public virtual void TileXToLongitudeTest()
{
foreach (int tileSize in TILE_SIZES)
{
for (sbyte zoomLevel = ZOOM_LEVEL_MIN; zoomLevel <= ZOOM_LEVEL_MAX; ++zoomLevel)
{
double longitude = MercatorProjection.TileXToLongitude(0, zoomLevel);
Assert.AreEqual(LatLongUtils.LONGITUDE_MIN, longitude, 0);
longitude = MercatorProjection.TileXToLongitude(0, MercatorProjection.ZoomLevelToScaleFactor(zoomLevel));
Assert.AreEqual(LatLongUtils.LONGITUDE_MIN, longitude, 0);
long tileX = MercatorProjection.GetMapSize(zoomLevel, tileSize) / tileSize;
longitude = MercatorProjection.TileXToLongitude(tileX, zoomLevel);
Assert.AreEqual(LatLongUtils.LONGITUDE_MAX, longitude, 0);
tileX = MercatorProjection.GetMapSizeWithScaleFactor(MercatorProjection.ZoomLevelToScaleFactor(zoomLevel), tileSize) / tileSize;
longitude = MercatorProjection.TileXToLongitude(tileX, MercatorProjection.ZoomLevelToScaleFactor(zoomLevel));
Assert.AreEqual(LatLongUtils.LONGITUDE_MAX, longitude, 0);
}
}
}
