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#include <forstio/test/suite.hpp>
#include <forstio/codec/json/json.hpp>

#include "../c++/c_gen_iface.hpp"

#include <iostream>

namespace {
namespace schema {
using namespace saw::schema;

using TestStruct = Struct<
	Member<Int32, "a">,
	Member<Float64, "b">
>;

using TestArray = Array<
	Int64, 1
>;

using TestStructArray = Struct<
	Member<TestArray, "array">,
	Member<UInt64, "un_int_num">
>;

using TestStructMore = Struct<
	Member<Int64, "int">,
	Member<UInt16, "uint">,
	Member<Float32, "float">,
	Member<Float64, "double">
>;

using TestEmptyInterface = Interface<>;

using TestOneFunctionInterface = Interface<
	Member<Function<Int32, Int32>, "one">
>;

using TestStructFunctionInterface = Interface<
	Member<Function<TestStruct, Int32>, "two">
>;

using TestArrayFunctionInterface = Interface<
	Member<Function<TestArray, Int32>, "three">
>;

using TestStructArrayFunctionInterface = Interface<
	Member<Function<TestStructArray, Int32>, "three">
>;

using TestMultiFunctionInterface = Interface<
	Member<Function<TestArray, Float32>, "foo">,
	Member<Function<Float64, Int8>, "bar">,
	Member<Function<UInt32, TestArray>, "baz">,
	Member<Function<UInt32, Float64>, "banana">,
	Member<Function<TestStructMore, Float32>, "struct">
>;
}

template<typename Schema>
void test_generate(std::string& res, std::string& src){
	using namespace saw;
	
	ring_buffer r_buff{4u * 1024u * 1024u};
	ring_buffer r_src_buff{4u * 1024u * 1024u};

	{
		auto eov = language_binding<Schema, encode::NativeRaw, binding::SyncC>::generate(r_buff, r_src_buff, {"prefix"});
		SAW_EXPECT(eov.is_value(), std::string{"Couldn't generate interface info: "} + std::string{eov.get_error().get_message()});
	}

	res = convert_to_string(r_buff);
	src = convert_to_string(r_src_buff);
}

SAW_TEST("CIface Empty Interface"){
	using namespace saw;

	std::string res;
	std::string src;
	test_generate<schema::TestEmptyInterface>(res,src);

	std::cout<<"\n"<<res<<"\n"<<std::endl;
	std::cout<<"\nSource\n"<<src<<"\n"<<std::endl;
}

SAW_TEST("CIface One Function Interface"){
	using namespace saw;

	std::string res;
	std::string src;
	test_generate<schema::TestOneFunctionInterface>(res, src);
	std::cout<<"\n"<<res<<"\n"<<std::endl;
	std::cout<<"\nSource\n"<<src<<"\n"<<std::endl;
}

SAW_TEST("CIface Multi Function Interface"){
	using namespace saw;

	std::string res;
	std::string src;
	test_generate<schema::TestMultiFunctionInterface>(res, src);
	std::cout<<"\n"<<res<<"\n"<<std::endl;
	std::cout<<"\nSource\n"<<src<<"\n"<<std::endl;
}

SAW_TEST("CIface Array Function Interface"){
	using namespace saw;

	std::string res;
	std::string src;
	test_generate<schema::TestArrayFunctionInterface>(res, src);
	std::cout<<"\n"<<res<<"\n"<<std::endl;
	std::cout<<"\nSource\n"<<src<<"\n"<<std::endl;
}

SAW_TEST("CIface Struct Array Function Interface"){
	using namespace saw;

	std::string res;
	std::string src;
	test_generate<schema::TestStructArrayFunctionInterface>(res, src);
	std::cout<<"\n"<<res<<"\n"<<std::endl;
	std::cout<<"\nSource\n"<<src<<"\n"<<std::endl;
}
}