Add qemu 2.4.0

Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>

1 files changed, 540 insertions, 0 deletions

diff --git a/qemu/tests/qemu-iotests/082.out b/qemu/tests/qemu-iotests/082.out
new file mode 100644
index 000000000..3a749b825
--- /dev/null
+++ b/qemu/tests/qemu-iotests/082.out
@@ -0,0 +1,540 @@
+QA output created by 082
+
+=== create: Options specified more than once ===
+
+Testing: create -f foo -f qcow2 TEST_DIR/t.qcow2 128M
+Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
+image: TEST_DIR/t.IMGFMT
+file format: IMGFMT
+virtual size: 128M (134217728 bytes)
+cluster_size: 65536
+
+Testing: create -f qcow2 -o cluster_size=4k -o lazy_refcounts=on TEST_DIR/t.qcow2 128M
+Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 encryption=off cluster_size=4096 lazy_refcounts=on refcount_bits=16
+image: TEST_DIR/t.IMGFMT
+file format: IMGFMT
+virtual size: 128M (134217728 bytes)
+cluster_size: 4096
+Format specific information:
+    compat: 1.1
+    lazy refcounts: true
+    refcount bits: 16
+    corrupt: false
+
+Testing: create -f qcow2 -o cluster_size=4k -o lazy_refcounts=on -o cluster_size=8k TEST_DIR/t.qcow2 128M
+Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 encryption=off cluster_size=8192 lazy_refcounts=on refcount_bits=16
+image: TEST_DIR/t.IMGFMT
+file format: IMGFMT
+virtual size: 128M (134217728 bytes)
+cluster_size: 8192
+Format specific information:
+    compat: 1.1
+    lazy refcounts: true
+    refcount bits: 16
+    corrupt: false
+
+Testing: create -f qcow2 -o cluster_size=4k,cluster_size=8k TEST_DIR/t.qcow2 128M
+Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 encryption=off cluster_size=8192 lazy_refcounts=off refcount_bits=16
+image: TEST_DIR/t.IMGFMT
+file format: IMGFMT
+virtual size: 128M (134217728 bytes)
+cluster_size: 8192
+
+=== create: help for -o ===
+
+Testing: create -f qcow2 -o help TEST_DIR/t.qcow2 128M
+Supported options:
+size             Virtual disk size
+compat           Compatibility level (0.10 or 1.1)
+backing_file     File name of a base image
+backing_fmt      Image format of the base image
+encryption       Encrypt the image
+cluster_size     qcow2 cluster size
+preallocation    Preallocation mode (allowed values: off, metadata, falloc, full)
+lazy_refcounts   Postpone refcount updates
+refcount_bits    Width of a reference count entry in bits
+nocow            Turn off copy-on-write (valid only on btrfs)
+
+Testing: create -f qcow2 -o ? TEST_DIR/t.qcow2 128M
+Supported options:
+size             Virtual disk size
+compat           Compatibility level (0.10 or 1.1)
+backing_file     File name of a base image
+backing_fmt      Image format of the base image
+encryption       Encrypt the image
+cluster_size     qcow2 cluster size
+preallocation    Preallocation mode (allowed values: off, metadata, falloc, full)
+lazy_refcounts   Postpone refcount updates
+refcount_bits    Width of a reference count entry in bits
+nocow            Turn off copy-on-write (valid only on btrfs)
+
+Testing: create -f qcow2 -o cluster_size=4k,help TEST_DIR/t.qcow2 128M
+Supported options:
+size             Virtual disk size
+compat           Compatibility level (0.10 or 1.1)
+backing_file     File name of a base image
+backing_fmt      Image format of the base image
+encryption       Encrypt the image
+cluster_size     qcow2 cluster size
+preallocation    Preallocation mode (allowed values: off, metadata, falloc, full)
+lazy_refcounts   Postpone refcount updates
+refcount_bits    Width of a reference count entry in bits
+nocow            Turn off copy-on-write (valid only on btrfs)
+
+Testing: create -f qcow2 -o cluster_size=4k,? TEST_DIR/t.qcow2 128M
+Supported options:
+size             Virtual disk size
+compat           Compatibility level (0.10 or 1.1)
+backing_file     File name of a base image
+backing_fmt      Image format of the base image
