implement callback for terminal resize request

1 files changed, 40 insertions, 0 deletions

diff --git a/tests/csi.rs b/tests/csi.rs
index 7a409b6..460a03d 100644
--- a/tests/csi.rs
+++ b/tests/csi.rs
@@ -44,3 +44,43 @@ fn il_dl() {
 fn scroll() {
     helpers::fixture("scroll");
 }
+
+#[test]
+fn xtwinops() {
+    struct Callbacks;
+    impl vt100::Callbacks for Callbacks {
+        fn resize(
+            &mut self,
+            screen: &mut vt100::Screen,
+            (rows, cols): (u16, u16),
+        ) {
+            screen.set_size(rows, cols);
+        }
+    }
+
+    let mut vt = vt100::Parser::default();
+    assert_eq!(vt.screen().size(), (24, 80));
+    vt.process_cb(b"\x1b[8;24;80t", &mut Callbacks);
+    assert_eq!(vt.screen().size(), (24, 80));
+    vt.process_cb(b"\x1b[8t", &mut Callbacks);
+    assert_eq!(vt.screen().size(), (24, 80));
+    vt.process_cb(b"\x1b[8;80;24t", &mut Callbacks);
+    assert_eq!(vt.screen().size(), (80, 24));
+    vt.process_cb(b"\x1b[8;24t", &mut Callbacks);
+    assert_eq!(vt.screen().size(), (24, 24));
+
+    let mut vt = vt100::Parser::default();
+    assert_eq!(vt.screen().size(), (24, 80));
+    vt.process_cb(b"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", &mut Callbacks);
+    assert_eq!(vt.screen().rows(0, 80).next().unwrap(), "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
+    assert_eq!(vt.screen().rows(0, 80).nth(1).unwrap(), "aaaaaaaaaa");
+    vt.process_cb(
+        b"\x1b[H\x1b[8;24;15tbbbbbbbbbbbbbbbbbbbb\x1b[8;24;80tcccccccccccccccccccc",
+        &mut Callbacks,
+    );
+    assert_eq!(vt.screen().rows(0, 80).next().unwrap(), "bbbbbbbbbbbbbbb");
+    assert_eq!(
+        vt.screen().rows(0, 80).nth(1).unwrap(),
+        "bbbbbcccccccccccccccccccc"
+    );
+}