tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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test_change_pixel_ratio.js (656B)

      1 /* Any copyright is dedicated to the Public Domain.
      2   http://creativecommons.org/publicdomain/zero/1.0/ */
      3 
      4 "use strict";
      5 
      6 // Test changing the viewport pixel ratio.
      7 
      8 const {
      9  addViewport,
     10  changePixelRatio,
     11 } = require("resource://devtools/client/responsive/actions/viewports.js");
     12 const NEW_PIXEL_RATIO = 5.5;
     13 
     14 add_task(async function () {
     15  const store = Store();
     16  const { getState, dispatch } = store;
     17 
     18  dispatch(addViewport());
     19  dispatch(changePixelRatio(0, NEW_PIXEL_RATIO));
     20 
     21  const viewport = getState().viewports[0];
     22  equal(
     23    viewport.pixelRatio,
     24    NEW_PIXEL_RATIO,
     25    `Viewport's pixel ratio changed to ${NEW_PIXEL_RATIO}`
     26  );
     27 });