qcow2: add iotests to cover LUKS encryption support

[qemu.git] / tests / qemu-iotests / 097

diff --git a/tests/qemu-iotests/097 b/tests/qemu-iotests/097
index 01d8dd03317a784f13e18669ae7547eb7382e5cb..e22670c8d06cab593a472b238da415a8907ea161 100755 (executable)
--- a/tests/qemu-iotests/097
+++ b/tests/qemu-iotests/097
@@ -46,7 +46,7 @@ _supported_proto file
 _supported_os Linux
 
 
-# Four passes:
+# Four main passes:
 #  0: Two-layer backing chain, commit to upper backing file (implicitly)
 #     (in this case, the top image will be emptied)
 #  1: Two-layer backing chain, commit to upper backing file (explicitly)
@@ -58,20 +58,23 @@ _supported_os Linux
 #
 # 020 already tests committing, so this only tests whether image chains are
 # working properly and that all images above the base are emptied; therefore,
-# no complicated patterns are necessary
+# no complicated patterns are necessary.  Check near the 2G mark, as qcow2
+# has been buggy at that boundary in the past.
 for i in 0 1 2 3; do
 
 echo
 echo "=== Test pass $i ==="
 echo
 
-TEST_IMG="$TEST_IMG.base" _make_test_img 64M
-TEST_IMG="$TEST_IMG.itmd" _make_test_img -b "$TEST_IMG.base" 64M
-_make_test_img -b "$TEST_IMG.itmd" 64M
+len=$((2100 * 1024 * 1024 + 512)) # larger than 2G, and not cluster aligned
+TEST_IMG="$TEST_IMG.base" _make_test_img $len
+TEST_IMG="$TEST_IMG.itmd" _make_test_img -b "$TEST_IMG.base" $len
+_make_test_img -b "$TEST_IMG.itmd" $len
 
-$QEMU_IO -c 'write -P 1 0 192k' "$TEST_IMG.base" | _filter_qemu_io
-$QEMU_IO -c 'write -P 2 64k 128k' "$TEST_IMG.itmd" | _filter_qemu_io
-$QEMU_IO -c 'write -P 3 128k 64k' "$TEST_IMG" | _filter_qemu_io
+$QEMU_IO -c "write -P 1 0x7ffd0000 192k" "$TEST_IMG.base" | _filter_qemu_io
+$QEMU_IO -c "write -P 2 0x7ffe0000 128k" "$TEST_IMG.itmd" | _filter_qemu_io
+$QEMU_IO -c "write -P 3 0x7fff0000 64k" "$TEST_IMG" | _filter_qemu_io
+$QEMU_IO -c "write -P 4 $(($len - 512)) 512" "$TEST_IMG" | _filter_qemu_io
 
 if [ $i -lt 3 ]; then
     if [ $i == 0 ]; then
@@ -88,12 +91,14 @@ if [ $i -lt 3 ]; then
     fi
 
     # Bottom should be unchanged
-    $QEMU_IO -c 'read -P 1 0 192k' "$TEST_IMG.base" | _filter_qemu_io
+    $QEMU_IO -c 'read -P 1 0x7ffd0000 192k' "$TEST_IMG.base" | _filter_qemu_io
+    $QEMU_IO -c "read -P 0 $((len - 512)) 512" "$TEST_IMG.base" | _filter_qemu_io
 
     # Intermediate should contain changes from top
-    $QEMU_IO -c 'read -P 1 0 64k' "$TEST_IMG.itmd" | _filter_qemu_io
-    $QEMU_IO -c 'read -P 2 64k 64k' "$TEST_IMG.itmd" | _filter_qemu_io
-    $QEMU_IO -c 'read -P 3 128k 64k' "$TEST_IMG.itmd" | _filter_qemu_io
+    $QEMU_IO -c 'read -P 1 0x7ffd0000 64k' "$TEST_IMG.itmd" | _filter_qemu_io
+    $QEMU_IO -c 'read -P 2 0x7ffe0000 64k' "$TEST_IMG.itmd" | _filter_qemu_io
+    $QEMU_IO -c 'read -P 3 0x7fff0000 64k' "$TEST_IMG.itmd" | _filter_qemu_io
+    $QEMU_IO -c "read -P 4 $((len - 512)) 512" "$TEST_IMG.itmd" | _filter_qemu_io
 
     # And in pass 0, the top image should be empty, whereas in both other passes
     # it should be unchanged (which is both checked by qemu-img map)
@@ -101,9 +106,10 @@ else
     $QEMU_IMG commit -b "$TEST_IMG.base" "$TEST_IMG"
 
     # Bottom should contain all changes
-    $QEMU_IO -c 'read -P 1 0 64k' "$TEST_IMG.base" | _filter_qemu_io
-    $QEMU_IO -c 'read -P 2 64k 64k' "$TEST_IMG.base" | _filter_qemu_io
-    $QEMU_IO -c 'read -P 3 128k 64k' "$TEST_IMG.base" | _filter_qemu_io
+    $QEMU_IO -c 'read -P 1 0x7ffd0000 64k' "$TEST_IMG.base" | _filter_qemu_io
+    $QEMU_IO -c 'read -P 2 0x7ffe0000 64k' "$TEST_IMG.base" | _filter_qemu_io
+    $QEMU_IO -c 'read -P 3 0x7fff0000 64k' "$TEST_IMG.base" | _filter_qemu_io
+    $QEMU_IO -c "read -P 4 $((len - 512)) 512" "$TEST_IMG.base" | _filter_qemu_io
 
     # Both top and intermediate should be unchanged
 fi