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The Tor Browser
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browser_rules_grid-highlighter-restored-after-reload.js (2388B)

      1 /* Any copyright is dedicated to the Public Domain.
      2 http://creativecommons.org/publicdomain/zero/1.0/ */
      3 
      4 "use strict";
      5 
      6 // Tests that the grid highlighter is re-displayed after reloading a page.
      7 
      8 const TEST_URI = `
      9  <style type='text/css'>
     10    #grid {
     11      display: grid;
     12    }
     13  </style>
     14  <div id="grid">
     15    <div id="cell1">cell1</div>
     16    <div id="cell2">cell2</div>
     17  </div>
     18 `;
     19 
     20 const OTHER_URI = `
     21  <style type='text/css'>
     22    #grid {
     23      display: grid;
     24    }
     25  </style>
     26  <div id="grid">
     27    <div id="cell1">cell1</div>
     28    <div id="cell2">cell2</div>
     29    <div id="cell3">cell3</div>
     30  </div>
     31 `;
     32 
     33 add_task(async function () {
     34  await addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
     35 
     36  info("Check that the grid highlighter can be displayed");
     37  const { inspector, view } = await openRuleView();
     38  const { highlighters } = inspector;
     39  const HIGHLIGHTER_TYPE = inspector.highlighters.TYPES.GRID;
     40  const {
     41    waitForHighlighterTypeShown,
     42    waitForHighlighterTypeRestored,
     43    waitForHighlighterTypeDiscarded,
     44  } = getHighlighterTestHelpers(inspector);
     45 
     46  await selectNode("#grid", inspector);
     47  const container = getRuleViewProperty(view, "#grid", "display").valueSpan;
     48  const gridToggle = container.querySelector(".js-toggle-grid-highlighter");
     49 
     50  info("Toggling ON the CSS grid highlighter from the rule-view.");
     51  const onHighlighterShown = waitForHighlighterTypeShown(HIGHLIGHTER_TYPE);
     52  gridToggle.click();
     53  await onHighlighterShown;
     54 
     55  is(highlighters.gridHighlighters.size, 1, "CSS grid highlighter is shown.");
     56 
     57  info("Reload the page, expect the highlighter to be displayed once again");
     58  const onRestored = waitForHighlighterTypeRestored(HIGHLIGHTER_TYPE);
     59 
     60  const onReloaded = inspector.once("reloaded");
     61  await reloadBrowser();
     62  info("Wait for inspector to be reloaded after page reload");
     63  await onReloaded;
     64 
     65  await onRestored;
     66  is(
     67    highlighters.gridHighlighters.size,
     68    1,
     69    "CSS grid highlighter was restored."
     70  );
     71 
     72  info("Navigate to another URL, and check that the highlighter is hidden");
     73  const otherUri =
     74    "data:text/html;charset=utf-8," + encodeURIComponent(OTHER_URI);
     75  const onDiscarded = waitForHighlighterTypeDiscarded(HIGHLIGHTER_TYPE);
     76  await navigateTo(otherUri);
     77  await onDiscarded;
     78  is(
     79    highlighters.gridHighlighters.size,
     80    0,
     81    "CSS grid highlighter was not restored."
     82  );
     83 });