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//! Boolean matchers.
use crate::error::MatchError;
use crate::expectation::Expectation;
impl Expectation<bool> {
/// Asserts the value is `true`.
///
/// # Errors
///
/// Returns [`MatchError`] if the value is `false` (or `true` when negated).
///
/// # Examples
///
/// ```
/// use behave::Expectation;
///
/// let result = Expectation::new(true, "true").to_be_true();
/// assert!(result.is_ok());
/// ```
pub fn to_be_true(&self) -> Result<(), MatchError> {
self.check(*self.value(), "to be true")
}
/// Asserts the value is `false`.
///
/// # Errors
///
/// Returns [`MatchError`] if the value is `true` (or `false` when negated).
///
/// # Examples
///
/// ```
/// use behave::Expectation;
///
/// let result = Expectation::new(false, "false").to_be_false();
/// assert!(result.is_ok());
/// ```
pub fn to_be_false(&self) -> Result<(), MatchError> {
self.check(!*self.value(), "to be false")
}
}
#[cfg(test)]
mod tests {
use crate::Expectation;
#[test]
fn to_be_true_pass() {
assert!(Expectation::new(true, "t").to_be_true().is_ok());
}
#[test]
fn to_be_true_fail() {
assert!(Expectation::new(false, "f").to_be_true().is_err());
}
#[test]
fn to_be_true_negated_pass() {
assert!(Expectation::new(false, "f").negate().to_be_true().is_ok());
}
#[test]
fn to_be_true_negated_fail() {
assert!(Expectation::new(true, "t").negate().to_be_true().is_err());
}
#[test]
fn to_be_false_pass() {
assert!(Expectation::new(false, "f").to_be_false().is_ok());
}
#[test]
fn to_be_false_fail() {
assert!(Expectation::new(true, "t").to_be_false().is_err());
}
#[test]
fn to_be_false_negated_pass() {
assert!(Expectation::new(true, "t").negate().to_be_false().is_ok());
}
#[test]
fn to_be_false_negated_fail() {
assert!(Expectation::new(false, "f").negate().to_be_false().is_err());
}
}