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Added special handling for vector<bool> when stringifying

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This commit is contained in:
Phil Nash 2018-01-04 10:05:02 +00:00
parent e41e8e8384
commit 702cfdaf6e
2 changed files with 33 additions and 2 deletions
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25
include/internal/catch_tostring.h
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@ -233,7 +233,6 @@ namespace Catch {
} }
} }
template<typename T> template<typename T>
struct EnumStringMaker { struct EnumStringMaker {
static std::string convert(const T& t) { static std::string convert(const T& t) {
@ -355,10 +354,32 @@ namespace Catch {
!std::is_same<decltype(end(std::declval<T>())), not_this_one>::value; !std::is_same<decltype(end(std::declval<T>())), not_this_one>::value;
}; };
template<typename Range>
std::string rangeToString( Range const& range ) {
return ::Catch::Detail::rangeToString( begin( range ), end( range ) );
}
// Handle vector<bool> specially
template<typename Allocator>
std::string rangeToString( std::vector<bool, Allocator> const& v ) {
ReusableStringStream rss;
rss << "{ ";
bool first = true;
for( bool b : v ) {
if( first )
first = false;
else
rss << ", ";
rss << ::Catch::Detail::stringify( b );
}
rss << " }";
return rss.str();
}
template<typename R> template<typename R>
struct StringMaker<R, typename std::enable_if<is_range<R>::value>::type> { struct StringMaker<R, typename std::enable_if<is_range<R>::value>::type> {
static std::string convert( R const& range ) { static std::string convert( R const& range ) {
return ::Catch::Detail::rangeToString( begin( range ), end( range ) ); return rangeToString( range );
} }
}; };

10
projects/SelfTest/UsageTests/ToStringVector.tests.cpp
View File

@ -66,3 +66,13 @@ TEST_CASE( "vec<vec<string,alloc>> -> toString", "[toString][vector,allocator]"
v.push_back( inner { "world" } ); v.push_back( inner { "world" } );
REQUIRE( ::Catch::Detail::stringify(v) == "{ { \"hello\" }, { \"world\" } }" ); REQUIRE( ::Catch::Detail::stringify(v) == "{ { \"hello\" }, { \"world\" } }" );
} }
// Based on PR by mat-so: https://github.com/catchorg/Catch2/pull/606/files#diff-43562f40f8c6dcfe2c54557316e0f852
TEST_CASE( "vector<bool> -> toString", "[toString][containers][vector]" ) {
std::vector<bool> bools;
REQUIRE( ::Catch::Detail::stringify(bools) == "{ }");
bools.push_back(true);
REQUIRE( ::Catch::Detail::stringify(bools) == "{ true }");
bools.push_back(false);
REQUIRE( ::Catch::Detail::stringify(bools) == "{ true, false }");
}