Show that the selftests are executed from a fairly "normal" userspace context.
Signed-off-by: Thomas Weißschuh thomas.weissschuh@linutronix.de --- lib/kunit/kunit-example-uapi.c | 34 +++++++++++++++++++++++++++++++++- 1 file changed, 33 insertions(+), 1 deletion(-)
diff --git a/lib/kunit/kunit-example-uapi.c b/lib/kunit/kunit-example-uapi.c index 4ce657050dd4a576632a41ca0309c4cb5134ce14..5e7a0f3b68f182c42b03e667567e66f02d8c2b86 100644 --- a/lib/kunit/kunit-example-uapi.c +++ b/lib/kunit/kunit-example-uapi.c @@ -8,13 +8,45 @@ * This is *userspace* code. */
+#include <fcntl.h> +#include <unistd.h> +#include <string.h> + #include "../../tools/testing/selftests/kselftest.h"
+static void test_procfs(void) +{ + char buf[256]; + ssize_t r; + int fd; + + fd = open("/proc/self/comm", O_RDONLY); + if (fd == -1) { + ksft_test_result_fail("procfs: open() failed: %s\n", strerror(errno)); + return; + } + + r = read(fd, buf, sizeof(buf)); + close(fd); + + if (r == -1) { + ksft_test_result_fail("procfs: read() failed: %s\n", strerror(errno)); + return; + } + + if (r != 16 || strncmp("kunit-example-u\n", buf, 16) != 0) { + ksft_test_result_fail("procfs: incorrect comm\n"); + return; + } + + ksft_test_result_pass("procfs\n"); +} + int main(void) { ksft_print_header(); ksft_set_plan(4); - ksft_test_result_pass("userspace test 1\n"); + test_procfs(); ksft_test_result_pass("userspace test 2\n"); ksft_test_result_skip("userspace test 3: some reason\n"); ksft_test_result_pass("userspace test 4\n");