servo/tests/unit/util/logical_geometry.rs
2015-06-19 00:04:24 +02:00

69 lines
2.4 KiB
Rust

/* 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 http://mozilla.org/MPL/2.0/. */
use euclid::{Size2D, Point2D, SideOffsets2D, Rect};
use util::logical_geometry::{WritingMode, LogicalSize, LogicalPoint, LogicalMargin, LogicalRect,
FLAG_RTL, FLAG_VERTICAL, FLAG_VERTICAL_LR, FLAG_SIDEWAYS_LEFT};
#[cfg(test)]
fn modes() -> [WritingMode; 10] {
[
WritingMode::empty(),
FLAG_VERTICAL,
FLAG_VERTICAL | FLAG_VERTICAL_LR,
FLAG_VERTICAL | FLAG_VERTICAL_LR | FLAG_SIDEWAYS_LEFT,
FLAG_VERTICAL | FLAG_SIDEWAYS_LEFT,
FLAG_RTL,
FLAG_VERTICAL | FLAG_RTL,
FLAG_VERTICAL | FLAG_VERTICAL_LR | FLAG_RTL,
FLAG_VERTICAL | FLAG_VERTICAL_LR | FLAG_SIDEWAYS_LEFT | FLAG_RTL,
FLAG_VERTICAL | FLAG_SIDEWAYS_LEFT | FLAG_RTL,
]
}
#[test]
fn test_size_round_trip() {
let physical = Size2D::new(1u32, 2u32);
for &mode in modes().iter() {
let logical = LogicalSize::from_physical(mode, physical);
assert!(logical.to_physical(mode) == physical);
assert!(logical.width(mode) == 1);
assert!(logical.height(mode) == 2);
}
}
#[test]
fn test_point_round_trip() {
let physical = Point2D::new(1u32, 2u32);
let container = Size2D::new(100, 200);
for &mode in modes().iter() {
let logical = LogicalPoint::from_physical(mode, physical, container);
assert!(logical.to_physical(mode, container) == physical);
assert!(logical.x(mode, container) == 1);
assert!(logical.y(mode, container) == 2);
}
}
#[test]
fn test_margin_round_trip() {
let physical = SideOffsets2D::new(1u32, 2u32, 3u32, 4u32);
for &mode in modes().iter() {
let logical = LogicalMargin::from_physical(mode, physical);
assert!(logical.to_physical(mode) == physical);
assert!(logical.top(mode) == 1);
assert!(logical.right(mode) == 2);
assert!(logical.bottom(mode) == 3);
assert!(logical.left(mode) == 4);
}
}
#[test]
fn test_rect_round_trip() {
let physical = Rect::new(Point2D::new(1u32, 2u32), Size2D::new(3u32, 4u32));
let container = Size2D::new(100, 200);
for &mode in modes().iter() {
let logical = LogicalRect::from_physical(mode, physical, container);
assert!(logical.to_physical(mode, container) == physical);
}
}