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#![allow(dead_code)]
use ron::error::{Error, Position, Span, SpannedError};
#[cfg(feature = "internal-span-substring-test")]
use ron::util::span_substring::check_error_span_inclusive;
#[derive(Debug, serde::Deserialize)]
struct Test {
a: i32,
b: i32,
}
#[test]
fn test_missing_comma_error() {
let tuple_string = r#"(
1 // <-- forgotten comma here
2
)"#;
assert_eq!(
ron::from_str::<(i32, i32)>(tuple_string).unwrap_err(),
SpannedError {
code: Error::ExpectedComma,
span: Span {
start: Position { line: 3, col: 9 },
end: Position { line: 3, col: 9 }
}
}
);
let list_string = r#"[
0,
1 // <-- forgotten comma here
2
]"#;
assert_eq!(
ron::from_str::<Vec<i32>>(list_string).unwrap_err(),
SpannedError {
code: Error::ExpectedComma,
span: Span {
start: Position { line: 4, col: 9 },
end: Position { line: 4, col: 9 }
}
}
);
let struct_string = r#"Test(
a: 1 // <-- forgotten comma here
b: 2
)"#;
assert_eq!(
ron::from_str::<Test>(struct_string).unwrap_err(),
SpannedError {
code: Error::ExpectedComma,
span: Span {
start: Position { line: 3, col: 9 },
end: Position { line: 3, col: 9 }
}
}
);
let map_string = r#"{
"a": 1 // <-- forgotten comma here
"b": 2
}"#;
assert_eq!(
ron::from_str::<std::collections::HashMap<String, i32>>(map_string).unwrap_err(),
SpannedError {
code: Error::ExpectedComma,
span: Span {
start: Position { line: 3, col: 9 },
end: Position { line: 3, col: 9 }
}
}
);
let extensions_string = r#"#![enable(
implicit_some // <-- forgotten comma here
unwrap_newtypes
]) 42"#;
assert_eq!(
ron::from_str::<u8>(extensions_string).unwrap_err(),
SpannedError {
code: Error::ExpectedComma,
span: Span {
start: Position { line: 2, col: 50 },
end: Position { line: 3, col: 9 }
}
}
);
#[cfg(feature = "internal-span-substring-test")]
check_error_span_inclusive::<u8>(
extensions_string,
Err(SpannedError {
code: Error::ExpectedComma,
span: Span {
start: Position { line: 2, col: 50 },
end: Position { line: 3, col: 9 },
},
}),
"\n u",
);
}
#[test]
fn test_comma_end() {
assert_eq!(ron::from_str::<(i32, i32)>("(0, 1)").unwrap(), (0, 1));
assert_eq!(ron::from_str::<(i32, i32)>("(0, 1,)").unwrap(), (0, 1));
assert_eq!(ron::from_str::<()>("()"), Ok(()));
}
|
