Function test_text_negative_rotation

tests/test_text.rs:52–78

()

#[test]
fn test_text_negative_rotation() -> Result<(), StrError> {
    // text object and options
    let mut text = Text::new();

    // draw text
    text.set_align_horizontal("center")
        .set_align_vertical("center")
        .set_fontsize(20.0)
        .set_rotation(-30.0)
        .draw(0.5, 0.5, "NEGATIVE ROTATION");

    // add text to plot
    let mut plot = Plot::new();
    plot.add(&text).set_range(0.0, 1.0, 0.0, 1.0);

    // save figure
    let path = Path::new(OUT_DIR).join("integ_text_negative_rotation.svg");
    plot.set_show_errors(true).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 > 570 && n < 620);
    Ok(())
}

#[test]
fn test_text_3d() -> Result<(), StrError> {