tests: use g_test_rand_int

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 <pbonzini@redhat.com>
Message-Id: <1576113478-42926-1-git-send-email-pbonzini@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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 @@
     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 @@
     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 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(gconstpointer fix)
 {
     const TestFixture *fixture = fix;
-    guint32 v, r = g_random_int();
+    guint32 v, r = g_test_rand_int();
     QDict *ret;
 
     /*