Add unit test for correct FBX phong material import.

test/unit/utFBXImporterExporter.cpp

@@ -46,6 +46,9 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include <assimp/Importer.hpp>
 #include <assimp/postprocess.h>
+#include <assimp/material.h>
+#include <assimp/scene.h>
+#include <assimp/types.h>
 
 using namespace Assimp;
 
@@ -67,3 +70,30 @@ TEST_F( utFBXImporterExporter, importBareBoxWithoutColorsAndTextureCoords ) {
     const aiScene *scene = importer.ReadFile( ASSIMP_TEST_MODELS_DIR "/FBX/box.fbx", aiProcess_ValidateDataStructure );
     EXPECT_NE( nullptr, scene );
 }
+
+TEST_F( utFBXImporterExporter, importPhongMaterial ) {
+    Assimp::Importer importer;
+    const aiScene *scene = importer.ReadFile( ASSIMP_TEST_MODELS_DIR "/FBX/phong_cube.fbx", aiProcess_ValidateDataStructure );
+    EXPECT_NE( nullptr, scene );
+    EXPECT_EQ( (unsigned int)1, scene->mNumMaterials );
+    const aiMaterial *mat = scene->mMaterials[0];
+    EXPECT_NE( nullptr, mat );
+    float f; aiColor3D c;
+    // phong_cube.fbx has all properties defined
+    EXPECT_EQ( mat->Get(AI_MATKEY_COLOR_DIFFUSE, c), aiReturn_SUCCESS );
+    EXPECT_EQ( c, aiColor3D(0.5, 0.25, 0.25) );
+    EXPECT_EQ( mat->Get(AI_MATKEY_COLOR_SPECULAR, c), aiReturn_SUCCESS );
+    EXPECT_EQ( c, aiColor3D(0.25, 0.25, 0.5) );
+    EXPECT_EQ( mat->Get(AI_MATKEY_SHININESS_STRENGTH, f), aiReturn_SUCCESS );
+    EXPECT_EQ( f, 0.5 );
+    EXPECT_EQ( mat->Get(AI_MATKEY_SHININESS, f), aiReturn_SUCCESS );
+    EXPECT_EQ( f, 10.0 );
+    EXPECT_EQ( mat->Get(AI_MATKEY_COLOR_AMBIENT, c), aiReturn_SUCCESS );
+    EXPECT_EQ( c, aiColor3D(0.125, 0.25, 0.25) );
+    EXPECT_EQ( mat->Get(AI_MATKEY_COLOR_EMISSIVE, c), aiReturn_SUCCESS );
+    EXPECT_EQ( c, aiColor3D(0.25, 0.125, 0.25) );
+    EXPECT_EQ( mat->Get(AI_MATKEY_COLOR_TRANSPARENT, c), aiReturn_SUCCESS );
+    EXPECT_EQ( c, aiColor3D(0.75, 0.5, 0.25) );
+    EXPECT_EQ( mat->Get(AI_MATKEY_OPACITY, f), aiReturn_SUCCESS );
+    EXPECT_EQ( f, 0.5 );
+}