[Qemu-devel] [PATCH 107/124] vmstate: Test for VMSTATE_BUFFER_POINTER_UNSAFE

[Juan Quintela]

Signed-off-by: Juan Quintela <quint...@redhat.com>
---
 tests/test-vmstate.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/tests/test-vmstate.c b/tests/test-vmstate.c
index 9f7256c..a8a1dfe 100644
--- a/tests/test-vmstate.c
+++ b/tests/test-vmstate.c
@@ -865,12 +865,15 @@ static void test_array_sub(void)
 #undef ELEM_EQUAL_2D
 #undef ELEM_NOT_EQUAL

+uint32_t test_scratch3[5] =  {41, 42, 43, 44, 45};
+
 typedef struct TestBuffer {
     uint8_t  buffer[6];
     uint8_t  partial[13];
     uint8_t  middle[13];
     uint32_t scratch[5];
     uint32_t scratch2[5];
+    uint32_t *scratch3;
 } TestBuffer;

 TestBuffer obj_buffer = {
@@ -879,6 +882,7 @@ TestBuffer obj_buffer = {
     .middle = "hello world!",
     .scratch = {21, 22, 23, 24, 25},
     .scratch2 = {31, 32, 33, 34, 35},
+    .scratch3 = test_scratch3,
 };

 static const VMStateDescription vmstate_buffer_simple = {
@@ -891,6 +895,8 @@ static const VMStateDescription vmstate_buffer_simple = {
         VMSTATE_PARTIAL_BUFFER(partial, TestBuffer, 4),
         VMSTATE_BUFFER_START_MIDDLE(middle, TestBuffer, 6),
         VMSTATE_BUFFER_UNSAFE(scratch, TestBuffer, 5 * sizeof(uint32_t)),
+        VMSTATE_BUFFER_POINTER_UNSAFE(scratch3,
+                                      TestBuffer, 5 * sizeof(uint32_t)),
         VMSTATE_END_OF_LIST()
     }
 };
@@ -902,6 +908,9 @@ uint8_t wire_buffer_simple[] = {
     /* scratch */      0x15, 0x00, 0x00, 0x00, 0x16, 0x00, 0x00, 0x00,
                        0x17, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00,
                        0x19, 0x00, 0x00, 0x00,
+    /* scratch3 */     0x29, 0x00, 0x00, 0x00, 0x2a, 0x00, 0x00, 0x00,
+                       0x2b, 0x00, 0x00, 0x00, 0x2c, 0x00, 0x00, 0x00,
+                       0x2d, 0x00, 0x00, 0x00,
     QEMU_VM_EOF, /* just to ensure we won't get EOF reported prematurely */
 };

@@ -917,14 +926,19 @@ static void obj_buffer_copy(void *arg1, void *arg2)
     for (i = 0; i < 5; i++) {
         target->scratch[0] = source->scratch[0];
         target->scratch2[0] = source->scratch2[0];
+        target->scratch3[0] = source->scratch3[0];
     }
 }

 static void test_buffer_simple(void)
 {
     TestBuffer obj, obj_clone;
+    uint32_t local_scratch[5];
+    uint32_t local_scratch_clone[5];

     memset(&obj, 0, sizeof(obj));
+    obj.scratch3 = local_scratch;
+    obj_clone.scratch3 = local_scratch_clone;

     save_vmstate(&vmstate_buffer_simple, &obj_buffer);

@@ -940,6 +954,7 @@ static void test_buffer_simple(void)
     FAILURE(memcmp(obj.middle, obj_buffer.middle, 6));
     SUCCESS(memcmp(obj.middle+6, obj_buffer.middle+6, sizeof(obj.middle)-6));
     SUCCESS(memcmp(obj.scratch, obj_buffer.scratch, sizeof(obj.scratch)));
+    SUCCESS(memcmp(obj.scratch3, obj_buffer.scratch3, 5 * sizeof(uint32_t)));
 }

 /* just sent the fields in the reverse order that are stored */
@@ -998,8 +1013,12 @@ uint8_t wire_buffer_test[] = {
 static void test_buffer_test(void)
 {
     TestBuffer obj, obj_clone;
+    uint32_t local_scratch[5];
+    uint32_t local_scratch_clone[5];

     memset(&obj, 0, sizeof(obj));
+    obj.scratch3 = local_scratch;
+    obj_clone.scratch3 = local_scratch_clone;

     save_vmstate(&vmstate_buffer_test, &obj_buffer);

-- 
1.9.0