public void TileFetcherWithReturningNull()
{
// Arrange
var tileProvider = new NullTileProvider();
var tileSchema = new GlobalSphericalMercator();
var tileSource = new TileSource(tileProvider, tileSchema);
var tileFetcher = new TileFetcher(tileSource, new MemoryCache <Feature>());
// Act
for (int i = 0; i < 300; i++)
{
for (int j = 0; j < 5; j++)
{
tileFetcher.ViewChanged(tileSchema.Extent.ToBoundingBox(), tileSchema.Resolutions[j.ToString()].UnitsPerPixel);
System.Threading.Thread.Sleep(10);
}
}
// Assert
while (tileFetcher.Busy)
{
}
;
Assert.Pass("The fetcher did not go into an infinite loop");
}
public void TileRequestThatReturnsNullShouldNotBeRequestedAgain()
{
// Arrange
var tileProvider = new NullTileProvider();
var tileSchema = new GlobalSphericalMercator();
var tileSource = new TileSource(tileProvider, tileSchema);
var cache = new MemoryCache <Feature>();
var fetchDispatcher = new TileFetchDispatcher(cache, tileSource.Schema, (tileInfo) => TileToFeature(tileSource, tileInfo));
var tileMachine = new FetchMachine(fetchDispatcher);
var level = "3";
var tilesInLevel = 64;
// Act
fetchDispatcher.SetViewport(tileSchema.Extent.ToBoundingBox(), tileSchema.Resolutions[level].UnitsPerPixel);
tileMachine.Start();
while (fetchDispatcher.Busy)
{
}
// do it again
fetchDispatcher.SetViewport(tileSchema.Extent.ToBoundingBox(), tileSchema.Resolutions[level].UnitsPerPixel);
tileMachine.Start();
while (fetchDispatcher.Busy)
{
Thread.Sleep(1);
}
// Assert
Assert.AreEqual(tilesInLevel, tileProvider.TotalCount);
}
public void TileFetcherWithReturningNull()
{
// Arrange
var tileProvider = new NullTileProvider();
var tileSchema = new GlobalSphericalMercator();
var tileSource = new TileSource(tileProvider, tileSchema);
var tileFetcher = new TileFetcher(tileSource, new MemoryCache<Feature>());
// Act
for (int i = 0; i < 300; i++)
{
for (int j = 0; j < 5; j++)
{
tileFetcher.ViewChanged(tileSchema.Extent.ToBoundingBox(), tileSchema.Resolutions[j.ToString()].UnitsPerPixel);
System.Threading.Thread.Sleep(10);
}
}
// Assert
while (tileFetcher.Busy) { }
Assert.Pass("The fetcher did not go into an infinite loop");
}