diff mbox

[RFC,v2,8/8] tests/test-vmstate.c: add array of pointers to struct with NULL

Message ID 20161108095603.72301-9-pasic@linux.vnet.ibm.com
State New
Headers show

Commit Message

Halil Pasic Nov. 8, 2016, 9:56 a.m. UTC
Increase coverage by testing VMSTATE_ARRAY_OF_POINTER_TO_STRUCT
with an array containing some NULL pointer.

Signed-off-by: Halil Pasic <pasic@linux.vnet.ibm.com>
---
 tests/test-vmstate.c | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

Comments

Dr. David Alan Gilbert Dec. 15, 2016, 12:52 p.m. UTC | #1
* Halil Pasic (pasic@linux.vnet.ibm.com) wrote:
> Increase coverage by testing VMSTATE_ARRAY_OF_POINTER_TO_STRUCT
> with an array containing some NULL pointer.
> 
> Signed-off-by: Halil Pasic <pasic@linux.vnet.ibm.com>
> ---
>  tests/test-vmstate.c | 41 +++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 41 insertions(+)
> 
> diff --git a/tests/test-vmstate.c b/tests/test-vmstate.c
> index aa1ccf1..5394119 100644
> --- a/tests/test-vmstate.c
> +++ b/tests/test-vmstate.c
> @@ -651,6 +651,44 @@ static void test_arr_ptr_str_no0_load(void)
>      }
>  }
>  
> +static void test_arr_ptr_str_0_save(void)
> +{
> +    TestStructTriv ar[AR_SIZE] = {{.i = 0}, {.i = 1}, {.i = 2}, {.i = 3} };
> +    TestArrayOfPtrToStuct sample = {.ar = {&ar[0], NULL, &ar[2], &ar[3]} };
> +
> +    save_vmstate(&vmsd_arps, &sample); /* fails with SEGFAULT with master */

Should probably remove that comment now; but other than that.

Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

> +}
> +
> +static void test_arr_ptr_str_0_load(void)
> +{
> +    TestStructTriv ar_gt[AR_SIZE] = {{.i = 0}, {.i = 0}, {.i = 2}, {.i = 3} };
> +    TestStructTriv ar[AR_SIZE] = {};
> +    TestArrayOfPtrToStuct obj = {.ar = {&ar[0], NULL, &ar[2], &ar[3]} };
> +    int idx;
> +    uint8_t wire_sample[] = {
> +        0x00, 0x00, 0x00, 0x00,
> +        VMS_NULLPTR_MARKER,
> +        0x00, 0x00, 0x00, 0x02,
> +        0x00, 0x00, 0x00, 0x03,
> +        QEMU_VM_EOF
> +    };
> +
> +    save_buffer(wire_sample, sizeof(wire_sample));
> +    SUCCESS(load_vmstate_one(&vmsd_arps, &obj, 1,
> +                          wire_sample, sizeof(wire_sample)));
> +    for (idx = 0; idx < AR_SIZE; ++idx) {
> +        /* compare the target array ar with the ground truth array ar_gt */
> +        g_assert_cmpint(ar_gt[idx].i, ==, ar[idx].i);
> +    }
> +    for (idx = 0; idx < AR_SIZE; ++idx) {
> +        if (idx == 1) {
> +            g_assert_cmpint((uint64_t)(obj.ar[idx]), ==, 0);
> +        } else {
> +            g_assert_cmpint((uint64_t)(obj.ar[idx]), !=, 0);
> +        }
> +    }
> +}
> +
>  int main(int argc, char **argv)
>  {
>      temp_fd = mkstemp(temp_file);
> @@ -670,6 +708,9 @@ int main(int argc, char **argv)
>                      test_arr_ptr_str_no0_save);
>      g_test_add_func("/vmstate/array/ptr/str/no0/load",
>                      test_arr_ptr_str_no0_load);
> +    g_test_add_func("/vmstate/array/ptr/str/0/save", test_arr_ptr_str_0_save);
> +    g_test_add_func("/vmstate/array/ptr/str/0/load",
> +                    test_arr_ptr_str_0_load);
>      g_test_run();
>  
>      close(temp_fd);
> -- 
> 2.8.4
> 
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
diff mbox

Patch

diff --git a/tests/test-vmstate.c b/tests/test-vmstate.c
index aa1ccf1..5394119 100644
--- a/tests/test-vmstate.c
+++ b/tests/test-vmstate.c
@@ -651,6 +651,44 @@  static void test_arr_ptr_str_no0_load(void)
     }
 }
 
+static void test_arr_ptr_str_0_save(void)
+{
+    TestStructTriv ar[AR_SIZE] = {{.i = 0}, {.i = 1}, {.i = 2}, {.i = 3} };
+    TestArrayOfPtrToStuct sample = {.ar = {&ar[0], NULL, &ar[2], &ar[3]} };
+
+    save_vmstate(&vmsd_arps, &sample); /* fails with SEGFAULT with master */
+}
+
+static void test_arr_ptr_str_0_load(void)
+{
+    TestStructTriv ar_gt[AR_SIZE] = {{.i = 0}, {.i = 0}, {.i = 2}, {.i = 3} };
+    TestStructTriv ar[AR_SIZE] = {};
+    TestArrayOfPtrToStuct obj = {.ar = {&ar[0], NULL, &ar[2], &ar[3]} };
+    int idx;
+    uint8_t wire_sample[] = {
+        0x00, 0x00, 0x00, 0x00,
+        VMS_NULLPTR_MARKER,
+        0x00, 0x00, 0x00, 0x02,
+        0x00, 0x00, 0x00, 0x03,
+        QEMU_VM_EOF
+    };
+
+    save_buffer(wire_sample, sizeof(wire_sample));
+    SUCCESS(load_vmstate_one(&vmsd_arps, &obj, 1,
+                          wire_sample, sizeof(wire_sample)));
+    for (idx = 0; idx < AR_SIZE; ++idx) {
+        /* compare the target array ar with the ground truth array ar_gt */
+        g_assert_cmpint(ar_gt[idx].i, ==, ar[idx].i);
+    }
+    for (idx = 0; idx < AR_SIZE; ++idx) {
+        if (idx == 1) {
+            g_assert_cmpint((uint64_t)(obj.ar[idx]), ==, 0);
+        } else {
+            g_assert_cmpint((uint64_t)(obj.ar[idx]), !=, 0);
+        }
+    }
+}
+
 int main(int argc, char **argv)
 {
     temp_fd = mkstemp(temp_file);
@@ -670,6 +708,9 @@  int main(int argc, char **argv)
                     test_arr_ptr_str_no0_save);
     g_test_add_func("/vmstate/array/ptr/str/no0/load",
                     test_arr_ptr_str_no0_load);
+    g_test_add_func("/vmstate/array/ptr/str/0/save", test_arr_ptr_str_0_save);
+    g_test_add_func("/vmstate/array/ptr/str/0/load",
+                    test_arr_ptr_str_0_load);
     g_test_run();
 
     close(temp_fd);