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authorAram Drevekenin <aram@poor.dev>2021-04-29 15:25:08 +0200
committerGitHub <noreply@github.com>2021-04-29 15:25:08 +0200
commitcedd830a2e106d968a8fc07404dd4e14b300864e (patch)
tree386d9c5c2424046fa784905b1ecc42e2082a4f3e
parentchore(changelog): added the ability to synchronize input sent to panes (diff)
downloadsl0ppij-cedd830a2e106d968a8fc07404dd4e14b300864e.tar.gz
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Terminal: pass vttest 1 (#408)
* fix(compatibility): pass vttest 1 * fix(tests): move unit tests to a separate file * style(fmt): rustfmt * fix(grid): correct comment * style(fmt): rustfmt
Diffstat
-rw-r--r--src/client/panes/grid.rs125
-rw-r--r--src/client/panes/unit/grid_tests.rs85
-rw-r--r--src/client/panes/unit/snapshots/zellij__client__panes__grid__grid_tests__vttest1_0.snap47
-rw-r--r--src/client/panes/unit/snapshots/zellij__client__panes__grid__grid_tests__vttest1_1.snap47
-rw-r--r--src/client/panes/unit/snapshots/zellij__client__panes__grid__grid_tests__vttest1_2.snap47
-rw-r--r--src/client/panes/unit/snapshots/zellij__client__panes__grid__grid_tests__vttest1_3.snap47
-rw-r--r--src/client/panes/unit/snapshots/zellij__client__panes__grid__grid_tests__vttest1_4.snap47
-rw-r--r--src/client/panes/unit/snapshots/zellij__client__panes__grid__grid_tests__vttest1_5.snap47
-rw-r--r--src/tests/fixtures/vttest1-034
-rw-r--r--src/tests/fixtures/vttest1-148
-rw-r--r--src/tests/fixtures/vttest1-276
-rw-r--r--src/tests/fixtures/vttest1-3137
-rw-r--r--src/tests/fixtures/vttest1-4112
-rw-r--r--src/tests/fixtures/vttest1-5113
14 files changed, 985 insertions, 27 deletions
diff --git a/src/client/panes/grid.rs b/src/client/panes/grid.rs
index c6dd201e..f2bedbce 100644
--- a/src/client/panes/grid.rs
+++ b/src/client/panes/grid.rs
@@ -161,6 +161,7 @@ pub struct Grid {
pending_styles: CharacterStyles,
pub should_render: bool,
pub cursor_key_mode: bool, // DECCKM - when set, cursor keys should send ANSI direction codes (eg. "OD") instead of the arrow keys (eg. "")
+ pub erasure_mode: bool, // ERM
pub clear_viewport_before_rendering: bool,
pub width: usize,
pub height: usize,
@@ -170,9 +171,9 @@ impl Debug for Grid {
fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
for (i, row) in self.viewport.iter().enumerate() {
if row.is_canonical {
- writeln!(f, "{:?} (C): {:?}", i, row)?;
+ writeln!(f, "{:02?} (C): {:?}", i, row)?;
} else {
- writeln!(f, "{:?} (W): {:?}", i, row)?;
+ writeln!(f, "{:02?} (W): {:?}", i, row)?;
}
}
Ok(())
@@ -192,20 +193,20 @@ impl Grid {
pending_styles: CharacterStyles::new(),
should_render: true,
cursor_key_mode: false,
+ erasure_mode: false,
alternative_lines_above_viewport_and_cursor: None,
clear_viewport_before_rendering: false,
}
}
pub fn advance_to_next_tabstop(&mut self, styles: CharacterStyles) {
let columns_until_next_tabstop = TABSTOP_WIDTH - (self.cursor.x % TABSTOP_WIDTH);
- let columns_until_screen_end = self.width - self.cursor.x;
+ let columns_until_screen_end = (self.width - self.cursor.x).saturating_sub(1);
let columns_to_advance =
std::cmp::min(columns_until_next_tabstop, columns_until_screen_end);
let mut empty_character = EMPTY_TERMINAL_CHARACTER;
empty_character.styles = styles;
- for _ in 0..columns_to_advance {
- self.add_character(empty_character)
- }
+ self.cursor.x += columns_to_advance;
+ self.pad_current_line_until(self.cursor.x);
}
fn cursor_canonical_line_index(&self) -> usize {
let mut cursor_canonical_line_index = 0;
@@ -475,6 +476,13 @@ impl Grid {
}
}
}
+ pub fn fill_viewport(&mut self, character: TerminalCharacter) {
+ self.viewport.clear();
+ for _ in 0..self.height {
+ let columns = vec![character; self.width];
+ self.viewport.push(Row::from_columns(columns).canonical());
+ }
+ }
pub fn add_canonical_line(&mut self) {
if let Some((scroll_region_top, scroll_region_bottom)) = self.scroll_region {
if self.cursor.y == scroll_region_bottom {
@@ -490,8 +498,12 @@ impl Grid {
}
self.viewport.remove(scroll_region_top);
let columns = vec![EMPTY_TERMINAL_CHARACTER; self.width];
- self.viewport
- .insert(scroll_region_bottom, Row::from_columns(columns).canonical());
+ if self.viewport.len() >= scroll_region_bottom {
+ self.viewport
