update test

tests/fff_print/test_seam_rear.cpp

@@ -0,0 +1,47 @@
+#include <libslic3r/Point.hpp>
+#include <catch2/catch.hpp>
+#include <libslic3r/GCode/SeamRear.hpp>
+#include "test_data.hpp"
+#include <fstream>
+
+using namespace Slic3r;
+using namespace Slic3r::Seams;
+
+constexpr bool debug_files{false};
+
+namespace RearTest {
+Perimeters::Perimeter get_perimeter() {
+    const double slice_z{1.0};
+    const std::size_t layer_index{};
+    std::vector<Vec2d> positions{{0.0, 0.0}, {1.0, 0.0}, {1.0, 1.0}, {0.5, 1.0}, {0.0, 1.0}};
+    std::vector<double> angles(positions.size(), -M_PI / 2.0);
+    angles[3] = 0.0;
+    std::vector<Perimeters::PointType> point_types(positions.size(), Perimeters::PointType::common);
+    std::vector<Perimeters::PointClassification>
+        point_classifications{positions.size(), Perimeters::PointClassification::common};
+    std::vector<Perimeters::AngleType> angle_type(positions.size(), Perimeters::AngleType::concave);
+    angle_type[3] = Perimeters::AngleType::smooth;
+
+    return {
+        slice_z,
+        layer_index,
+        false,
+        std::move(positions),
+        std::move(angles),
+        std::move(point_types),
+        std::move(point_classifications),
+        std::move(angle_type)};
+}
+} // namespace RearTest
+
+TEST_CASE_METHOD(Test::SeamsFixture, "Generate rear seam", "[Seams][SeamRear][Integration]") {
+    Seams::Perimeters::LayerPerimeters perimeters{
+        Seams::Perimeters::create_perimeters(projected, layer_infos, painting, params.perimeter)};
+    const std::vector<std::vector<SeamPerimeterChoice>> seams{
+        Rear::get_object_seams(std::move(perimeters), params.rear_tolerance, params.rear_y_offset)};
+
+    if constexpr (debug_files) {
+        std::ofstream csv{"rear_seam.csv"};
+        Test::serialize_seam(csv, seams);
+    }
+}