diff --git a/liba/test/stdint.c b/liba/test/stdint.c
new file mode 100644
index 000000000..7997810b4
--- /dev/null
+++ b/liba/test/stdint.c
@@ -0,0 +1,12 @@
+#include <quiz.h>
+#include <stdint.h>
+#include <assert.h>
+
+QUIZ_CASE(liba_stdint) {
+  int8_t i = -1;
+  int j = -1;
+  assert(i == -1);
+  assert(i == j);
+  assert(sizeof(int8_t) == 1);
+}
+