Delimiters helpers which work with ostream helpers.

IOStreams/OStreamable.test/0.cc

@@ -0,0 +1,50 @@
+static_assert( __cplusplus > 2020'00 );
+
+#include "../OStreamable.h"
+
+#include <Alepha/Testing/TableTest.h>
+#include <Alepha/Testing/test.h>
+
+#include <sstream>
+
+#include <Alepha/auto_comparable.h>
+
+#include <Alepha/IOStreams/delimiters.h>
+
+namespace
+{
+	template< typename= Alepha::Capabilities< Alepha::auto_comparable, Alepha::IOStreams::OStreamable > >
+	struct Agg_core
+	{
+		int x;
+		int y;
+		int z;
+	};
+
+	using Agg= Agg_core<>;
+	static_assert( Alepha::Aggregate< Agg > );
+	static_assert( Alepha::Capability< Agg, Alepha::IOStreams::OStreamable > );
+
+
+	auto
+	stringify( const Agg &agg, const char delim )
+	{
+		std::ostringstream oss;
+		oss << Alepha::IOStreams::setFieldDelimiter( delim );
+		oss << agg;
+		return std::move( oss ).str();
+	}
+}
+
+static auto init= Alepha::Utility::enroll <=[]
+{
+	using namespace Alepha::Testing::exports;
+	using namespace Alepha::Testing::literals::test_literals;
+
+	"Simple OStream"_test <=TableTest< stringify >
+	::Cases
+	{
+		{ "smoke test", { { 1, 2, 3 }, '\t' }, { "1\t2\t3" } },
+		{ "smoke test", { { 1, 2, 3 }, ',' }, { "1,2,3" } },
+	};
+};