+encryption       Encrypt the image
+cluster_size     qcow2 cluster size
+preallocation    Preallocation mode (allowed values: off, metadata, falloc, full)
+lazy_refcounts   Postpone refcount updates
+refcount_bits    Width of a reference count entry in bits
+nocow            Turn off copy-on-write (valid only on btrfs)
+
+Testing: create -f qcow2 -o help,cluster_size=4k TEST_DIR/t.qcow2 128M
+Supported options:
+size             Virtual disk size
+compat           Compatibility level (0.10 or 1.1)
+backing_file     File name of a base image
+backing_fmt      Image format of the base image
+encryption       Encrypt the image
+cluster_size     qcow2 cluster size
+preallocation    Preallocation mode (allowed values: off, metadata, falloc, full)
+lazy_refcounts   Postpone refcount updates
+refcount_bits    Width of a reference count entry in bits
+nocow            Turn off copy-on-write (valid only on btrfs)
+
+Testing: create -f qcow2 -o ?,cluster_size=4k TEST_DIR/t.qcow2 128M
+Supported options:
+size             Virtual disk size
+compat           Compatibility level (0.10 or 1.1)
+backing_file     File name of a base image
+backing_fmt      Image format of the base image
+encryption       Encrypt the image
+cluster_size     qcow2 cluster size
+preallocation    Preallocation mode (allowed values: off, metadata, falloc, full)
+lazy_refcounts   Postpone refcount updates
+refcount_bits    Width of a reference count entry in bits
+nocow            Turn off copy-on-write (valid only on btrfs)
+
+Testing: create -f qcow2 -o cluster_size=4k -o help TEST_DIR/t.qcow2 128M
+Supported options:
+size             Virtual disk size
+compat           Compatibility level (0.10 or 1.1)
+backing_file     File name of a base image
+backing_fmt      Image format of the base image
+encryption       Encrypt the image
+cluster_size     qcow2 cluster size
+preallocation    Preallocation mode (allowed values: off, metadata, falloc, full)
+lazy_refcounts   Postpone refcount updates
+refcount_bits    Width of a reference count entry in bits
+nocow            Turn off copy-on-write (valid only on btrfs)
+
+Testing: create -f qcow2 -o cluster_size=4k -o ? TEST_DIR/t.qcow2 128M
+Supported options:
+size             Virtual disk size
+compat           Compatibility level (0.10 or 1.1)
+backing_file     File name of a base image
+backing_fmt      Image format of the base image
+encryption       Encrypt the image
+cluster_size     qcow2 cluster size
+preallocation    Preallocation mode (allowed values: off, metadata, falloc, full)
+lazy_refcounts   Postpone refcount updates
+refcount_bits    Width of a reference count entry in bits
+nocow            Turn off copy-on-write (valid only on btrfs)
+
+Testing: create -f qcow2 -o backing_file=TEST_DIR/t.qcow2,,help TEST_DIR/t.qcow2 128M
+Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/t.qcow2,help' encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
+
+Testing: create -f qcow2 -o backing_file=TEST_DIR/t.qcow2,,? TEST_DIR/t.qcow2 128M
+Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/t.qcow2,?' encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
+
+Testing: create -f qcow2 -o backing_file=TEST_DIR/t.qcow2, -o help TEST_DIR/t.qcow2 128M
+qemu-img: Invalid option list: backing_file=TEST_DIR/t.qcow2,
+
+Testing: create -f qcow2 -o backing_file=TEST_DIR/t.qcow2 -o ,help TEST_DIR/t.qcow2 128M
+qemu-img: Invalid option list: ,help
+
+Testing: create -f qcow2 -o backing_file=TEST_DIR/t.qcow2 -o ,, -o help TEST_DIR/t.qcow2 128M
+qemu-img: Invalid option list: ,,
+
+Testing: create -f qcow2 -o help
+Supported options:
+size             Virtual disk size
+compat           Compatibility level (0.10 or 1.1)
+backing_file     File name of a base image
+backing_fmt      Image format of the base image
+encryption       Encrypt the image
+cluster_size     qcow2 cluster size
