gecko-dev/toolkit/modules/tests/browser/browser_FinderHighlighter2.js

"use strict";

const kPrefHighlightAll = "findbar.highlightAll";
const kPrefModalHighlight = "findbar.modalHighlight";

add_task(async function setup() {
  await SpecialPowers.pushPrefEnv({ set: [
    [kPrefHighlightAll, true],
    [kPrefModalHighlight, true],
  ]});
});

add_task(async function testIframeOffset() {
  let url = kFixtureBaseURL + "file_FinderIframeTest.html";

  await BrowserTestUtils.withNewTab(url, async function(browser) {
    let findbar = gBrowser.getFindBar();
    await promiseOpenFindbar(findbar);

    let word = "frame";
    let expectedResult = {
      rectCount: 12,
      insertCalls: [2, 4],
      removeCalls: [0, 2],
    };
    let promise = promiseTestHighlighterOutput(browser, word, expectedResult, (maskNode, outlineNode, rects) => {
      Assert.equal(rects.length, expectedResult.rectCount, "Rect counts should match");
      // Checks to guard against regressing this functionality:
      let expectedOffsets = [
        { x: 16, y: 60 },
        { x: 68, y: 104 },
        { x: 21, y: 215 },
        { x: 78, y: 264 },
        { x: 21, y: 375 },
        { x: 78, y: 424 },
        { x: 20, y: 534 },
        { x: 93, y: 534 },
        { x: 71, y: 577 },
        { x: 145, y: 577 },
      ];
      for (let i = 1, l = rects.length - 1; i < l; ++i) {
        let rect = rects[i];
        let expected = expectedOffsets[i - 1];
        Assert.equal(Math.floor(rect.x), expected.x, "Horizontal offset should match for rect " + i);
        Assert.equal(Math.floor(rect.y), expected.y, "Vertical offset should match for rect " + i);
      }
    });
    await promiseEnterStringIntoFindField(findbar, word);
    await promise;
  });
});