tests/unit/test-vmstate: add tests for VMS_ARRAY_OF_POINTER_AUTO_ALLOC
Add tests for VMSTATE_VARRAY_OF_POINTER_TO_STRUCT_UINT32_ALLOC. Signed-off-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@futurfusion.io> [peterx: Removed two tests due to macro not used, rebase, fix warning] Signed-off-by: Peter Xu <peterx@redhat.com> Reviewed-by: Juraj Marcin <jmarcin@redhat.com> Link: https://lore.kernel.org/qemu-devel/20260401202844.673494-12-peterx@redhat.com Signed-off-by: Fabiano Rosas <farosas@suse.de>
Alexander Mikhalitsyn committed
Apr 1, 2026 at 16:28 UTC
3260412dd7d2b0c37db765051db54affb6e4ba40
1 file changed
+86
tests/unit/test-vmstate.c
+86
@@ -702,6 +702,88 @@ static void test_arr_ptr_prim_0_load(void)
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}
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}
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+static uint8_t wire_arr_ptr_with_nulls[] = {
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+ VMS_MARKER_PTR_VALID,
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+ 0x00, 0x00, 0x00, 0x00,
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+ VMS_MARKER_PTR_NULL,
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+ VMS_MARKER_PTR_VALID,
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+ 0x00, 0x00, 0x00, 0x02,
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+ VMS_MARKER_PTR_VALID,
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+ 0x00, 0x00, 0x00, 0x03,
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+ QEMU_VM_EOF
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+};
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+
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+typedef struct {
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+ uint32_t ar_items_num;
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+ TestStructTriv **ar;
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+} TestVArrayOfPtrToStuctWithNULLs;
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+
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+const VMStateDescription vmsd_arps_with_nulls = {
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+ .name = "test/arps_with_nulls",
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+ .version_id = 1,
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+ .minimum_version_id = 1,
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+ .fields = (const VMStateField[]) {
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+ VMSTATE_VARRAY_OF_POINTER_TO_STRUCT_UINT32_ALLOC(
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+ ar, TestVArrayOfPtrToStuctWithNULLs, ar_items_num,
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+ 0, vmsd_tst, TestStructTriv),
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+ VMSTATE_END_OF_LIST()
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+ }
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+};
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+
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+static void test_arr_ptr_nulls_str_save(void)
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+{
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+ TestStructTriv ar[AR_SIZE] = { {.i = 0}, {.i = 1}, {.i = 2}, {.i = 3} };
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+ TestVArrayOfPtrToStuctWithNULLs sample = {};
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+ int idx;
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+
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+ sample.ar_items_num = AR_SIZE;
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+ sample.ar = g_new0(TestStructTriv*, sample.ar_items_num);
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+ sample.ar[0] = g_new0(TestStructTriv, 1);
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+ *sample.ar[0] = ar[0];
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+ /* note, sample.ar[1] remains NULL */
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+ sample.ar[2] = g_new0(TestStructTriv, 1);
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+ *sample.ar[2] = ar[2];
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+ sample.ar[3] = g_new0(TestStructTriv, 1);
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+ *sample.ar[3] = ar[3];
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+
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+ save_vmstate(&vmsd_arps_with_nulls, &sample);
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+ compare_vmstate(wire_arr_ptr_with_nulls, sizeof(wire_arr_ptr_with_nulls));
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+
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+ for (idx = 0; idx < AR_SIZE; ++idx) {
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+ g_free(sample.ar[idx]);
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+ }
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+ g_free(sample.ar);
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+}
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+
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+static void test_arr_ptr_nulls_str_load(void)
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+{
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+ TestStructTriv ar_gt[AR_SIZE] = {{.i = 0}, {.i = 0}, {.i = 2}, {.i = 3} };
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+ TestVArrayOfPtrToStuctWithNULLs obj = {};
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+ int idx;
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+
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+ obj.ar_items_num = AR_SIZE;
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+ obj.ar = g_new0(TestStructTriv*, obj.ar_items_num);
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+
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+ save_buffer(wire_arr_ptr_with_nulls, sizeof(wire_arr_ptr_with_nulls));
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+ SUCCESS(load_vmstate_one(
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+ &vmsd_arps_with_nulls, &obj, 1,
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+ wire_arr_ptr_with_nulls, sizeof(wire_arr_ptr_with_nulls)));
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+
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+ for (idx = 0; idx < AR_SIZE; ++idx) {
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+ if (idx == 1) {
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+ g_assert_cmpint((uintptr_t)(obj.ar[idx]), ==, 0);
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+ } else {
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+ /* compare the target array ar with the ground truth array ar_gt */
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+ g_assert_cmpint(ar_gt[idx].i, ==, obj.ar[idx]->i);
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+ }
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+ }
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+
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+ for (idx = 0; idx < AR_SIZE; ++idx) {
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+ g_free(obj.ar[idx]);
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+ }
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+ g_free(obj.ar);
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+}
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+
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/* test QTAILQ migration */
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typedef struct TestQtailqElement TestQtailqElement;
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@@ -1568,6 +1650,10 @@ int main(int argc, char **argv)
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test_arr_ptr_prim_0_save);
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g_test_add_func("/vmstate/array/ptr/prim/0/load",
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test_arr_ptr_prim_0_load);
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+ g_test_add_func("/vmstate/array/ptr-nulls/str/save",
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+ test_arr_ptr_nulls_str_save);
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+ g_test_add_func("/vmstate/array/ptr-nulls/str/load",
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+ test_arr_ptr_nulls_str_load);
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g_test_add_func("/vmstate/qtailq/save/saveq", test_save_q);
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g_test_add_func("/vmstate/qtailq/load/loadq", test_load_q);
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g_test_add_func("/vmstate/gtree/save/savedomain", test_gtree_save_domain);