test: fail if the filter leaves us with zero tests

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

diff --git a/test/litest.c b/test/litest.c
index 1ff535d247a3fd62872c2eac14e951ea388fef2b..de53b67d1b2cef8eaf164563e7be3ef819f4e114 100644 (file)
--- a/test/litest.c
+++ b/test/litest.c
@@ -755,6 +755,12 @@ litest_run(int argc, char **argv)
        int failed;
        SRunner *sr = NULL;
 
+       if (list_empty(&all_tests)) {
+               fprintf(stderr,
+                       "Error: filters are too strict, no tests to run.\n");
+               return 1;
+       }
+
        if (in_debugger == -1) {
                in_debugger = is_debugger_attached();
                if (in_debugger)
@@ -2204,6 +2210,8 @@ litest_parse_argv(int argc, char **argv)
 int
 main(int argc, char **argv)
 {
+       list_init(&all_tests);
+
        if (litest_parse_argv(argc, argv) != 0)
                return EXIT_FAILURE;