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-rw-r--r--src/grid/tests.rs174
1 files changed, 174 insertions, 0 deletions
diff --git a/src/grid/tests.rs b/src/grid/tests.rs
index 560bb0fe..82edda69 100644
--- a/src/grid/tests.rs
+++ b/src/grid/tests.rs
@@ -16,6 +16,20 @@
use super::{Grid, BidirectionalIterator};
use crate::index::{Point, Line, Column};
+use crate::term::cell::{Cell, Flags};
+use crate::grid::GridCell;
+
+impl GridCell for usize {
+ fn is_empty(&self) -> bool {
+ false
+ }
+
+ fn is_wrap(&self) -> bool {
+ false
+ }
+
+ fn set_wrap(&mut self, _wrap: bool) {}
+}
// Scroll up moves lines upwards
#[test]
@@ -123,3 +137,163 @@ fn test_iter() {
assert_eq!(None, final_iter.next());
assert_eq!(Some(&23), final_iter.prev());
}
+
+#[test]
+fn shrink_reflow() {
+ let mut grid = Grid::new(Line(1), Column(5), 2, cell('x'));
+ grid[Line(0)][Column(0)] = cell('1');
+ grid[Line(0)][Column(1)] = cell('2');
+ grid[Line(0)][Column(2)] = cell('3');
+ grid[Line(0)][Column(3)] = cell('4');
+ grid[Line(0)][Column(4)] = cell('5');
+
+ grid.resize(Line(1), Column(2), &mut Point::new(Line(0), Column(0)), &Cell::default());
+
+ assert_eq!(grid.len(), 3);
+
+ assert_eq!(grid[2].len(), 2);
+ assert_eq!(grid[2][Column(0)], cell('1'));
+ assert_eq!(grid[2][Column(1)], wrap_cell('2'));
+
+ assert_eq!(grid[1].len(), 2);
+ assert_eq!(grid[1][Column(0)], cell('3'));
+ assert_eq!(grid[1][Column(1)], wrap_cell('4'));
+
+ assert_eq!(grid[0].len(), 2);
+ assert_eq!(grid[0][Column(0)], cell('5'));
+ assert_eq!(grid[0][Column(1)], Cell::default());
+}
+
+#[test]
+fn shrink_reflow_twice() {
+ let mut grid = Grid::new(Line(1), Column(5), 2, cell('x'));
+ grid[Line(0)][Column(0)] = cell('1');
+ grid[Line(0)][Column(1)] = cell('2');
+ grid[Line(0)][Column(2)] = cell('3');
+ grid[Line(0)][Column(3)] = cell('4');
+ grid[Line(0)][Column(4)] = cell('5');
+
+ grid.resize(Line(1), Column(4), &mut Point::new(Line(0), Column(0)), &Cell::default());
+ grid.resize(Line(1), Column(2), &mut Point::new(Line(0), Column(0)), &Cell::default());
+
+ assert_eq!(grid.len(), 3);
+
+ assert_eq!(grid[2].len(), 2);
+ assert_eq!(grid[2][Column(0)], cell('1'));
+ assert_eq!(grid[2][Column(1)], wrap_cell('2'));
+
+ assert_eq!(grid[1].len(), 2);
+ assert_eq!(grid[1][Column(0)], cell('3'));
+ assert_eq!(grid[1][Column(1)], wrap_cell('4'));
+
+ assert_eq!(grid[0].len(), 2);
+ assert_eq!(grid[0][Column(0)], cell('5'));
+ assert_eq!(grid[0][Column(1)], Cell::default());
+}
+
+#[test]
+fn shrink_reflow_empty_cell_inside_line() {
+ let mut grid = Grid::new(Line(1), Column(5), 3, cell('x'));
+ grid[Line(0)][Column(0)] = cell('1');
+ grid[Line(0)][Column(1)] = Cell::default();
+ grid[Line(0)][Column(2)] = cell('3');
+ grid[Line(0)][Column(3)] = cell('4');
+ grid[Line(0)][Column(4)] = Cell::default();
+
+ grid.resize(Line(1), Column(2), &mut Point::new(Line(0), Column(0)), &Cell::default());
