From c2acc95befc2e03d8395dead80024a49819b4a23 Mon Sep 17 00:00:00 2001 From: Max Reitz Date: Wed, 24 Jul 2019 19:12:38 +0200 Subject: [PATCH] iotests: Test convert -n to pre-filled image Signed-off-by: Max Reitz Message-id: 20190724171239.8764-11-mreitz@redhat.com Reviewed-by: Maxim Levitsky Signed-off-by: Max Reitz --- 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