tests/vhost-user-bridge: add scattering of incoming packets

[qemu.git] / tests / test-vmstate.c

diff --git a/tests/test-vmstate.c b/tests/test-vmstate.c
index d72c64c90bf5371e84a7c7716d6e5db7fa79e5a1..4d13bd09b327efcc0d2a20c5460e961aa9aa1d2f 100644 (file)
--- a/tests/test-vmstate.c
+++ b/tests/test-vmstate.c
@@ -27,7 +27,7 @@
 #include "qemu-common.h"
 #include "migration/migration.h"
 #include "migration/vmstate.h"
-#include "block/coroutine.h"
+#include "qemu/coroutine.h"
 
 static char temp_file[] = "/tmp/vmst.test.XXXXXX";
 static int temp_fd;
@@ -43,6 +43,12 @@ void yield_until_fd_readable(int fd)
     select(fd + 1, &fds, NULL, NULL, NULL);
 }
 
+/*
+ * Some tests use 'open_test_file' to work on a real fd, some use
+ * an in memory file (QEMUSizedBuffer+qemu_bufopen); we could pick one
+ * but this way we test both.
+ */
+
 /* Duplicate temp_fd and seek to the beginning of the file */
 static QEMUFile *open_test_file(bool write)
 {
@@ -54,6 +60,20 @@ static QEMUFile *open_test_file(bool write)
     return qemu_fdopen(fd, write ? "wb" : "rb");
 }
 
+/*
+ * Check that the contents of the memory-buffered file f match
+ * the given size/data.
+ */
+static void check_mem_file(QEMUFile *f, void *data, size_t size)
+{
+    uint8_t *result = g_malloc(size);
+    const QEMUSizedBuffer *qsb = qemu_buf_get(f);
+    g_assert_cmpint(qsb_get_length(qsb), ==, size);
+    g_assert_cmpint(qsb_get_buffer(qsb, 0, size, result), ==, size);
+    g_assert_cmpint(memcmp(result, data, size), ==, 0);
+    g_free(result);
+}
+
 #define SUCCESS(val) \
     g_assert_cmpint((val), ==, 0)
 
@@ -65,7 +85,7 @@ static void save_vmstate(const VMStateDescription *desc, void *obj)
     QEMUFile *f = open_test_file(true);
 
     /* Save file with vmstate */
-    vmstate_save_state(f, desc, obj);
+    vmstate_save_state(f, desc, obj, NULL);
     qemu_put_byte(f, QEMU_VM_EOF);
     g_assert(!qemu_file_get_error(f));
     qemu_fclose(f);
@@ -371,14 +391,12 @@ static const VMStateDescription vmstate_skipping = {
 
 static void test_save_noskip(void)
 {
-    QEMUFile *fsave = open_test_file(true);
+    QEMUFile *fsave = qemu_bufopen("w", NULL);
     TestStruct obj = { .a = 1, .b = 2, .c = 3, .d = 4, .e = 5, .f = 6,
                        .skip_c_e = false };
-    vmstate_save_state(fsave, &vmstate_skipping, &obj);
+    vmstate_save_state(fsave, &vmstate_skipping, &obj, NULL);
     g_assert(!qemu_file_get_error(fsave));
-    qemu_fclose(fsave);
 
-    QEMUFile *loading = open_test_file(false);
     uint8_t expected[] = {
         0, 0, 0, 1,             /* a */
         0, 0, 0, 2,             /* b */
@@ -387,52 +405,31 @@ static void test_save_noskip(void)
         0, 0, 0, 5,             /* e */
         0, 0, 0, 0, 0, 0, 0, 6, /* f */
     };
-    uint8_t result[sizeof(expected)];
-    g_assert_cmpint(qemu_get_buffer(loading, result, sizeof(result)), ==,
-                    sizeof(result));
-    g_assert(!qemu_file_get_error(loading));
-    g_assert_cmpint(memcmp(result, expected, sizeof(result)), ==, 0);
-
-    /* Must reach EOF */
-    qemu_get_byte(loading);
-    g_assert_cmpint(qemu_file_get_error(loading), ==, -EIO);
-
-    qemu_fclose(loading);
+    check_mem_file(fsave, expected, sizeof(expected));
+    qemu_fclose(fsave);
 }
 