+
+ assert_eq!(grid.len(), 2);
+
+ assert_eq!(grid[1].len(), 2);
+ assert_eq!(grid[1][Column(0)], cell('1'));
+ assert_eq!(grid[1][Column(1)], wrap_cell(' '));
+
+ assert_eq!(grid[0].len(), 2);
+ assert_eq!(grid[0][Column(0)], cell('3'));
+ assert_eq!(grid[0][Column(1)], cell('4'));
+
+ grid.resize(Line(1), Column(1), &mut Point::new(Line(0), Column(0)), &Cell::default());
+
+ assert_eq!(grid.len(), 4);
+
+ assert_eq!(grid[3].len(), 1);
+ assert_eq!(grid[3][Column(0)], wrap_cell('1'));
+
+ assert_eq!(grid[2].len(), 1);
+ assert_eq!(grid[2][Column(0)], wrap_cell(' '));
+
+ assert_eq!(grid[1].len(), 1);
+ assert_eq!(grid[1][Column(0)], wrap_cell('3'));
+
+ assert_eq!(grid[0].len(), 1);
+ assert_eq!(grid[0][Column(0)], cell('4'));
+}
+
+#[test]
+fn grow_reflow() {
+ let mut grid = Grid::new(Line(2), Column(2), 0, cell('x'));
+ grid[Line(0)][Column(0)] = cell('1');
+ grid[Line(0)][Column(1)] = wrap_cell('2');
+ grid[Line(1)][Column(0)] = cell('3');
+ grid[Line(1)][Column(1)] = Cell::default();
+
+ grid.resize(Line(2), Column(3), &mut Point::new(Line(0), Column(0)), &Cell::default());
+
+ assert_eq!(grid.len(), 2);
+
+ assert_eq!(grid[1].len(), 3);
+ assert_eq!(grid[1][Column(0)], cell('1'));
+ assert_eq!(grid[1][Column(1)], cell('2'));
+ assert_eq!(grid[1][Column(2)], cell('3'));
+
+ // Make sure rest of grid is empty
+ assert_eq!(grid[0].len(), 3);
+ assert_eq!(grid[0][Column(0)], Cell::default());
+ assert_eq!(grid[0][Column(1)], Cell::default());
+ assert_eq!(grid[0][Column(2)], Cell::default());
+}
+
+#[test]
+fn grow_reflow_multiline() {
+ let mut grid = Grid::new(Line(3), Column(2), 0, cell('x'));
+ grid[Line(0)][Column(0)] = cell('1');
+ grid[Line(0)][Column(1)] = wrap_cell('2');
+ grid[Line(1)][Column(0)] = cell('3');
+ grid[Line(1)][Column(1)] = wrap_cell('4');
+ grid[Line(2)][Column(0)] = cell('5');
+ grid[Line(2)][Column(1)] = cell('6');
+
+ grid.resize(Line(3), Column(6), &mut Point::new(Line(0), Column(0)), &Cell::default());
+
+ assert_eq!(grid.len(), 3);
+
+ assert_eq!(grid[2].len(), 6);
+ assert_eq!(grid[2][Column(0)], cell('1'));
+ assert_eq!(grid[2][Column(1)], cell('2'));
+ assert_eq!(grid[2][Column(2)], cell('3'));
+ assert_eq!(grid[2][Column(3)], cell('4'));
+ assert_eq!(grid[2][Column(4)], cell('5'));
+ assert_eq!(grid[2][Column(5)], cell('6'));
+
+ // Make sure rest of grid is empty
+ // https://github.com/rust-lang/rust-clippy/issues/3788
+ #[allow(clippy::needless_range_loop)]
+ for r in 0..2 {
+ assert_eq!(grid[r].len(), 6);
+ for c in 0..6 {
+ assert_eq!(grid[r][Column(c)], Cell::default());
+ }
+ }
+}
+
+fn cell(c: char) -> Cell {
+ let mut cell = Cell::default();
+ cell.c = c;
+ cell
+}
+
+fn wrap_cell(c: char) -> Cell {
+ let mut cell = cell(c);
+ cell.flags.insert(Flags::WRAPLINE);
+ cell
+}
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