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Re: [Qemu-devel] [PATCH v2 10/11] iotests: Test convert -n to pre-filled


From: Maxim Levitsky
Subject: Re: [Qemu-devel] [PATCH v2 10/11] iotests: Test convert -n to pre-filled image
Date: Thu, 25 Jul 2019 18:30:48 +0300

On Wed, 2019-07-24 at 19:12 +0200, Max Reitz wrote:
> Signed-off-by: Max Reitz <address@hidden>
> ---
>  tests/qemu-iotests/122     | 17 +++++++++++++++++
>  tests/qemu-iotests/122.out |  8 ++++++++
>  2 files changed, 25 insertions(+)
> 
> diff --git a/tests/qemu-iotests/122 b/tests/qemu-iotests/122
> index 85c3a8d047..059011ebb1 100755
> --- a/tests/qemu-iotests/122
> +++ b/tests/qemu-iotests/122
> @@ -257,6 +257,23 @@ for min_sparse in 4k 8k; do
>      $QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map
>  done
>  
> +
> +echo
> +echo '=== -n to a non-zero image ==='
> +echo
> +
> +# Keep source zero
> +_make_test_img 64M
> +
> +# Output is not zero, but has bdrv_has_zero_init() == 1
> +TEST_IMG="$TEST_IMG".orig _make_test_img 64M
> +$QEMU_IO -c "write -P 42 0 64k" "$TEST_IMG".orig | _filter_qemu_io
> +
> +# Convert with -n, which should not assume that the target is zeroed
> +$QEMU_IMG convert -O $IMGFMT -n "$TEST_IMG" "$TEST_IMG".orig
> +
> +$QEMU_IMG compare "$TEST_IMG" "$TEST_IMG".orig
> +
>  # success, all done
>  echo '*** done'
>  rm -f $seq.full
> diff --git a/tests/qemu-iotests/122.out b/tests/qemu-iotests/122.out
> index c576705284..849b6cc2ef 100644
> --- a/tests/qemu-iotests/122.out
> +++ b/tests/qemu-iotests/122.out
> @@ -220,4 +220,12 @@ convert -c -S 8k
>  { "start": 9216, "length": 8192, "depth": 0, "zero": true, "data": false},
>  { "start": 17408, "length": 1024, "depth": 0, "zero": false, "data": true},
>  { "start": 18432, "length": 67090432, "depth": 0, "zero": true, "data": 
> false}]
> +
> +=== -n to a non-zero image ===
> +
> +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
> +Formatting 'TEST_DIR/t.IMGFMT.orig', fmt=IMGFMT size=67108864
> +wrote 65536/65536 bytes at offset 0
> +64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
> +Images are identical.
>  *** done


Reviewed-by: Maxim Levitsky <address@hidden>
Best regards,
        Maxim Levitsky





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