Struct TestMetrics 

pub struct TestMetrics {
    pub name: String,
    pub timings_ns: Vec<u64>,
    pub op_counts: HashMap<String, u64>,
    pub custom_metrics: HashMap<String, f64>,
    pub memory_samples: Vec<usize>,
    pub error_count: u64,
    pub warning_count: u64,
    /* private fields */
}

Granular performance metrics for test operations.

Fields

name: String

Operation name for reporting

timings_ns: Vec<u64>

Individual timing samples (nanoseconds)

op_counts: HashMap<String, u64>

Operation counts by category

custom_metrics: HashMap<String, f64>

Custom numeric metrics

memory_samples: Vec<usize>

Memory snapshots (bytes)

error_count: u64

Error/warning counts

warning_count: u64

Implementations

impl TestMetrics

pub fn new(name: &str) -> Self

Create new metrics collector for named operation.

pub fn start_timing(&mut self)

Start timing measurement.

pub fn stop_timing(&mut self)

Stop timing and record sample.

pub fn time_operation<F, R>(&mut self, f: F) -> R

where F: FnOnce() -> R,

Record a timed operation with closure.

pub fn inc_op(&mut self, category: &str)

Increment operation counter.

pub fn record_operation(&mut self, count: u64)

Record operation count.

pub fn record_metric(&mut self, name: &str, value: f64)

Record custom metric.

pub fn record_memory(&mut self, bytes: usize)

Record memory usage.

pub fn record_error(&mut self)

Record an error.

pub fn record_warning(&mut self)

Record a warning.

pub fn timing_stats(&self) -> TimingStats

Get timing statistics.

pub fn summary(&self) -> String

Generate summary report.

pub fn reset(&mut self)

Reset all metrics (useful for reusing the same collector).

Trait Implementations

impl Clone for TestMetrics

fn clone(&self) -> TestMetrics

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TestMetrics

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

Formats the value using the given formatter.