[PATCH] tests/qtest/e1000e-test: De-duplicate constants

[PATCH] tests/qtest/e1000e-test: De-duplicate constants

[Akihiko Odaki]

De-duplicate constants found in e1000e_send_verify() to avoid mismatch
and improve readability.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
---
 tests/qtest/e1000e-test.c | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

diff --git a/tests/qtest/e1000e-test.c b/tests/qtest/e1000e-test.c
index 08adc5226d..3fc92046be 100644
--- a/tests/qtest/e1000e-test.c
+++ b/tests/qtest/e1000e-test.c
@@ -37,15 +37,15 @@
 
 static void e1000e_send_verify(QE1000E *d, int *test_sockets, QGuestAllocator *alloc)
 {
+    static const char test[] = "TEST";
     struct e1000_tx_desc descr;
-    static const int data_len = 64;
     char buffer[64];
     int ret;
     uint32_t recv_len;
 
     /* Prepare test data buffer */
-    uint64_t data = guest_alloc(alloc, data_len);
-    memwrite(data, "TEST", 5);
+    uint64_t data = guest_alloc(alloc, sizeof(buffer));
+    memwrite(data, test, sizeof(test));
 
     /* Prepare TX descriptor */
     memset(&descr, 0, sizeof(descr));
@@ -54,7 +54,7 @@ static void e1000e_send_verify(QE1000E *d, int *test_sockets, QGuestAllocator *a
                                    E1000_TXD_CMD_EOP  |
                                    E1000_TXD_CMD_DEXT |
                                    E1000_TXD_DTYP_D   |
-                                   data_len);
+                                   sizeof(buffer));
 
     /* Put descriptor to the ring */
     e1000e_tx_ring_push(d, &descr);
@@ -69,9 +69,9 @@ static void e1000e_send_verify(QE1000E *d, int *test_sockets, QGuestAllocator *a
     /* Check data sent to the backend */
     ret = recv(test_sockets[0], &recv_len, sizeof(recv_len), 0);
     g_assert_cmpint(ret, == , sizeof(recv_len));
-    ret = recv(test_sockets[0], buffer, 64, 0);
-    g_assert_cmpint(ret, >=, 5);
-    g_assert_cmpstr(buffer, == , "TEST");
+    ret = recv(test_sockets[0], buffer, sizeof(buffer), 0);
+    g_assert_cmpint(ret, ==, sizeof(buffer));
+    g_assert_cmpstr(buffer, == , test);
 
     /* Free test data buffer */
     guest_free(alloc, data);
@@ -93,7 +93,6 @@ static void e1000e_receive_verify(QE1000E *d, int *test_sockets, QGuestAllocator
         },
     };
 
-    static const int data_len = 64;
     char buffer[64];
     int ret;
 
@@ -102,7 +101,7 @@ static void e1000e_receive_verify(QE1000E *d, int *test_sockets, QGuestAllocator
     g_assert_cmpint(ret, == , sizeof(test) + sizeof(len));
 
     /* Prepare test data buffer */
-    uint64_t data = guest_alloc(alloc, data_len);
+    uint64_t data = guest_alloc(alloc, sizeof(buffer));
 
     /* Prepare RX descriptor */
     memset(&descr, 0, sizeof(descr));
@@ -120,7 +119,7 @@ static void e1000e_receive_verify(QE1000E *d, int *test_sockets, QGuestAllocator
 
     /* Check data sent to the backend */
     memread(data, buffer, sizeof(buffer));
-    g_assert_cmpstr(buffer, == , "TEST");
+    g_assert_cmpstr(buffer, == , test);
 
     /* Free test data buffer */
     guest_free(alloc, data);
-- 
2.38.1

Re: [PATCH] tests/qtest/e1000e-test: De-duplicate constants

[Thomas Huth]

On 10/11/2022 12.44, Akihiko Odaki wrote:
> De-duplicate constants found in e1000e_send_verify() to avoid mismatch
> and improve readability.
> 
> Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
> ---
>   tests/qtest/e1000e-test.c | 19 +++++++++----------
>   1 file changed, 9 insertions(+), 10 deletions(-)

Thanks, I added e1000e_receive_verify() to the commit description (since 
you've modified that, too) and added this to my testing-next branch:

  https://gitlab.com/thuth/qemu/-/commits/testing-next/

  Thomas