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rust/vmstate: Add unit test for vmstate_of macro

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The vmstate has too many combinations of VMStateFlags and VMStateField.
Currently, the best way to test is to ensure that the Rust vmstate
definition is consistent with the (possibly corresponding) C version.

Add a unit test to cover some patterns accepted by vmstate_of macro,
which correspond to the following C version macros:
 * VMSTATE_U16
 * VMSTATE_UNUSED
 * VMSTATE_VARRAY_UINT16_UNSAFE
 * VMSTATE_VARRAY_MULTIPLY

Note: Because vmstate_info_* are defined in vmstate-types.c, it's
necessary to link libmigration to rust unit tests. In the future,
maybe it's possible to spilt libmigration from rust_qemu_api_objs.

Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20250318130219.1799170-12-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Zhao Liu 2025-03-18 21:02:15 +08:00 • committed by Paolo Bonzini
parent b131003721
commit 1998502196
3 changed files with 139 additions and 2 deletions
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5
rust/qemu-api/meson.build
View file

@ -58,7 +58,8 @@ rust_qemu_api_objs = static_library(
libchardev.extract_all_objects(recursive: false),
libcrypto.extract_all_objects(recursive: false),
libauthz.extract_all_objects(recursive: false),
libio.extract_all_objects(recursive: false)])
libio.extract_all_objects(recursive: false),
libmigration.extract_all_objects(recursive: false)])
rust_qemu_api_deps = declare_dependency(
dependencies: [
qom_ss.dependencies(),
@ -71,7 +72,7 @@ rust_qemu_api_deps = declare_dependency(
test('rust-qemu-api-integration',
executable(
'rust-qemu-api-integration',
'tests/tests.rs',
files('tests/tests.rs', 'tests/vmstate_tests.rs'),
override_options: ['rust_std=2021', 'build.rust_std=2021'],
rust_args: ['--test'],
install: false,