From 3d9011f99d97c12c55756146222effdfc1072fc3 Mon Sep 17 00:00:00 2001
From: mat007 <mat007@860be788-9bd5-4423-9f1e-828f051e677b>
Date: Sat, 1 Sep 2012 21:43:49 +0000
Subject: [PATCH] Changed char* constraint behaviour to be comparable to
 another char*

git-svn-id: https://svn.code.sf.net/p/turtle/code/trunk@547 860be788-9bd5-4423-9f1e-828f051e677b
---
 test/detail/test_check.cpp | 35 +++++++++++++++++++++++++++++++++++
 turtle/detail/check.hpp    | 20 ++++++++++++++++++++
 2 files changed, 55 insertions(+)

diff --git a/test/detail/test_check.cpp b/test/detail/test_check.cpp
index fe30012..a2d8eb6 100644
--- a/test/detail/test_check.cpp
+++ b/test/detail/test_check.cpp
@@ -30,3 +30,38 @@ BOOST_AUTO_TEST_CASE( ref_to_int_and_int_can_be_compared )
     BOOST_CHECK( check( 3, boost::cref( 3 ) ) );
     BOOST_CHECK( ! check( 4, boost::cref( 3 ) ) );
 }
+
+namespace
+{
+    struct fixture
+    {
+        fixture()
+            : actual( "!same text" + 1 )
+        {
+            const char* static_string = "same text";
+            BOOST_REQUIRE( actual != static_string );
+            BOOST_REQUIRE( actual == std::string( static_string ) );
+        }
+        const char* actual;
+    };
+}
+
+BOOST_FIXTURE_TEST_CASE( const_char_pointer_and_const_char_pointer_can_be_compared, fixture )
+{
+    const char* expected = "same text";
+    BOOST_CHECK( check( expected, actual ) );
+    const char* unexpected = "different text";
+    BOOST_CHECK( ! check( actual, unexpected ) );
+}
+
+BOOST_FIXTURE_TEST_CASE( const_char_pointer_and_string_literal_can_be_compared, fixture )
+{
+    BOOST_CHECK( check( "same text", actual ) );
+    BOOST_CHECK( ! check( "different text", actual ) );
+}
+
+BOOST_FIXTURE_TEST_CASE( const_char_pointer_and_std_string_can_be_compared, fixture )
+{
+    BOOST_CHECK( check( std::string( "same text" ), actual ) );
+    BOOST_CHECK( ! check( std::string( "different text" ), actual ) );
+}
diff --git a/turtle/detail/check.hpp b/turtle/detail/check.hpp
index 55f6054..a7ec0ce 100644
--- a/turtle/detail/check.hpp
+++ b/turtle/detail/check.hpp
@@ -57,6 +57,26 @@ namespace detail
         Expected expected_;
     };
 
+    template<>
+    class check< const char*, const char* > : public check_base< const char* >
+    {
+    public:
+        explicit check( const char* expected )
+            : expected_( expected )
+        {}
+        virtual bool operator()( const char* actual )
+        {
+            return strcmp( actual, expected_ ) == 0;
+        }
+    private:
+        virtual void serialize( std::ostream& s ) const
+        {
+            s << mock::format( expected_ );
+        }
+    private:
+        const char* expected_;
+    };
+
     template< typename Actual, typename Constraint >
     class check< Actual, mock::constraint< Constraint > >
         : public check_base< Actual >