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test: use concrete type for arbitrary strategy (#3632)

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This commit is contained in:
Matthias Seitz
2023-07-06 20:21:25 +02:00
committed by GitHub
parent bfa84bb1b7
commit 5d904eba1e
1 changed files with 8 additions and 9 deletions
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17
crates/storage/db/src/tables/utils.rs
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@ -1,16 +1,14 @@
//! Small database table utilities and helper functions
//! Small database table utilities and helper functions.
use crate::{
table::{Decode, Decompress, Table},
DatabaseError,
};
use std::borrow::Cow;
#[macro_export]
/// Implements the `Arbitrary` trait for types with fixed array
/// types.
/// Implements the `Arbitrary` trait for types with fixed array types.
macro_rules! impl_fixed_arbitrary {
($name:tt, $size:tt) => {
($name:ident, $size:tt) => {
#[cfg(any(test, feature = "arbitrary"))]
use arbitrary::{Arbitrary, Unstructured};
@ -24,17 +22,18 @@ macro_rules! impl_fixed_arbitrary {
}
}
#[cfg(any(test, feature = "arbitrary"))]
use proptest::strategy::Strategy;
#[cfg(any(test, feature = "arbitrary"))]
impl proptest::prelude::Arbitrary for $name {
type Parameters = ();
type Strategy = proptest::prelude::BoxedStrategy<$name>;
type Strategy = proptest::strategy::Map<
proptest::collection::VecStrategy<<u8 as proptest::arbitrary::Arbitrary>::Strategy>,
fn(Vec<u8>) -> Self,
>;
fn arbitrary_with(args: Self::Parameters) -> Self::Strategy {
use proptest::strategy::Strategy;
proptest::collection::vec(proptest::arbitrary::any_with::<u8>(args), $size)
.prop_map(move |vec| Decode::decode(vec).unwrap())
.boxed()
}
}
};