+ .insert(scroll_region_bottom, Row::from_columns(columns).canonical());
+ } else {
+ self.viewport.push(Row::from_columns(columns).canonical());
+ }
return;
}
}
@@ -518,13 +530,6 @@ impl Grid {
pub fn move_cursor_to_beginning_of_line(&mut self) {
self.cursor.x = 0;
}
- pub fn move_cursor_backwards(&mut self, count: usize) {
- if self.cursor.x > count {
- self.cursor.x -= count;
- } else {
- self.cursor.x = 0;
- }
- }
pub fn insert_character_at_cursor_position(&mut self, terminal_character: TerminalCharacter) {
match self.viewport.get_mut(self.cursor.y) {
Some(row) => {
@@ -601,17 +606,13 @@ impl Grid {
}
}
pub fn replace_characters_in_line_before_cursor(&mut self, replace_with: TerminalCharacter) {
- let line_part = vec![replace_with; self.cursor.x];
+ let line_part = vec![replace_with; self.cursor.x + 1];
let row = self.viewport.get_mut(self.cursor.y).unwrap();
row.replace_beginning_with(line_part);
}
pub fn clear_all_after_cursor(&mut self, replace_with: TerminalCharacter) {
if let Some(cursor_row) = self.viewport.get_mut(self.cursor.y).as_mut() {
cursor_row.truncate(self.cursor.x);
- let mut replace_with_columns_in_cursor_row =
- vec![replace_with; self.width - self.cursor.x];
- cursor_row.append(&mut replace_with_columns_in_cursor_row);
-
let replace_with_columns = vec![replace_with; self.width];
self.replace_characters_in_line_after_cursor(replace_with);
for row in self.viewport.iter_mut().skip(self.cursor.y + 1) {
@@ -619,6 +620,15 @@ impl Grid {
}
}
}
+ pub fn clear_all_before_cursor(&mut self, replace_with: TerminalCharacter) {
+ if let Some(cursor_row) = self.viewport.get_mut(self.cursor.y).as_mut() {
+ self.replace_characters_in_line_before_cursor(replace_with);
+ let replace_with_columns = vec![replace_with; self.width];
+ for row in self.viewport.iter_mut().take(self.cursor.y) {
+ row.replace_columns(replace_with_columns.clone());
+ }
+ }
+ }
pub fn clear_cursor_line(&mut self) {
self.viewport.get_mut(self.cursor.y).unwrap().truncate(0);
}
@@ -642,10 +652,25 @@ impl Grid {
}
}
pub fn move_cursor_to(&mut self, x: usize, y: usize, pad_character: TerminalCharacter) {
- self.cursor.x = std::cmp::min(self.width - 1, x);
- self.cursor.y = std::cmp::min(self.height - 1, y);
- self.pad_lines_until(self.cursor.y, pad_character);
- self.pad_current_line_until(self.cursor.x);
+ match self.scroll_region {
+ Some((scroll_region_top, scroll_region_bottom)) => {
+ self.cursor.x = std::cmp::min(self.width - 1, x);
+ let y_offset = if self.erasure_mode {
+ scroll_region_top
+ } else {
+ 0
+ };
+ self.cursor.y = std::cmp::min(scroll_region_bottom, y + y_offset);
+ self.pad_lines_until(self.cursor.y, pad_character);
+ self.pad_current_line_until(self.cursor.x);
+ }
+ None => {
+ self.cursor.x = std::cmp::min(self.width - 1, x);
+ self.cursor.y = std::cmp::min(self.height - 1, y);
+ self.pad_lines_until(self.cursor.y, pad_character);
+ self.pad_current_line_until(self.cursor.x);
+ }
+ }
}
pub fn move_cursor_up(&mut self, count: usize) {
self.cursor.y = if self.cursor.y < count {
@@ -690,6 +715,10 @@ impl Grid {
self.pad_lines_until(self.cursor.y, pad_character);
}
pub fn move_cursor_back(&mut self, count: usize) {
+ if self.cursor.x == self.width {
+ // on the rightmost screen edge, backspace skips one character
+ self.cursor.x -= 1;
+ }
if self.cursor.x < count {
self.cursor.x = 0;
} else {
@@ -827,14 +856,15 @@ impl vte::Perform for Grid {
match byte {
8 => {
// backspace
- self.move_cursor_backwards(1);
+ self.move_cursor_back(1);
}
9 => {
// tab
self.advance_to_next_tabstop(self.pending_styles);
}
- 10 => {
+ 10 | 11 => {
// 0a, newline
+ // 0b, form-feed
self.add_newline();
}
13 => {
@@ -891,11 +921,13 @@ impl vte::Perform for Grid {
char_to_replace.styles = self.pending_styles;
if params[0] == 0 {
self.clear_all_after_cursor(char_to_replace);
+ } else if params[0] == 1 {
+ self.clear_all_before_cursor(char_to_replace);
} else if params[0] == 2 {
self.clear_all(char_to_replace);
}
// TODO: implement 1
- } else if c == 'H' {
+ } else if c == 'H' || c == 'f' {
// goto row/col
// we subtract 1 from the row/column because these are 1 indexed
// (except when they are 0, in which case they should be 1
@@ -963,6 +995,16 @@ impl vte::Perform for Grid {
Some(&1) => {
self.cursor_key_mode = false;
