implement origin mode

1 files changed, 31 insertions, 1 deletions

diff --git a/tests/scroll.rs b/tests/scroll.rs
index f7e062a..82e10fa 100644
--- a/tests/scroll.rs
+++ b/tests/scroll.rs
@@ -8,7 +8,14 @@ fn scroll_regions() {
     assert_eq!(screen.window_contents(0, 0, 23, 79), "2\n3\n4\n5\n6\n7\n8\n9\n10\n11\n12\n13\n14\n15\n16\n17\n18\n19\n20\n21\n22\n23\n24\n\n");
 
     screen.process(b"\x1b[m\x1b[2J\x1b[H1\r\n2\r\n3\r\n4\r\n5\r\n6\r\n7\r\n8\r\n9\r\n10\r\n11\r\n12\r\n13\r\n14\r\n15\r\n16\r\n17\r\n18\r\n19\r\n20\r\n21\r\n22\r\n23\r\n24");
-    screen.process(b"\x1b[10;20r\x1b[20;50H\n");
+
+    screen.process(b"\x1b[10;20r");
+    assert_eq!(screen.cursor_position(), (9, 0));
+
+    screen.process(b"\x1b[20;50H");
+    assert_eq!(screen.cursor_position(), (19, 49));
+
+    screen.process(b"\n");
     assert_eq!(screen.window_contents(0, 0, 23, 79), "1\n2\n3\n4\n5\n6\n7\n8\n9\n11\n12\n13\n14\n15\n16\n17\n18\n19\n20\n\n21\n22\n23\n24\n");
     assert_eq!(screen.cursor_position(), (19, 49));
 
@@ -23,3 +30,26 @@ fn scroll_regions() {
     screen.process(b"\x1b[10;50H\x1bM");
     assert_eq!(screen.window_contents(0, 0, 23, 79), "1\n2\n3\n4\n5\n6\n7\n8\n9\n\n10\n11\n12\n13\n14\n\n\n15\n16\n17\n21\n22\n23\n24\n");
 }
+
+#[test]
+fn origin_mode() {
+    let mut screen = vt100::Screen::new(24, 80);
+
+    screen.process(b"\x1b[5;15r");
+    assert_eq!(screen.cursor_position(), (4, 0));
+
+    screen.process(b"\x1b[10;50H");
+    assert_eq!(screen.cursor_position(), (9, 49));
+
+    screen.process(b"\x1b[?6h");
+    assert_eq!(screen.cursor_position(), (4, 0));
+
+    screen.process(b"\x1b[10;50H");
+    assert_eq!(screen.cursor_position(), (13, 49));
+
+    screen.process(b"\x1b[?6l");
+    assert_eq!(screen.cursor_position(), (0, 0));
+
+    screen.process(b"\x1b[10;50H");
+    assert_eq!(screen.cursor_position(), (9, 49));
+}