+preallocation    Preallocation mode (allowed values: off, metadata, falloc, full)
+lazy_refcounts   Postpone refcount updates
+refcount_bits    Width of a reference count entry in bits
+
+Testing: create -o help
+Supported options:
+size             Virtual disk size
+
+=== convert: Options specified more than once ===
+
+Testing: create -f qcow2 TEST_DIR/t.qcow2 128M
+Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
+
+Testing: convert -f foo -f qcow2 TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
+image: TEST_DIR/t.IMGFMT.base
+file format: raw
+virtual size: 128M (134217728 bytes)
+
+Testing: convert -O foo -O qcow2 TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
+image: TEST_DIR/t.IMGFMT.base
+file format: IMGFMT
+virtual size: 128M (134217728 bytes)
+cluster_size: 65536
+
+Testing: convert -O qcow2 -o cluster_size=4k -o lazy_refcounts=on TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
+image: TEST_DIR/t.IMGFMT.base
+file format: IMGFMT
+virtual size: 128M (134217728 bytes)
+cluster_size: 4096
+Format specific information:
+    compat: 1.1
+    lazy refcounts: true
+    refcount bits: 16
+    corrupt: false
+
+Testing: convert -O qcow2 -o cluster_size=4k -o lazy_refcounts=on -o cluster_size=8k TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
+image: TEST_DIR/t.IMGFMT.base
+file format: IMGFMT
+virtual size: 128M (134217728 bytes)
+cluster_size: 8192
+Format specific information:
+    compat: 1.1
+    lazy refcounts: true
+    refcount bits: 16
+    corrupt: false
+
+Testing: convert -O qcow2 -o cluster_size=4k,cluster_size=8k TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
+image: TEST_DIR/t.IMGFMT.base
+file format: IMGFMT
+virtual size: 128M (134217728 bytes)
+cluster_size: 8192
+
+=== convert: help for -o ===
+
+Testing: convert -O qcow2 -o help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
+Supported options:
+size             Virtual disk size
+compat           Compatibility level (0.10 or 1.1)
+backing_file     File name of a base image
+backing_fmt      Image format of the base image
+encryption       Encrypt the image
+cluster_size     qcow2 cluster size
+preallocation    Preallocation mode (allowed values: off, metadata, falloc, full)
+lazy_refcounts   Postpone refcount updates
+refcount_bits    Width of a reference count entry in bits
+nocow            Turn off copy-on-write (valid only on btrfs)
+
+Testing: convert -O qcow2 -o ? TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
+Supported options:
+size             Virtual disk size
+compat           Compatibility level (0.10 or 1.1)
+backing_file     File name of a base image
+backing_fmt      Image format of the base image
+encryption       Encrypt the image
+cluster_size     qcow2 cluster size
+preallocation    Preallocation mode (allowed values: off, metadata, falloc, full)
+lazy_refcounts   Postpone refcount updates
+refcount_bits    Width of a reference count entry in bits
+nocow            Turn off copy-on-write (valid only on btrfs)
+
+Testing: convert -O qcow2 -o cluster_size=4k,help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
+Supported options:
+size             Virtual disk size
+compat           Compatibility level (0.10 or 1.1)
+backing_file     File name of a base image
+backing_fmt      Image format of the base image
+encryption       Encrypt the image
+cluster_size     qcow2 cluster size
+preallocation    Preallocation mode (allowed values: off, metadata, falloc, full)
+lazy_refcounts   Postpone refcount updates
+refcount_bits    Width of a reference count entry in bits
+nocow            Turn off copy-on-write (valid only on btrfs)
+
+Testing: convert -O qcow2 -o cluster_size=4k,? TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
+Supported options:
+size             Virtual disk size
+compat           Compatibility level (0.10 or 1.1)
+backing_file     File name of a base image
