gnome-shell/tests/interactive/border-radius.js

// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-

const UI = imports.testcommon.ui;

const Clutter = imports.gi.Clutter;
const St = imports.gi.St;

function test() {
    let stage = new Clutter.Stage({ width: 640, height: 480 });
    UI.init(stage);

    let vbox = new St.BoxLayout({ width: stage.width,
                                  height: stage.height,
                                  style: 'background: #ffee88;' });
    stage.add_actor(vbox);

    let scroll = new St.ScrollView();
    vbox.add(scroll, { expand: true });

    let box = new St.BoxLayout({ vertical: true,
                                 style: 'padding: 10px;'
                                 + 'spacing: 20px;' });
    scroll.add_actor(box);

    function addTestCase(radii, useGradient) {
        let background;
        if (useGradient)
            background = 'background-gradient-direction: vertical;'
            + 'background-gradient-start: white;'
            + 'background-gradient-end: gray;';
        else
            background = 'background: white;';

        box.add(new St.Label({ text: "border-radius:  " + radii + ";",
                               style: 'border: 1px solid black; '
                               + 'border-radius: ' + radii + ';'
                               + 'padding: 5px;' + background }),
                { x_fill: false });
    }

    // uniform backgrounds
    addTestCase(" 0px  5px 10px 15px", false);
    addTestCase(" 5px 10px 15px  0px", false);
    addTestCase("10px 15px  0px  5px", false);
    addTestCase("15px  0px  5px 10px", false);

    // gradient backgrounds
    addTestCase(" 0px  5px 10px 15px", true);
    addTestCase(" 5px 10px 15px  0px", true);
    addTestCase("10px 15px  0px  5px", true);
    addTestCase("15px  0px  5px 10px", true);

    // border-radius reduction
    // these should all take the cairo fallback,
    // so don't bother testing w/ or w/out gradients.
    addTestCase("200px 200px 200px 200px", false);
    addTestCase("200px 200px 0px   200px", false);
    addTestCase("999px 0px   999px 0px",   false);

    UI.main(stage);
}
test();