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#include <forstio/test/suite.hpp>
#include <forstio/templates.hpp>
#include "../c++/schema.hpp"
#include "../c++/schema_hash.hpp"
#include "../c++/schema_factory.hpp"
namespace {
template<typename T>
struct schema_hash_test {
static_assert(saw::always_false<T>, "Needs the test pair");
};
template<typename T, uint64_t expected>
struct schema_test_pair{};
template<typename T, uint64_t expected>
struct schema_hash_test<schema_test_pair<T,expected>> {
static void check(){
using namespace saw;
constexpr uint64_t hash = schema_hash<T>::apply();
SAW_EXPECT( hash == expected, std::string{"Hash for "} + std::string{T::name.view()} + " is " + std::to_string(hash) +", but should be "+ std::to_string(expected) + ".");
}
};
template<typename... T>
struct schema_hash_test_multi {
template<uint64_t i>
static void check_ele(){
using type = typename saw::parameter_pack_type<i,T...>::type;
schema_hash_test<type>::check();
if constexpr ( (i+1) < sizeof...(T)){
check_ele<i+1>();
}
}
static void check(){
if constexpr (sizeof...(T) > 0){
check_ele<0>();
}
}
};
namespace schema {
using namespace saw::schema;
using HashIface = Interface<
Member<Function<Tuple<UInt16>, UInt32>, "foo">
>;
}
SAW_TEST("Schema Hashes"){
using namespace saw;
schema_hash_test_multi<
schema_test_pair<schema::UInt8 , 958523688>,
schema_test_pair<schema::UInt16, 3586362486>,
schema_test_pair<schema::UInt32, 147217277>,
schema_test_pair<schema::UInt64, 3054299356>,
schema_test_pair<schema::Int8 , 1991167534>,
schema_test_pair<schema::Int16, 2588715888>,
schema_test_pair<schema::Int32, 1195998331>,
schema_test_pair<schema::Int64, 4186165210>,
schema_test_pair<schema::Float32, 1968068318>,
schema_test_pair<schema::Float64, 3414484351>,
schema_test_pair<schema::SignedInteger, 2923333106>,
schema_test_pair<schema::UnsignedInteger, 3300532028>,
schema_test_pair<schema::FloatingPoint, 1860828258>,
schema_test_pair<schema::String, 1669061438>,
schema_test_pair<schema::HashIface, 3365712860>
>::check();
}
SAW_TEST("Schema Factory Compiles"){
using namespace saw;
auto factory = build_schema<schema::Struct<>>();
auto str = factory
.add<schema::UInt32, "foo">()
.add<schema::Int16, "bar">()
.add_maybe<schema::Int16, "bar">()
.add_maybe<schema::String, "baz">()
;
using FactorySchema = decltype(str)::Schema;
using Schema = schema::Struct<
schema::Member<schema::UInt32, "foo">,
schema::Member<schema::Int16, "bar">,
schema::Member<schema::String, "baz">
>;
SAW_EXPECT(is_struct<FactorySchema>::value, "Expected a struct");
schema_hash_test_multi<
schema_test_pair<FactorySchema, 86402530>,
schema_test_pair<Schema, 86402530>
>::check();
}
template<typename Schema>
auto ensure_types_one(saw::schema_factory<Schema> builder){
return builder
.template add_maybe<schema::Array<schema::Int32>, "foo">()
.template add_maybe<schema::Int32, "bar">()
;
}
template<typename Schema>
auto ensure_types_two(saw::schema_factory<Schema> builder){
return builder
.template add_maybe<schema::Array<schema::Int32>, "foo">()
.template add_maybe<schema::UInt64, "baz">()
;
}
SAW_TEST("Schema Factory Multimethod"){
using namespace saw;
auto builder = build_schema<schema::Struct<>>();
/**
* This would basically be multiple components
*/
auto b2 = ensure_types_one(builder);
auto b3 = ensure_types_two(b2);
using Schema = schema::Struct<
schema::Member<schema::Array<schema::Int32>, "foo">,
schema::Member<schema::Int32, "bar">,
schema::Member<schema::UInt64, "baz">
>;
schema_hash_test_multi<
schema_test_pair<decltype(b3)::Schema, 2324362429>,
schema_test_pair<Schema, 2324362429>
>::check();
}
}
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