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Avoid wrong scrolling when calling zoomReset

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The goal of this patch is to fix the test:
https://searchfox.org/mozilla-central/source/toolkit/components/pdfjs/test/browser_pdfjs_zoom.js

It's a regression due to #17790.
This commit is contained in:
Calixte Denizet 2024-03-21 12:51:08 +01:00
parent ae60221b0e
commit 918b500ca5
3 changed files with 38 additions and 2 deletions
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32
test/integration/viewer_spec.mjs
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@ -55,4 +55,36 @@ describe("PDF viewer", () => {
);
});
});
describe("Zoom commands", () => {
let pages;
beforeAll(async () => {
pages = await loadAndWait("tracemonkey.pdf", ".textLayer .endOfContent");
});
afterAll(async () => {
await closePages(pages);
});
it("must check that zoom commands don't scroll the document", async () => {
await Promise.all(
pages.map(async ([browserName, page]) => {
for (let i = 0; i < 10; i++) {
await page.evaluate(() => window.PDFViewerApplication.zoomIn());
await page.evaluate(() => window.PDFViewerApplication.zoomReset());
await page.waitForSelector(
`.page[data-page-number="1"] .textLayer .endOfContent`
);
const scrollTop = await page.evaluate(
() => document.getElementById("viewerContainer").scrollTop
);
expect(scrollTop < 100)
.withContext(`In ${browserName}`)
.toBe(true);
}
})
);
});
});
});