public void PlyGeneration()
{
// Initialize
string[] easyDummy = { SYNTHETIC_EASY };
// Execute
BoidsExperiment easy = new BoidsExperiment(easyDummy);
string ply = easy.BoidPly(); // Don't accidentally ToString your BoidsExperiments; you will NOT get a ply file.
// Check
Assert.IsNotNull(ply);
// Prepare the correct header.
StringBuilder correctPlyHeader = new StringBuilder();
correctPlyHeader.Append("ply\n");
correctPlyHeader.Append("format ascii 1.0\n");
correctPlyHeader.Append("comment created by boidsTransformer\n");
correctPlyHeader.Append("element vertex " + 441 + "\n");
correctPlyHeader.Append("property float64 x\n");
correctPlyHeader.Append("property float64 y\n");
correctPlyHeader.Append("property float64 z\n");
correctPlyHeader.Append("property float64 vx\n");
correctPlyHeader.Append("property float64 vy\n");
correctPlyHeader.Append("property float64 vz\n");
correctPlyHeader.Append("property float64 s\n");
correctPlyHeader.Append("element face " + 400 + "\n");
correctPlyHeader.Append("property list uint8 int32 vertex_indices\n");
correctPlyHeader.Append("end_header\n");
string correct_ply_str = correctPlyHeader.ToString();
Assert.IsTrue(ply.Length > 0);
Assert.IsTrue(ply.Length > correctPlyHeader.Length);
Assert.IsTrue(correctPlyHeader.Equals(ply.Substring(0, correct_ply_str.Length)),
"Expected: \"" + correct_ply_str + "\", but got \"" + ply.Substring(0, correct_ply_str.Length) + "\".");
// REGEX check the body.
Regex bodyCheck = new Regex(@"(?:(?:-?[\d\.]+\s+){7})+(?:(?:[\d]+\s+){5})+",
RegexOptions.Compiled | RegexOptions.IgnoreCase);
Assert.IsTrue(bodyCheck.IsMatch(ply));
}
