Struct Assertion 

pub struct Assertion;

Assertion helpers for testing

Implementations

impl Assertion

pub fn equals<T: PartialEq + Debug>(expected: &T, actual: &T) -> AssertionResult

Assert two values are equal

pub fn contains(haystack: &str, needle: &str) -> AssertionResult

Assert a string contains a substring

pub fn in_range(value: f64, min: f64, max: f64) -> AssertionResult

Assert a value is in a range

pub fn is_true(condition: bool, message: &str) -> AssertionResult

Assert a condition is true

pub fn is_false(condition: bool, message: &str) -> AssertionResult

Assert a condition is false

pub fn is_some<T>(opt: &Option<T>) -> AssertionResult

Assert an Option is Some

pub fn is_none<T>(opt: &Option<T>) -> AssertionResult

Assert an Option is None

pub fn is_ok<T, E>(result: &Result<T, E>) -> AssertionResult

Assert a Result is Ok

pub fn is_err<T, E>(result: &Result<T, E>) -> AssertionResult

Assert a Result is Err

pub fn approx_eq(a: f64, b: f64, epsilon: f64) -> AssertionResult

Assert two floats are approximately equal

pub fn has_length<T>(collection: &[T], expected: usize) -> AssertionResult

Assert a collection has expected length

Trait Implementations

impl Debug for Assertion

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

Formats the value using the given formatter.