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/* Apache License, Version 2.0 */
#include "testing/testing.h"
#include "FN_cpp_type.hh"
#include "FN_field.hh"
#include "FN_multi_function_builder.hh"
namespace blender::fn::tests {
TEST(field, ConstantFunction)
{
/* TODO: Figure out how to not use another "FieldOperation(" inside of std::make_shared. */
GField constant_field{std::make_shared<FieldOperation>(
FieldOperation(std::make_unique<CustomMF_Constant<int>>(10), {})),
0};
Array<int> result(4);
GMutableSpan result_generic(result.as_mutable_span());
evaluate_fields({constant_field}, IndexMask(IndexRange(4)), {result_generic});
EXPECT_EQ(result[0], 10);
EXPECT_EQ(result[1], 10);
EXPECT_EQ(result[2], 10);
EXPECT_EQ(result[3], 10);
}
class IndexFieldInput final : public FieldInput {
public:
IndexFieldInput() : FieldInput(CPPType::get<int>(), "Index")
{
}
GVArrayPtr get_varray_generic_context(IndexMask mask) const final
{
auto index_func = [](int i) { return i; };
return std::make_unique<
GVArray_For_EmbeddedVArray<int, VArray_For_Func<int, decltype(index_func)>>>(
mask.min_array_size(), mask.min_array_size(), index_func);
}
};
TEST(field, VArrayInput)
{
GField index_field{std::make_shared<IndexFieldInput>()};
Array<int> result_1(4);
GMutableSpan result_generic_1(result_1.as_mutable_span());
evaluate_fields({index_field}, IndexMask(IndexRange(4)), {result_generic_1});
EXPECT_EQ(result_1[0], 0);
EXPECT_EQ(result_1[1], 1);
EXPECT_EQ(result_1[2], 2);
EXPECT_EQ(result_1[3], 3);
/* Evaluate a second time, just to test that the first didn't break anything. */
Array<int> result_2(10);
GMutableSpan result_generic_2(result_2.as_mutable_span());
evaluate_fields({index_field}, {2, 4, 6, 8}, {result_generic_2});
EXPECT_EQ(result_2[2], 2);
EXPECT_EQ(result_2[4], 4);
EXPECT_EQ(result_2[6], 6);
EXPECT_EQ(result_2[8], 8);
}
TEST(field, VArrayInputMultipleOutputs)
{
std::shared_ptr<FieldInput> index_input = std::make_shared<IndexFieldInput>();
GField field_1{index_input};
GField field_2{index_input};
Array<int> result_1(10);
Array<int> result_2(10);
GMutableSpan result_generic_1(result_1.as_mutable_span());
GMutableSpan result_generic_2(result_2.as_mutable_span());
evaluate_fields({field_1, field_2}, {2, 4, 6, 8}, {result_generic_1, result_generic_2});
EXPECT_EQ(result_1[2], 2);
EXPECT_EQ(result_1[4], 4);
EXPECT_EQ(result_1[6], 6);
EXPECT_EQ(result_1[8], 8);
EXPECT_EQ(result_2[2], 2);
EXPECT_EQ(result_2[4], 4);
EXPECT_EQ(result_2[6], 6);
EXPECT_EQ(result_2[8], 8);
}
TEST(field, InputAndFunction)
{
GField index_field{std::make_shared<IndexFieldInput>()};
std::unique_ptr<MultiFunction> add_fn = std::make_unique<CustomMF_SI_SI_SO<int, int, int>>(
"add", [](int a, int b) { return a + b; });
GField output_field{std::make_shared<FieldOperation>(
FieldOperation(std::move(add_fn), {index_field, index_field})),
0};
Array<int> result(10);
GMutableSpan result_generic(result.as_mutable_span());
evaluate_fields({output_field}, {2, 4, 6, 8}, {result_generic});
EXPECT_EQ(result[2], 4);
EXPECT_EQ(result[4], 8);
EXPECT_EQ(result[6], 12);
EXPECT_EQ(result[8], 16);
}
TEST(field, TwoFunctions)
{
GField index_field{std::make_shared<IndexFieldInput>()};
std::unique_ptr<MultiFunction> add_fn = std::make_unique<CustomMF_SI_SI_SO<int, int, int>>(
"add", [](int a, int b) { return a + b; });
GField add_field{std::make_shared<FieldOperation>(
FieldOperation(std::move(add_fn), {index_field, index_field})),
0};
