Struct ScenarioMutator 

pub struct ScenarioMutator<MutatorT0 = <u32 as DefaultMutate>::DefaultMutate, MutatorT1 = <u32 as DefaultMutate>::DefaultMutate, MutatorT2 = <u32 as DefaultMutate>::DefaultMutate, MutatorT3 = <CatchKind as DefaultMutate>::DefaultMutate, MutatorT4 = <Vec<u32> as DefaultMutate>::DefaultMutate, MutatorT5 = <Vec<u32> as DefaultMutate>::DefaultMutate> { /* private fields */ }

A mutator for the Scenario type.

Implementations

impl<MutatorT0, MutatorT1, MutatorT2, MutatorT3, MutatorT4, MutatorT5> ScenarioMutator<MutatorT0, MutatorT1, MutatorT2, MutatorT3, MutatorT4, MutatorT5>

pub fn new( throw_tag: MutatorT0, throw_depth: MutatorT1, catch_depth: MutatorT2, catch_kind: MutatorT3, decoy_catches: MutatorT4, decoy_catches_after: MutatorT5, ) -> Self

Construct a new ScenarioMutator < MutatorT0, MutatorT1, MutatorT2, MutatorT3, MutatorT4, MutatorT5 > instance.

Trait Implementations

impl<MutatorT0, MutatorT1, MutatorT2, MutatorT3, MutatorT4, MutatorT5> Default for ScenarioMutator<MutatorT0, MutatorT1, MutatorT2, MutatorT3, MutatorT4, MutatorT5>

where MutatorT0: Default, MutatorT1: Default, MutatorT2: Default, MutatorT3: Default, MutatorT4: Default, MutatorT5: Default,

fn default() -> Self

Returns the “default value” for a type.

impl<MutatorT0, MutatorT1, MutatorT2, MutatorT3, MutatorT4, MutatorT5> Generate<Scenario> for ScenarioMutator<MutatorT0, MutatorT1, MutatorT2, MutatorT3, MutatorT4, MutatorT5>

where MutatorT0: Mutate<u32> + Generate<u32>, MutatorT1: Mutate<u32> + Generate<u32>, MutatorT2: Mutate<u32> + Generate<u32>, MutatorT3: Mutate<CatchKind> + Generate<CatchKind>, MutatorT4: Mutate<Vec<u32>> + Generate<Vec<u32>>, MutatorT5: Mutate<Vec<u32>> + Generate<Vec<u32>>,

fn generate(&mut self, cx: &mut Context) -> Result<Scenario>

Generate a random T value from scratch.

impl<MutatorT0, MutatorT1, MutatorT2, MutatorT3, MutatorT4, MutatorT5> Mutate<Scenario> for ScenarioMutator<MutatorT0, MutatorT1, MutatorT2, MutatorT3, MutatorT4, MutatorT5>

where MutatorT0: Mutate<u32>, MutatorT1: Mutate<u32>, MutatorT2: Mutate<u32>, MutatorT3: Mutate<CatchKind>, MutatorT4: Mutate<Vec<u32>>, MutatorT5: Mutate<Vec<u32>>,

fn mutate( &mut self, mutations: &mut Candidates<'_>, value: &mut Scenario, ) -> Result<()>

Pseudo-randomly mutate the given value.

fn mutation_count(&self, value: &Scenario, shrink: bool) -> Option<u32>

Return the number of mutations that [mutate][Mutate::mutate] would register for the given value.

fn or<M>(self, other: M) -> Or<Self, M>

where Self: Sized,

Create a new mutator that performs either this mutation or the other mutation.

fn map<F>(self, f: F) -> Map<Self, F>

where Self: Sized, F: FnMut(&mut Context, &mut T) -> Result<(), Error>,

Map a function over the mutations produced by this mutator.

fn proj<F, U>(self, f: F) -> Proj<Self, F>

where Self: Sized, F: FnMut(&mut U) -> &mut T,

Given a projection function F: FnMut(&mut U) -> &mut T, turn this Mutate<T> into a Mutate<U>.

fn by_ref(&mut self) -> &mut Self

where Self: Sized,

Borrows a mutator, rather than consuming it.