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Add unit test to EmbedderCoordinates (#32314)

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* Add unit test to EmbedderCoordinates

* Fix typo
This commit is contained in:
Ngo Iok Ui (Wu Yu Wei) 2024-05-20 16:22:17 +09:00 • committed by GitHub
parent b44d064fae
commit c2076580f3
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62
components/compositing/windowing.rs
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@ -263,3 +263,65 @@ impl EmbedderCoordinates {
self.flip_rect(&self.get_viewport())
}
}
#[cfg(test)]
mod test {
use euclid::{Point2D, Scale, Size2D};
use webrender_api::units::DeviceIntRect;
use super::EmbedderCoordinates;
#[test]
fn test() {
let pos = Point2D::new(0, 0);
let viewport = Size2D::new(800, 600);
let screen = Size2D::new(1080, 720);
let coordinates = EmbedderCoordinates {
hidpi_factor: Scale::new(1.),
screen,
screen_avail: screen,
window: (viewport, pos),
framebuffer: viewport,
viewport: DeviceIntRect::from_origin_and_size(pos, viewport),
};
// Check if viewport conversion is correct.
let viewport = DeviceIntRect::new(Point2D::new(0, 0), Point2D::new(800, 600));
assert_eq!(coordinates.get_viewport(), viewport);
assert_eq!(coordinates.get_flipped_viewport(), viewport);
// Check rects with different y positions inside the viewport.
let rect1 = DeviceIntRect::new(Point2D::new(0, 0), Point2D::new(800, 400));
let rect2 = DeviceIntRect::new(Point2D::new(0, 100), Point2D::new(800, 600));
let rect3 = DeviceIntRect::new(Point2D::new(0, 200), Point2D::new(800, 500));
assert_eq!(
coordinates.flip_rect(&rect1),
DeviceIntRect::new(Point2D::new(0, 200), Point2D::new(800, 600))
);
assert_eq!(
coordinates.flip_rect(&rect2),
DeviceIntRect::new(Point2D::new(0, 0), Point2D::new(800, 500))
);
assert_eq!(
coordinates.flip_rect(&rect3),
DeviceIntRect::new(Point2D::new(0, 100), Point2D::new(800, 400))
);
// Check rects with different x positions.
let rect1 = DeviceIntRect::new(Point2D::new(0, 0), Point2D::new(700, 400));
let rect2 = DeviceIntRect::new(Point2D::new(100, 100), Point2D::new(800, 600));
let rect3 = DeviceIntRect::new(Point2D::new(300, 200), Point2D::new(600, 500));
assert_eq!(
coordinates.flip_rect(&rect1),
DeviceIntRect::new(Point2D::new(0, 200), Point2D::new(700, 600))
);
assert_eq!(
coordinates.flip_rect(&rect2),
DeviceIntRect::new(Point2D::new(100, 0), Point2D::new(800, 500))
);
assert_eq!(
coordinates.flip_rect(&rect3),
DeviceIntRect::new(Point2D::new(300, 100), Point2D::new(600, 400))
);
}
}