proptest/arbitrary/_core/
cmp.rs

1//-
2// Copyright 2017, 2018 The proptest developers
3//
4// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
5// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
6// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
7// option. This file may not be copied, modified, or distributed
8// except according to those terms.
9
10//! Arbitrary implementations for `std::cmp`.
11
12use core::cmp::{Ordering, Reverse};
13
14use crate::strategy::{Just, TupleUnion, WA};
15
16wrap_ctor!(Reverse, Reverse);
17
18type WAJO = WA<Just<Ordering>>;
19arbitrary!(Ordering, TupleUnion<(WAJO, WAJO, WAJO)>;
20    prop_oneof![
21        Just(Ordering::Equal),
22        Just(Ordering::Less),
23        Just(Ordering::Greater)
24    ]
25);
26
27#[cfg(test)]
28mod test {
29    no_panic_test!(
30        reverse => Reverse<u8>,
31        ordering => Ordering
32    );
33}