std::unique_ptr<MultiFunction> add_10_fn = std::make_unique<CustomMF_SI_SO<int, int>>(
"add_10", [](int a) { return a + 10; });
GField result_field{
std::make_shared<FieldOperation>(FieldOperation(std::move(add_10_fn), {add_field})), 0};
Array<int> result(10);
GMutableSpan result_generic(result.as_mutable_span());
evaluate_fields({result_field}, {2, 4, 6, 8}, {result_generic});
EXPECT_EQ(result[2], 14);
EXPECT_EQ(result[4], 18);
EXPECT_EQ(result[6], 22);
EXPECT_EQ(result[8], 26);
}
class TwoOutputFunction : public MultiFunction {
private:
MFSignature signature_;
public:
TwoOutputFunction(StringRef name)
{
MFSignatureBuilder signature{name};
signature.single_input<int>("In1");
signature.single_input<int>("In2");
signature.single_output<int>("Add");
signature.single_output<int>("Add10");
signature_ = signature.build();
this->set_signature(&signature_);
}
void call(IndexMask mask, MFParams params, MFContext UNUSED(context)) const override
{
const VArray<int> &in1 = params.readonly_single_input<int>(0, "In1");
const VArray<int> &in2 = params.readonly_single_input<int>(1, "In2");
MutableSpan<int> add = params.uninitialized_single_output<int>(2, "Add");
MutableSpan<int> add_10 = params.uninitialized_single_output<int>(3, "Add10");
mask.foreach_index([&](const int64_t i) {
add[i] = in1[i] + in2[i];
add_10[i] = add[i] + 10;
});
}
};
TEST(field, FunctionTwoOutputs)
{
/* Also use two separate input fields, why not. */
GField index_field_1{std::make_shared<IndexFieldInput>()};
GField index_field_2{std::make_shared<IndexFieldInput>()};
std::shared_ptr<FieldOperation> fn = std::make_shared<FieldOperation>(FieldOperation(
std::make_unique<TwoOutputFunction>("SI_SI_SO_SO"), {index_field_1, index_field_2}));
GField result_field_1{fn, 0};
GField result_field_2{fn, 1};
Array<int> result_1(10);
Array<int> result_2(10);
GMutableSpan result_generic_1(result_1.as_mutable_span());
GMutableSpan result_generic_2(result_2.as_mutable_span());
evaluate_fields(
{result_field_1, result_field_2}, {2, 4, 6, 8}, {result_generic_1, result_generic_2});
EXPECT_EQ(result_1[2], 4);
EXPECT_EQ(result_1[4], 8);
EXPECT_EQ(result_1[6], 12);
EXPECT_EQ(result_1[8], 16);
EXPECT_EQ(result_2[2], 14);
EXPECT_EQ(result_2[4], 18);
EXPECT_EQ(result_2[6], 22);
EXPECT_EQ(result_2[8], 26);
}
TEST(field, TwoFunctionsTwoOutputs)
{
GField index_field{std::make_shared<IndexFieldInput>()};
std::shared_ptr<FieldOperation> fn = std::make_shared<FieldOperation>(FieldOperation(
std::make_unique<TwoOutputFunction>("SI_SI_SO_SO"), {index_field, index_field}));
GField result_field_1{fn, 0};
GField intermediate_field{fn, 1};
std::unique_ptr<MultiFunction> add_10_fn = std::make_unique<CustomMF_SI_SO<int, int>>(
"add_10", [](int a) { return a + 10; });
GField result_field_2{
std::make_shared<FieldOperation>(FieldOperation(std::move(add_10_fn), {intermediate_field})),
0};
Array<int> result_1(10);
Array<int> result_2(10);
GMutableSpan result_generic_1(result_1.as_mutable_span());
GMutableSpan result_generic_2(result_2.as_mutable_span());
evaluate_fields(
{result_field_1, result_field_2}, {2, 4, 6, 8}, {result_generic_1, result_generic_2});
EXPECT_EQ(result_1[2], 4);
EXPECT_EQ(result_1[4], 8);
EXPECT_EQ(result_1[6], 12);
EXPECT_EQ(result_1[8], 16);
EXPECT_EQ(result_2[2], 24);
EXPECT_EQ(result_2[4], 28);
EXPECT_EQ(result_2[6], 32);
EXPECT_EQ(result_2[8], 36);
}
} // namespace blender::fn::tests
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