public virtual void TileYToLatitudeTest()
{
foreach (int tileSize in TILE_SIZES)
{
for (sbyte zoomLevel = ZOOM_LEVEL_MIN; zoomLevel <= ZOOM_LEVEL_MAX; ++zoomLevel)
{
double latitude = MercatorProjection.TileYToLatitude(0, zoomLevel);
Assert.AreEqual(MercatorProjection.LATITUDE_MAX, latitude, 0);
latitude = MercatorProjection.TileYToLatitude(0, MercatorProjection.ZoomLevelToScaleFactor(zoomLevel));
Assert.AreEqual(MercatorProjection.LATITUDE_MAX, latitude, 0);
long tileY = MercatorProjection.GetMapSize(zoomLevel, tileSize) / tileSize;
latitude = MercatorProjection.TileYToLatitude(tileY, zoomLevel);
Assert.AreEqual(MercatorProjection.LATITUDE_MIN, latitude, 0);
tileY = MercatorProjection.GetMapSizeWithScaleFactor(MercatorProjection.ZoomLevelToScaleFactor(zoomLevel), tileSize) / tileSize;
latitude = MercatorProjection.TileYToLatitude(tileY, MercatorProjection.ZoomLevelToScaleFactor(zoomLevel));
Assert.AreEqual(MercatorProjection.LATITUDE_MIN, latitude, 0);
}
}
}