Function auto_bounds_true

egui_plot/src/plot.rs:2174–2203

()

    /// Test that `auto_bounds(true)` fits the data exactly when the margin fraction is zero.
    #[test]
    fn auto_bounds_true() {
        crate::utils::init_test_logger();

        const MIN: [f64; 2] = [-10.0, -10.0];
        const MAX: [f64; 2] = [10.0, 10.0];

        let harness = {
            let bounds = PlotBounds::from_min_max(MIN, MAX);
            Harness::new_ui_state(
                |ui, bounds| {
                    let plot = Plot::new("test_plot")
                        .auto_bounds(true)
                        .set_margin_fraction(Vec2::splat(0.0));

                    plot.show(ui, |plot_ui| {
                        let corners = vec![MIN, MAX];
                        plot_ui.points(Points::new("filler", corners));
                        *bounds = plot_ui.plot_bounds();
                    });
                },
                bounds,
            )
        };

        let final_bounds = harness.state();
        assert!((final_bounds.min[0] - MIN[0]).abs() <= f64::EPSILON);
        assert!((final_bounds.min[1] - MIN[1]).abs() <= f64::EPSILON);
        assert!((final_bounds.max[0] - MAX[0]).abs() <= f64::EPSILON);
        assert!((final_bounds.max[1] - MAX[1]).abs() <= f64::EPSILON);
    }
}