1 files changed, 18 insertions, 0 deletions
diff --git a/lib/mlibc/tests/posix/system.c b/lib/mlibc/tests/posix/system.c
new file mode 100644
index 0000000..d5d6317
--- /dev/null
+++ b/lib/mlibc/tests/posix/system.c
@@ -0,0 +1,18 @@
+#include <assert.h>
+#include <stdlib.h>
+#include <sys/wait.h>
+
+int main() {
+	int res;
+
+	res = system("true");
+	assert(WIFEXITED(res));
+	assert(WEXITSTATUS(res) == 0);
+
+	res = system("false");
+	assert(WIFEXITED(res));
+	assert(WEXITSTATUS(res) == 1);
+
+	res = system(NULL);
+	assert(res == 1);
+}