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Added ability to show “invisibles” in strings (just tabs and newline chars, for now).

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This commit is contained in:
Phil Nash
2014-04-22 18:23:42 +01:00
parent f219194199
commit 7059b2cdac
4 changed files with 30 additions and 6 deletions
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28
include/internal/catch_tostring.hpp
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@@ -10,6 +10,7 @@
#include "catch_common.h"
#include "catch_sfinae.hpp"
#include "catch_interfaces_config.h"
#include <sstream>
#include <iomanip>
@@ -180,16 +181,31 @@ std::string toString( T const& value ) {
// Built in overloads
inline std::string toString( std::string const& value ) {
return "\"" + value + "\"";
std::string s = value;
if( getCurrentContext().getConfig()->showInvisibles() ) {
for(size_t i = 0; i < s.size(); ++i ) {
std::string subs;
switch( s[i] ) {
case '\n': subs = "\\n"; break;
case '\t': subs = "\\t"; break;
default: break;
}
if( !subs.empty() ) {
s = s.substr( 0, i ) + subs + s.substr( i+1 );
++i;
}
}
}
return "\"" + s + "\"";
}
inline std::string toString( std::wstring const& value ) {
std::ostringstream oss;
oss << "\"";
std::string s;
s.reserve( value.size() );
for(size_t i = 0; i < value.size(); ++i )
oss << static_cast<char>( value[i] <= 0xff ? value[i] : '?');
oss << "\"";
return oss.str();
s += value[i] <= 0xff ? static_cast<char>( value[i] ) : '?';
return toString( s );
}
inline std::string toString( const char* const value ) {