204 lines
9.0 KiB
C++
204 lines
9.0 KiB
C++
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#include <catch2/catch.hpp>
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#include <numeric>
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#include <sstream>
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#include "test_data.hpp" // get access to init_print, etc
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#include "libslic3r/Config.hpp"
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#include "libslic3r/Model.hpp"
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#include "libslic3r/Config.hpp"
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#include "libslic3r/GCodeReader.hpp"
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#include "libslic3r/Flow.hpp"
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#include "libslic3r/libslic3r.h"
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using namespace Slic3r::Test;
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using namespace Slic3r;
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SCENARIO("Extrusion width specifics", "[!mayfail]") {
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GIVEN("A config with a skirt, brim, some fill density, 3 perimeters, and 1 bottom solid layer and a 20mm cube mesh") {
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// this is a sharedptr
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std::shared_ptr<DynamicPrintConfig> config(Slic3r::DynamicPrintConfig::new_from_defaults());
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config->opt_int("skirts") = 1;
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config->opt_float("brim_width") = 2.;
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config->opt_int("perimeters") = 3;
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config->set_deserialize("fill_density", "40%");
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config->set_deserialize("first_layer_height", "100%");
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WHEN("first layer width set to 2mm") {
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Slic3r::Model model;
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config->set_deserialize("first_layer_extrusion_width", "2");
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auto print {Slic3r::Test::init_print({TestMesh::cube_20x20x20}, model, config)};
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std::vector<double> E_per_mm_bottom;
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std::string gcode = ::Test::gcode(print);
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auto parser {Slic3r::GCodeReader()};
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const auto layer_height { config->opt_float("layer_height") };
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parser.parse_buffer(gcode, [&E_per_mm_bottom, layer_height] (Slic3r::GCodeReader& self, const Slic3r::GCodeReader::GCodeLine& line)
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{
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if (self.z() == Approx(layer_height).margin(0.01)) { // only consider first layer
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if (line.extruding(self) && line.dist_XY(self) > 0) {
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E_per_mm_bottom.emplace_back(line.dist_E(self) / line.dist_XY(self));
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}
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}
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});
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THEN(" First layer width applies to everything on first layer.") {
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bool pass = false;
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auto avg_E {std::accumulate(E_per_mm_bottom.cbegin(), E_per_mm_bottom.cend(), 0.0) / static_cast<double>(E_per_mm_bottom.size())};
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pass = (std::count_if(E_per_mm_bottom.cbegin(), E_per_mm_bottom.cend(), [avg_E] (const double& v) { return v == Approx(avg_E); }) == 0);
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REQUIRE(pass == true);
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REQUIRE(E_per_mm_bottom.size() > 0); // make sure it actually passed because of extrusion
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}
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THEN(" First layer width does not apply to upper layer.") {
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}
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}
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}
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}
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// needs gcode export
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SCENARIO(" Bridge flow specifics.", "[!mayfail]") {
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GIVEN("A default config with no cooling and a fixed bridge speed, flow ratio and an overhang mesh.") {
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WHEN("bridge_flow_ratio is set to 1.0") {
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THEN("Output flow is as expected.") {
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}
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}
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WHEN("bridge_flow_ratio is set to 0.5") {
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THEN("Output flow is as expected.") {
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}
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}
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WHEN("bridge_flow_ratio is set to 2.0") {
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THEN("Output flow is as expected.") {
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}
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}
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}
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GIVEN("A default config with no cooling and a fixed bridge speed, flow ratio, fixed extrusion width of 0.4mm and an overhang mesh.") {
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WHEN("bridge_flow_ratio is set to 1.0") {
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THEN("Output flow is as expected.") {
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}
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}
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WHEN("bridge_flow_ratio is set to 0.5") {
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THEN("Output flow is as expected.") {
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}
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}
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WHEN("bridge_flow_ratio is set to 2.0") {
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THEN("Output flow is as expected.") {
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}
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}
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}
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}
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/// Test the expected behavior for auto-width,
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/// spacing, etc
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SCENARIO("Flow: Flow math for non-bridges", "[!mayfail]") {
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GIVEN("Nozzle Diameter of 0.4, a desired width of 1mm and layer height of 0.5") {
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auto width {ConfigOptionFloatOrPercent(1.0, false)};
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float spacing {0.4};
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float nozzle_diameter {0.4};
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float bridge_flow {1.0};
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float layer_height {0.5};
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// Spacing for non-bridges is has some overlap
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THEN("External perimeter flow has spacing fixed to 1.1*nozzle_diameter") {
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auto flow {Flow::new_from_config_width(frExternalPerimeter, ConfigOptionFloatOrPercent(0, false), nozzle_diameter, layer_height, 0.0f)};
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REQUIRE(flow.spacing() == Approx((1.1*nozzle_diameter) - layer_height * (1.0 - PI / 4.0)));
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}
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THEN("Internal perimeter flow has spacing of 1.05 (minimum)") {
