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From: | Eric Blake |
Subject: | Re: [Qemu-devel] [PATCH for-2.12 12/12] qemu-iotests: Test vhdx image creation with QMP |
Date: | Tue, 20 Mar 2018 13:53:14 -0500 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 |
On 03/20/2018 12:36 PM, Kevin Wolf wrote:
Signed-off-by: Kevin Wolf <address@hidden> --- tests/qemu-iotests/213 | 349 +++++++++++++++++++++++++++++++++++++++++++++ tests/qemu-iotests/213.out | 121 ++++++++++++++++ tests/qemu-iotests/group | 1 + 3 files changed, 471 insertions(+) create mode 100755 tests/qemu-iotests/213 create mode 100644 tests/qemu-iotests/213.out
+ +echo +echo "=== Invalid sizes ===" +echo + +# TODO Negative image sizes aren't handled correctly, but this is a problem +# with QAPI's implementation of the 'size' type and affects other commands as +# well. Once this is fixed, we may want to add a test case here. + +# 1. 2^64 - 512 +# 2. 2^63 = 8 EB (qemu-img enforces image sizes less than this) +# 3. 2^63 - 512 (generally valid, but with the crypto header the file will +# exceed 63 bits)
Same comments as before on whether this comment is slightly stale after copy-and-paste.
+# 4. 2^46 + 1 (512 bytes more than maximum image size)
Does this image format require 512-byte alignment? If so, are you missing a test of unaligned sizes? If not, why not just 1 byte more than the maximum?
-- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3266 Virtualization: qemu.org | libvirt.org
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