114 lines
3.3 KiB
Rust
114 lines
3.3 KiB
Rust
use std::cell::RefCell;
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use std::rc::Rc;
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use std::time::Instant;
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use gpui::{
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AppContext as _, Context, Entity, IntoElement, ParentElement as _, Render, SharedString,
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Styled as _, TestAppContext, VisualTestContext, Window, div,
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};
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use gpui_native_core::common::v_flex;
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use gpui_native_core::field::Field;
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use gpui_native_core::init;
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use gpui_native_core::input::{Input, InputState};
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struct FieldHost {
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url: Entity<InputState>,
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renders: Rc<RefCell<usize>>,
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}
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impl Render for FieldHost {
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fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
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*self.renders.borrow_mut() += 1;
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let url_error = self
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.url
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.read(cx)
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.value()
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.is_empty()
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.then_some("Required")
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.map(SharedString::from);
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div().size_full().p_4().child(
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v_flex().gap_3().child(
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Field::new("bench-url", "Server URL")
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.description("Where your patches are sent.")
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.error(url_error)
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.child(Input::new("bench-url-input", self.url.clone())),
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),
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)
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}
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}
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/// A field page in a real window, with the url input focused.
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fn field_host() -> (
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TestAppContext,
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Entity<InputState>,
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Rc<RefCell<usize>>,
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VisualTestContext,
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) {
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let cx = TestAppContext::single();
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cx.update(init);
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let (url, renders, window) = cx.update(|cx| {
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let renders = Rc::new(RefCell::new(0));
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let url = InputState::new(cx);
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let url_for_host = url.clone();
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let renders_for_host = renders.clone();
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let window = cx
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.open_window(gpui::WindowOptions::default(), |_, cx| {
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cx.new(|_| FieldHost {
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url: url_for_host,
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renders: renders_for_host,
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})
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})
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.unwrap();
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(url, renders, window)
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});
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let mut visual = VisualTestContext::from_window(window.into(), &cx);
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visual.update(|window, cx| {
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let focus = url.read(cx).focus_handle();
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window.focus(&focus, cx);
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window.draw(cx).clear(cx);
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});
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(cx, url, renders, visual)
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}
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fn draw(visual: &mut VisualTestContext) {
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visual.update(|window, cx| {
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window.draw(cx).clear(cx);
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});
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}
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fn type_and_time(visual: &mut VisualTestContext, text: &str) -> std::time::Duration {
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let started = Instant::now();
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for letter in text.chars() {
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visual.simulate_keystrokes(&letter.to_string());
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draw(visual);
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}
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let elapsed = started.elapsed();
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println!(
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"{} keystrokes: {elapsed:?} ({:.2} ms per keystroke)",
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text.chars().count(),
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elapsed.as_secs_f64() / text.chars().count() as f64 * 1000.
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);
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elapsed
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}
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#[test]
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fn an_idle_field_page_schedules_no_frames() {
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let (_cx, _url, _renders, mut visual) = field_host();
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let frames = visual.update(|window, cx| window.simulate_next_frame(cx));
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assert_eq!(
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frames, 0,
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"an idle field page must not request animation frames"
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);
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}
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#[test]
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fn field_typing_frame_cost() {
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let (_cx, _url, _renders, mut visual) = field_host();
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let elapsed = type_and_time(&mut visual, "dsdsadsadadadada");
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assert!(
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elapsed.as_millis() < 1000,
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"typing 16 characters took {elapsed:?}"
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);
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}
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