}
+ Some(&3) => {
+ // DECCOLM - only side effects
+ self.scroll_region = None;
+ self.clear_all(EMPTY_TERMINAL_CHARACTER);
+ self.cursor.x = 0;
+ self.cursor.y = 0;
+ }
+ Some(&6) => {
+ self.erasure_mode = false;
+ }
_ => {}
};
}
@@ -993,6 +1035,16 @@ impl vte::Perform for Grid {
Some(&1) => {
self.cursor_key_mode = true;
}
+ Some(&3) => {
+ // DECCOLM - only side effects
+ self.scroll_region = None;
+ self.clear_all(EMPTY_TERMINAL_CHARACTER);
+ self.cursor.x = 0;
+ self.cursor.y = 0;
+ }
+ Some(&6) => {
+ self.erasure_mode = true;
+ }
_ => {}
};
}
@@ -1098,12 +1150,27 @@ impl vte::Perform for Grid {
fn esc_dispatch(&mut self, intermediates: &[u8], _ignore: bool, byte: u8) {
match (byte, intermediates.get(0)) {
+ (b'D', None) => {
+ self.add_newline();
+ }
+ (b'E', None) => {
+ self.add_newline();
+ self.move_cursor_to_beginning_of_line();
+ }
(b'M', None) => {
self.move_cursor_up_with_scrolling(1);
}
(b'c', None) => {
self.reset_terminal_state();
}
+ (b'H', None) => {
+ self.advance_to_next_tabstop(self.pending_styles);
+ }
+ (b'8', Some(b'#')) => {
+ let mut fill_character = EMPTY_TERMINAL_CHARACTER;
+ fill_character.character = 'E';
+ self.fill_viewport(fill_character);
+ }
_ => {}
}
}
@@ -1254,3 +1321,7 @@ impl Cursor {
}
}
}
+
+#[cfg(test)]
+#[path = "./unit/grid_tests.rs"]
+mod grid_tests;
diff --git a/src/client/panes/unit/grid_tests.rs b/src/client/panes/unit/grid_tests.rs
new file mode 100644
index 00000000..92f5fbdf
--- /dev/null
+++ b/src/client/panes/unit/grid_tests.rs
@@ -0,0 +1,85 @@
+use super::super::Grid;
+use ::insta::assert_snapshot;
+
+fn read_fixture(fixture_name: &str) -> Vec<u8> {
+ let mut path_to_file = std::path::PathBuf::new();
+ path_to_file.push("src");
+ path_to_file.push("tests");
+ path_to_file.push("fixtures");
+ path_to_file.push(fixture_name);
+ let content = std::fs::read(path_to_file)
+ .unwrap_or_else(|_| panic!("could not read fixture {:?}", &fixture_name));
+ content
+}
+
+#[test]
+fn vttest1_0() {
+ let mut vte_parser = vte::Parser::new();
+ let mut grid = Grid::new(41, 110);
+ let fixture_name = "vttest1-0";
+ let content = read_fixture(fixture_name);
+ for byte in content {
+ vte_parser.advance(&mut grid, byte);
+ }
+ assert_snapshot!(format!("{:?}", grid));
+}
+
+#[test]
+fn vttest1_1() {
+ let mut vte_parser = vte::Parser::new();
+ let mut grid = Grid::new(41, 110);
+ let fixture_name = "vttest1-1";
+ let content = read_fixture(fixture_name);
+ for byte in content {
+ vte_parser.advance(&mut grid, byte);
+ }
+ assert_snapshot!(format!("{:?}", grid));
+}
+
+#[test]
+fn vttest1_2() {
+ let mut vte_parser = vte::Parser::new();
+ let mut grid = Grid::new(41, 110);
+ let fixture_name = "vttest1-2";
+ let content = read_fixture(fixture_name);
+ for byte in content {
+ vte_parser.advance(&mut grid, byte);
+ }
+ assert_snapshot!(format!("{:?}", grid));
+}
+
+#[test]
+fn vttest1_3() {
+ let mut vte_parser = vte::Parser::new();
+ let mut grid = Grid::new(41, 110);
+ let fixture_name = "vttest1-3";
+ let content = read_fixture(fixture_name);
+ for byte in content {
+ vte_parser.advance(&mut grid, byte);
+ }
+ assert_snapshot!(format!("{:?}", grid));
+}
+
+#[test]
+fn vttest1_4() {
+ let mut vte_parser = vte::Parser::new();
+ let mut grid = Grid::new(41, 110);
+ let fixture_name = "vttest1-4";
+ let content = read_fixture(fixture_name);
+ for byte in content {
+ vte_parser.advance(&mut grid, byte);
+ }
+ assert_snapshot!(format!("{:?}", grid));
+}
+
+#[test]
+fn vttest1_5() {
+ let mut vte_parser = vte::Parser::new();
+ let mut grid = Grid::new(41, 110);
+ let fixture_name = "vttest1-5";
+ let content = read_fixture(fixture_name);
+ for byte in content {
+ vte_parser.advance(&mut grid, byte);
+ }
+ assert_snapshot!(format!("{:?}", grid));
+}
diff --git a/src/client/panes/unit/snapshots/zellij__client__panes__grid__grid_tests__vttest1_0.snap b/src/client/panes/unit/snapshots/zellij__client__panes__grid__grid_tests__vttest1_0.snap
new file mode 100644
index 00000000..8641098c
--- /dev/null
+++ b/src/client/panes/unit/snapshots/zellij__client__panes__grid__grid_tests__vttest1_0.snap
@@ -0,0 +1,47 @@
+---
+source: src/client/panes/grid.rs
+expression: "format!(\"{:?}\", grid)"
+
+---
