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use obi::Image;
#[test]
fn image_indexing() {
let (width, height) = (30, 50);
let img = Image::new(width, height);
for x in 0..width {
for y in 0..height {
assert_eq!((y * width + x) as usize, img.index(x, y).unwrap());
}
}
}
#[test]
#[should_panic]
fn x_value_out_of_bounds() {
let img = Image::new(30, 50);
img.index(30, 0).unwrap();
}
#[test]
#[should_panic]
fn y_value_out_of_bounds() {
let img = Image::new(30, 50);
img.index(0, 50).unwrap();
}
#[test]
fn pixel_setter_and_getters() {
let mut img = Image::new(100, 200);
img.set(2, 3, true).unwrap();
assert!(img.get(2, 3).unwrap());
assert_eq!(1, img.data.iter().filter(|&&x| x).count());
}
#[test]
fn flip_bits() {
let (width, height) = (100, 200);
let mut img = Image::new(width, height);
img.set(2, 3, true).expect("Indexing error");
for i in 0..width {
for j in 0..height {
img.flip(i, j).unwrap();
}
}
let mut expected = Image::new_with(width, height, true);
expected.set(2, 3, false).expect("Indexing error");
assert_eq!(expected.data, img.data);
}
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