test(ExportEnum): to/from variant

Author: Bogay

test/src/lib.rs

@@ -8,6 +8,7 @@ mod test_as_arg;
 mod test_async;
 mod test_constructor;
 mod test_derive;
+mod test_export_enum;
 mod test_free_ub;
 mod test_generic_class;
 mod test_indexed_props;
@@ -52,6 +53,7 @@ pub extern "C" fn run_tests(
     status &= test_vararray_return::run_tests();
     status &= test_variant_call_args::run_tests();
     status &= test_variant_ops::run_tests();
+    status &= test_export_enum::run_tests();
 
     Variant::new(status).leak()
 }

test/src/test_export_enum.rs

@@ -0,0 +1,28 @@
+use gdnative::prelude::*;
+
+#[derive(Debug, PartialEq, Clone, Copy, ExportEnum)]
+enum Dir {
+    Up = 1,
+    Down = -1,
+}
+
+pub(crate) fn run_tests() -> bool {
+    let mut ok = true;
+
+    ok &= test_from_variant();
+    ok &= test_to_variant();
+
+    ok
+}
+
+crate::godot_itest!(test_from_variant {
+    assert_eq!(Dir::from_variant(&1_i32.to_variant()), Ok(Dir::Up));
+    assert_eq!(Dir::from_variant(&(-1_i32).to_variant()), Ok(Dir::Down));
+    // 42 isn't mapped to any variant of `Dir`
+    assert!(Dir::from_variant(&42_i32.to_variant()).is_err());
+});
+
+crate::godot_itest!(test_to_variant {
+    assert_eq!(Dir::Up.to_variant(), 1_i32.to_variant());
+    assert_eq!(Dir::Down.to_variant(), (-1_i32).to_variant());
+});