+00 (C): ********************************************************************************
+01 (C): *++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*
+02 (C): *+ +*
+03 (C): *+ +*
+04 (C): *+ +*
+05 (C): *+ +*
+06 (C): *+ +*
+07 (C): *+ +*
+08 (C): *+ EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE +*
+09 (C): *+ E E +*
+10 (C): *+ E The screen should be cleared, and have an unbroken bor- E +*
+11 (C): *+ E der of *'s and +'s around the edge, and exactly in the E +*
+12 (C): *+ E middle there should be a frame of E's around this text E +*
+13 (C): *+ E with one (1) free position around it. Push <RETURN> E +*
+14 (C): *+ E E +*
+15 (C): *+ EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE +*
+16 (C): *+ +*
+17 (C): *+ +*
+18 (C): *+ +*
+19 (C): *+ +*
+20 (C): *+ +*
+21 (C): *+ +*
+22 (C): *+ ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+23 (C): ********************************************************************************
+24 (C):
+25 (C):
+26 (C):
+27 (C):
+28 (C):
+29 (C):
+30 (C):
+31 (C):
+32 (C):
+33 (C):
+34 (C):
+35 (C):
+36 (C):
+37 (C):
+38 (C):
+39 (C):
+40 (C):
+
diff --git a/src/client/panes/unit/snapshots/zellij__client__panes__grid__grid_tests__vttest1_1.snap b/src/client/panes/unit/snapshots/zellij__client__panes__grid__grid_tests__vttest1_1.snap
new file mode 100644
index 00000000..09663484
--- /dev/null
+++ b/src/client/panes/unit/snapshots/zellij__client__panes__grid__grid_tests__vttest1_1.snap
@@ -0,0 +1,47 @@
+---
+source: src/client/panes/grid.rs
+expression: "format!(\"{:?}\", grid)"
+
+---
+00 (C): **************************************************************************************************************
+01 (C): *++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*
+02 (C): *+ +*
+03 (C): *+ +*
+04 (C): *+ +*
+05 (C): *+ +*
+06 (C): *+ +*
+07 (C): *+ +*
+08 (C): *+ EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE +*
+09 (C): *+ E E +*
+10 (C): *+ E The screen should be cleared, and have an unbroken bor- E +*
+11 (C): *+ E der of *'s and +'s around the edge, and exactly in the E +*
+12 (C): *+ E middle there should be a frame of E's around this text E +*
+13 (C): *+ E with one (1) free position around it. Push <RETURN> E +*
+14 (C): *+ E E +*
+15 (C): *+ EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE +*
+16 (C): *+ +*
+17 (C): *+ +*
+18 (C): *+ +*
+19 (C): *+ +*
+20 (C): *+ +*
+21 (C): *+ +*
+22 (C): ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ *
+23 (C): **************************************************************************************************************
+24 (C):
+25 (C):
+26 (C):
+27 (C):
+28 (C):
+29 (C):
+30 (C):
+31 (C):
+32 (C):
+33 (C):
+34 (C):
+35 (C):
+36 (C):
+37 (C):
+38 (C):
+39 (C):
+40 (C):
+
diff --git a/src/client/panes/unit/snapshots/zellij__client__panes__grid__grid_tests__vttest1_2.snap b/src/client/panes/unit/snapshots/zellij__client__panes__grid__grid_tests__vttest1_2.snap
new file mode 100644
index 00000000..05d80b1d
--- /dev/null
+++ b/src/client/panes/unit/snapshots/zellij__client__panes__grid__grid_tests__vttest1_2.snap
@@ -0,0 +1,47 @@
+---
+source: src/client/panes/grid.rs
+expression: "format!(\"{:?}\", grid)"
+
+---
+00 (C): Test of autowrap, mixing control and print characters.
+01 (C): The left/right margins should have letters in order:
+02 (C): I iJ
+03 (C): j
+04 (C): K K k
+05 (C): L l
+06 (C): M mN
+07 (C): n
+08 (C): O O o
+09 (C): P p
+10 (C): Q qR
+11 (C): r
+12 (C): S S s
+13 (C): T t
+14 (C): U uV
+15 (C): v
+16 (C): W W w
+17 (C): X x
+18 (C): Y yZ
+19 (C): z
+20 (C):
+21 (C): Push <RETURN>
+22 (C):
+23 (C):
+24 (C):
+25 (C):
+26 (C):
+27 (C):
+28 (C):
+29 (C):
+30 (C):
+31 (C):
+32 (C):
+33 (C):
+34 (C):
+35 (C):
+36 (C):
+37 (C):
+38 (C):
+39 (C):
+40 (C):
+
diff --git a/src/client/panes/unit/snapshots/zellij__client__panes__grid__grid_tests__vttest1_3.snap b/src/client/panes/unit/snapshots/zellij__client__panes__grid__grid_tests__vttest1_3.snap
new file mode 100644
index 00000000..64c3e7b9
--- /dev/null
+++ b/src/client/panes/unit/snapshots/zellij__client__panes__grid__grid_tests__vttest1_3.snap
@@ -0,0 +1,47 @@
+---
+source: src/client/panes/grid.rs
+expression: "format!(\"{:?}\", grid)"
+
+---
+00 (C): Test of autowrap, mixing control and print characters.
