Tests: add unit tests for:

* TopoShape::getElementTypeAndIndex
* ComplexGeoData::getTypeAndIndex

and fix crashes there when passing a null pointer

tests/src/Mod/Part/App/TopoShape.cpp

@@ -0,0 +1,90 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
+
+#include "gtest/gtest.h"
+#include <Mod/Part/App/TopoShape.h>
+
+// clang-format off
+TEST(TopoShape, TestElementTypeFace1)
+{
+    EXPECT_EQ(Part::TopoShape::getElementTypeAndIndex("Face1"),
+              std::make_pair(std::string("Face"), 1UL));
+}
+
+TEST(TopoShape, TestElementTypeEdge12)
+{
+    EXPECT_EQ(Part::TopoShape::getElementTypeAndIndex("Edge12"),
+              std::make_pair(std::string("Edge"), 12UL));
+}
+
+TEST(TopoShape, TestElementTypeVertex3)
+{
+    EXPECT_EQ(Part::TopoShape::getElementTypeAndIndex("Vertex3"),
+              std::make_pair(std::string("Vertex"), 3UL));
+}
+
+TEST(TopoShape, TestElementTypeFacer)
+{
+    EXPECT_EQ(Part::TopoShape::getElementTypeAndIndex("Facer"),
+              std::make_pair(std::string(), 0UL));
+}
+
+TEST(TopoShape, TestElementTypeVertex)
+{
+    EXPECT_EQ(Part::TopoShape::getElementTypeAndIndex("Vertex"),
+              std::make_pair(std::string(), 0UL));
+}
+
+TEST(TopoShape, TestElementTypeEmpty)
+{
+    EXPECT_EQ(Part::TopoShape::getElementTypeAndIndex(""),
+              std::make_pair(std::string(), 0UL));
+}
+
+TEST(TopoShape, TestElementTypeNull)
+{
+    EXPECT_EQ(Part::TopoShape::getElementTypeAndIndex(nullptr),
+              std::make_pair(std::string(), 0UL));
+}
+
+TEST(TopoShape, TestTypeFace1)
+{
+    EXPECT_EQ(Part::TopoShape::getTypeAndIndex("Face1"),
+              std::make_pair(std::string("Face"), 1UL));
+}
+
+TEST(TopoShape, TestTypeEdge12)
+{
+    EXPECT_EQ(Part::TopoShape::getTypeAndIndex("Edge12"),
+              std::make_pair(std::string("Edge"), 12UL));
+}
+
+TEST(TopoShape, TestTypeVertex3)
+{
+    EXPECT_EQ(Part::TopoShape::getTypeAndIndex("Vertex3"),
+              std::make_pair(std::string("Vertex"), 3UL));
+}
+
+TEST(TopoShape, TestTypeFacer)
+{
+    EXPECT_EQ(Part::TopoShape::getTypeAndIndex("Facer"),
+              std::make_pair(std::string("Facer"), 0UL));
+}
+
+TEST(TopoShape, TestTypeVertex)
+{
+    EXPECT_EQ(Part::TopoShape::getTypeAndIndex("Vertex"),
+              std::make_pair(std::string("Vertex"), 0UL));
+}
+
+TEST(TopoShape, TestTypeEmpty)
+{
+    EXPECT_EQ(Part::TopoShape::getTypeAndIndex(""),
+              std::make_pair(std::string(), 0UL));
+}
+
+TEST(TopoShape, TestTypeNull)
+{
+    EXPECT_EQ(Part::TopoShape::getTypeAndIndex(nullptr),
+              std::make_pair(std::string(), 0UL));
+}
+// clang-format on