+backing_fmt      Image format of the base image
+encryption       Encrypt the image
+cluster_size     qcow2 cluster size
+preallocation    Preallocation mode (allowed values: off, metadata, falloc, full)
+lazy_refcounts   Postpone refcount updates
+refcount_bits    Width of a reference count entry in bits
+nocow            Turn off copy-on-write (valid only on btrfs)
+
+Testing: convert -O qcow2 -o help,cluster_size=4k TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
+Supported options:
+size             Virtual disk size
+compat           Compatibility level (0.10 or 1.1)
+backing_file     File name of a base image
+backing_fmt      Image format of the base image
+encryption       Encrypt the image
+cluster_size     qcow2 cluster size
+preallocation    Preallocation mode (allowed values: off, metadata, falloc, full)
+lazy_refcounts   Postpone refcount updates
+refcount_bits    Width of a reference count entry in bits
+nocow            Turn off copy-on-write (valid only on btrfs)
+
+Testing: convert -O qcow2 -o ?,cluster_size=4k TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
+Supported options:
+size             Virtual disk size
+compat           Compatibility level (0.10 or 1.1)
+backing_file     File name of a base image
+backing_fmt      Image format of the base image
+encryption       Encrypt the image
+cluster_size     qcow2 cluster size
+preallocation    Preallocation mode (allowed values: off, metadata, falloc, full)
+lazy_refcounts   Postpone refcount updates
+refcount_bits    Width of a reference count entry in bits
+nocow            Turn off copy-on-write (valid only on btrfs)
+
+Testing: convert -O qcow2 -o cluster_size=4k -o help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
+Supported options:
+size             Virtual disk size
+compat           Compatibility level (0.10 or 1.1)
+backing_file     File name of a base image
+backing_fmt      Image format of the base image
+encryption       Encrypt the image
+cluster_size     qcow2 cluster size
+preallocation    Preallocation mode (allowed values: off, metadata, falloc, full)
+lazy_refcounts   Postpone refcount updates
+refcount_bits    Width of a reference count entry in bits
+nocow            Turn off copy-on-write (valid only on btrfs)
+
+Testing: convert -O qcow2 -o cluster_size=4k -o ? TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
+Supported options:
+size             Virtual disk size
+compat           Compatibility level (0.10 or 1.1)
+backing_file     File name of a base image
+backing_fmt      Image format of the base image
+encryption       Encrypt the image
+cluster_size     qcow2 cluster size
+preallocation    Preallocation mode (allowed values: off, metadata, falloc, full)
+lazy_refcounts   Postpone refcount updates
+refcount_bits    Width of a reference count entry in bits
+nocow            Turn off copy-on-write (valid only on btrfs)
+
+Testing: convert -O qcow2 -o backing_file=TEST_DIR/t.qcow2,,help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
+qemu-img: Could not open 'TEST_DIR/t.qcow2.base': Could not open backing file: Could not open 'TEST_DIR/t.qcow2,help': No such file or directory
+
+Testing: convert -O qcow2 -o backing_file=TEST_DIR/t.qcow2,,? TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
+qemu-img: Could not open 'TEST_DIR/t.qcow2.base': Could not open backing file: Could not open 'TEST_DIR/t.qcow2,?': No such file or directory
+
+Testing: convert -O qcow2 -o backing_file=TEST_DIR/t.qcow2, -o help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
+qemu-img: Invalid option list: backing_file=TEST_DIR/t.qcow2,
+
+Testing: convert -O qcow2 -o backing_file=TEST_DIR/t.qcow2 -o ,help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
+qemu-img: Invalid option list: ,help
+
+Testing: convert -O qcow2 -o backing_file=TEST_DIR/t.qcow2 -o ,, -o help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
