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use crate::Assert;
use std::fmt::Debug;
pub struct Less<T: PartialOrd + Debug> {
left: T,
right: T,
}
impl<T: PartialOrd + Debug> Less<T> {
pub fn new(left: T, right: T) -> Self {
Self { left, right }
}
}
impl<T: PartialOrd + Debug> Assert for Less<T> {
fn success(&self) -> bool {
self.left < self.right
}
fn error_message(&self) -> String {
"Assert `left < right` has failed with\n".to_string()
+ &format!(" left: `{:?}`\n", self.left)
+ &format!(" right: `{:?}`", self.right)
}
}
#[cfg(test)]
mod tests {
use crate::asserts::assert::Assert;
use crate::Less;
#[test]
fn test_greater() {
let assert = Less::new(7, 2);
assert!(!assert.success())
}
#[test]
fn test_equal() {
let assert = Less::new(7, 7);
assert!(!assert.success())
}
#[test]
fn test_less() {
let assert = Less::new(5, 10);
assert!(assert.success())
}
}