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//! Strategies for `u128` and `i128`, since proptest doesn't provide them for the wasm target.
macro_rules! impl_num {
{ $name:ident } => {
pub(crate) mod $name {
type InnerStrategy = crate::array::UniformArrayStrategy<proptest::num::u64::Any, [u64; 2]>;
use proptest::strategy::{Strategy, ValueTree, NewTree};
#[must_use = "strategies do nothing unless used"]
#[derive(Clone, Copy, Debug)]
pub struct Any {
strategy: InnerStrategy,
}
pub struct BinarySearch {
inner: <InnerStrategy as Strategy>::Tree,
}
impl ValueTree for BinarySearch {
type Value = $name;
fn current(&self) -> $name {
unsafe { core::mem::transmute(self.inner.current()) }
}
fn simplify(&mut self) -> bool {
self.inner.simplify()
}
fn complicate(&mut self) -> bool {
self.inner.complicate()
}
}
impl Strategy for Any {
type Tree = BinarySearch;
type Value = $name;
fn new_tree(&self, runner: &mut proptest::test_runner::TestRunner) -> NewTree<Self> {
Ok(BinarySearch { inner: self.strategy.new_tree(runner)? })
}
}
pub const ANY: Any = Any { strategy: InnerStrategy::new(proptest::num::u64::ANY) };
}
}
}
impl_num! { u128 }
impl_num! { i128 }
|