+qemu-img: Invalid option list: ,,
+
+Testing: convert -O qcow2 -o help
+Supported options:
+size             Virtual disk size
+compat           Compatibility level (0.10 or 1.1)
+backing_file     File name of a base image
+backing_fmt      Image format of the base image
+encryption       Encrypt the image
+cluster_size     qcow2 cluster size
+preallocation    Preallocation mode (allowed values: off, metadata, falloc, full)
+lazy_refcounts   Postpone refcount updates
+refcount_bits    Width of a reference count entry in bits
+
+Testing: convert -o help
+Supported options:
+size             Virtual disk size
+
+=== amend: Options specified more than once ===
+
+Testing: amend -f foo -f qcow2 -o lazy_refcounts=on TEST_DIR/t.qcow2
+image: TEST_DIR/t.IMGFMT
+file format: IMGFMT
+virtual size: 128M (134217728 bytes)
+cluster_size: 65536
+Format specific information:
+    compat: 1.1
+    lazy refcounts: true
+    refcount bits: 16
+    corrupt: false
+
+Testing: amend -f qcow2 -o size=130M -o lazy_refcounts=off TEST_DIR/t.qcow2
+image: TEST_DIR/t.IMGFMT
+file format: IMGFMT
+virtual size: 130M (136314880 bytes)
+cluster_size: 65536
+Format specific information:
+    compat: 1.1
+    lazy refcounts: false
+    refcount bits: 16
+    corrupt: false
+
+Testing: amend -f qcow2 -o size=8M -o lazy_refcounts=on -o size=132M TEST_DIR/t.qcow2
+image: TEST_DIR/t.IMGFMT
+file format: IMGFMT
+virtual size: 132M (138412032 bytes)
+cluster_size: 65536
+Format specific information:
+    compat: 1.1
+    lazy refcounts: true
+    refcount bits: 16
+    corrupt: false
+
+Testing: amend -f qcow2 -o size=4M,size=148M TEST_DIR/t.qcow2
+image: TEST_DIR/t.IMGFMT
+file format: IMGFMT
+virtual size: 148M (155189248 bytes)
+cluster_size: 65536
+
+=== amend: help for -o ===
+
+Testing: amend -f qcow2 -o help TEST_DIR/t.qcow2
+Supported options:
+size             Virtual disk size
+compat           Compatibility level (0.10 or 1.1)
+backing_file     File name of a base image
+backing_fmt      Image format of the base image
+encryption       Encrypt the image
+cluster_size     qcow2 cluster size
+preallocation    Preallocation mode (allowed values: off, metadata, falloc, full)
+lazy_refcounts   Postpone refcount updates
+refcount_bits    Width of a reference count entry in bits
+nocow            Turn off copy-on-write (valid only on btrfs)
+
+Testing: amend -f qcow2 -o ? TEST_DIR/t.qcow2
+Supported options:
+size             Virtual disk size
+compat           Compatibility level (0.10 or 1.1)
+backing_file     File name of a base image
+backing_fmt      Image format of the base image
+encryption       Encrypt the image
+cluster_size     qcow2 cluster size
+preallocation    Preallocation mode (allowed values: off, metadata, falloc, full)
+lazy_refcounts   Postpone refcount updates
+refcount_bits    Width of a reference count entry in bits
+nocow            Turn off copy-on-write (valid only on btrfs)
+
+Testing: amend -f qcow2 -o cluster_size=4k,help TEST_DIR/t.qcow2
+Supported options:
+size             Virtual disk size
+compat           Compatibility level (0.10 or 1.1)
+backing_file     File name of a base image
+backing_fmt      Image format of the base image
+encryption       Encrypt the image
+cluster_size     qcow2 cluster size
+preallocation    Preallocation mode (allowed values: off, metadata, falloc, full)
+lazy_refcounts   Postpone refcount updates
+refcount_bits    Width of a reference count entry in bits
+nocow            Turn off copy-on-write (valid only on btrfs)
+
+Testing: amend -f qcow2 -o cluster_size=4k,? TEST_DIR/t.qcow2
+Supported options:
+size             Virtual disk size
+compat           Compatibility level (0.10 or 1.1)
+backing_file     File name of a base image
+backing_fmt      Image format of the base image
+encryption       Encrypt the image
+cluster_size     qcow2 cluster size
