Enum proptest::prelude::TestCaseError[][src]

pub enum TestCaseError {
    Reject(Reason),
    Fail(Reason),
}

Errors which can be returned from test cases to indicate non-successful completion.

Note that in spite of the name, TestCaseError is currently not an instance of Error, since otherwise impl<E : Error> From<E> could not be provided.

Any Error can be converted to a TestCaseError, which places Error::display() into the Fail case.

Variants

Reject(Reason)

The input was not valid for the test case. This does not count as a test failure (nor a success); rather, it simply signals to generate a new input and try again.

Fail(Reason)

The code under test failed the test.

Implementations

impl TestCaseError[src]

pub fn reject(reason: impl Into<Reason>) -> Self[src]

Rejects the generated test input as invalid for this test case. This does not count as a test failure (nor a success); rather, it simply signals to generate a new input and try again.

The string gives the location and context of the rejection, and should be suitable for formatting like Foo did X at {whence}.

pub fn fail(reason: impl Into<Reason>) -> Self[src]

The code under test failed the test.

The string should indicate the location of the failure, but may generally be any string.

Trait Implementations

impl Clone for TestCaseError[src]

impl Debug for TestCaseError[src]

impl Display for TestCaseError[src]

Auto Trait Implementations

impl Send for TestCaseError[src]

impl Sync for TestCaseError[src]

impl Unpin for TestCaseError[src]

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized
[src]

impl<T> Borrow<T> for T where
    T: ?Sized
[src]

impl<T> BorrowMut<T> for T where
    T: ?Sized
[src]

impl<T> From<T> for T[src]

impl<T, U> Into<U> for T where
    U: From<T>, 
[src]

impl<T> ToOwned for T where
    T: Clone
[src]

type Owned = T

The resulting type after obtaining ownership.

impl<T> ToString for T where
    T: Display + ?Sized
[src]

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 
[src]

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 
[src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

impl<V, T> VZip<V> for T where
    V: MultiLane<T>,