fix dummy backend for benchmark and add insert::long::* benches

bench/Cargo.toml

@@ -10,7 +10,7 @@ bench = false
 
 [dependencies]
 tui-textarea = { path = "..", features = ["no-backend", "search"] }
-ratatui = { version = "0.23.0", default-features = false }
+ratatui = { version = ">=0.23.0", default-features = false }
 
 [dev-dependencies]
 criterion = "0.5"

bench/benches/insert.rs

@@ -62,6 +62,27 @@ fn random_lorem(repeat: usize) -> usize {
     textarea.lines().len()
 }
 
+#[inline]
+fn append_long_lorem(repeat: usize) -> usize {
+    let mut textarea = TextArea::default();
+    let mut term = dummy_terminal();
+
+    for _ in 0..repeat {
+        for line in LOREM {
+            for c in line.chars() {
+                textarea.input(Input {
+                    key: Key::Char(c),
+                    ctrl: false,
+                    alt: false,
+                });
+                term.draw_textarea(&textarea);
+            }
+        }
+    }
+
+    textarea.lines().len()
+}
+
 fn append(c: &mut Criterion) {
     c.bench_function("insert::append::1_lorem", |b| {
         b.iter(|| black_box(append_lorem(1)))
@@ -86,5 +107,17 @@ fn random(c: &mut Criterion) {
     });
 }
 
-criterion_group!(insert, append, random);
+fn long(c: &mut Criterion) {
+    c.bench_function("insert::long::1_lorem", |b| {
+        b.iter(|| black_box(append_long_lorem(1)))
+    });
+    c.bench_function("insert::long::5_lorem", |b| {
+        b.iter(|| black_box(append_long_lorem(5)))
+    });
+    c.bench_function("insert::long::10_lorem", |b| {
+        b.iter(|| black_box(append_long_lorem(10)))
+    });
+}
+
+criterion_group!(insert, append, random, long);
 criterion_main!(insert);

bench/src/lib.rs

@@ -1,9 +1,9 @@
 // We use empty backend for our benchmark instead of tui::backend::TestBackend to make impact of benchmark from tui-rs
 // as small as possible.
 
-use ratatui::backend::Backend;
+use ratatui::backend::{Backend, WindowSize};
 use ratatui::buffer::Cell;
-use ratatui::layout::Rect;
+use ratatui::layout::{Rect, Size};
 use ratatui::Terminal;
 use std::io;
 use tui_textarea::TextArea;
@@ -84,6 +84,20 @@ impl Backend for DummyBackend {
         })
     }
 
+    #[inline]
+    fn window_size(&mut self) -> Result<WindowSize, io::Error> {
+        Ok(WindowSize {
+            columns_rows: Size {
+                width: self.width,
+                height: self.height,
+            },
+            pixels: Size {
+                width: self.width * 6,
+                height: self.height * 12,
+            },
+        })
+    }
+
     #[inline]
     fn flush(&mut self) -> Result<(), io::Error> {
         Ok(())