From da765870a08aa04e9b97d9e47c0ca6ee7a4faca2 Mon Sep 17 00:00:00 2001
From: Martin Schultz <Martin.Schultz@rwth-aachen.de>
Date: Tue, 27 Jun 2017 13:22:59 +0200
Subject: [PATCH] added unittests for split_edge_copy

---
 src/Unittests/unittests_split_edge_copy.cc | 152 +++++++++++++++++++++
 1 file changed, 152 insertions(+)
 create mode 100644 src/Unittests/unittests_split_edge_copy.cc

diff --git a/src/Unittests/unittests_split_edge_copy.cc b/src/Unittests/unittests_split_edge_copy.cc
new file mode 100644
index 00000000..18ff172a
--- /dev/null
+++ b/src/Unittests/unittests_split_edge_copy.cc
@@ -0,0 +1,152 @@
+
+#include <gtest/gtest.h>
+#include <Unittests/unittests_common.hh>
+#include <iostream>
+
+namespace {
+
+class OpenMeshSplitEdgeCopyTriangleMesh : public OpenMeshBase {
+
+    protected:
+
+        // This function is called before each test is run
+        virtual void SetUp() {
+
+            // Do some initial stuff with the member data here...
+        }
+
+        // This function is called after all tests are through
+        virtual void TearDown() {
+
+            // Do some final stuff with the member data here...
+        }
+
+    // Member already defined in OpenMeshBase
+    //Mesh mesh_;
+};
+
+class OpenMeshSplitEdgeCopyPolyMesh : public OpenMeshBasePoly {
+
+    protected:
+
+        // This function is called before each test is run
+        virtual void SetUp() {
+
+            // Do some initial stuff with the member data here...
+        }
+
+        // This function is called after all tests are through
+        virtual void TearDown() {
+
+            // Do some final stuff with the member data here...
+        }
+
+    // Member already defined in OpenMeshBase
+    //Mesh mesh_;
+};
+
+/*
+ * ====================================================================
+ * Define tests below
+ * ====================================================================
+ */
+
+/* splits an edge that has a property in a triangle mesh with split_edge_copy
+ * the property should be copied to the new edge
+ */
+TEST_F(OpenMeshSplitEdgeCopyTriangleMesh, SplitEdgeCopyTriangleMesh) {
+
+  mesh_.clear();
+  mesh_.request_edge_status();
+
+  // Add some vertices
+  Mesh::VertexHandle vhandle[4];
+
+  vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 0, 0));
+  vhandle[1] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
+  vhandle[2] = mesh_.add_vertex(Mesh::Point(1, 1, 0));
+  vhandle[3] = mesh_.add_vertex(Mesh::Point(0.25, 0.25, 0));
+
+  // Add one face
+  std::vector<Mesh::VertexHandle> face_vhandles;
+
+  face_vhandles.push_back(vhandle[2]);
+  face_vhandles.push_back(vhandle[1]);
+  face_vhandles.push_back(vhandle[0]);
+
+  Mesh::FaceHandle fh = mesh_.add_face(face_vhandles);
+  Mesh::EdgeHandle eh = *mesh_.edges_begin();
+
+  // Test setup:
+  //  1 === 2
+  //  |   /
+  //  |  /
+  //  | /
+  //  0
+
+  // set property
+  OpenMesh::EPropHandleT<int> eprop_int;
+  mesh_.add_property(eprop_int);
+  mesh_.property(eprop_int, eh) = 999;
+  //set internal property
+  mesh_.status(eh).set_tagged(true);
+
+  // split face with new vertex
+  mesh_.split_edge_copy(eh, vhandle[3]);
+
+  // Check setup
+  EXPECT_EQ(999, mesh_.property(eprop_int, *(mesh_.edges_begin()++))) << "Different Property value";
+  EXPECT_TRUE(mesh_.status(*(mesh_.edges_begin()++)).tagged()) << "Different internal property value";
+}
+
+/* splits an edge that has a property in a poly mesh with split_edge_copy
+ * the property should be copied to the new faces
+ */
+TEST_F(OpenMeshSplitEdgeCopyPolyMesh, SplitEdgeCopyPolymesh) {
+
+  mesh_.clear();
+  mesh_.request_edge_status();
+
+  // Add some vertices
+  Mesh::VertexHandle vhandle[5];
+
+  vhandle[0] = mesh_.add_vertex(PolyMesh::Point(0, 0, 0));
+  vhandle[1] = mesh_.add_vertex(PolyMesh::Point(0, 1, 0));
+  vhandle[2] = mesh_.add_vertex(PolyMesh::Point(1, 1, 0));
+  vhandle[3] = mesh_.add_vertex(PolyMesh::Point(1, 0, 0));
+  vhandle[4] = mesh_.add_vertex(PolyMesh::Point(0.5, 0.5, 0));
+
+  // Add face
+  std::vector<Mesh::VertexHandle> face_vhandles;
+
+  face_vhandles.push_back(vhandle[0]);
+  face_vhandles.push_back(vhandle[1]);
+  face_vhandles.push_back(vhandle[2]);
+  face_vhandles.push_back(vhandle[3]);
+
+  PolyMesh::FaceHandle fh = mesh_.add_face(face_vhandles);
+  PolyMesh::EdgeHandle eh = *mesh_.edges_begin();
+
+  // Test setup:
+  //  1 === 2
+  //  |     |
+  //  |     |
+  //  |     |
+  //  0 === 3
+
+  // set property
+  OpenMesh::EPropHandleT<int> eprop_int;
+  mesh_.add_property(eprop_int);
+  mesh_.property(eprop_int, eh) = 999;
+  //set internal property
+  mesh_.status(eh).set_tagged(true);
+
+
+  // split face with new vertex
+  mesh_.split_edge_copy(eh, vhandle[4]);
+
+  // Check setup  
+  EXPECT_EQ(999, mesh_.property(eprop_int, *(mesh_.edges_begin()++))) << "Different Property value";
+  EXPECT_TRUE(mesh_.status(*(mesh_.edges_begin()++)).tagged()) << "Different internal property value";
+}
+}