1 files changed, 129 insertions, 0 deletions
diff --git a/test/bun.js/ffi-test.c b/test/bun.js/ffi-test.c
new file mode 100644
index 000000000..cc87d0528
--- /dev/null
+++ b/test/bun.js/ffi-test.c
@@ -0,0 +1,129 @@
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+bool returns_true();
+bool returns_false();
+char returns_42_char();
+float returns_42_float();
+double returns_42_double();
+uint8_t returns_42_uint8_t();
+int8_t returns_neg_42_int8_t();
+uint16_t returns_42_uint16_t();
+uint32_t returns_42_uint32_t();
+uint64_t returns_42_uint64_t();
+int16_t returns_neg_42_int16_t();
+int32_t returns_neg_42_int32_t();
+int64_t returns_neg_42_int64_t();
+
+bool cb_identity_true(bool (*cb)());
+bool cb_identity_false(bool (*cb)());
+char cb_identity_42_char(char (*cb)());
+float cb_identity_42_float(float (*cb)());
+double cb_identity_42_double(double (*cb)());
+uint8_t cb_identity_42_uint8_t(uint8_t (*cb)());
+int8_t cb_identity_neg_42_int8_t(int8_t (*cb)());
+uint16_t cb_identity_42_uint16_t(uint16_t (*cb)());
+uint32_t cb_identity_42_uint32_t(uint32_t (*cb)());
+uint64_t cb_identity_42_uint64_t(uint64_t (*cb)());
+int16_t cb_identity_neg_42_int16_t(int16_t (*cb)());
+int32_t cb_identity_neg_42_int32_t(int32_t (*cb)());
+int64_t cb_identity_neg_42_int64_t(int64_t (*cb)());
+
+bool identity_bool_true();
+bool identity_bool_false();
+char identity_char(char a);
+float identity_float(float a);
+bool identity_bool(bool ident);
+double identity_double(double a);
+int8_t identity_int8_t(int8_t a);
+int16_t identity_int16_t(int16_t a);
+int32_t identity_int32_t(int32_t a);
+int64_t identity_int64_t(int64_t a);
+uint8_t identity_uint8_t(uint8_t a);
+uint16_t identity_uint16_t(uint16_t a);
+uint32_t identity_uint32_t(uint32_t a);
+uint64_t identity_uint64_t(uint64_t a);
+
+char add_char(char a, char b);
+float add_float(float a, float b);
+double add_double(double a, double b);
+int8_t add_int8_t(int8_t a, int8_t b);
+int16_t add_int16_t(int16_t a, int16_t b);
+int32_t add_int32_t(int32_t a, int32_t b);
+int64_t add_int64_t(int64_t a, int64_t b);
+uint8_t add_uint8_t(uint8_t a, uint8_t b);
+uint16_t add_uint16_t(uint16_t a, uint16_t b);
+uint32_t add_uint32_t(uint32_t a, uint32_t b);
+uint64_t add_uint64_t(uint64_t a, uint64_t b);
+
+bool returns_false() { return false; }
+bool returns_true() { return true; }
+char returns_42_char() { return '*'; }
+double returns_42_double() { return (double)42.42; }
+float returns_42_float() { return 42.42f; }
+int16_t returns_neg_42_int16_t() { return -42; }
+int32_t returns_neg_42_int32_t() { return -42; }
+int64_t returns_neg_42_int64_t() { return -42; }
+int8_t returns_neg_42_int8_t() { return -42; }
+uint16_t returns_42_uint16_t() { return 42; }
+uint32_t returns_42_uint32_t() { return 42; }
+uint64_t returns_42_uint64_t() { return 42; }
+uint8_t returns_42_uint8_t() { return (uint8_t)42; }
+
+char identity_char(char a) { return a; }
+float identity_float(float a) { return a; }
+double identity_double(double a) { return a; }
+int8_t identity_int8_t(int8_t a) { return a; }
+int16_t identity_int16_t(int16_t a) { return a; }
+int32_t identity_int32_t(int32_t a) { return a; }
+int64_t identity_int64_t(int64_t a) { return a; }
+uint8_t identity_uint8_t(uint8_t a) { return a; }
+uint16_t identity_uint16_t(uint16_t a) { return a; }
+uint32_t identity_uint32_t(uint32_t a) { return a; }
+uint64_t identity_uint64_t(uint64_t a) { return a; }
+bool identity_bool(bool ident) { return ident; }
+void *identity_ptr(void *ident) { return ident; }
+
+char add_char(char a, char b) { return a + b; }
+float add_float(float a, float b) { return a + b; }
+double add_double(double a, double b) { return a + b; }
+int8_t add_int8_t(int8_t a, int8_t b) { return a + b; }
+int16_t add_int16_t(int16_t a, int16_t b) { return a + b; }
+int32_t add_int32_t(int32_t a, int32_t b) { return a + b; }
+int64_t add_int64_t(int64_t a, int64_t b) { return a + b; }
+uint8_t add_uint8_t(uint8_t a, uint8_t b) { return a + b; }
+uint16_t add_uint16_t(uint16_t a, uint16_t b) { return a + b; }
+uint32_t add_uint32_t(uint32_t a, uint32_t b) { return a + b; }
+uint64_t add_uint64_t(uint64_t a, uint64_t b) { return a + b; }
+
+void *ptr_should_point_to_42_as_int32_t();
+void *ptr_should_point_to_42_as_int32_t() {
+  int32_t *ptr = malloc(sizeof(int32_t));
+  *ptr = 42;
+  return ptr;
+}
+
+bool does_pointer_equal_42_as_int32_t(int32_t *ptr);
+bool does_pointer_equal_42_as_int32_t(int32_t *ptr) { return *ptr == 42; }
+
+void *return_a_function_ptr_to_function_that_returns_true();
+void *return_a_function_ptr_to_function_that_returns_true() {
+  return (void *)&returns_true;
+}
+
+bool cb_identity_true(bool (*cb)()) { return cb(); }
+
+bool cb_identity_false(bool (*cb)()) { return cb(); }
+char cb_identity_42_char(char (*cb)()) { return cb(); }
+float cb_identity_42_float(float (*cb)()) { return cb(); }
+double cb_identity_42_double(double (*cb)()) { return cb(); }
+uint8_t cb_identity_42_uint8_t(uint8_t (*cb)()) { return cb(); }
+int8_t cb_identity_neg_42_int8_t(int8_t (*cb)()) { return cb(); }
+uint16_t cb_identity_42_uint16_t(uint16_t (*cb)()) { return cb(); }
+uint32_t cb_identity_42_uint32_t(uint32_t (*cb)()) { return cb(); }
+uint64_t cb_identity_42_uint64_t(uint64_t (*cb)()) { return cb(); }
+int16_t cb_identity_neg_42_int16_t(int16_t (*cb)()) { return cb(); }
+int32_t cb_identity_neg_42_int32_t(int32_t (*cb)()) { return cb(); }
+int64_t cb_identity_neg_42_int64_t(int64_t (*cb)()) { return cb(); }
+\ No newline at end of file