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