/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

// Test viewport resizing, with and without meta viewport support.

const TEST_URL =
  "data:text/html;charset=utf-8," +
  '<head><meta name="viewport" content="initial-scale=1.0, ' +
  'minimum-scale=1.0, width=device-width"></head>' +
  '<div style="width:100%;background-color:green">test</div>' +
  "</body>";
addRDMTask(
  TEST_URL,
  async function({ ui, manager }) {
    info("--- Starting viewport test output ---");

    // We're going to take a 300,600 viewport (before) and resize it
    // to 600,300 (after) and then resize it back. At the before and
    // after points, we'll measure zoom and the layout viewport width
    // and height.
    const expected = [
      {
        before: {
          zoom: 1.0,
          width: 300,
          height: 600,
        },
        after: {
          zoom: 1.0,
          width: 600,
          height: 300,
        },
      },
    ];

    for (const e of expected) {
      const b = e.before;
      const a = e.after;

      const message = "Meta Viewport ON";

      // Ensure meta viewport is set.
      info(message + " setting meta viewport support.");
      await setTouchAndMetaViewportSupport(ui, true);

      // Get to the initial size and check values.
      await setViewportSizeAndAwaitReflow(ui, manager, 300, 600);
      await testViewportZoomWidthAndHeight(
        message + " before resize",
        ui,
        b.zoom,
        b.width,
        b.height
      );

      // Move to the smaller size.
      await setViewportSizeAndAwaitReflow(ui, manager, 600, 300);
      await testViewportZoomWidthAndHeight(
        message + " after resize",
        ui,
        a.zoom,
        a.width,
        a.height
      );

      // Go back to the initial size and check again.
      await setViewportSizeAndAwaitReflow(ui, manager, 300, 600);
      await testViewportZoomWidthAndHeight(
        message + " return to initial size",
        ui,
        b.zoom,
        b.width,
        b.height
      );
    }
  },
  { usingBrowserUI: true }
);
