This crate provides an unique macro to write more explicit tests.
First, add dependency
[dev-dependencies]
doubts="0.1.0"Then declare the use of this crate:
#[macro_use]
#[cfg(test)]
extern crate doubts;Finally, write tests:
#[cfg(test)]
mod tests {
#[test]
fn test() {
let v = vec![1, 2];
assert_that!(v, has len == 2);
assert_that!(v, has capacity == 2);
assert_that!(v, contains &2);
}
}