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authorHampusM <hampus@hampusmat.com>2022-11-06 19:03:56 +0100
committerHampusM <hampus@hampusmat.com>2022-11-06 19:03:56 +0100
commit56349a530811bbf0657fed14912c7e02001b2c8a (patch)
tree165247000ceef0ceeaf3d0b7dbe48f9a6af10f29 /src/libs/intertrait/cast/arc.rs
parente282375de4ba75c69f7d619fc33c6250f6caba18 (diff)
test: split up cast unit tests into their respective modules
Diffstat (limited to 'src/libs/intertrait/cast/arc.rs')
-rw-r--r--src/libs/intertrait/cast/arc.rs50
1 files changed, 50 insertions, 0 deletions
diff --git a/src/libs/intertrait/cast/arc.rs b/src/libs/intertrait/cast/arc.rs
index 135cf64..6d3867c 100644
--- a/src/libs/intertrait/cast/arc.rs
+++ b/src/libs/intertrait/cast/arc.rs
@@ -45,3 +45,53 @@ impl<CastFromSelf: ?Sized + CastFromSync> CastArc for CastFromSelf
})
}
}
+
+#[cfg(test)]
+mod tests
+{
+ use std::any::Any;
+ use std::fmt::{Debug, Display};
+ use std::sync::Arc;
+
+ use super::*;
+ use crate::test_utils::subjects;
+
+ #[test]
+ fn can_cast_arc()
+ {
+ let concrete_ninja = Arc::new(subjects::Ninja);
+
+ let abstract_ninja: Arc<dyn subjects::INinja> = concrete_ninja;
+
+ let debug_ninja_result = abstract_ninja.cast::<dyn Debug>();
+
+ assert!(debug_ninja_result.is_ok());
+ }
+
+ #[test]
+ fn cannot_cast_arc_wrong()
+ {
+ let concrete_ninja = Arc::new(subjects::Ninja);
+
+ let abstract_ninja: Arc<dyn subjects::INinja> = concrete_ninja;
+
+ let display_ninja_result = abstract_ninja.cast::<dyn Display>();
+
+ assert!(matches!(
+ display_ninja_result,
+ Err(CastError::GetCasterFailed(_))
+ ));
+ }
+
+ #[test]
+ fn can_cast_arc_from_any()
+ {
+ let concrete_ninja = Arc::new(subjects::Ninja);
+
+ let any_ninja: Arc<dyn Any + Send + Sync> = concrete_ninja;
+
+ let debug_ninja_result = any_ninja.cast::<dyn Debug>();
+
+ assert!(debug_ninja_result.is_ok());
+ }
+}