public async Task TestPrefetch()
{
await _imagePipeline.PrefetchToDiskCacheAsync(IMAGE2_URL).ConfigureAwait(false);
Assert.IsFalse(_imagePipeline.IsInBitmapMemoryCache(IMAGE2_URL));
Assert.IsTrue(await _imagePipeline.IsInDiskCacheAsync(IMAGE2_URL).ConfigureAwait(false));
await _imagePipeline.PrefetchToBitmapCacheAsync(IMAGE2_URL).ConfigureAwait(false);
Assert.IsTrue(_imagePipeline.IsInBitmapMemoryCache(IMAGE2_URL));
Assert.IsTrue(await _imagePipeline.IsInDiskCacheAsync(IMAGE2_URL).ConfigureAwait(false));
}
private async void PrefetchImage()
{
try
{
Uri uri = MainPage.GenerateImageUri();
await _imagePipeline.PrefetchToDiskCacheAsync(uri);
}
catch (Exception)
{
// Invalid uri, try again
PrefetchImage();
}
}
