Added tests

Author: eggyal

bindgen-integration/build.rs

@@ -1,7 +1,7 @@
 extern crate bindgen;
 extern crate cc;
 
-use bindgen::callbacks::{MacroParsingBehavior, ParseCallbacks};
+use bindgen::callbacks::{MacroParsingBehavior, ParseCallbacks, IntKind};
 use bindgen::Builder;
 use std::collections::HashSet;
 use std::env;
@@ -59,6 +59,13 @@ impl ParseCallbacks for MacroCallback {
             _ => {}
         }
     }
+
+    fn int_macro(&self, _name: &str, _value: i64) -> Option<IntKind> {
+        Some(IntKind::Custom {
+            name: "crate::MacroInteger",
+            is_signed: true,
+        })
+    }
 }
 
 impl Drop for MacroCallback {

bindgen-integration/src/lib.rs

@@ -11,6 +11,8 @@ use std::os::raw::c_int;
 #[allow(unused)]
 use bindings::testing::Bar; // This type is generated from module_raw_line.
 
+type MacroInteger = isize;
+
 #[test]
 fn test_static_array() {
     let mut test = unsafe { bindings::Test_COUNTDOWN.as_ptr() };