date: Thu, 6 Aug 2015 00:20:51 +0200
Subject: [PATCH] Resolving #122 "C string DIFFERS not consistent with EQUALS"

New specialized templates for the differs test
to manage C strings, as done for equals
(cf. #82, #83 & #84).
---
 cxxtest/TestSuite.h | 64 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)

diff --git a/cxxtest/TestSuite.h b/cxxtest/TestSuite.h
index b34c45d..7a184ec 100644
--- a/cxxtest/TestSuite.h
+++ b/cxxtest/TestSuite.h
@@ -168,6 +168,70 @@ struct differs
     }
 };
 
+template<>
+struct differs<const char*, const char*>
+{
+    static bool test(const char *x, const  char *y)
+    {
+        if ((x != 0) && (y != 0))
+        {
+            return (CXXTEST_STD(strcmp(x, y)) != 0);
+        }
+        else
+        {
+            return (x != y);
+        }
+    }
+};
+
+template<>
+struct differs<char*, char*>
+{
+    static bool test(char *x, char *y)
+    {
+        if ((x != 0) && (y != 0))
+        {
+            return (CXXTEST_STD(strcmp(x, y)) != 0);
+        }
+        else
+        {
+            return (x != y);
+        }
+    }
+};
+
+template<>
+struct differs<const char*, char*>
+{
+    static bool test(const char *x, char *y)
+    {
+        if ((x != 0) && (y != 0))
+        {
+            return (CXXTEST_STD(strcmp(x, y)) != 0);
+        }
+        else
+        {
+            return (x != y);
+        }
+    }
+};
+
+template<>
+struct differs<char*, const char*>
+{
+    static bool test(char *x, const char *y)
+    {
+        if ((x != 0) && (y != 0))
+        {
+            return (CXXTEST_STD(strcmp(x, y)) != 0);
+        }
+        else
+        {
+            return (x != y);
+        }
+    }
+};
+
 template<class X, class Y>
 void doAssertDiffers(const char *file, int line,
                      const char *xExpr, X x,