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// Copyright 2018 Cryptape Technology LLC.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use std::fmt::Display;
use std::fmt::Formatter;
pub type Sm3Result<T> = Result<T, Sm3Error>;
pub enum Sm3Error {
ErrorMsgLen,
}
impl std::fmt::Debug for Sm3Error {
fn fmt(&self, f: &mut Formatter<'_>) -> ::std::fmt::Result {
write!(f, "{self}")
}
}
impl From<Sm3Error> for &str {
fn from(e: Sm3Error) -> Self {
match e {
Sm3Error::ErrorMsgLen => "SM3 Pad: error msgLen",
}
}
}
impl Display for Sm3Error {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
let err_msg = match self {
Sm3Error::ErrorMsgLen => "SM3 Pad: error msgLen",
};
write!(f, "{err_msg}")
}
}
#[cfg(test)]
mod tests {
use super::Sm3Error;
#[test]
fn test_error_display() {
assert_eq!(
format!("{}", Sm3Error::ErrorMsgLen),
"SM3 Pad: error msgLen"
)
}
}