+01 (C): The left/right margins should have letters in order:
+02 (C): I i
+03 (C): J j
+04 (C): K k
+05 (C): L l
+06 (C): M m
+07 (C): N n
+08 (C): O o
+09 (C): P p
+10 (C): Q q
+11 (C): R r
+12 (C): S s
+13 (C): T t
+14 (C): U u
+15 (C): V v
+16 (C): W w
+17 (C): X x
+18 (C): Y y
+19 (C): Z z
+20 (C):
+21 (C): Push <RETURN>
+22 (C):
+23 (C):
+24 (C):
+25 (C):
+26 (C):
+27 (C):
+28 (C):
+29 (C):
+30 (C):
+31 (C):
+32 (C):
+33 (C):
+34 (C):
+35 (C):
+36 (C):
+37 (C):
+38 (C):
+39 (C):
+40 (C):
+
diff --git a/src/client/panes/unit/snapshots/zellij__client__panes__grid__grid_tests__vttest1_4.snap b/src/client/panes/unit/snapshots/zellij__client__panes__grid__grid_tests__vttest1_4.snap
new file mode 100644
index 00000000..dcb417ae
--- /dev/null
+++ b/src/client/panes/unit/snapshots/zellij__client__panes__grid__grid_tests__vttest1_4.snap
@@ -0,0 +1,47 @@
+---
+source: src/client/panes/grid.rs
+expression: "format!(\"{:?}\", grid)"
+
+---
+00 (C): Test of cursor-control characters inside ESC sequences.
+01 (C): Below should be four identical lines:
+02 (C):
+03 (C): A B C D E F G H I
+04 (C): A B C D E F G H I
+05 (C): A B C D E F G H I
+06 (C): A B C D E F G H I
+07 (C):
+08 (C): Push <RETURN>
+09 (C):
+10 (C):
+11 (C):
+12 (C):
+13 (C):
+14 (C):
+15 (C):
+16 (C):
+17 (C):
+18 (C):
+19 (C):
+20 (C):
+21 (C):
+22 (C):
+23 (C):
+24 (C):
+25 (C):
+26 (C):
+27 (C):
+28 (C):
+29 (C):
+30 (C):
+31 (C):
+32 (C):
+33 (C):
+34 (C):
+35 (C):
+36 (C):
+37 (C):
+38 (C):
+39 (C):
+40 (C):
+
diff --git a/src/client/panes/unit/snapshots/zellij__client__panes__grid__grid_tests__vttest1_5.snap b/src/client/panes/unit/snapshots/zellij__client__panes__grid__grid_tests__vttest1_5.snap
new file mode 100644
index 00000000..d044691c
--- /dev/null
+++ b/src/client/panes/unit/snapshots/zellij__client__panes__grid__grid_tests__vttest1_5.snap
@@ -0,0 +1,47 @@
+---
+source: src/client/panes/grid.rs
+expression: "format!(\"{:?}\", grid)"
+
+---
+00 (C): Test of leading zeros in ESC sequences.
+01 (C): Two lines below you should see the sentence "This is a correct sentence".
+02 (C):
+03 (C): This is a correct sentence
+04 (C):
+05 (C):
+06 (C):
+07 (C):
+08 (C):
+09 (C):
+10 (C):
+11 (C):
+12 (C):
+13 (C):
+14 (C):
+15 (C):
+16 (C):
+17 (C):
+18 (C):
+19 (C): Push <RETURN>
+20 (C):
+21 (C):
+22 (C):
+23 (C):
+24 (C):
+25 (C):
+26 (C):
+27 (C):
+28 (C):
+29 (C):
+30 (C):
+31 (C):
+32 (C):
+33 (C):
+34 (C):
+35 (C):
+36 (C):
+37 (C):
+38 (C):
+39 (C):
+40 (C):
+
diff --git a/src/tests/fixtures/vttest1-0 b/src/tests/fixtures/vttest1-0
new file mode 100644
index 00000000..985fb2a2
--- /dev/null
+++ b/src/tests/fixtures/vttest1-0
@@ -0,0 +1,34 @@
+⏎(B ⏎ Welcome to fish, the friendly interactive shell
+[?2004h]0;fish /home/aram/code/zellij(B⋊>(B ~/c/zellij(B on vttest-1(B ⨯ 11:25:27(B   v11:25:27(B  v(B11:25:27(B  ttest(B11:25:27(B  ttest(B11:25:27(B  test(B11:25:27(B  est(B11:25:27(B  st(B11:25:27(B  t(B11:25:27(B  vttest(B11:25:27(B  11:25:27(B  
+(B[?2004l]0;vttest /home/aram/code/zellij(B [?1l[?3l[?4l[?5l[?6l[?7h[?8l[?40h[?45lVT100 test program, version 2.7 (20210210)Line speed 38400bd Choose test type:
+
+ 0. Exit
+ 1. Test of cursor movements
+ 2. Test of screen features
+ 3. Test of character sets
+ 4. Test of double-sized characters
+ 5. Test of keyboard
+ 6. Test of terminal reports
+ 7. Test of VT52 mode
+ 8. Test of VT102 features (Insert/Delete Char/Line)
+ 9. Test of known bugs
+ 10. Test of reset and self-test
+ 11. Test non-VT100 (e.g., VT220, XTERM) terminals
+ 12. Modify test-parameters
+
+ Enter choice number (0 - 12): 1
+[?3l#8****************************************************************************************************************************************************************+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M**E**E**E**E**E**E**E**E**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++      The screen should be cleared, and have an unbroken bor-der of *'s and +'s around the edge, and exactly in themiddle there should be a frame of E's around this textwith one (1) free position around it. Push <RETURN> \ No newline at end of file
diff --git a/src/tests/fixtures/vttest1-1 b/src/tests/fixtures/vttest1-1
new file mode 100644
index 00000000..4068a89b
--- /dev/null
+++ b/src/tests/fixtures/vttest1-1
@@ -0,0 +1,48 @@
+⏎(B ⏎ Welcome to fish, the friendly interactive shell
