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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /third_party/rust/indexmap/src/arbitrary.rs | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/indexmap/src/arbitrary.rs')
-rw-r--r-- | third_party/rust/indexmap/src/arbitrary.rs | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/third_party/rust/indexmap/src/arbitrary.rs b/third_party/rust/indexmap/src/arbitrary.rs new file mode 100644 index 0000000000..1347c8b54f --- /dev/null +++ b/third_party/rust/indexmap/src/arbitrary.rs @@ -0,0 +1,75 @@ +#[cfg(feature = "arbitrary")] +mod impl_arbitrary { + use crate::{IndexMap, IndexSet}; + use arbitrary::{Arbitrary, Result, Unstructured}; + use core::hash::{BuildHasher, Hash}; + + impl<'a, K, V, S> Arbitrary<'a> for IndexMap<K, V, S> + where + K: Arbitrary<'a> + Hash + Eq, + V: Arbitrary<'a>, + S: BuildHasher + Default, + { + fn arbitrary(u: &mut Unstructured<'a>) -> Result<Self> { + u.arbitrary_iter()?.collect() + } + + fn arbitrary_take_rest(u: Unstructured<'a>) -> Result<Self> { + u.arbitrary_take_rest_iter()?.collect() + } + } + + impl<'a, T, S> Arbitrary<'a> for IndexSet<T, S> + where + T: Arbitrary<'a> + Hash + Eq, + S: BuildHasher + Default, + { + fn arbitrary(u: &mut Unstructured<'a>) -> Result<Self> { + u.arbitrary_iter()?.collect() + } + + fn arbitrary_take_rest(u: Unstructured<'a>) -> Result<Self> { + u.arbitrary_take_rest_iter()?.collect() + } + } +} + +#[cfg(feature = "quickcheck")] +mod impl_quickcheck { + use crate::{IndexMap, IndexSet}; + use alloc::boxed::Box; + use alloc::vec::Vec; + use core::hash::{BuildHasher, Hash}; + use quickcheck::{Arbitrary, Gen}; + + impl<K, V, S> Arbitrary for IndexMap<K, V, S> + where + K: Arbitrary + Hash + Eq, + V: Arbitrary, + S: BuildHasher + Default + Clone + 'static, + { + fn arbitrary(g: &mut Gen) -> Self { + Self::from_iter(Vec::arbitrary(g)) + } + + fn shrink(&self) -> Box<dyn Iterator<Item = Self>> { + let vec = Vec::from_iter(self.clone()); + Box::new(vec.shrink().map(Self::from_iter)) + } + } + + impl<T, S> Arbitrary for IndexSet<T, S> + where + T: Arbitrary + Hash + Eq, + S: BuildHasher + Default + Clone + 'static, + { + fn arbitrary(g: &mut Gen) -> Self { + Self::from_iter(Vec::arbitrary(g)) + } + + fn shrink(&self) -> Box<dyn Iterator<Item = Self>> { + let vec = Vec::from_iter(self.clone()); + Box::new(vec.shrink().map(Self::from_iter)) + } + } +} |