On 14/11/18 14:21, Marc-André Lureau wrote:
A very simple test to show VMSTATE_*_ARRAY usage and result. It could be systematically extended to other primitives, but I leave that as an exercise for others :).
If this patch get accepted, please add this good idea to the BiteSizedTasks wiki entry:
https://wiki.qemu.org/Contribute/BiteSizedTasks
Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com> --- tests/test-vmstate.c | 50 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/tests/test-vmstate.c b/tests/test-vmstate.c index 37a7a93784..2a960dedbe 100644 --- a/tests/test-vmstate.c +++ b/tests/test-vmstate.c @@ -284,6 +284,55 @@ static void test_simple_primitive(void) FIELD_EQUAL(i64_2); }+typedef struct TestSimpleArray {+ uint16_t u16_1[3]; +} TestSimpleArray; + +/* Object instantiation, we are going to use it in more than one test */ + +TestSimpleArray obj_simple_arr = { + .u16_1 = { 0x42, 0x43, 0x44 }, +}; + +/* Description of the values. If you add a primitive type + you are expected to add a test here */ + +static const VMStateDescription vmstate_simple_arr = { + .name = "simple/array", + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_UINT16_ARRAY(u16_1, TestSimpleArray, 3), + VMSTATE_END_OF_LIST() + } +}; + +uint8_t wire_simple_arr[] = { + /* u16_1 */ 0x00, 0x42, + /* u16_1 */ 0x00, 0x43, + /* u16_1 */ 0x00, 0x44, + QEMU_VM_EOF, /* just to ensure we won't get EOF reported prematurely */ +}; + +static void obj_simple_arr_copy(void *target, void *source) +{ + memcpy(target, source, sizeof(TestSimpleArray)); +} + +static void test_simple_array(void) +{ + TestSimpleArray obj, obj_clone; + + memset(&obj, 0, sizeof(obj)); + save_vmstate(&vmstate_simple_arr, &obj_simple_arr); + + compare_vmstate(wire_simple_arr, sizeof(wire_simple_arr)); + + SUCCESS(load_vmstate(&vmstate_simple_arr, &obj, &obj_clone, + obj_simple_arr_copy, 1, wire_simple_arr, + sizeof(wire_simple_arr))); +} + typedef struct TestStruct { uint32_t a, b, c, e; uint64_t d, f; @@ -863,6 +912,7 @@ int main(int argc, char **argv)g_test_init(&argc, &argv, NULL);g_test_add_func("/vmstate/simple/primitive", test_simple_primitive); + g_test_add_func("/vmstate/simple/array", test_simple_array); g_test_add_func("/vmstate/versioned/load/v1", test_load_v1); g_test_add_func("/vmstate/versioned/load/v2", test_load_v2); g_test_add_func("/vmstate/field_exists/load/noskip", test_load_noskip);