 static void test_save_skip(void)
 {
-    QEMUFile *fsave = open_test_file(true);
+    QEMUFile *fsave = qemu_bufopen("w", NULL);
     TestStruct obj = { .a = 1, .b = 2, .c = 3, .d = 4, .e = 5, .f = 6,
                        .skip_c_e = true };
-    vmstate_save_state(fsave, &vmstate_skipping, &obj);
+    vmstate_save_state(fsave, &vmstate_skipping, &obj, NULL);
     g_assert(!qemu_file_get_error(fsave));
-    qemu_fclose(fsave);
 
-    QEMUFile *loading = open_test_file(false);
     uint8_t expected[] = {
         0, 0, 0, 1,             /* a */
         0, 0, 0, 2,             /* b */
         0, 0, 0, 0, 0, 0, 0, 4, /* d */
         0, 0, 0, 0, 0, 0, 0, 6, /* f */
     };
-    uint8_t result[sizeof(expected)];
-    g_assert_cmpint(qemu_get_buffer(loading, result, sizeof(result)), ==,
-                    sizeof(result));
-    g_assert(!qemu_file_get_error(loading));
-    g_assert_cmpint(memcmp(result, expected, sizeof(result)), ==, 0);
+    check_mem_file(fsave, expected, sizeof(expected));
 
-
-    /* Must reach EOF */
-    qemu_get_byte(loading);
-    g_assert_cmpint(qemu_file_get_error(loading), ==, -EIO);
-
-    qemu_fclose(loading);
+    qemu_fclose(fsave);
 }
 
 static void test_load_noskip(void)
 {
-    QEMUFile *fsave = open_test_file(true);
     uint8_t buf[] = {
         0, 0, 0, 10,             /* a */
         0, 0, 0, 20,             /* b */
@@ -442,10 +439,10 @@ static void test_load_noskip(void)
         0, 0, 0, 0, 0, 0, 0, 60, /* f */
         QEMU_VM_EOF, /* just to ensure we won't get EOF reported prematurely */
     };
-    qemu_put_buffer(fsave, buf, sizeof(buf));
-    qemu_fclose(fsave);
 
-    QEMUFile *loading = open_test_file(false);
+    QEMUSizedBuffer *qsb = qsb_create(buf, sizeof(buf));
+    g_assert(qsb);
+    QEMUFile *loading = qemu_bufopen("r", qsb);
     TestStruct obj = { .skip_c_e = false };
     vmstate_load_state(loading, &vmstate_skipping, &obj, 2);
     g_assert(!qemu_file_get_error(loading));
@@ -456,11 +453,11 @@ static void test_load_noskip(void)
     g_assert_cmpint(obj.e, ==, 50);
     g_assert_cmpint(obj.f, ==, 60);
     qemu_fclose(loading);
+    qsb_free(qsb);
 }
 
 static void test_load_skip(void)
 {
-    QEMUFile *fsave = open_test_file(true);
     uint8_t buf[] = {
         0, 0, 0, 10,             /* a */
         0, 0, 0, 20,             /* b */
@@ -468,10 +465,10 @@ static void test_load_skip(void)
         0, 0, 0, 0, 0, 0, 0, 60, /* f */
         QEMU_VM_EOF, /* just to ensure we won't get EOF reported prematurely */
     };
-    qemu_put_buffer(fsave, buf, sizeof(buf));
-    qemu_fclose(fsave);
 
-    QEMUFile *loading = open_test_file(false);
+    QEMUSizedBuffer *qsb = qsb_create(buf, sizeof(buf));
+    g_assert(qsb);
+    QEMUFile *loading = qemu_bufopen("r", qsb);
     TestStruct obj = { .skip_c_e = true, .c = 300, .e = 500 };
     vmstate_load_state(loading, &vmstate_skipping, &obj, 2);
     g_assert(!qemu_file_get_error(loading));
@@ -482,6 +479,7 @@ static void test_load_skip(void)
     g_assert_cmpint(obj.e, ==, 500);
     g_assert_cmpint(obj.f, ==, 60);
     qemu_fclose(loading);
+    qsb_free(qsb);
 }
 
 int main(int argc, char **argv)