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-rwxr-xr-xtests/qemu-iotests/07520
1 files changed, 20 insertions, 0 deletions
diff --git a/tests/qemu-iotests/075 b/tests/qemu-iotests/075
index 88ae8bb180..8f54a99b14 100755
--- a/tests/qemu-iotests/075
+++ b/tests/qemu-iotests/075
@@ -42,11 +42,31 @@ _supported_fmt cloop
_supported_proto generic
_supported_os Linux
+block_size_offset=128
+
echo
echo "== check that the first sector can be read =="
_use_sample_img simple-pattern.cloop.bz2
$QEMU_IO -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
+echo
+echo "== block_size must be a multiple of 512 =="
+_use_sample_img simple-pattern.cloop.bz2
+poke_file "$TEST_IMG" "$block_size_offset" "\x00\x00\x02\x01"
+$QEMU_IO -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
+
+echo
+echo "== block_size cannot be zero =="
+_use_sample_img simple-pattern.cloop.bz2
+poke_file "$TEST_IMG" "$block_size_offset" "\x00\x00\x00\x00"
+$QEMU_IO -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
+
+echo
+echo "== huge block_size ==="
+_use_sample_img simple-pattern.cloop.bz2
+poke_file "$TEST_IMG" "$block_size_offset" "\xff\xff\xfe\x00"
+$QEMU_IO -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
+
# success, all done
echo "*** done"
rm -f $seq.full