Function test_canvas_rectangle

tests/test_canvas.rs:352–383

()

#[test]
fn test_canvas_rectangle() -> Result<(), StrError> {
    // canvas
    let mut canvas = Canvas::new();

    // rectangles
    canvas
        .set_line_style("--")
        .set_edge_color("#1536b3")
        .set_face_color("#fcbbbe")
        .draw_rectangle(0.5, 0.5, 2.0, 1.0)
        .set_line_style(":")
        .draw_rectangle(0.5, 2.0, 2.0, 0.5);

    // add canvas to plot
    let mut plot = Plot::new();
    plot.add(&canvas);

    // save figure
    let path = Path::new(OUT_DIR).join("integ_canvas_rectangle.svg");
    plot.set_range(0.0, 3.0, 0.0, 3.0)
        .set_equal_axes(true)
        .set_show_errors(true);
    plot.save(&path)?;

    // check number of lines
    let file = File::open(path).map_err(|_| "cannot open file")?;
    let buffered = BufReader::new(file);
    let lines_iter = buffered.lines();
    let n = lines_iter.count();
    assert!(n > 420 && n < 470);
    Ok(())
}

#[test]
fn test_canvas_rectangle_and_text() -> Result<(), StrError> {