chore: checkpoint before Python removal

vendor/core-foundation-0.9.4/tests/use_macro_outside_crate.rs

@@ -0,0 +1,28 @@
+#[macro_use]
+extern crate core_foundation;
+
+use core_foundation::base::{CFComparisonResult, TCFType};
+use std::os::raw::c_void;
+
+// sys equivalent stuff that must be declared
+
+#[repr(C)]
+pub struct __CFFooBar(c_void);
+
+pub type CFFooBarRef = *const __CFFooBar;
+
+extern "C" {
+    pub fn CFFooBarGetTypeID() -> core_foundation::base::CFTypeID;
+    pub fn fake_compare(
+        this: CFFooBarRef,
+        other: CFFooBarRef,
+        context: *mut c_void,
+    ) -> CFComparisonResult;
+}
+
+// Try to use the macros outside of the crate
+
+declare_TCFType!(CFFooBar, CFFooBarRef);
+impl_TCFType!(CFFooBar, CFFooBarRef, CFFooBarGetTypeID);
+impl_CFTypeDescription!(CFFooBar);
+impl_CFComparison!(CFFooBar, fake_compare);