Re: [Qemu-devel] [PATCH] tests/test-hbitmap: test next_zero and _next_dirty_area after truncate

[John Snow]

On 8/5/19 12:46 PM, Vladimir Sementsov-Ogievskiy wrote:
> Test that hbitmap_next_zero and hbitmap_next_dirty_area can find things
> after old bitmap end.
> 
> Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
> ---
> 
> It's a follow-up for 
> 
>     [PATCH for-4.1] util/hbitmap: update orig_size on truncate
> 
>  tests/test-hbitmap.c | 22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)
> 
> diff --git a/tests/test-hbitmap.c b/tests/test-hbitmap.c
> index 592d8219db..eed5d288cb 100644
> --- a/tests/test-hbitmap.c
> +++ b/tests/test-hbitmap.c
> @@ -1004,6 +1004,15 @@ static void test_hbitmap_next_zero_4(TestHBitmapData 
> *data, const void *unused)
>      test_hbitmap_next_zero_do(data, 4);
>  }
>  
> +static void test_hbitmap_next_zero_after_truncate(TestHBitmapData *data,
> +                                                  const void *unused)
> +{
> +    hbitmap_test_init(data, L1, 0);
> +    hbitmap_test_truncate_impl(data, L1 * 2);
> +    hbitmap_set(data->hb, 0, L1);
> +    test_hbitmap_next_zero_check(data, 0);
> +}
> +
>  static void test_hbitmap_next_dirty_area_check(TestHBitmapData *data,
>                                                 uint64_t offset,
>                                                 uint64_t count)
> @@ -1104,6 +1113,15 @@ static void 
> test_hbitmap_next_dirty_area_4(TestHBitmapData *data,
>      test_hbitmap_next_dirty_area_do(data, 4);
>  }
>  
> +static void test_hbitmap_next_dirty_area_after_truncate(TestHBitmapData 
> *data,
> +                                                        const void *unused)
> +{
> +    hbitmap_test_init(data, L1, 0);
> +    hbitmap_test_truncate_impl(data, L1 * 2);
> +    hbitmap_set(data->hb, L1 + 1, 1);
> +    test_hbitmap_next_dirty_area_check(data, 0, UINT64_MAX);
> +}
> +
>  int main(int argc, char **argv)
>  {
>      g_test_init(&argc, &argv, NULL);
> @@ -1169,6 +1187,8 @@ int main(int argc, char **argv)
>                       test_hbitmap_next_zero_0);
>      hbitmap_test_add("/hbitmap/next_zero/next_zero_4",
>                       test_hbitmap_next_zero_4);
> +    hbitmap_test_add("/hbitmap/next_zero/next_zero_after_truncate",
> +                     test_hbitmap_next_zero_after_truncate);
>  
>      hbitmap_test_add("/hbitmap/next_dirty_area/next_dirty_area_0",
>                       test_hbitmap_next_dirty_area_0);
> @@ -1176,6 +1196,8 @@ int main(int argc, char **argv)
>                       test_hbitmap_next_dirty_area_1);
>      hbitmap_test_add("/hbitmap/next_dirty_area/next_dirty_area_4",
>                       test_hbitmap_next_dirty_area_4);
> +    
> hbitmap_test_add("/hbitmap/next_dirty_area/next_dirty_area_after_truncate",
> +                     test_hbitmap_next_dirty_area_after_truncate);
>  
>      g_test_run();
>  
> 

Tested-by: John Snow <address@hidden>
Reviewed-by: John Snow <address@hidden>

And staged:

Thanks, applied to my bitmaps tree:

https://github.com/jnsnow/qemu/commits/bitmaps
https://github.com/jnsnow/qemu.git

--js