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use crate::convert::float::Float;
use crate::convert::{Error, FromMrb, TryFromMrb};
use crate::value::types::{Ruby, Rust};
use crate::value::Value;
use crate::Mrb;
impl FromMrb<Vec<Float>> for Value {
type From = Rust;
type To = Ruby;
fn from_mrb(interp: &Mrb, value: Vec<Float>) -> Self {
let mut values = Vec::with_capacity(value.len());
for item in value {
values.push(Self::from_mrb(interp, item));
}
Self::from_mrb(interp, values)
}
}
#[allow(clippy::use_self)]
impl TryFromMrb<Value> for Vec<Float> {
type From = Ruby;
type To = Rust;
unsafe fn try_from_mrb(
interp: &Mrb,
value: Value,
) -> Result<Self, Error<Self::From, Self::To>> {
let values = <Vec<Value>>::try_from_mrb(interp, value)?;
let mut vec = Self::with_capacity(values.len());
for item in values {
vec.push(Float::try_from_mrb(interp, item)?);
}
Ok(vec)
}
}
impl FromMrb<Vec<Option<Float>>> for Value {
type From = Rust;
type To = Ruby;
fn from_mrb(interp: &Mrb, value: Vec<Option<Float>>) -> Self {
let mut values = Vec::with_capacity(value.len());
for item in value {
values.push(Self::from_mrb(interp, item));
}
Self::from_mrb(interp, values)
}
}
#[allow(clippy::use_self)]
impl TryFromMrb<Value> for Vec<Option<Float>> {
type From = Ruby;
type To = Rust;
unsafe fn try_from_mrb(
interp: &Mrb,
value: Value,
) -> Result<Self, Error<Self::From, Self::To>> {
let values = <Vec<Value>>::try_from_mrb(interp, value)?;
let mut vec = Self::with_capacity(values.len());
for item in values {
vec.push(<Option<Float>>::try_from_mrb(interp, item)?);
}
Ok(vec)
}
}
#[cfg(test)]
mod tests {
use quickcheck_macros::quickcheck;
use std::convert::TryFrom;
use crate::convert::float::Float;
use crate::convert::{Error, FromMrb, TryFromMrb};
use crate::eval::MrbEval;
use crate::sys;
use crate::value::types::{Ruby, Rust};
use crate::value::Value;
#[test]
fn fail_convert() {
let interp = crate::interpreter().expect("mrb init");
let value = interp.eval("Object.new").expect("eval");
let expected = Error {
from: Ruby::Object,
to: Rust::Vec,
};
let result = unsafe { <Vec<Float>>::try_from_mrb(&interp, value) }.map(|_| ());
assert_eq!(result, Err(expected));
}
#[allow(clippy::needless_pass_by_value)]
#[quickcheck]
fn convert_to_value(v: Vec<Float>) -> bool {
let interp = crate::interpreter().expect("mrb init");
let value = Value::from_mrb(&interp, v.clone());
let inner = value.inner();
let size = i64::try_from(v.len()).expect("vec size");
unsafe { sys::mrb_sys_ary_len(inner) == size }
}
#[allow(clippy::needless_pass_by_value)]
#[quickcheck]
fn roundtrip(v: Vec<Float>) -> bool {
let interp = crate::interpreter().expect("mrb init");
let value = Value::from_mrb(&interp, v.clone());
unsafe { <Vec<Float>>::try_from_mrb(&interp, value) == Ok(v) }
}
}