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use crate::common_macro::schema_imports::*;
use core::marker::PhantomData;
#[test]
fn phantom_data_schema() {
let phantom_declaration = PhantomData::<String>::declaration();
assert_eq!("()", phantom_declaration);
let phantom_declaration = PhantomData::<Vec<u8>>::declaration();
assert_eq!("()", phantom_declaration);
}
#[test]
pub fn generic_struct_with_phantom_data_derived() {
#[allow(unused)]
#[derive(borsh::BorshSchema)]
struct Parametrized<K, V> {
field: K,
another: PhantomData<V>,
}
assert_eq!(
"Parametrized<String>".to_string(),
<Parametrized<String, u32>>::declaration()
);
let mut defs = Default::default();
<Parametrized<String, u32>>::add_definitions_recursively(&mut defs);
assert_eq!(
schema_map! {
"Parametrized<String>" => Definition::Struct {
fields: Fields::NamedFields(vec![
("field".to_string(), "String".to_string()),
("another".to_string(), "()".to_string())
])
},
"()" => Definition::Primitive(0),
"String" => Definition::Sequence {
length_width: Definition::DEFAULT_LENGTH_WIDTH,
length_range: Definition::DEFAULT_LENGTH_RANGE,
elements: "u8".to_string()
},
"u8" => Definition::Primitive(1)
},
defs
);
}
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