Struct FailureDiagnostic 

pub struct FailureDiagnostic {
    pub category: &'static str,
    pub test_name: &'static str,
    pub input_size: usize,
    pub input_sample: String,
    pub expected_sample: String,
    pub actual_sample: String,
    pub first_diff_index: Option<usize>,
    pub diff_count: usize,
    pub error_message: String,
}

Rich failure diagnostic with context.

Fields

category: &'static str

test_name: &'static str

input_size: usize

input_sample: String

expected_sample: String

actual_sample: String

first_diff_index: Option<usize>

diff_count: usize

error_message: String

Implementations

impl FailureDiagnostic

pub fn new( category: &'static str, test_name: &'static str, input_size: usize, error_message: String, ) -> Self

Create a new failure diagnostic.

pub fn with_input_sample(self, sample: String) -> Self

Add input sample (first N elements).

pub fn with_comparison( self, expected: String, actual: String, first_diff: Option<usize>, diff_count: usize, ) -> Self

Add expected/actual samples.

pub fn report(&self) -> String

Generate human-readable failure report.

Trait Implementations

impl Clone for FailureDiagnostic

fn clone(&self) -> FailureDiagnostic

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for FailureDiagnostic

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.