serde/test_suite/tests/test_serde_path.rs
2019-04-03 09:40:12 -07:00

41 lines
1016 B
Rust

#[test]
fn test_gen_custom_serde() {
#[derive(serde::Serialize, serde::Deserialize)]
#[serde(crate = "fake_serde")]
struct Foo;
// Would be overlapping if serde::Serialize were implemented
impl AssertNotSerdeSerialize for Foo {}
// Would be overlapping if serde::Deserialize were implemented
impl<'a> AssertNotSerdeDeserialize<'a> for Foo {}
fake_serde::assert::<Foo>();
}
mod fake_serde {
pub use serde::*;
pub fn assert<T>()
where
T: Serialize,
T: for<'a> Deserialize<'a>,
{
}
pub trait Serialize {
fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error>;
}
pub trait Deserialize<'a>: Sized {
fn deserialize<D: Deserializer<'a>>(deserializer: D) -> Result<Self, D::Error>;
}
}
trait AssertNotSerdeSerialize {}
impl<T: serde::Serialize> AssertNotSerdeSerialize for T {}
trait AssertNotSerdeDeserialize<'a> {}
impl<'a, T: serde::Deserialize<'a>> AssertNotSerdeDeserialize<'a> for T {}