+[?2004h]0;fish /home/aram/code/zellij(B⋊>(B ~/c/zellij(B on vttest-1(B ⨯ 11:04:45(B   v11:04:45(B  v(B11:04:45(B  ttest(B11:04:45(B  ttest(B11:04:45(B  test(B11:04:45(B  est(B11:04:45(B  st(B11:04:45(B  t(B11:04:45(B  vttest(B11:04:45(B  11:04:45(B  
+(B[?2004l]0;vttest /home/aram/code/zellij(B [?1l[?3l[?4l[?5l[?6l[?7h[?8l[?40h[?45lVT100 test program, version 2.7 (20210210)Line speed 38400bd Choose test type:
+
+ 0. Exit
+ 1. Test of cursor movements
+ 2. Test of screen features
+ 3. Test of character sets
+ 4. Test of double-sized characters
+ 5. Test of keyboard
+ 6. Test of terminal reports
+ 7. Test of VT52 mode
+ 8. Test of VT102 features (Insert/Delete Char/Line)
+ 9. Test of known bugs
+ 10. Test of reset and self-test
+ 11. Test non-VT100 (e.g., VT220, XTERM) terminals
+ 12. Modify test-parameters
+
+ Enter choice number (0 - 12): 1
+[?3l#8****************************************************************************************************************************************************************+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M**E**E**E**E**E**E**E**E**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++      The screen should be cleared, and have an unbroken bor-der of *'s and +'s around the edge, and exactly in themiddle there should be a frame of E's around this textwith one (1) free position around it. Push <RETURN>[?3h#8************************************************************************************************************************************************************************************************************************************************************************+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M**E**E**E**E**E**E**E**E**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++      The screen should be cleared, and have an unbroken bor-der of *'s and +'s around the edge, and exactly in themiddle there should be a frame of E's around this textwith one (1) free position around it. Push <RETURN> \ No newline at end of file
diff --git a/src/tests/fixtures/vttest1-2 b/src/tests/fixtures/vttest1-2
new file mode 100644
index 00000000..5f8b9e15
--- /dev/null
+++ b/src/tests/fixtures/vttest1-2
@@ -0,0 +1,76 @@
+⏎(B ⏎ Welcome to fish, the friendly interactive shell
+[?2004h]0;fish /home/aram/code/zellij(B⋊>(B ~/c/zellij(B on vttest-1(B ⨯ 11:23:05(B   v11:23:05(B  v(B11:23:05(B  ttest(B11:23:05(B  ttest(B11:23:05(B  test(B11:23:05(B  est(B11:23:05(B  st(B11:23:05(B  t(B11:23:05(B  vttest(B11:23:05(B  11:23:05(B  
+(B[?2004l]0;vttest /home/aram/code/zellij(B [?1l[?3l[?4l[?5l[?6l[?7h[?8l[?40h[?45lVT100 test program, version 2.7 (20210210)Line speed 38400bd Choose test type:
+
+ 0. Exit
+ 1. Test of cursor movements
+ 2. Test of screen features
+ 3. Test of character sets
+ 4. Test of double-sized characters
+ 5. Test of keyboard
+ 6. Test of terminal reports
+ 7. Test of VT52 mode
+ 8. Test of VT102 features (Insert/Delete Char/Line)
+ 9. Test of known bugs
+ 10. Test of reset and self-test
+ 11. Test non-VT100 (e.g., VT220, XTERM) terminals
+ 12. Modify test-parameters
+
+ Enter choice number (0 - 12): 1
+[?3l#8****************************************************************************************************************************************************************+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M**E**E**E**E**E**E**E**E**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++      The screen should be cleared, and have an unbroken bor-der of *'s and +'s around the edge, and exactly in themiddle there should be a frame of E's around this textwith one (1) free position around it. Push <RETURN>[?3h#8************************************************************************************************************************************************************************************************************************************************************************+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M**E**E**E**E**E**E**E**E**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++      The screen should be cleared, and have an unbroken bor-der of *'s and +'s around the edge, and exactly in themiddle there should be a frame of E's around this textwith one (1) free position around it. Push <RETURN>[?3l[?3lTest of autowrap, mixing control and print characters.
