Refined test to verify type of resulting integer

Author: eggyal

bindgen-integration/build.rs

@@ -60,11 +60,15 @@ impl ParseCallbacks for MacroCallback {
         }
     }
 
-    fn int_macro(&self, _name: &str, _value: i64) -> Option<IntKind> {
-        Some(IntKind::Custom {
-            name: "crate::MacroInteger",
-            is_signed: true,
-        })
+    fn int_macro(&self, name: &str, _value: i64) -> Option<IntKind> {
+        match name {
+            "TESTMACRO_CUSTOMINTKIND_PATH" => Some(IntKind::Custom {
+                name: "crate::MacroInteger",
+                is_signed: true,
+            }),
+
+            _ => None,
+        }
     }
 }
 

bindgen-integration/cpp/Test.h

@@ -5,6 +5,7 @@
 #define TESTMACRO_INTEGER 42
 #define TESTMACRO_STRING "Hello Preprocessor!"
 #define TESTMACRO_STRING_EXPANDED TESTMACRO_STRING
+#define TESTMACRO_CUSTOMINTKIND_PATH 123
 
 #include <cwchar>
 

bindgen-integration/src/lib.rs

@@ -244,3 +244,9 @@ fn test_item_rename() {
         member: bindings::bar { foo: 2 },
     };
 }
+
+#[test]
+fn test_macro_customintkind_path() {
+    let v: &std::any::Any = &bindings::TESTMACRO_CUSTOMINTKIND_PATH;
+    assert!(v.is::<MacroInteger>())
+}