Merge remote-tracking branch 'remotes/thuth-gitlab/tags/pull-request-2021-03-12' into staging

* Move unit and bench tests into separate directories
* Clean-up and improve gitlab-ci jobs
* Drop the non-working "check-speed" makefile target
* Minor documentation updates

# gpg: Signature made Fri 12 Mar 2021 17:18:45 GMT
# gpg:                using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg:                issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* remotes/thuth-gitlab/tags/pull-request-2021-03-12:
  README: Add Documentation blurb
  MAINTAINERS: Merge the Gitlab-CI section into the generic CI section
  tests: remove "make check-speed" in favor of "make bench"
  gitlab-ci.yml: Merge check-crypto-old jobs into the build-crypto-old jobs
  gitlab-ci.yml: Merge one of the coroutine jobs with the tcg-disabled job
  gitlab-ci.yml: Add some missing dependencies to the jobs
  gitlab-ci.yml: Move build-tools-and-docs-debian to a better place
  tests: Move benchmarks into a separate folder
  tests: Move unit tests into a separate directory

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 78 insertions, 0 deletions

diff --git a/tests/unit/test-bufferiszero.c b/tests/unit/test-bufferiszero.c
new file mode 100644
index 0000000000..e45fd31804
--- /dev/null
+++ b/tests/unit/test-bufferiszero.c
@@ -0,0 +1,78 @@
+/*
+ * QEMU buffer_is_zero test
+ *
+ * Copyright (c) 2016 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/cutils.h"
+
+static char buffer[8 * 1024 * 1024];
+
+static void test_1(void)
+{
+    size_t s, a, o;
+
+    /* Basic positive test.  */
+    g_assert(buffer_is_zero(buffer, sizeof(buffer)));
+
+    /* Basic negative test.  */
+    buffer[sizeof(buffer) - 1] = 1;
+    g_assert(!buffer_is_zero(buffer, sizeof(buffer)));
+    buffer[sizeof(buffer) - 1] = 0;
+
+    /* Positive tests for size and alignment.  */
+    for (a = 1; a <= 64; a++) {
+        for (s = 1; s < 1024; s++) {
+            buffer[a - 1] = 1;
+            buffer[a + s] = 1;
+            g_assert(buffer_is_zero(buffer + a, s));
+            buffer[a - 1] = 0;
+            buffer[a + s] = 0;
+        }
+    }
+
+    /* Negative tests for size, alignment, and the offset of the marker.  */
+    for (a = 1; a <= 64; a++) {
+        for (s = 1; s < 1024; s++) {
+            for (o = 0; o < s; ++o) {
+                buffer[a + o] = 1;
+                g_assert(!buffer_is_zero(buffer + a, s));
+                buffer[a + o] = 0;
+            }
+        }
+    }
+}
+
+static void test_2(void)
+{
+    if (g_test_perf()) {
+        test_1();
+    } else {
+        do {
+            test_1();
+        } while (test_buffer_is_zero_next_accel());
+    }
+}
+
+int main(int argc, char **argv)
+{
+    g_test_init(&argc, &argv, NULL);
+    g_test_add_func("/cutils/bufferiszero", test_2);
+
+    return g_test_run();
+}