ddidderr
1ba5af0658
Ports ZIG/src/terminal/{Screen,ScreenSet,Tabstops,Selection}.zig on top
of the page/PageList layer. The cursor holds a TrackedPin; Zig's cached
page_row/page_cell pointers become accessor methods. Selection methods
take the PageList explicitly because tracked bounds are handles.
Screen tests use minimal plain-text dump/selection-string helpers that
follow the formatter's semantics; they will delegate to the real
formatter once formatter.zig is ported.
Gaps found in the PageList layer are recorded for the parity pass in
docs/rewrite/notes/ghostty-terminal-pagelist-requests.md; three resize
tests are #[ignore]d pending those fixes (PageList::resize keeps
trailing blank rows Zig drops). Kitty image storage and StringMap are
placeholders.
Test Plan:
- cargo test -p ghostty-terminal (443 passed, 3 ignored; Screen 183/184,
Selection 18/18, Tabstops 4/5 - skipped tests use allocator failure
injection)
439 lines
13 KiB
Rust
439 lines
13 KiB
Rust
use super::*;
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use ghostty_vt::sgr::Attribute as A;
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#[test]
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fn screen_read_and_write() {
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let mut s = init(80, 24, 1000);
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assert_eq!(0, s.cursor.style_id);
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s.test_write_string("hello, world").unwrap();
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let str = dump(&s, screen_pt(0, 0));
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assert_eq!("hello, world", str);
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}
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#[test]
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fn screen_read_and_write_newline() {
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let mut s = init(80, 24, 1000);
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assert_eq!(0, s.cursor.style_id);
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s.test_write_string("hello\nworld").unwrap();
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let str = dump(&s, screen_pt(0, 0));
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assert_eq!("hello\nworld", str);
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}
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#[test]
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fn screen_read_and_write_scrollback() {
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let mut s = init(80, 2, 1000);
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s.test_write_string("hello\nworld\ntest").unwrap();
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assert_eq!("hello\nworld\ntest", dump(&s, screen_pt(0, 0)));
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assert_eq!("world\ntest", dump(&s, active(0, 0)));
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}
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#[test]
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fn screen_read_and_write_no_scrollback_small() {
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let mut s = init(80, 2, 0);
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s.test_write_string("hello\nworld\ntest").unwrap();
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assert_eq!("world\ntest", dump(&s, screen_pt(0, 0)));
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assert_eq!("world\ntest", dump(&s, active(0, 0)));
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}
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#[test]
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fn screen_read_and_write_no_scrollback_large() {
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let mut s = init(80, 2, 0);
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for i in 0..1_000 {
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s.test_write_string(&format!("{i}\n")).unwrap();
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}
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s.test_write_string("1000").unwrap();
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assert_eq!("999\n1000", dump(&s, screen_pt(0, 0)));
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}
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#[test]
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fn screen_cursor_copy_x_y() {
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let mut s = init(10, 10, 0);
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s.cursor_absolute(2, 3);
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assert!(s.cursor.x == 2);
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assert!(s.cursor.y == 3);
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let mut s2 = init(10, 10, 0);
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s2.cursor_copy(&s.cursor, true).unwrap();
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assert!(s2.cursor.x == 2);
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assert!(s2.cursor.y == 3);
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s2.test_write_string("Hello").unwrap();
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assert_eq!("\n\n\n Hello", dump(&s2, screen_pt(0, 0)));
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}
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#[test]
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fn screen_cursor_copy_style_deref() {
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let s = init(10, 10, 0);
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let mut s2 = init(10, 10, 0);
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let page = s2.cursor_pin().node;
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// Bold should create our style
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s2.set_attribute(A::Bold).unwrap();
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assert_eq!(1, s2.page(page).styles.count());
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assert!(s2.cursor.style.flags.bold);
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// Copy default style, should release our style
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s2.cursor_copy(&s.cursor, true).unwrap();
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assert!(!s2.cursor.style.flags.bold);
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assert_eq!(0, s2.page(page).styles.count());
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}
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/// Builds the two-page setup shared by the "new page" cursorCopy tests.
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fn cursor_on_second_page() -> Screen {
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let mut s2 = init(10, 10, 2048);
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// We need to get the cursor on a new page.
