public void SymmetricMatrixTestToArray() { double[,] array = { { 1, 2 }, { 2, 8 } }; DynSymmetricMatrix martix = new DynSymmetricMatrix(array); double[,] arrayRes = martix.ToArray(); bool error = false; for (int i = 0; i < array.GetLength(0); i++) { for (int j = 0; j < array.GetLength(1); j++) { if (array[i, j] != arrayRes[i, j]) { error = true; } } } Assert.False(error); }