add benchmark suites for text search

bench/benches/insert.rs

@@ -2,21 +2,7 @@ use criterion::{black_box, criterion_group, criterion_main, Criterion};
 use rand::rngs::SmallRng;
 use rand::{Rng, SeedableRng};
 use tui_textarea::{CursorMove, Input, Key, TextArea};
-use tui_textarea_bench::dummy_terminal;
-
-const LOREM: &[&str] = &[
-    "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do",
-    "eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim",
-    "ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut",
-    "aliquip ex ea commodo consequat. Duis aute irure dolor in",
-    "reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla",
-    "pariatur. Excepteur sint occaecat cupidatat non proident, sunt in",
-    "culpa qui officia deserunt mollit anim id est laborum.",
-];
-const SEED: [u8; 32] = [
-    1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26,
-    27, 28, 29, 30, 31, 32,
-];
+use tui_textarea_bench::{dummy_terminal, TerminalExt, LOREM, SEED};
 
 #[inline]
 fn append_lorem(repeat: usize) -> usize {
@@ -30,10 +16,7 @@ fn append_lorem(repeat: usize) -> usize {
                     ctrl: false,
                     alt: false,
                 });
-                term.draw(|f| {
-                    f.render_widget(textarea.widget(), f.size());
-                })
-                .unwrap();
+                term.draw_textarea(&textarea);
             }
         }
         textarea.input(Input {
@@ -41,10 +24,7 @@ fn append_lorem(repeat: usize) -> usize {
             ctrl: false,
             alt: false,
         });
-        term.draw(|f| {
-            f.render_widget(textarea.widget(), f.size());
-        })
-        .unwrap();
+        term.draw_textarea(&textarea);
     }
     textarea.lines().len()
 }
@@ -66,10 +46,7 @@ fn random_lorem(repeat: usize) -> usize {
                 ctrl: false,
                 alt: false,
             });
-            term.draw(|f| {
-                f.render_widget(textarea.widget(), f.size());
-            })
-            .unwrap();
+            term.draw_textarea(&textarea);
 
             for c in line.chars() {
                 textarea.input(Input {
@@ -77,10 +54,7 @@ fn random_lorem(repeat: usize) -> usize {
                     ctrl: false,
                     alt: false,
                 });
-                term.draw(|f| {
-                    f.render_widget(textarea.widget(), f.size());
-                })
-                .unwrap();
+                term.draw_textarea(&textarea);
             }
         }
     }

bench/benches/search.rs

@@ -0,0 +1,62 @@
+use criterion::{criterion_group, criterion_main, Criterion};
+use tui_textarea::TextArea;
+use tui_textarea_bench::{dummy_terminal, TerminalExt, LOREM};
+
+fn forward(c: &mut Criterion) {
+    #[inline]
+    fn run(pat: &str, lines: Vec<String>) {
+        let mut term = dummy_terminal();
+        let mut textarea: TextArea = TextArea::new(lines);
+        textarea.set_search_pattern(pat).unwrap();
+        term.draw_textarea(&textarea);
+        for _ in 0..100 {
+            textarea.search_forward(false);
+            term.draw_textarea(&textarea);
+        }
+        textarea.set_search_pattern(r"").unwrap();
+        term.draw_textarea(&textarea);
+    }
+
+    c.bench_function("search::forward_short", |b| {
+        let lines: Vec<_> = LOREM.iter().map(|s| s.to_string()).collect();
+        b.iter(move || run(r"\w*i\w*", lines.clone()))
+    });
+    c.bench_function("search::forward_long", |b| {
+        let mut lines = vec![];
+        for _ in 0..10 {
+            lines.extend(LOREM.iter().map(|s| s.to_string()));
+        }
+        b.iter(move || run(r"[A-Z]\w*", lines.clone()))
+    });
+}
+
+fn back(c: &mut Criterion) {
+    #[inline]
+    fn run(pat: &str, lines: Vec<String>) {
+        let mut term = dummy_terminal();
+        let mut textarea: TextArea = TextArea::new(lines);
+        textarea.set_search_pattern(pat).unwrap();
+        term.draw_textarea(&textarea);
+        for _ in 0..100 {
+            textarea.search_back(false);
+            term.draw_textarea(&textarea);
+        }
+        textarea.set_search_pattern(r"").unwrap();
+        term.draw_textarea(&textarea);
+    }
+
+    c.bench_function("search::back_short", |b| {
+        let lines: Vec<_> = LOREM.iter().map(|s| s.to_string()).collect();
+        b.iter(move || run(r"\w*i\w*", lines.clone()))
+    });
+    c.bench_function("search::back_long", |b| {
+        let mut lines = vec![];
+        for _ in 0..10 {
+            lines.extend(LOREM.iter().map(|s| s.to_string()));
+        }
+        b.iter(move || run(r"[A-Z]\w*", lines.clone()))
+    });
+}
+
+criterion_group!(search, forward, back);
+criterion_main!(search);