+The left/right margins should have letters in order:
+[?6hAa
+aBB b
+C cC
+
+DdEe
+eFF f
+G gG
+
+HhIi
+iJJ j
+K kK
+
+LlMm
+mNN n
+O oO
+
+PpQq
+qRR r
+S sS
+
+TtUu
+uVV v
+W wW
+
+XxYy
+yZZ z
+[?6lPush <RETURN> \ No newline at end of file
diff --git a/src/tests/fixtures/vttest1-3 b/src/tests/fixtures/vttest1-3
new file mode 100644
index 00000000..3b4842c1
--- /dev/null
+++ b/src/tests/fixtures/vttest1-3
@@ -0,0 +1,137 @@
+⏎(B ⏎ Welcome to fish, the friendly interactive shell
+[?2004h]0;fish /home/aram/code/zellij(B⋊>(B ~/c/zellij(B on vttest-1(B ⨯ 11:25:27(B   v11:25:27(B  v(B11:25:27(B  ttest(B11:25:27(B  ttest(B11:25:27(B  test(B11:25:27(B  est(B11:25:27(B  st(B11:25:27(B  t(B11:25:27(B  vttest(B11:25:27(B  11:25:27(B  
+(B[?2004l]0;vttest /home/aram/code/zellij(B [?1l[?3l[?4l[?5l[?6l[?7h[?8l[?40h[?45lVT100 test program, version 2.7 (20210210)Line speed 38400bd Choose test type:
+
+ 0. Exit
+ 1. Test of cursor movements
+ 2. Test of screen features
+ 3. Test of character sets
+ 4. Test of double-sized characters
+ 5. Test of keyboard
+ 6. Test of terminal reports
+ 7. Test of VT52 mode
+ 8. Test of VT102 features (Insert/Delete Char/Line)
+ 9. Test of known bugs
+ 10. Test of reset and self-test
+ 11. Test non-VT100 (e.g., VT220, XTERM) terminals
+ 12. Modify test-parameters
+
+ Enter choice number (0 - 12): 1
+[?3l#8****************************************************************************************************************************************************************+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M**E**E**E**E**E**E**E**E**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++      The screen should be cleared, and have an unbroken bor-der of *'s and +'s around the edge, and exactly in themiddle there should be a frame of E's around this textwith one (1) free position around it. Push <RETURN>⏎(B ⏎ Welcome to fish, the friendly interactive shell
+[?2004h]0;fish /home/aram/code/zellij(B⋊>(B ~/c/zellij(B on vttest-1(B ⨯ 11:27:18(B   v11:27:18(B  v(B11:27:18(B  ttest(B11:27:18(B  ttest(B11:27:18(B  test(B11:27:18(B  est(B11:27:18(B  st(B11:27:18(B  t(B11:27:18(B  vttest(B11:27:18(B  11:27:18(B  
+(B[?2004l]0;vttest /home/aram/code/zellij(B [?1l[?3l[?4l[?5l[?6l[?7h[?8l[?40h[?45lVT100 test program, version 2.7 (20210210)Line speed 38400bd Choose test type:
+
+ 0. Exit
+ 1. Test of cursor movements
+ 2. Test of screen features
+ 3. Test of character sets
+ 4. Test of double-sized characters
+ 5. Test of keyboard
+ 6. Test of terminal reports
+ 7. Test of VT52 mode
+ 8. Test of VT102 features (Insert/Delete Char/Line)
+ 9. Test of known bugs
+ 10. Test of reset and self-test
+ 11. Test non-VT100 (e.g., VT220, XTERM) terminals
+ 12. Modify test-parameters
+
+ Enter choice number (0 - 12): 1
+[?3l#8****************************************************************************************************************************************************************+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M**E**E**E**E**E**E**E**E**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++      The screen should be cleared, and have an unbroken bor-der of *'s and +'s around the edge, and exactly in themiddle there should be a frame of E's around this textwith one (1) free position around it. Push <RETURN>[?3h#8************************************************************************************************************************************************************************************************************************************************************************+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M**E**E**E**E**E**E**E**E**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++      The screen should be cleared, and have an unbroken bor-der of *'s and +'s around the edge, and exactly in themiddle there should be a frame of E's around this textwith one (1) free position around it. Push <RETURN>[?3l[?3lTest of autowrap, mixing control and print characters.
+The left/right margins should have letters in order:
+[?6hAa
+aBB b
+C cC
+
+DdEe
+eFF f
+G gG
+
+HhIi
+iJJ j
+K kK
+
+LlMm
+mNN n
+O oO
+
+PpQq
+qRR r
+S sS
+
+TtUu
+uVV v
+W wW
+
+XxYy
+yZZ z
+[?6lPush <RETURN>[?3hTest of autowrap, mixing control and print characters.
+The left/right margins should have letters in order:
+[?6hAa
+aBB b
+C cC
+
+DdEe
+eFF f
+G gG
+
+HhIi
+iJJ j
+K kK
+
+LlMm
+mNN n
+O oO
+
+PpQq
+qRR r
+S sS
+
+TtUu
+uVV v
+W wW
+
+XxYy
+yZZ z
+[?6lPush <RETURN> \ No newline at end of file
diff --git a/src/tests/fixtures/vttest1-4 b/src/tests/fixtures/vttest1-4
new file mode 100644
index 00000000..66e86891
--- /dev/null
+++ b/src/tests/fixtures/vttest1-4
@@ -0,0 +1,112 @@
+⏎(B ⏎ Welcome to fish, the friendly interactive shell
+[?2004h]0;fish /home/aram/code/zellij(B⋊>(B ~/c/zellij(B on vttest-1(B ⨯ 11:29:05(B   v11:29:05(B  v(B11:29:05(B  ttest(B11:29:05(B  ttest(B11:29:05(B  test(B11:29:05(B  est(B11:29:05(B  st(B11:29:05(B  t(B11:29:05(B  vttest(B11:29:05(B  11:29:05(B  
+(B[?2004l]0;vttest /home/aram/code/zellij(B [?1l[?3l[?4l[?5l[?6l[?7h[?8l[?40h[?45lVT100 test program, version 2.7 (20210210)Line speed 38400bd Choose test type:
+
+ 0. Exit
+ 1. Test of cursor movements
+ 2. Test of screen features
+ 3. Test of character sets
+ 4. Test of double-sized characters
+ 5. Test of keyboard
+ 6. Test of terminal reports
+ 7. Test of VT52 mode
+ 8. Test of VT102 features (Insert/Delete Char/Line)
+ 9. Test of known bugs
+ 10. Test of reset and self-test
+ 11. Test non-VT100 (e.g., VT220, XTERM) terminals
+ 12. Modify test-parameters
+
+ Enter choice number (0 - 12): 1
+[?3l#8****************************************************************************************************************************************************************+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M**E**E**E**E**E**E**E**E**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++      The screen should be cleared, and have an unbroken bor-der of *'s and +'s around the edge, and exactly in themiddle there should be a frame of E's around this textwith one (1) free position around it. Push <RETURN>[?3h#8************************************************************************************************************************************************************************************************************************************************************************+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M**E**E**E**E**E**E**E**E**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++      The screen should be cleared, and have an unbroken bor-der of *'s and +'s around the edge, and exactly in themiddle there should be a frame of E's around this textwith one (1) free position around it. Push <RETURN>[?3l[?3lTest of autowrap, mixing control and print characters.
