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37 lines
1.1 KiB
Rust
37 lines
1.1 KiB
Rust
use std::error::Error;
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use tui::{
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backend::{Backend, TestBackend},
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layout::Rect,
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widgets::Paragraph,
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Terminal,
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};
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#[test]
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fn terminal_buffer_size_should_be_limited() {
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let backend = TestBackend::new(400, 400);
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let terminal = Terminal::new(backend).unwrap();
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let size = terminal.backend().size().unwrap();
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assert_eq!(size.width, 255);
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assert_eq!(size.height, 255);
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}
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#[test]
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fn terminal_draw_returns_the_completed_frame() -> Result<(), Box<dyn Error>> {
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let backend = TestBackend::new(10, 10);
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let mut terminal = Terminal::new(backend)?;
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let frame = terminal.draw(|f| {
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let paragrah = Paragraph::new("Test");
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f.render_widget(paragrah, f.size());
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})?;
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assert_eq!(frame.buffer.get(0, 0).symbol, "T");
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assert_eq!(frame.area, Rect::new(0, 0, 10, 10));
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terminal.backend_mut().resize(8, 8);
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let frame = terminal.draw(|f| {
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let paragrah = Paragraph::new("test");
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f.render_widget(paragrah, f.size());
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})?;
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assert_eq!(frame.buffer.get(0, 0).symbol, "t");
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assert_eq!(frame.area, Rect::new(0, 0, 8, 8));
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Ok(())
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}
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