Added north/south pole tests for demprep (#4176)

  ASSERT_EQ(hist->HrsPixels(), 0);

  ASSERT_NEAR(hist->StandardDeviation(), 22217.85549, .00001);

}

TEST(Demprep, DemprepSouthPole){

  Pvl appLog;

  QTemporaryDir prefix;

  QString cubeFileName = prefix.path() + "/padded.cub";

  QVector<QString> args = {"from=data/demprep/ulcn2005_lpo_npole.cub", "to=" + cubeFileName };

  UserInterface options(APP_XML, args);

  try {

   demprep(options, &appLog);

  }

  catch (IException &e) {

    FAIL() << "Unable to prep DEM: " << e.toString().toStdString().c_str() << std::endl;

  }

  Cube cube(cubeFileName);

  ASSERT_EQ(cube.sampleCount(), 250);

  ASSERT_EQ(cube.lineCount(), 251);

  ASSERT_EQ(cube.bandCount(), 1);

  std::unique_ptr<Histogram> hist (cube.histogram());

  ASSERT_NEAR(double(hist->Average()), 1737016.52267, .00001);

  ASSERT_EQ(hist->Sum(), 108997786798);

  ASSERT_EQ(hist->ValidPixels(), 62750);

  ASSERT_EQ(hist->NullPixels(), 0);

  ASSERT_NEAR(hist->StandardDeviation(), 449.297, .001);

}

TEST(Demprep, DemprepNorthPole){

  Pvl appLog;

  QTemporaryDir prefix;

  QString cubeFileName = prefix.path() + "/padded.cub";

  QVector<QString> args = {"from=data/demprep/ulcn2005_lpo_npole.cub", "to=" + cubeFileName };

  UserInterface options(APP_XML, args);

  try {

   demprep(options, &appLog);

  }

  catch (IException &e) {

    FAIL() << "Unable to prep DEM: " << e.toString().toStdString().c_str() << std::endl;

  }

  Cube cube(cubeFileName);

  ASSERT_EQ(cube.sampleCount(), 250);

  ASSERT_EQ(cube.lineCount(), 251);

  ASSERT_EQ(cube.bandCount(), 1);

  std::unique_ptr<Histogram> hist (cube.histogram());

  ASSERT_NEAR(double(hist->Average()), 1737016.52267, .00001);

  ASSERT_DOUBLE_EQ(hist->Sum(), 108997786798);

  ASSERT_EQ(hist->ValidPixels(), 62750);

  ASSERT_EQ(hist->NullPixels(), 0);

  ASSERT_NEAR(hist->StandardDeviation(), 449.297, .001);

}