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/// Represents an error that occurs during serialization of a structural renderer.
///
/// This error stores a human-readable message describing what went wrong
/// during the serialization process.
#[derive(Debug)]
pub struct StructuralRendererSerializeError {
/// The underlying error message.
error: String,
}
impl StructuralRendererSerializeError {
#[must_use]
pub fn new(error: String) -> Self {
Self { error }
}
}
impl From<&str> for StructuralRendererSerializeError {
fn from(s: &str) -> Self {
Self::new(s.to_string())
}
}
impl std::ops::Deref for StructuralRendererSerializeError {
type Target = String;
fn deref(&self) -> &Self::Target {
&self.error
}
}
impl From<StructuralRendererSerializeError> for String {
fn from(val: StructuralRendererSerializeError) -> Self {
val.error
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn new_creates_error_with_message() {
let msg = "serialization failed".to_string();
let err = StructuralRendererSerializeError::new(msg.clone());
assert_eq!(err.error, msg);
}
#[test]
fn from_str_creates_error_from_string_slice() {
let err: StructuralRendererSerializeError = "oops".into();
assert_eq!(err.error, "oops");
}
#[test]
fn deref_accesses_inner_error_string() {
let err = StructuralRendererSerializeError::new("inner message".to_string());
let derefed: &String = &err;
assert_eq!(derefed, "inner message");
}
#[test]
fn into_string_extracts_message() {
let err = StructuralRendererSerializeError::new("extract me".to_string());
let s: String = err.into();
assert_eq!(s, "extract me");
}
}
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