| // Copyright 2016 Joe Wilm, The Alacritty Project Contributors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| //! Tests for the Gird |
| |
| use super::{Grid, BidirectionalIterator}; |
| use index::{Point, Line, Column}; |
| |
| // Scroll up moves lines upwards |
| #[test] |
| fn scroll_up() { |
| println!(""); |
| |
| let mut grid = Grid::new(Line(10), Column(1), 0, 0); |
| for i in 0..10 { |
| grid[Line(i)][Column(0)] = i; |
| } |
| |
| println!("grid: {:?}", grid); |
| |
| grid.scroll_up(&(Line(0)..Line(10)), Line(2), &0); |
| |
| println!("grid: {:?}", grid); |
| |
| assert_eq!(grid[Line(0)][Column(0)], 2); |
| assert_eq!(grid[Line(0)].occ, 1); |
| assert_eq!(grid[Line(1)][Column(0)], 3); |
| assert_eq!(grid[Line(1)].occ, 1); |
| assert_eq!(grid[Line(2)][Column(0)], 4); |
| assert_eq!(grid[Line(2)].occ, 1); |
| assert_eq!(grid[Line(3)][Column(0)], 5); |
| assert_eq!(grid[Line(3)].occ, 1); |
| assert_eq!(grid[Line(4)][Column(0)], 6); |
| assert_eq!(grid[Line(4)].occ, 1); |
| assert_eq!(grid[Line(5)][Column(0)], 7); |
| assert_eq!(grid[Line(5)].occ, 1); |
| assert_eq!(grid[Line(6)][Column(0)], 8); |
| assert_eq!(grid[Line(6)].occ, 1); |
| assert_eq!(grid[Line(7)][Column(0)], 9); |
| assert_eq!(grid[Line(7)].occ, 1); |
| assert_eq!(grid[Line(8)][Column(0)], 0); // was 0 |
| assert_eq!(grid[Line(8)].occ, 0); |
| assert_eq!(grid[Line(9)][Column(0)], 0); // was 1 |
| assert_eq!(grid[Line(9)].occ, 0); |
| } |
| |
| // Scroll down moves lines downwards |
| #[test] |
| fn scroll_down() { |
| println!(""); |
| |
| let mut grid = Grid::new(Line(10), Column(1), 0, 0); |
| for i in 0..10 { |
| grid[Line(i)][Column(0)] = i; |
| } |
| |
| println!("grid: {:?}", grid); |
| |
| grid.scroll_down(&(Line(0)..Line(10)), Line(2), &0); |
| |
| println!("grid: {:?}", grid); |
| |
| assert_eq!(grid[Line(0)][Column(0)], 0); // was 8 |
| assert_eq!(grid[Line(0)].occ, 0); |
| assert_eq!(grid[Line(1)][Column(0)], 0); // was 9 |
| assert_eq!(grid[Line(1)].occ, 0); |
| assert_eq!(grid[Line(2)][Column(0)], 0); |
| assert_eq!(grid[Line(2)].occ, 1); |
| assert_eq!(grid[Line(3)][Column(0)], 1); |
| assert_eq!(grid[Line(3)].occ, 1); |
| assert_eq!(grid[Line(4)][Column(0)], 2); |
| assert_eq!(grid[Line(4)].occ, 1); |
| assert_eq!(grid[Line(5)][Column(0)], 3); |
| assert_eq!(grid[Line(5)].occ, 1); |
| assert_eq!(grid[Line(6)][Column(0)], 4); |
| assert_eq!(grid[Line(6)].occ, 1); |
| assert_eq!(grid[Line(7)][Column(0)], 5); |
| assert_eq!(grid[Line(7)].occ, 1); |
| assert_eq!(grid[Line(8)][Column(0)], 6); |
| assert_eq!(grid[Line(8)].occ, 1); |
| assert_eq!(grid[Line(9)][Column(0)], 7); |
| assert_eq!(grid[Line(9)].occ, 1); |
| } |
| |
| // Test that GridIterator works |
| #[test] |
| fn test_iter() { |
| info!(""); |
| |
| let mut grid = Grid::new(Line(5), Column(5), 0, 0); |
| for i in 0..5 { |
| for j in 0..5 { |
| grid[Line(i)][Column(j)] = i*5 + j; |
| } |
| } |
| |
| info!("grid: {:?}", grid); |
| |
| let mut iter = grid.iter_from(Point { |
| line: 4, |
| col: Column(0), |
| }); |
| |
| assert_eq!(None, iter.prev()); |
| assert_eq!(Some(&1), iter.next()); |
| assert_eq!(Column(1), iter.cur.col); |
| assert_eq!(4, iter.cur.line); |
| |
| assert_eq!(Some(&2), iter.next()); |
| assert_eq!(Some(&3), iter.next()); |
| assert_eq!(Some(&4), iter.next()); |
| |
| // test linewrapping |
| assert_eq!(Some(&5), iter.next()); |
| assert_eq!(Column(0), iter.cur.col); |
| assert_eq!(3, iter.cur.line); |
| |
| assert_eq!(Some(&4), iter.prev()); |
| assert_eq!(Column(4), iter.cur.col); |
| assert_eq!(4, iter.cur.line); |
| |
| |
| // test that iter ends at end of grid |
| let mut final_iter = grid.iter_from(Point { |
| line: 0, |
| col: Column(4), |
| }); |
| assert_eq!(None, final_iter.next()); |
| assert_eq!(Some(&23), final_iter.prev()); |
| } |
