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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use script::test::srcset::{parse_a_srcset_attribute, Descriptor, ImageSource};
#[test]
fn no_value() {
let new_vec = Vec::new();
assert_eq!(parse_a_srcset_attribute(" "), new_vec);
}
#[test]
fn width_one_value() {
let first_descriptor = Descriptor {
wid: Some(320),
den: None,
};
let first_imagesource = ImageSource {
url: "small-image.jpg".to_string(),
descriptor: first_descriptor,
};
let sources = &[first_imagesource];
assert_eq!(parse_a_srcset_attribute("small-image.jpg, 320w"), sources);
}
#[test]
fn width_two_value() {
let first_descriptor = Descriptor {
wid: Some(320),
den: None,
};
let first_imagesource = ImageSource {
url: "small-image.jpg".to_string(),
descriptor: first_descriptor,
};
let second_descriptor = Descriptor {
wid: Some(480),
den: None,
};
let second_imagesource = ImageSource {
url: "medium-image.jpg".to_string(),
descriptor: second_descriptor,
};
let sources = &[first_imagesource, second_imagesource];
assert_eq!(
parse_a_srcset_attribute("small-image.jpg 320w, medium-image.jpg 480w"),
sources
);
}
#[test]
fn width_three_value() {
let first_descriptor = Descriptor {
wid: Some(320),
den: None,
};
let first_imagesource = ImageSource {
url: "smallImage.jpg".to_string(),
descriptor: first_descriptor,
};
let second_descriptor = Descriptor {
wid: Some(480),
den: None,
};
let second_imagesource = ImageSource {
url: "mediumImage.jpg".to_string(),
descriptor: second_descriptor,
};
let third_descriptor = Descriptor {
wid: Some(800),
den: None,
};
let third_imagesource = ImageSource {
url: "largeImage.jpg".to_string(),
descriptor: third_descriptor,
};
let sources = &[first_imagesource, second_imagesource, third_imagesource];
assert_eq!(
parse_a_srcset_attribute(
"smallImage.jpg 320w,
mediumImage.jpg 480w,
largeImage.jpg 800w"
),
sources
);
}
#[test]
fn density_value() {
let first_descriptor = Descriptor {
wid: None,
den: Some(1.0),
};
let first_imagesource = ImageSource {
url: "small-image.jpg".to_string(),
descriptor: first_descriptor,
};
let sources = &[first_imagesource];
assert_eq!(parse_a_srcset_attribute("small-image.jpg 1x"), sources);
}
#[test]
fn without_descriptor() {
let first_descriptor = Descriptor {
wid: None,
den: None,
};
let first_imagesource = ImageSource {
url: "small-image.jpg".to_string(),
descriptor: first_descriptor,
};
let sources = &[first_imagesource];
assert_eq!(parse_a_srcset_attribute("small-image.jpg"), sources);
}
//Does not parse an ImageSource when both width and density descriptor present
#[test]
fn two_descriptor() {
let empty_vec = Vec::new();
assert_eq!(
parse_a_srcset_attribute("small-image.jpg 320w 1.1x"),
empty_vec
);
}
#[test]
fn decimal_descriptor() {
let first_descriptor = Descriptor {
wid: None,
den: Some(2.2),
};
let first_imagesource = ImageSource {
url: "small-image.jpg".to_string(),
descriptor: first_descriptor,
};
let sources = &[first_imagesource];
assert_eq!(parse_a_srcset_attribute("small-image.jpg 2.2x"), sources);
}
#[test]
fn different_descriptor() {
let first_descriptor = Descriptor {
wid: Some(320),
den: None,
};
let first_imagesource = ImageSource {
url: "small-image.jpg".to_string(),
descriptor: first_descriptor,
};
let second_descriptor = Descriptor {
wid: None,
den: Some(2.2),
};
let second_imagesource = ImageSource {
url: "medium-image.jpg".to_string(),
descriptor: second_descriptor,
};
let sources = &[first_imagesource, second_imagesource];
assert_eq!(
parse_a_srcset_attribute("small-image.jpg 320w, medium-image.jpg 2.2x"),
sources
);
}
|
