tests: add virgl_test_transfer_1d

Add a working case

tests/test_virgl_transfer.c

@@ -277,6 +277,46 @@ START_TEST(virgl_test_transfer_read_3d_bad_box)
 }
 END_TEST
 
+START_TEST(virgl_test_transfer_1d)
+{
+    struct virgl_resource res;
+    unsigned char data[50*4];
+    struct iovec iov = { .iov_base = data, .iov_len = sizeof(data) };
+    int niovs = 1;
+    int ret, i;
+    struct virgl_box box;
+
+    /* init and create simple 2D resource */
+    ret = testvirgl_create_backed_simple_1d_res(&res, 1);
+    ck_assert_int_eq(ret, 0);
+
+    /* attach resource to context */
+    virgl_renderer_ctx_attach_resource(1, res.handle);
+
+    box.x = box.y = box.z = 0;
+    box.w = 50;
+    box.h = 1;
+    box.d = 1;
+    for (i = 0; i < sizeof(data); i++)
+        data[i] = i;
+
+    ret = virgl_renderer_transfer_write_iov(res.handle, 1, 0, 0, 0, &box, 0, &iov, niovs);
+    ck_assert_int_eq(ret, 0);
+
+    ret = virgl_renderer_transfer_read_iov(res.handle, 1, 0, 0, 0, &box, 0, NULL, 0);
+    ck_assert_int_eq(ret, 0);
+
+    /* check the returned values */
+    unsigned char *ptr = res.iovs[0].iov_base;
+    for (i = 0; i < sizeof(data); i++) {
+        ck_assert_int_eq(ptr[i], i);
+    }
+
+    virgl_renderer_ctx_detach_resource(1, res.handle);
+    testvirgl_destroy_backed_res(&res);
+}
+END_TEST
+
 Suite *virgl_init_suite(void)
 {
   Suite *s;
@@ -298,6 +338,8 @@ Suite *virgl_init_suite(void)
   tcase_add_test(tc_core, virgl_test_transfer_write_1d_bad_box);
   tcase_add_test(tc_core, virgl_test_transfer_read_1d_array_bad_box);
   tcase_add_test(tc_core, virgl_test_transfer_read_3d_bad_box);
+  tcase_add_test(tc_core, virgl_test_transfer_1d);
+
   suite_add_tcase(s, tc_core);
   return s;