clone successful

tests/libslic3r/test_stl.cpp

@@ -0,0 +1,57 @@
+#include <catch2/catch_all.hpp>
+
+#include "libslic3r/Model.hpp"
+#include "libslic3r/Format/STL.hpp"
+
+using namespace Slic3r;
+
+static inline std::string stl_path(const char* path)
+{
+	return std::string(TEST_DATA_DIR) + "/test_stl/" + path;
+}
+
+SCENARIO("Reading an STL file", "[stl]") {
+	GIVEN("umlauts in the path of a binary STL file, Czech characters in the file name") {
+        WHEN("STL file is read") {
+			Slic3r::Model model;
+			THEN("load should succeed") {
+                REQUIRE(Slic3r::load_stl(stl_path("Geräte/20mmbox-čřšřěá.stl").c_str(), &model));
+				REQUIRE(is_approx(model.objects.front()->volumes.front()->mesh().size(), Vec3d(20, 20, 20)));
+            }
+        }
+    }
+	GIVEN("in ASCII format") {
+		WHEN("line endings LF") {
+			Slic3r::Model model;
+			THEN("load should succeed") {
+				REQUIRE(Slic3r::load_stl(stl_path("ASCII/20mmbox-LF.stl").c_str(), &model));
+				REQUIRE(is_approx(model.objects.front()->volumes.front()->mesh().size(), Vec3d(20, 20, 20)));
+			}
+		}
+		WHEN("line endings CRLF") {
+			Slic3r::Model model;
+			THEN("load should succeed") {
+				REQUIRE(Slic3r::load_stl(stl_path("ASCII/20mmbox-CRLF.stl").c_str(), &model));
+				REQUIRE(is_approx(model.objects.front()->volumes.front()->mesh().size(), Vec3d(20, 20, 20)));
+			}
+		}
+#if 0
+		// ASCII STLs ending with just carriage returns are not supported. These were used by the old Macs, while the Unix based MacOS uses LFs as any other Unix.
+		WHEN("line endings CR") {
+			Slic3r::Model model;
+			THEN("load should succeed") {
+				REQUIRE(Slic3r::load_stl(stl_path("ASCII/20mmbox-CR.stl").c_str(), &model));
+				REQUIRE(is_approx(model.objects.front()->volumes.front()->mesh().size(), Vec3d(20, 20, 20)));
+			}
+		}
+
+#endif
+		WHEN("nonstandard STL file (text after ending tags, invalid normals, for example infinities)") {
+			Slic3r::Model model;
+			THEN("load should succeed") {
+				REQUIRE(Slic3r::load_stl(stl_path("ASCII/20mmbox-nonstandard.stl").c_str(), &model));
+				REQUIRE(is_approx(model.objects.front()->volumes.front()->mesh().size(), Vec3d(20, 20, 20)));
+			}
+		}
+	}
+}