+preallocation    Preallocation mode (allowed values: off, metadata, falloc, full)
+lazy_refcounts   Postpone refcount updates
+refcount_bits    Width of a reference count entry in bits
+nocow            Turn off copy-on-write (valid only on btrfs)
+
+Testing: amend -f qcow2 -o help,cluster_size=4k TEST_DIR/t.qcow2
+Supported options:
+size             Virtual disk size
+compat           Compatibility level (0.10 or 1.1)
+backing_file     File name of a base image
+backing_fmt      Image format of the base image
+encryption       Encrypt the image
+cluster_size     qcow2 cluster size
+preallocation    Preallocation mode (allowed values: off, metadata, falloc, full)
+lazy_refcounts   Postpone refcount updates
+refcount_bits    Width of a reference count entry in bits
+nocow            Turn off copy-on-write (valid only on btrfs)
+
+Testing: amend -f qcow2 -o ?,cluster_size=4k TEST_DIR/t.qcow2
+Supported options:
+size             Virtual disk size
+compat           Compatibility level (0.10 or 1.1)
+backing_file     File name of a base image
+backing_fmt      Image format of the base image
+encryption       Encrypt the image
+cluster_size     qcow2 cluster size
+preallocation    Preallocation mode (allowed values: off, metadata, falloc, full)
+lazy_refcounts   Postpone refcount updates
+refcount_bits    Width of a reference count entry in bits
+nocow            Turn off copy-on-write (valid only on btrfs)
+
+Testing: amend -f qcow2 -o cluster_size=4k -o help TEST_DIR/t.qcow2
+Supported options:
+size             Virtual disk size
+compat           Compatibility level (0.10 or 1.1)
+backing_file     File name of a base image
+backing_fmt      Image format of the base image
+encryption       Encrypt the image
+cluster_size     qcow2 cluster size
+preallocation    Preallocation mode (allowed values: off, metadata, falloc, full)
+lazy_refcounts   Postpone refcount updates
+refcount_bits    Width of a reference count entry in bits
+nocow            Turn off copy-on-write (valid only on btrfs)
+
+Testing: amend -f qcow2 -o cluster_size=4k -o ? TEST_DIR/t.qcow2
+Supported options:
+size             Virtual disk size
+compat           Compatibility level (0.10 or 1.1)
+backing_file     File name of a base image
+backing_fmt      Image format of the base image
+encryption       Encrypt the image
+cluster_size     qcow2 cluster size
+preallocation    Preallocation mode (allowed values: off, metadata, falloc, full)
+lazy_refcounts   Postpone refcount updates
+refcount_bits    Width of a reference count entry in bits
+nocow            Turn off copy-on-write (valid only on btrfs)
+
+Testing: amend -f qcow2 -o backing_file=TEST_DIR/t.qcow2,,help TEST_DIR/t.qcow2
+
+Testing: rebase -u -b  -f qcow2 TEST_DIR/t.qcow2
+
+Testing: amend -f qcow2 -o backing_file=TEST_DIR/t.qcow2,,? TEST_DIR/t.qcow2
+
+Testing: rebase -u -b  -f qcow2 TEST_DIR/t.qcow2
+
+Testing: amend -f qcow2 -o backing_file=TEST_DIR/t.qcow2, -o help TEST_DIR/t.qcow2
+qemu-img: Invalid option list: backing_file=TEST_DIR/t.qcow2,
+
+Testing: amend -f qcow2 -o backing_file=TEST_DIR/t.qcow2 -o ,help TEST_DIR/t.qcow2
+qemu-img: Invalid option list: ,help
+
+Testing: amend -f qcow2 -o backing_file=TEST_DIR/t.qcow2 -o ,, -o help TEST_DIR/t.qcow2
+qemu-img: Invalid option list: ,,
+
+Testing: amend -f qcow2 -o help
+Supported options:
+size             Virtual disk size
+compat           Compatibility level (0.10 or 1.1)
+backing_file     File name of a base image
+backing_fmt      Image format of the base image
+encryption       Encrypt the image
+cluster_size     qcow2 cluster size
+preallocation    Preallocation mode (allowed values: off, metadata, falloc, full)
+lazy_refcounts   Postpone refcount updates
+refcount_bits    Width of a reference count entry in bits
+
+Testing: convert -o help
+Supported options:
+size             Virtual disk size
+*** done