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let first = s2.pages.first.unwrap();
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let first_page_size = s2.page(first).capacity.rows;
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// Fill the scrollback with blank lines until
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// there are only 5 rows left on the first page.
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s2.page_mut(first).pause_integrity_checks(true);
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for _ in 0..first_page_size - 5 {
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s2.test_write_string("\n").unwrap();
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}
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s2.page_mut(first).pause_integrity_checks(false);
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s2.test_write_string("1\n2\n3\n4\n5\n6\n7\n8\n9\n10")
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.unwrap();
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// s2.pages.diagram(...):
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//
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// +----------+ = PAGE 0
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// ... : :
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// +-------------+ ACTIVE
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// 4300 |1 | | 0
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// 4301 |2 | | 1
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// 4302 |3 | | 2
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// 4303 |4 | | 3
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// 4304 |5 | | 4
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// +----------+ :
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// +----------+ : = PAGE 1
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// 0 |6 | | 5
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// 1 |7 | | 6
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// 2 |8 | | 7
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// 3 |9 | | 8
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// 4 |10 | | 9
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// : ^ : : = PIN 0
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// +----------+ :
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// +-------------+
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s2
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}
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#[test]
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fn screen_cursor_copy_style_deref_new_page() {
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let s = init(10, 10, 0);
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let mut s2 = cursor_on_second_page();
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// This should be PAGE 1
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let page = s2.cursor_pin().node;
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// It should be the last page in the list.
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assert_eq!(Some(page), s2.pages.last);
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// It should have a previous page.
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assert!(s2.pages.node(page).unwrap().prev.is_some());
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// The cursor should be at 2, 9
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assert!(s2.cursor.x == 2);
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assert!(s2.cursor.y == 9);
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// Bold should create our style in page 1.
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s2.set_attribute(A::Bold).unwrap();
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assert_eq!(1, s2.page(page).styles.count());
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assert!(s2.cursor.style.flags.bold);
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// Copy the cursor for the first screen. This should release
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// the style from page 1 and move the cursor back to page 0.
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s2.cursor_copy(&s.cursor, true).unwrap();
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assert!(!s2.cursor.style.flags.bold);
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assert_eq!(0, s2.page(page).styles.count());
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// The page after the page the cursor is now in should be page 1.
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assert_eq!(
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Some(page),
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s2.pages.node(s2.cursor_pin().node).unwrap().next
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);
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// The cursor should be at 0, 0
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assert!(s2.cursor.x == 0);
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assert!(s2.cursor.y == 0);
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}
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#[test]
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fn screen_cursor_copy_style_copy() {
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let mut s = init(10, 10, 0);
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s.set_attribute(A::Bold).unwrap();
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let mut s2 = init(10, 10, 0);
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let page = s2.cursor_pin().node;
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s2.cursor_copy(&s.cursor, true).unwrap();
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assert!(s2.cursor.style.flags.bold);
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assert_eq!(1, s2.page(page).styles.count());
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}
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#[test]
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fn screen_cursor_copy_hyperlink_deref() {
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let s = init(10, 10, 0);
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let mut s2 = init(10, 10, 0);
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let page = s2.cursor_pin().node;
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// Create a hyperlink for the cursor.
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s2.start_hyperlink(b"https://example.com/", None).unwrap();
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assert_eq!(1, s2.page(page).hyperlink_set.count());
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assert!(s2.cursor.hyperlink_id != 0);
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// Copy a cursor with no hyperlink, should release our hyperlink.
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s2.cursor_copy(&s.cursor, true).unwrap();
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assert_eq!(0, s2.page(page).hyperlink_set.count());
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assert!(s2.cursor.hyperlink_id == 0);
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}
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#[test]
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fn screen_cursor_copy_hyperlink_deref_new_page() {
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let s = init(10, 10, 0);
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let mut s2 = cursor_on_second_page();
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// This should be PAGE 1
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let page = s2.cursor_pin().node;
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// It should be the last page in the list.
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assert_eq!(Some(page), s2.pages.last);
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// It should have a previous page.
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assert!(s2.pages.node(page).unwrap().prev.is_some());
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// The cursor should be at 2, 9
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assert!(s2.cursor.x == 2);
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assert!(s2.cursor.y == 9);
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// Create a hyperlink for the cursor, should be in page 1.
