4 files changed, 30 insertions, 3 deletions
diff --git a/tests/bytecode.amal b/tests/bytecode.amal
index dd9bd3d..096f921 100644
--- a/tests/bytecode.amal
+++ b/tests/bytecode.amal
@@ -1,4 +1,5 @@
-extern const printf: fn;
+extern const print_extern: fn;
+extern const print_extern_num: fn(num: i32);
 
 const main = fn {
     var value = 23;
@@ -6,9 +7,8 @@ const main = fn {
     const value2: i64 = 23;
     const value3 = 2 + 5 - 1 * 10 / 2;
     const str_value = "hello, world";
-    //printf();
     print();
-    const result = print_num(value3);
+    const result = print_num(1337);
 }
 
 const print = fn {
@@ -16,5 +16,8 @@ const print = fn {
 }
 
 const print_num = fn(num: i32) i32 {
+    print_extern();
+    print_extern_num(num);
+    print_extern_num(8080);
     return num;
 }
 \ No newline at end of file
diff --git a/tests/errors/extern_closure_one_return_value.amal b/tests/errors/extern_closure_one_return_value.amal
new file mode 100644
index 0000000..982897f
--- /dev/null
+++ b/tests/errors/extern_closure_one_return_value.amal
@@ -0,0 +1 @@
+extern const func: fn() i32, i32;
+\ No newline at end of file
diff --git a/tests/errors/too_long_var_name.amal b/tests/errors/too_long_var_name.amal
new file mode 100644
index 0000000..eff8ff1
--- /dev/null
+++ b/tests/errors/too_long_var_name.amal
@@ -0,0 +1 @@
+extern const veryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryveryverylongname: fn;
+\ No newline at end of file
diff --git a/tests/main.c b/tests/main.c
index 3336c46..05725f7 100644
--- a/tests/main.c
+++ b/tests/main.c
@@ -131,6 +131,16 @@ static CHECK_RESULT int get_thread_count_env_var(int *thread_count) {
     return 0;
 }
 
+static int print_extern() {
+    printf("hello from amalgam extern func, print_extern!\n");
+    return 0;
+}
+
+static int print_extern_num(i64 num) {
+    printf("hello from amalgam extern func, print_extern_num, value: %ld!\n", num);
+    return 0;
+}
+
 static void test_load(const char *filepath) {
     amal_compiler_options options;
     amal_program program;
@@ -146,6 +156,16 @@ static void test_load(const char *filepath) {
         fprintf(stderr, "Failed to initialize amal program\n");
         FAIL_TEST(full_path);
     }
+
+    if(amal_program_add_extern_func(&program, create_buffer_view("print_extern", 12), print_extern, 0) != 0) {
+        fprintf(stderr, "Unexpected error (alloc failure)\n");
+        FAIL_TEST(full_path);
+    }
+    if(amal_program_add_extern_func(&program, create_buffer_view("print_extern_num", 16), print_extern_num, sizeof(i64)) != 0) {
+        fprintf(stderr, "Unexpected error (alloc failure)\n");
+        FAIL_TEST(full_path);
+    }
+
     result = amal_compiler_load_file(&options, &program, filepath);
     if(result != AMAL_COMPILER_OK) {
         fprintf(stderr, "Failed to load file %s, result: %d\n", full_path, result);
@@ -252,6 +272,8 @@ static void run_all_tests() {
         "                 ^\n");
     test_load_error("tests/errors/no_main_func.amal", NULL);
     test_load_error("tests/errors/closure_duplicate_param_name.amal", "TODO: Add expected error here");
+    test_load_error("tests/errors/extern_closure_one_return_value.amal", "TODO: Add expected error here");
+    test_load_error("tests/errors/too_long_var_name.amal", "TODO: Add expected error here");
 }
 
 /* TODO: Restrict variables in global scope to const */