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/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
const RELATIVE_DIR = "toolkit/components/pdfjs/test/";
const TESTROOT = "https://example.com/browser/" + RELATIVE_DIR;
/**
* Test that the pdf doesn't use the minimum font size.
*/
add_task(async function test() {
let mimeService = Cc["@mozilla.org/mime;1"].getService(Ci.nsIMIMEService);
let handlerInfo = mimeService.getFromTypeAndExtension(
"application/pdf",
"pdf"
);
// Make sure pdf.js is the default handler.
is(
handlerInfo.alwaysAskBeforeHandling,
false,
"pdf handler defaults to always-ask is false"
);
is(
handlerInfo.preferredAction,
Ci.nsIHandlerInfo.handleInternally,
"pdf handler defaults to internal"
);
info("Pref action: " + handlerInfo.preferredAction);
await SpecialPowers.pushPrefEnv({
set: [["font.minimum-size.x-western", 56]],
});
await BrowserTestUtils.withNewTab(
{ gBrowser, url: "about:blank" },
async function (browser) {
// check that PDF is opened with internal viewer
await waitForPdfJSAllLayers(
browser,
`${TESTROOT}file_pdfjs_test.pdf#zoom=10`,
[]
);
await SpecialPowers.spawn(browser, [true], () => {
const pageNumberInput = content.document.querySelector("#pageNumber");
const { style } = pageNumberInput;
const baseHeight =
content.document.defaultView.getComputedStyle(pageNumberInput).height;
style.fontSize = "1px";
const height =
content.document.defaultView.getComputedStyle(pageNumberInput).height;
// Changing the font size should change the height of the input
// element. If the minimum font size is used, the height won't change.
Assert.notEqual(
baseHeight,
height,
"The pdf viewer musn't use the minimum font size."
);
});
await SpecialPowers.spawn(browser, [], async function () {
var viewer = content.wrappedJSObject.PDFViewerApplication;
await viewer.close();
});
}
);
});
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