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-rw-r--r--libs/assimp/test/unit/utPLYImportExport.cpp182
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diff --git a/libs/assimp/test/unit/utPLYImportExport.cpp b/libs/assimp/test/unit/utPLYImportExport.cpp
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+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2022, assimp team
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+#include "UnitTestPCH.h"
+
+#include "AbstractImportExportBase.h"
+#include <assimp/postprocess.h>
+#include <assimp/scene.h>
+#include <assimp/Exporter.hpp>
+#include <assimp/Importer.hpp>
+
+using namespace ::Assimp;
+
+class utPLYImportExport : public AbstractImportExportBase {
+public:
+ virtual bool importerTest() {
+ Assimp::Importer importer;
+ const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/PLY/cube.ply", aiProcess_ValidateDataStructure);
+ EXPECT_EQ(1u, scene->mNumMeshes);
+ EXPECT_NE(nullptr, scene->mMeshes[0]);
+ if (nullptr == scene->mMeshes[0]) {
+ return false;
+ }
+ EXPECT_EQ(8u, scene->mMeshes[0]->mNumVertices);
+ EXPECT_EQ(6u, scene->mMeshes[0]->mNumFaces);
+
+ return (nullptr != scene);
+ }
+
+#ifndef ASSIMP_BUILD_NO_EXPORT
+ virtual bool exporterTest() {
+ Importer importer;
+ Exporter exporter;
+ const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/PLY/cube.ply", aiProcess_ValidateDataStructure);
+ EXPECT_NE(nullptr, scene);
+ EXPECT_EQ(aiReturn_SUCCESS, exporter.Export(scene, "ply", ASSIMP_TEST_MODELS_DIR "/PLY/cube_out.ply"));
+
+ return true;
+ }
+#endif // ASSIMP_BUILD_NO_EXPORT
+};
+
+TEST_F(utPLYImportExport, importTest_Success) {
+ EXPECT_TRUE(importerTest());
+}
+
+#ifndef ASSIMP_BUILD_NO_EXPORT
+
+TEST_F(utPLYImportExport, exportTest_Success) {
+ EXPECT_TRUE(exporterTest());
+}
+
+#endif // ASSIMP_BUILD_NO_EXPORT
+
+//Test issue 1623, crash when loading two PLY files in a row
+TEST_F(utPLYImportExport, importerMultipleTest) {
+ Assimp::Importer importer;
+ const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/PLY/cube.ply", aiProcess_ValidateDataStructure);
+
+ EXPECT_NE(nullptr, scene);
+
+ scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/PLY/cube.ply", aiProcess_ValidateDataStructure);
+
+ EXPECT_NE(nullptr, scene);
+ EXPECT_NE(nullptr, scene->mMeshes[0]);
+ EXPECT_EQ(6u, scene->mMeshes[0]->mNumFaces);
+}
+
+TEST_F(utPLYImportExport, importPLYwithUV) {
+ Assimp::Importer importer;
+ const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/PLY/cube_uv.ply", aiProcess_ValidateDataStructure);
+
+ EXPECT_NE(nullptr, scene);
+ EXPECT_NE(nullptr, scene->mMeshes[0]);
+ //This test model is using n-gons, so 6 faces instead of 12 tris
+ EXPECT_EQ(6u, scene->mMeshes[0]->mNumFaces);
+ EXPECT_EQ(aiPrimitiveType_POLYGON, scene->mMeshes[0]->mPrimitiveTypes);
+ EXPECT_EQ(true, scene->mMeshes[0]->HasTextureCoords(0));
+}
+
+TEST_F(utPLYImportExport, importBinaryPLY) {
+ Assimp::Importer importer;
+ const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/PLY/cube_binary.ply", aiProcess_ValidateDataStructure);
+
+ EXPECT_NE(nullptr, scene);
+ EXPECT_NE(nullptr, scene->mMeshes[0]);
+ //This test model is double sided, so 12 faces instead of 6
+ EXPECT_EQ(12u, scene->mMeshes[0]->mNumFaces);
+}
+
+TEST_F(utPLYImportExport, vertexColorTest) {
+ Assimp::Importer importer;
+ const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/PLY/float-color.ply", aiProcess_ValidateDataStructure);
+ EXPECT_NE(nullptr, scene);
+ EXPECT_EQ(1u, scene->mMeshes[0]->mNumFaces);
+ EXPECT_EQ(aiPrimitiveType_TRIANGLE, scene->mMeshes[0]->mPrimitiveTypes);
+ EXPECT_EQ(true, scene->mMeshes[0]->HasVertexColors(0));
+
+ auto first_face = scene->mMeshes[0]->mFaces[0];
+ EXPECT_EQ(3u, first_face.mNumIndices);
+ EXPECT_EQ(0u, first_face.mIndices[0]);
+ EXPECT_EQ(1u, first_face.mIndices[1]);
+ EXPECT_EQ(2u, first_face.mIndices[2]);
+}
+
+// Test issue #623, PLY importer should not automatically create faces
+TEST_F(utPLYImportExport, pointcloudTest) {
+ Assimp::Importer importer;
+
+ //Could not use aiProcess_ValidateDataStructure since it's missing faces.
+ const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/PLY/issue623.ply", 0);
+ EXPECT_NE(nullptr, scene);
+
+ EXPECT_EQ(1u, scene->mNumMeshes);
+ EXPECT_NE(nullptr, scene->mMeshes[0]);
+ EXPECT_EQ(24u, scene->mMeshes[0]->mNumVertices);
+ EXPECT_EQ(aiPrimitiveType::aiPrimitiveType_POINT, scene->mMeshes[0]->mPrimitiveTypes);
+ EXPECT_EQ(0u, scene->mMeshes[0]->mNumFaces);
+}
+
+static const char *test_file =
+ "ply\n"
+ "format ascii 1.0\n"
+ "element vertex 4\n"
+ "property float x\n"
+ "property float y\n"
+ "property float z\n"
+ "property uchar red\n"
+ "property uchar green\n"
+ "property uchar blue\n"
+ "property float nx\n"
+ "property float ny\n"
+ "property float nz\n"
+ "end_header\n"
+ "0.0 0.0 0.0 255 255 255 0.0 1.0 0.0\n"
+ "0.0 0.0 1.0 255 0 255 0.0 0.0 1.0\n"
+ "0.0 1.0 0.0 255 255 0 1.0 0.0 0.0\n"
+ "0.0 1.0 1.0 0 255 255 1.0 1.0 0.0\n";
+
+TEST_F(utPLYImportExport, parseErrorTest) {
+ Assimp::Importer importer;
+ //Could not use aiProcess_ValidateDataStructure since it's missing faces.
+ const aiScene *scene = importer.ReadFileFromMemory(test_file, strlen(test_file), 0);
+ EXPECT_NE(nullptr, scene);
+}
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