1 files changed, 147 insertions, 0 deletions
diff --git a/NvCloth/samples/external/assimp-4.1.0/test/unit/utFindDegenerates.cpp b/NvCloth/samples/external/assimp-4.1.0/test/unit/utFindDegenerates.cpp
new file mode 100644
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+++ b/NvCloth/samples/external/assimp-4.1.0/test/unit/utFindDegenerates.cpp
@@ -0,0 +1,147 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2017, 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 <FindDegenerates.h>
+
+
+using namespace std;
+using namespace Assimp;
+
+class FindDegeneratesProcessTest : public ::testing::Test {
+public:
+    virtual void SetUp();
+    virtual void TearDown();
+
+protected:
+    aiMesh* mesh;
+    FindDegeneratesProcess* process;
+};
+
+// ------------------------------------------------------------------------------------------------
+void FindDegeneratesProcessTest::SetUp() {
+    mesh = new aiMesh();
+    process = new FindDegeneratesProcess();
+
+    mesh->mNumFaces = 1000;
+    mesh->mFaces = new aiFace[1000];
+
+    mesh->mNumVertices = 5000*2;
+    mesh->mVertices = new aiVector3D[5000*2];
+
+    for (unsigned int i = 0; i < 5000; ++i) {
+        mesh->mVertices[i] = mesh->mVertices[i+5000] = aiVector3D((float)i);
+    }
+
+    mesh->mPrimitiveTypes = aiPrimitiveType_LINE | aiPrimitiveType_POINT |
+    aiPrimitiveType_POLYGON | aiPrimitiveType_TRIANGLE;
+
+    unsigned int numOut = 0, numFaces = 0;
+    for (unsigned int i = 0; i < 1000; ++i) {
+        aiFace& f = mesh->mFaces[i];
+    f.mNumIndices = (i % 5)+1; // between 1 and 5
+    f.mIndices = new unsigned int[f.mNumIndices];
+    bool had = false;
+    for (unsigned int n = 0; n < f.mNumIndices;++n) {
+        // FIXME
+#if 0
+        // some duplicate indices
+        if ( n && n == (i / 200)+1) {
+            f.mIndices[n] = f.mIndices[n-1];
+            had = true;
+        }
+        // and some duplicate vertices
+#endif
+        if (n && i % 2 && 0 == n % 2) {
+            f.mIndices[n] = f.mIndices[n-1]+5000;
+            had = true;
+        }
+        else {
+            f.mIndices[n] = numOut++;
+            }
+        }
+        if (!had)
+            ++numFaces;
+    }
+    mesh->mNumUVComponents[0] = numOut;
+    mesh->mNumUVComponents[1] = numFaces;
+}
+
+void FindDegeneratesProcessTest::TearDown() {
+    delete mesh;
+    delete process;
+}
+
+TEST_F(FindDegeneratesProcessTest, testDegeneratesDetection) {
+    process->EnableInstantRemoval(false);
+    process->ExecuteOnMesh(mesh);
+
+    unsigned int out = 0;
+    for (unsigned int i = 0; i < 1000; ++i) {
+        aiFace& f = mesh->mFaces[i];
+        out += f.mNumIndices;
+    }
+
+    EXPECT_EQ(1000U, mesh->mNumFaces);
+    EXPECT_EQ(10000U, mesh->mNumVertices);
+    EXPECT_EQ(out, mesh->mNumUVComponents[0]);
+    EXPECT_EQ(static_cast<unsigned int>(
+                  aiPrimitiveType_LINE | aiPrimitiveType_POINT |
+                  aiPrimitiveType_POLYGON | aiPrimitiveType_TRIANGLE),
+              mesh->mPrimitiveTypes);
+}
+
+TEST_F(FindDegeneratesProcessTest, testDegeneratesRemoval) {
+    process->EnableAreaCheck(false);
+    process->EnableInstantRemoval(true);
+    process->ExecuteOnMesh(mesh);
+
+    EXPECT_EQ(mesh->mNumUVComponents[1], mesh->mNumFaces);
+}
+
+TEST_F(FindDegeneratesProcessTest, testDegeneratesRemovalWithAreaCheck) {
+    process->EnableAreaCheck(true);
+    process->EnableInstantRemoval(true);
+    process->ExecuteOnMesh(mesh);
+
+    EXPECT_EQ(mesh->mNumUVComponents[1]-100, mesh->mNumFaces);
+}