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s2.start_hyperlink(b"https://example.com/", None).unwrap();
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assert_eq!(1, s2.page(page).hyperlink_set.count());
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assert!(s2.cursor.hyperlink_id != 0);
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// Copy the cursor for the first screen. This should release
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// the hyperlink from page 1 and move the cursor back to page 0.
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s2.cursor_copy(&s.cursor, true).unwrap();
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assert_eq!(0, s2.page(page).hyperlink_set.count());
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assert!(s2.cursor.hyperlink_id == 0);
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// The page after the page the cursor is now in should be page 1.
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assert_eq!(
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Some(page),
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s2.pages.node(s2.cursor_pin().node).unwrap().next
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);
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// The cursor should be at 0, 0
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assert!(s2.cursor.x == 0);
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assert!(s2.cursor.y == 0);
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}
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#[test]
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fn screen_cursor_copy_hyperlink_copy() {
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let mut s = init(10, 10, 0);
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// Create a hyperlink for the cursor.
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s.start_hyperlink(b"https://example.com/", None).unwrap();
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assert_eq!(1, s.cursor_page().hyperlink_set.count());
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assert!(s.cursor.hyperlink_id != 0);
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let mut s2 = init(10, 10, 0);
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let page = s2.cursor_pin().node;
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assert_eq!(0, s2.page(page).hyperlink_set.count());
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assert!(s2.cursor.hyperlink_id == 0);
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// Copy the cursor with the hyperlink.
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s2.cursor_copy(&s.cursor, true).unwrap();
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assert_eq!(1, s2.page(page).hyperlink_set.count());
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assert!(s2.cursor.hyperlink_id != 0);
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}
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#[test]
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fn screen_cursor_copy_hyperlink_copy_disabled() {
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let mut s = init(10, 10, 0);
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// Create a hyperlink for the cursor.
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s.start_hyperlink(b"https://example.com/", None).unwrap();
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assert_eq!(1, s.cursor_page().hyperlink_set.count());
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assert!(s.cursor.hyperlink_id != 0);
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let mut s2 = init(10, 10, 0);
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let page = s2.cursor_pin().node;
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assert_eq!(0, s2.page(page).hyperlink_set.count());
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assert!(s2.cursor.hyperlink_id == 0);
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// Copy the cursor with the hyperlink.
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s2.cursor_copy(&s.cursor, false).unwrap();
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assert_eq!(0, s2.page(page).hyperlink_set.count());
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assert!(s2.cursor.hyperlink_id == 0);
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}
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#[test]
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fn screen_style_basics() {
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let mut s = init(80, 24, 1000);
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let page = s.cursor_pin().node;
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assert_eq!(0, s.page(page).styles.count());
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// Set a new style
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s.set_attribute(A::Bold).unwrap();
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assert!(s.cursor.style_id != 0);
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assert_eq!(1, s.page(page).styles.count());
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assert!(s.cursor.style.flags.bold);
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// Set another style, we should still only have one since it was unused
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s.set_attribute(A::Italic).unwrap();
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assert!(s.cursor.style_id != 0);
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assert_eq!(1, s.page(page).styles.count());
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assert!(s.cursor.style.flags.italic);
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}
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#[test]
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fn screen_style_reset_to_default() {
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let mut s = init(80, 24, 1000);
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let page = s.cursor_pin().node;
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assert_eq!(0, s.page(page).styles.count());
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// Set a new style
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s.set_attribute(A::Bold).unwrap();
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assert!(s.cursor.style_id != 0);
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assert_eq!(1, s.page(page).styles.count());
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// Reset to default
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s.set_attribute(A::ResetBold).unwrap();
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assert!(s.cursor.style_id == 0);
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assert_eq!(0, s.page(page).styles.count());
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}
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#[test]
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fn screen_style_reset_with_unset() {
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let mut s = init(80, 24, 1000);
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let page = s.cursor_pin().node;
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assert_eq!(0, s.page(page).styles.count());
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// Set a new style
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s.set_attribute(A::Bold).unwrap();
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assert!(s.cursor.style_id != 0);
