tests/unix: Add ffi test for integer types.

Signed-off-by: Damien George <damien@micropython.org>

1 files changed, 33 insertions, 0 deletions

diff --git a/tests/unix/ffi_lib.c b/tests/unix/ffi_lib.c
new file mode 100644
index 000000000..35340536a
--- /dev/null
+++ b/tests/unix/ffi_lib.c
@@ -0,0 +1,33 @@
+#include <stdint.h>
+
+int8_t f8i(int8_t x) {
+    return x ^ 1;
+}
+
+uint8_t f8u(uint8_t x) {
+    return x ^ 1;
+}
+
+int16_t f16i(int16_t x) {
+    return x ^ 1;
+}
+
+uint16_t f16u(uint16_t x) {
+    return x ^ 1;
+}
+
+int32_t f32i(int32_t x) {
+    return x ^ 1;
+}
+
+uint32_t f32u(uint32_t x) {
+    return x ^ 1;
+}
+
+int64_t f64i(int64_t x) {
+    return x ^ 1;
+}
+
+uint64_t f64u(uint64_t x) {
+    return x ^ 1;
+}