@@ -568,7 +568,7 @@ extern const VMStateInfo vmstate_info_bitmap;
VMSTATE_UINT64_TEST(_f, _s, NULL)
#define VMSTATE_UINT8_EQUAL(_f, _s) \
- VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint8_equal, uint8_t)
+ VMSTATE_SINGLE_TEST(_f, _s, NULL, 0, vmstate_info_uint8_equal, uint8_t)
#define VMSTATE_UINT16_EQUAL(_f, _s) \
VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint16_equal, uint16_t)
@@ -339,6 +339,75 @@ static void test_simple_test(void)
qemu_fclose(loading);
}
+
+static const VMStateDescription vmstate_simple_compare = {
+ .name = "simple/compare",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT8_EQUAL(u8_1, TestSimple),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+uint8_t wire_simple_compare[] = {
+ /* u8_1 */ 0x82,
+ QEMU_VM_EOF, /* just to ensure we won't get EOF reported prematurely */
+};
+
+static void test_simple_compare(void)
+{
+ QEMUFile *fsave = open_test_file(true);
+
+ /* Save file with vmstate */
+ vmstate_save_state(fsave, &vmstate_simple_compare, &obj_simple);
+ g_assert(!qemu_file_get_error(fsave));
+ qemu_fclose(fsave);
+
+ QEMUFile *loading = open_test_file(false);
+ /* we don't need QEMU_VM_EOF */
+ uint8_t result[sizeof(wire_simple_compare)-1];
+
+ /* read back as binary */
+
+ g_assert_cmpint(qemu_get_buffer(loading, result, sizeof(result)), ==,
+ sizeof(result));
+ g_assert(!qemu_file_get_error(loading));
+
+ /* Compare that what is on the file is the same that what we
+ expected to be there */
+ SUCCESS(memcmp(result, wire_simple_compare, sizeof(result)));
+
+ /* Must reach EOF */
+ qemu_get_byte(loading);
+ g_assert_cmpint(qemu_file_get_error(loading), ==, -EIO);
+
+ qemu_fclose(loading);
+
+ /* We save the file again. We want the EOF this time */
+
+ fsave = open_test_file(true);
+ qemu_put_buffer(fsave, wire_simple_compare, sizeof(wire_simple_compare));
+ qemu_fclose(fsave);
+
+ TestSimple obj;
+ loading = open_test_file(false);
+ memcpy(&obj, &obj_simple, sizeof(obj));
+
+ SUCCESS(vmstate_load_state(loading, &vmstate_simple_compare, &obj, 1));
+ g_assert(!qemu_file_get_error(loading));
+ qemu_fclose(loading);
+
+ loading = open_test_file(false);
+ memcpy(&obj, &obj_simple, sizeof(obj));
+ /* we change the value, so it is not equal anymore */
+ obj.u8_1 = 27;
+
+ FAILURE(vmstate_load_state(loading, &vmstate_simple_compare, &obj, 1));
+ g_assert(!qemu_file_get_error(loading));
+ qemu_fclose(loading);
+}
#undef FIELD_ASSERT
typedef struct TestBitmap {
@@ -427,6 +496,7 @@ static void test_simple_bitmap(void)
qemu_fclose(loading);
}
+
#undef FIELD_ASSERT
typedef struct TestStruct {
@@ -648,6 +718,7 @@ 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/test", test_simple_test);
+ g_test_add_func("/vmstate/simple/compare", test_simple_compare);
g_test_add_func("/vmstate/simple/bitmap", test_simple_bitmap);
g_test_add_func("/vmstate/versioned/load/v1", test_load_v1);
g_test_add_func("/vmstate/versioned/load/v2", test_load_v2);
We intruduce another full test. Signed-off-by: Juan Quintela <quintela@redhat.com> --- include/migration/vmstate.h | 2 +- tests/test-vmstate.c | 71 +++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 72 insertions(+), 1 deletion(-)