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assert_eq!(1, s.page(page).styles.count());
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// Reset to default
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s.set_attribute(A::Unset).unwrap();
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assert!(s.cursor.style_id == 0);
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assert_eq!(0, s.page(page).styles.count());
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}
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#[test]
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fn screen_clear_rows_active_one_line() {
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let mut s = init(80, 24, 1000);
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s.test_write_string("hello, world").unwrap();
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s.clear_rows(active(0, 0), None, false);
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assert!(s.pages.is_dirty(active(0, 0)));
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assert_eq!("", dump(&s, screen_pt(0, 0)));
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}
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#[test]
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fn screen_clear_rows_active_multi_line() {
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let mut s = init(80, 24, 1000);
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s.test_write_string("hello\nworld").unwrap();
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s.clear_rows(active(0, 0), None, false);
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assert!(s.pages.is_dirty(active(0, 0)));
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assert!(s.pages.is_dirty(active(0, 1)));
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assert_eq!("", dump(&s, screen_pt(0, 0)));
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}
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#[test]
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fn screen_clear_rows_active_styled_line() {
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let mut s = init(80, 24, 1000);
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s.set_attribute(A::Bold).unwrap();
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s.test_write_string("hello world").unwrap();
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s.set_attribute(A::Unset).unwrap();
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// We should have one style
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let page = s.cursor_pin().node;
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assert_eq!(1, s.page(page).styles.count());
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s.clear_rows(active(0, 0), None, false);
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// We should have none because active cleared it
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assert_eq!(0, s.page(page).styles.count());
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assert_eq!("", dump(&s, screen_pt(0, 0)));
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}
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#[test]
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fn screen_clear_rows_protected() {
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let mut s = init(80, 24, 1000);
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s.test_write_string("UNPROTECTED").unwrap();
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s.cursor.protected = true;
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s.test_write_string("PROTECTED").unwrap();
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s.cursor.protected = false;
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s.test_write_string("UNPROTECTED").unwrap();
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s.test_write_string("\n").unwrap();
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s.cursor.protected = true;
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s.test_write_string("PROTECTED").unwrap();
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s.cursor.protected = false;
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s.test_write_string("UNPROTECTED").unwrap();
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s.cursor.protected = true;
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s.test_write_string("PROTECTED").unwrap();
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s.cursor.protected = false;
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s.clear_rows(active(0, 0), None, true);
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assert_eq!(
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" PROTECTED\nPROTECTED PROTECTED",
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dump(&s, screen_pt(0, 0))
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);
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}
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#[test]
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fn screen_erase_rows_history() {
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let mut s = init(5, 5, 1000);
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s.test_write_string("1\n2\n3\n4\n5\n6").unwrap();
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assert_eq!("2\n3\n4\n5\n6", dump(&s, active(0, 0)));
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assert_eq!("1\n2\n3\n4\n5\n6", dump(&s, screen_pt(0, 0)));
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s.erase_rows(history(0, 0), None);
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assert_eq!("2\n3\n4\n5\n6", dump(&s, active(0, 0)));
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assert_eq!("2\n3\n4\n5\n6", dump(&s, screen_pt(0, 0)));
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}
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#[test]
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fn screen_erase_rows_history_with_more_lines() {
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let mut s = init(5, 5, 1000);
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s.test_write_string("A\nB\nC\n1\n2\n3\n4\n5\n6").unwrap();
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assert_eq!("2\n3\n4\n5\n6", dump(&s, active(0, 0)));
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assert_eq!("A\nB\nC\n1\n2\n3\n4\n5\n6", dump(&s, screen_pt(0, 0)));
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s.erase_rows(history(0, 0), None);
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assert_eq!("2\n3\n4\n5\n6", dump(&s, active(0, 0)));
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assert_eq!("2\n3\n4\n5\n6", dump(&s, screen_pt(0, 0)));
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}
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#[test]
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fn screen_erase_rows_active_partial() {
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let mut s = init(5, 5, 0);
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s.test_write_string("1\n2\n3").unwrap();
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assert_eq!("1\n2\n3", dump(&s, active(0, 0)));
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s.erase_rows(active(0, 0), Some(active(0, 1)));
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assert_eq!("3", dump(&s, active(0, 0)));
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assert_eq!("3", dump(&s, screen_pt(0, 0)));
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}
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