+The left/right margins should have letters in order:
+[?6hAa
+aBB b
+C cC
+
+DdEe
+eFF f
+G gG
+
+HhIi
+iJJ j
+K kK
+
+LlMm
+mNN n
+O oO
+
+PpQq
+qRR r
+S sS
+
+TtUu
+uVV v
+W wW
+
+XxYy
+yZZ z
+[?6lPush <RETURN>[?3hTest of autowrap, mixing control and print characters.
+The left/right margins should have letters in order:
+[?6hAa
+aBB b
+C cC
+
+DdEe
+eFF f
+G gG
+
+HhIi
+iJJ j
+K kK
+
+LlMm
+mNN n
+O oO
+
+PpQq
+qRR r
+S sS
+
+TtUu
+uVV v
+W wW
+
+XxYy
+yZZ z
+[?6lPush <RETURN>[?3lTest of cursor-control characters inside ESC sequences.
+Below should be four identical lines:
+
+A B C D E F G H I
+A[2CB[2CC[2CD[2CE[2CF[2CG[2CH[2CI[2C
+A [ 2CB[ 4CC[ 6CD[ 8CE[ 10CF[ 12CG[ 14CH[ 16CI
+A [1 AB [1 AC [1 AD [1 AE [1 AF [1 AG [1 AH [1 AI [1 A
+
+Push <RETURN> \ No newline at end of file
diff --git a/src/tests/fixtures/vttest1-5 b/src/tests/fixtures/vttest1-5
new file mode 100644
index 00000000..89b39930
--- /dev/null
+++ b/src/tests/fixtures/vttest1-5
@@ -0,0 +1,113 @@
+⏎(B ⏎ Welcome to fish, the friendly interactive shell
+[?2004h]0;fish /home/aram/code/zellij(B⋊>(B ~/c/zellij(B on vttest-1(B ⨯ 11:30:38(B   v11:30:38(B  v(B11:30:38(B  ttest(B11:30:38(B  ttest(B11:30:38(B  test(B11:30:38(B  est(B11:30:38(B  st(B11:30:38(B  t(B11:30:38(B  vttest(B11:30:38(B  11:30:38(B  
+(B[?2004l]0;vttest /home/aram/code/zellij(B [?1l[?3l[?4l[?5l[?6l[?7h[?8l[?40h[?45lVT100 test program, version 2.7 (20210210)Line speed 38400bd Choose test type:
+
+ 0. Exit
+ 1. Test of cursor movements
+ 2. Test of screen features
+ 3. Test of character sets
+ 4. Test of double-sized characters
+ 5. Test of keyboard
+ 6. Test of terminal reports
+ 7. Test of VT52 mode
+ 8. Test of VT102 features (Insert/Delete Char/Line)
+ 9. Test of known bugs
+ 10. Test of reset and self-test
+ 11. Test non-VT100 (e.g., VT220, XTERM) terminals
+ 12. Modify test-parameters
+
+ Enter choice number (0 - 12): 1
+[?3l#8****************************************************************************************************************************************************************+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M**E**E**E**E**E**E**E**E**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++      The screen should be cleared, and have an unbroken bor-der of *'s and +'s around the edge, and exactly in themiddle there should be a frame of E's around this textwith one (1) free position around it. Push <RETURN>[?3h#8************************************************************************************************************************************************************************************************************************************************************************+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+D+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M+M**E**E**E**E**E**E**E**E**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++      The screen should be cleared, and have an unbroken bor-der of *'s and +'s around the edge, and exactly in themiddle there should be a frame of E's around this textwith one (1) free position around it. Push <RETURN>[?3l[?3lTest of autowrap, mixing control and print characters.
+The left/right margins should have letters in order:
+[?6hAa
+aBB b
+C cC
+
+DdEe
+eFF f
+G gG
+
+HhIi
+iJJ j
+K kK
+
+LlMm
+mNN n
+O oO
+
+PpQq
+qRR r
+S sS
+
+TtUu
+uVV v
+W wW
+
+XxYy
+yZZ z
+[?6lPush <RETURN>[?3hTest of autowrap, mixing control and print characters.
+The left/right margins should have letters in order:
+[?6hAa
+aBB b
+C cC
+
+DdEe
+eFF f
+G gG
+
+HhIi
+iJJ j
+K kK
+
+LlMm
+mNN n
+O oO
+
+PpQq
+qRR r
+S sS
+
+TtUu
+uVV v
+W wW
+
+XxYy
+yZZ z
+[?6lPush <RETURN>[?3lTest of cursor-control characters inside ESC sequences.
+Below should be four identical lines:
+
+A B C D E F G H I
+A[2CB[2CC[2CD[2CE[2CF[2CG[2CH[2CI[2C
+A [ 2CB[ 4CC[ 6CD[ 8CE[ 10CF[ 12CG[ 14CH[ 16CI
+A [1 AB [1 AC [1 AD [1 AE [1 AF [1 AG [1 AH [1 AI [1 A
+
+Push <RETURN>Test of leading zeros in ESC sequences.
+Two lines below you should see the sentence "This is a correct sentence".This is a correct sentencePush <RETURN> \ No newline at end of file
generated by cgit v1.3.1-sl0p (git 2.54.0) at 2026-11-08 19:37:33 +0000 — sl0p fork