use crate::serialization::op_code::OpCode;
use crate::types::stype::SType;
use super::expr::Expr;
use super::expr::InvalidArgumentError;
use super::unary_op::OneArgOp;
use super::unary_op::OneArgOpTryBuild;
use crate::has_opcode::HasStaticOpCode;
#[derive(PartialEq, Eq, Debug, Clone)]
pub struct ExtractBytes {
pub input: Box<Expr>,
}
impl ExtractBytes {
pub fn tpe(&self) -> SType {
SType::SColl(SType::SByte.into())
}
}
impl HasStaticOpCode for ExtractBytes {
const OP_CODE: OpCode = OpCode::EXTRACT_BYTES;
}
impl OneArgOp for ExtractBytes {
fn input(&self) -> &Expr {
&self.input
}
}
impl OneArgOpTryBuild for ExtractBytes {
fn try_build(input: Expr) -> Result<Self, InvalidArgumentError> {
input.check_post_eval_tpe(&SType::SBox)?;
Ok(ExtractBytes {
input: input.into(),
})
}
}
#[cfg(test)]
#[cfg(feature = "arbitrary")]
mod tests {
use super::*;
use crate::mir::global_vars::GlobalVars;
use crate::serialization::sigma_serialize_roundtrip;
#[test]
fn ser_roundtrip() {
let e: Expr = ExtractBytes {
input: Box::new(GlobalVars::SelfBox.into()),
}
.into();
assert_eq![sigma_serialize_roundtrip(&e), e];
}
}