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|
struct ColorRegularStruct {
// TODO: Add the fields that the test `regular_structs` expects.
// What types should the fields have? What are the minimum and maximum values for RGB colors?
red: i32,
green: i32,
blue: i32,
}
struct ColorTupleStruct(
/* TODO: Add the fields that the test `tuple_structs` expects */
i32,
i32,
i32,
);
#[derive(Debug)]
struct UnitStruct;
fn main() {
// You can optionally experiment here.
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn regular_structs() {
// TODO: Instantiate a regular struct.
let green = ColorRegularStruct {
red: 0,
green: 255,
blue: 0,
};
assert_eq!(green.red, 0);
assert_eq!(green.green, 255);
assert_eq!(green.blue, 0);
}
#[test]
fn tuple_structs() {
// TODO: Instantiate a tuple struct.
let green = (0, 255, 0);
assert_eq!(green.0, 0);
assert_eq!(green.1, 255);
assert_eq!(green.2, 0);
}
#[test]
fn unit_structs() {
// TODO: Instantiate a unit struct.
#[derive(Debug)]
struct UnitStruct;
let message = format!("{UnitStruct:?}s are fun!");
assert_eq!(message, "UnitStructs are fun!");
}
}
|
