[PATCH] tests: use g_test_rand_int

[Paolo Bonzini]

g_test_rand_int provides a reproducible random integer number, using a
different number seed every time but allowing reproduction using the
--seed command line option.  It is thus better suited to tests than
g_random_int or random.

Signed-off-by: Paolo Bonzini <address@hidden>
---
 block/vhdx.c         | 2 +-
 block/vmdk.c         | 4 ++--
 tests/ivshmem-test.c | 2 +-
 tests/test-bitmap.c  | 8 ++++----
 tests/test-qga.c     | 4 ++--
 5 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/block/vhdx.c b/block/vhdx.c
index f02d261..36465d5 100644
--- a/block/vhdx.c
+++ b/block/vhdx.c
@@ -1504,7 +1504,7 @@ static int vhdx_create_new_headers(BlockBackend *blk, 
uint64_t image_size,
     hdr = g_new0(VHDXHeader, 1);
 
     hdr->signature       = VHDX_HEADER_SIGNATURE;
-    hdr->sequence_number = g_random_int();
+    hdr->sequence_number = g_test_rand_int();
     hdr->log_version     = 0;
     hdr->version         = 1;
     hdr->log_length      = log_size;
diff --git a/block/vmdk.c b/block/vmdk.c
index 20e909d..eba96bf 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -2037,7 +2037,7 @@ static int vmdk_pwritev(BlockDriverState *bs, uint64_t 
offset,
         /* update CID on the first write every time the virtual disk is
          * opened */
         if (!s->cid_updated) {
-            ret = vmdk_write_cid(bs, g_random_int());
+            ret = vmdk_write_cid(bs, g_test_rand_int());
             if (ret < 0) {
                 return ret;
             }
@@ -2499,7 +2499,7 @@ static int coroutine_fn vmdk_co_do_create(int64_t size,
 
     /* generate descriptor file */
     desc = g_strdup_printf(desc_template,
-                           g_random_int(),
+                           g_test_rand_int(),
                            parent_cid,
                            BlockdevVmdkSubformat_str(subformat),
                            parent_desc_line,
diff --git a/tests/ivshmem-test.c b/tests/ivshmem-test.c
index be9aa92..ecda256 100644
--- a/tests/ivshmem-test.c
+++ b/tests/ivshmem-test.c
@@ -443,7 +443,7 @@ static gchar *mktempshm(int size, int *fd)
     while (true) {
         gchar *name;
 
-        name = g_strdup_printf("/qtest-%u-%u", getpid(), g_random_int());
+        name = g_strdup_printf("/qtest-%u-%u", getpid(), g_test_rand_int());
         *fd = shm_open(name, O_CREAT|O_RDWR|O_EXCL,
                        S_IRWXU|S_IRWXG|S_IRWXO);
         if (*fd > 0) {
diff --git a/tests/test-bitmap.c b/tests/test-bitmap.c
index 087e02a..2f5b714 100644
--- a/tests/test-bitmap.c
+++ b/tests/test-bitmap.c
@@ -22,10 +22,10 @@ static void check_bitmap_copy_with_offset(void)
     bmap2 = bitmap_new(BMAP_SIZE);
     bmap3 = bitmap_new(BMAP_SIZE);
 
-    bmap1[0] = random();
-    bmap1[1] = random();
-    bmap1[2] = random();
-    bmap1[3] = random();
+    bmap1[0] = g_test_rand_int();
+    bmap1[1] = g_test_rand_int();
+    bmap1[2] = g_test_rand_int();
+    bmap1[3] = g_test_rand_int();
     total = BITS_PER_LONG * 4;
 
     /* Shift 115 bits into bmap2 */
diff --git a/tests/test-qga.c b/tests/test-qga.c
index 1ca49bb..d2b2435 100644
--- a/tests/test-qga.c
+++ b/tests/test-qga.c
@@ -143,7 +143,7 @@ static void qmp_assertion_message_error(const char     
*domain,
 static void test_qga_sync_delimited(gconstpointer fix)
 {
     const TestFixture *fixture = fix;
-    guint32 v, r = g_random_int();
+    guint32 v, r = g_test_rand_int();
     unsigned char c;
     QDict *ret;
 
@@ -186,7 +186,7 @@ static void test_qga_sync_delimited(gconstpointer fix)
 static void test_qga_sync(gconstpointer fix)
 {
     const TestFixture *fixture = fix;
-    guint32 v, r = g_random_int();
+    guint32 v, r = g_test_rand_int();
     QDict *ret;
 
     /*
-- 
1.8.3.1