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auto flow {Flow::new_from_config_width(frPerimeter, ConfigOptionFloatOrPercent(0, false), nozzle_diameter, layer_height, 0.0f)};
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REQUIRE(flow.spacing() == Approx((1.05*nozzle_diameter) - layer_height * (1.0 - PI / 4.0)));
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}
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THEN("Spacing for supplied width is 0.8927f") {
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auto flow {Flow::new_from_config_width(frExternalPerimeter, width, nozzle_diameter, layer_height, 0.0f)};
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REQUIRE(flow.spacing() == Approx(width.value - layer_height * (1.0 - PI / 4.0)));
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flow = Flow::new_from_config_width(frPerimeter, width, nozzle_diameter, layer_height, 0.0f);
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REQUIRE(flow.spacing() == Approx(width.value - layer_height * (1.0 - PI / 4.0)));
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}
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}
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/// Check the min/max
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GIVEN("Nozzle Diameter of 0.25") {
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float spacing {0.4};
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float nozzle_diameter {0.25};
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float bridge_flow {0.0};
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float layer_height {0.5};
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WHEN("layer height is set to 0.2") {
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layer_height = 0.15f;
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THEN("Max width is set.") {
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auto flow {Flow::new_from_config_width(frPerimeter, ConfigOptionFloatOrPercent(0, false), nozzle_diameter, layer_height, 0.0f)};
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REQUIRE(flow.width == Approx(1.4*nozzle_diameter));
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}
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}
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WHEN("Layer height is set to 0.2") {
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layer_height = 0.3f;
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THEN("Min width is set.") {
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auto flow {Flow::new_from_config_width(frPerimeter, ConfigOptionFloatOrPercent(0, false), nozzle_diameter, layer_height, 0.0f)};
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REQUIRE(flow.width == Approx(1.05*nozzle_diameter));
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}
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}
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}
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#if 0
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/// Check for an edge case in the maths where the spacing could be 0; original
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/// math is 0.99. Slic3r issue #4654
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GIVEN("Input spacing of 0.414159 and a total width of 2") {
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double in_spacing = 0.414159;
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double total_width = 2.0;
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auto flow {Flow::new_from_spacing(1.0, 0.4, 0.3, false)};
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WHEN("solid_spacing() is called") {
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double result = flow.solid_spacing(total_width, in_spacing);
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THEN("Yielded spacing is greater than 0") {
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REQUIRE(result > 0);
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}
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}
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}
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#endif
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}
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/// Spacing, width calculation for bridge extrusions
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SCENARIO("Flow: Flow math for bridges", "[!mayfail]") {
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GIVEN("Nozzle Diameter of 0.4, a desired width of 1mm and layer height of 0.5") {
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auto width {ConfigOptionFloatOrPercent(1.0, false)};
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auto spacing {0.4};
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auto nozzle_diameter {0.4};
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auto bridge_flow {1.0};
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auto layer_height {0.5};
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WHEN("Flow role is frExternalPerimeter") {
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auto flow {Flow::new_from_config_width(frExternalPerimeter, width, nozzle_diameter, layer_height, bridge_flow)};
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THEN("Bridge width is same as nozzle diameter") {
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REQUIRE(flow.width == Approx(nozzle_diameter));
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}
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THEN("Bridge spacing is same as nozzle diameter + BRIDGE_EXTRA_SPACING") {
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REQUIRE(flow.spacing() == Approx(nozzle_diameter + BRIDGE_EXTRA_SPACING));
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}
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}
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WHEN("Flow role is frInfill") {
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auto flow {Flow::new_from_config_width(frInfill, width, nozzle_diameter, layer_height, bridge_flow)};
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THEN("Bridge width is same as nozzle diameter") {
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REQUIRE(flow.width == Approx(nozzle_diameter));
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}
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THEN("Bridge spacing is same as nozzle diameter + BRIDGE_EXTRA_SPACING") {
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REQUIRE(flow.spacing() == Approx(nozzle_diameter + BRIDGE_EXTRA_SPACING));
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}
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}
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WHEN("Flow role is frPerimeter") {
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auto flow {Flow::new_from_config_width(frPerimeter, width, nozzle_diameter, layer_height, bridge_flow)};
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THEN("Bridge width is same as nozzle diameter") {
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REQUIRE(flow.width == Approx(nozzle_diameter));
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}
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THEN("Bridge spacing is same as nozzle diameter + BRIDGE_EXTRA_SPACING") {
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REQUIRE(flow.spacing() == Approx(nozzle_diameter + BRIDGE_EXTRA_SPACING));
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}
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}
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WHEN("Flow role is frSupportMaterial") {
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auto flow {Flow::new_from_config_width(frSupportMaterial, width, nozzle_diameter, layer_height, bridge_flow)};
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THEN("Bridge width is same as nozzle diameter") {
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REQUIRE(flow.width == Approx(nozzle_diameter));
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}
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THEN("Bridge spacing is same as nozzle diameter + BRIDGE_EXTRA_SPACING") {
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REQUIRE(flow.spacing() == Approx(nozzle_diameter + BRIDGE_EXTRA_SPACING));
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}
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}
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}
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}
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