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use crate::validation::Validator;
pub fn validate_range(range: Validator, val: f64) -> bool {
match range {
Validator::Range { min, max } => {
if let Some(m) = min {
if val < m {
return false;
}
}
if let Some(m) = max {
if val > m {
return false;
}
}
true
}
_ => unreachable!(),
}
}
#[cfg(test)]
mod tests {
use super::{validate_range, Validator};
#[test]
fn test_validate_range_ok() {
let validator = Validator::Range { min: Some(0.0), max: Some(10.0) };
assert_eq!(validate_range(validator, 1 as f64), true);
}
#[test]
fn test_validate_range_fail() {
let validator = Validator::Range { min: Some(0.0), max: Some(10.0) };
assert_eq!(validate_range(validator, 20 as f64), false);
}
#[test]
fn test_validate_range_min_only_valid() {
let validator = Validator::Range { min: Some(10.0), max: None };
assert_eq!(validate_range(validator, 10.0), true);
}
#[test]
fn test_validate_range_min_only_invalid() {
let validator = Validator::Range { min: Some(10.0), max: None };
assert_eq!(validate_range(validator, 9.0), false);
}
#[test]
fn test_validate_range_max_only_valid() {
let validator = Validator::Range { min: None, max: Some(10.0) };
assert_eq!(validate_range(validator, 10.0), true);
}
#[test]
fn test_validate_range_max_only_invalid() {
let validator = Validator::Range { min: None, max: Some(10.0) };
assert_eq!(validate_range(validator, 11.0), false);
}
}