[−][src]Trait proptest::test_runner::FailurePersistence

pub trait FailurePersistence: Send + Sync + Debug {
    fn load_persisted_failures(
        &self, 
        source_file: Option<&'static str>
    ) -> Vec<[u8; 16]>;

    fn save_persisted_failure(
        &mut self, 
        source_file: Option<&'static str>, 
        seed: [u8; 16], 
        shrunken_value: &dyn Debug
    );

    fn box_clone(&self) -> Box<dyn FailurePersistence>;

    fn eq(&self, other: &dyn FailurePersistence) -> bool;

    fn as_any(&self) -> &dyn Any;
}

Provides external persistence for historical test failures by storing seeds.

Required methods

fn load_persisted_failures(
    &self,
    source_file: Option<&'static str>
) -> Vec<[u8; 16]>

Supply seeds associated with the given source_file that may be used by a TestRunner's random number generator in order to consistently recreate a previously-failing Strategy-provided value.

fn save_persisted_failure(
    &mut self,
    source_file: Option<&'static str>,
    seed: [u8; 16],
    shrunken_value: &dyn Debug
)

Store a new failure-generating seed associated with the given source_file.

fn box_clone(&self) -> Box<dyn FailurePersistence>

Delegate method for producing a trait object usable with Clone

fn eq(&self, other: &dyn FailurePersistence) -> bool

Equality testing delegate required due to constraints of trait objects.

fn as_any(&self) -> &dyn Any

Assistant method for trait object comparison.

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Trait Implementations

impl<'a, 'b> PartialEq<dyn FailurePersistence + 'b> for dyn FailurePersistence + 'a[src]

#[must_use]
fn ne(&self, other: &Rhs) -> bool
1.0.0
[src]

This method tests for !=.

Implementors

impl FailurePersistence for FileFailurePersistence[src]

impl FailurePersistence for MapFailurePersistence[src]

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