From 6d93aeb128871fdac01855f67e1105b328a86804 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Tue, 3 Feb 2015 15:53:37 +1000
Subject: [PATCH] start adding unit test framework

---
 Makefile.am             |  2 +-
 configure.ac            | 22 ++++++++++++
 tests/Makefile.am       | 27 +++++++++++++++
 tests/test_virgl_init.c | 77 +++++++++++++++++++++++++++++++++++++++++
 4 files changed, 127 insertions(+), 1 deletion(-)
 create mode 100644 tests/Makefile.am
 create mode 100644 tests/test_virgl_init.c

diff --git a/Makefile.am b/Makefile.am
index 74d3b98..51ddddb 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -19,7 +19,7 @@
 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 # IN THE SOFTWARE.
 
-SUBDIRS = src
+SUBDIRS = src tests
 
 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = virglrenderer.pc
diff --git a/configure.ac b/configure.ac
index c8e510c..8725eb3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -20,6 +20,27 @@ AC_DISABLE_STATIC
 AC_PROG_LIBTOOL
 AC_SYS_LARGEFILE
 
+AC_ARG_ENABLE(tests,
+	      AS_HELP_STRING([--enable-tests], [Build the tests (default=auto)]),
+	      [build_tests="$enableval"],
+	      [build_tests="auto"])
+
+PKG_CHECK_MODULES(CHECK, [check >= 0.9.4], [HAVE_CHECK="yes"], [HAVE_CHECK="no"])
+
+if test "x$build_tests" = "xauto"; then
+	build_tests="$HAVE_CHECK"
+fi
+if test "x$build_tests" = "xyes"; then
+	if test "x$HAVE_CHECK" = "xno"; then
+		AC_MSG_ERROR([Cannot build tests, check is missing])
+	fi
+
+	AC_PATH_PROG(VALGRIND, [valgrind])
+fi
+
+AM_CONDITIONAL(HAVE_VALGRIND, [test "x$VALGRIND" != "x"])
+AM_CONDITIONAL(BUILD_TESTS, [test "x$build_tests" = "xyes"])
+
 XORG_MACROS_VERSION(1.8)
 XORG_DEFAULT_OPTIONS
 
@@ -43,6 +64,7 @@ AC_CONFIG_FILES([
 		Makefile
 		src/Makefile
 		src/gallium/auxiliary/Makefile
+		tests/Makefile
 ])
 AC_OUTPUT
 
diff --git a/tests/Makefile.am b/tests/Makefile.am
new file mode 100644
index 0000000..aebb8ba
--- /dev/null
+++ b/tests/Makefile.am
@@ -0,0 +1,27 @@
+if BUILD_TESTS
+
+AM_CPPFLAGS = -I$(top_srcdir)/src $(CHECK_CFLAGS)
+
+TEST_LIBS = $(top_builddir)/src/libvirglrenderer.la $(CHECK_LIBS)
+
+run_tests = test_virgl_init
+
+noinst_PROGRAMS = $(run_tests)
+TESTS = $(run_tests)
+
+test_virgl_init_SOURCES = test_virgl_init.c
+test_virgl_init_LDADD = $(TEST_LIBS)
+test_virgl_init_LDFLAGS = -no-install
+
+if HAVE_VALGRIND
+VALGRIND_FLAGS=--leak-check=full \
+	       --quiet \
+	       --error-exitcode=3
+
+valgrind:
+	$(MAKE) check-TESTS LOG_COMPILER="$(VALGRIND)" LOG_FLAGS="$(VALGRIND_FLAGS)" CK_FORK=no
+
+check: valgrind
+
+endif
+endif
diff --git a/tests/test_virgl_init.c b/tests/test_virgl_init.c
new file mode 100644
index 0000000..ebce171
--- /dev/null
+++ b/tests/test_virgl_init.c
@@ -0,0 +1,77 @@
+#include <check.h>
+#include <stdlib.h>
+#include <virglrenderer.h>
+
+static void *mycookie;
+
+static struct virgl_renderer_callbacks rcbs;
+
+START_TEST(virgl_init_no_cbs)
+{
+  int ret;
+  ret = virgl_renderer_init(mycookie, 0, NULL);
+  ck_assert_int_eq(ret, -1);
+}
+END_TEST
+
+START_TEST(virgl_init_no_cookie)
+{
+  int ret;
+  ret = virgl_renderer_init(NULL, 0, &rcbs);
+  ck_assert_int_eq(ret, -1);
+}
+END_TEST
+
+START_TEST(virgl_init_cbs_wrong_ver)
+{
+  int ret;
+  struct virgl_renderer_callbacks testcbs;
+  memset(&testcbs, 0, sizeof(testcbs));
+  testcbs.version = 2;
+  ret = virgl_renderer_init(mycookie, 0, &testcbs);
+  ck_assert_int_eq(ret, -1);
+}
+END_TEST
+
+START_TEST(virgl_init_egl)
+{
+  int ret;
+  rcbs.version = 1;
+  ret = virgl_renderer_init(mycookie, VIRGL_RENDERER_USE_EGL, &rcbs);
+  ck_assert_int_eq(ret, 0);
+}
+
+END_TEST
+Suite *virgl_init_suite(void)
+{
+  Suite *s;
+  TCase *tc_core;
+
+  s = suite_create("virgl_init");
+  tc_core = tcase_create("init");
+
+  tcase_add_test(tc_core, virgl_init_no_cbs);
+  tcase_add_test(tc_core, virgl_init_no_cookie);
+  tcase_add_test(tc_core, virgl_init_cbs_wrong_ver);
+  tcase_add_test(tc_core, virgl_init_egl);
+  suite_add_tcase(s, tc_core);
+  return s;
+
+}
+
+
+int main(void)
+{
+  Suite *s;
+  SRunner *sr;
+  int number_failed;
+
+  s = virgl_init_suite();
+  sr = srunner_create(s);
+
+  srunner_run_all(sr, CK_NORMAL);
+  number_failed = srunner_ntests_failed(sr);
+  srunner_free(sr);
+
+  return number_failed == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
+}