105 lines
2.8 KiB
JavaScript
105 lines
2.8 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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* http://creativecommons.org/publicdomain/zero/1.0/ */
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const RELATIVE_DIR = "toolkit/components/pdfjs/test/";
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const TESTROOT = "http://example.com/browser/" + RELATIVE_DIR;
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/**
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* Get the first and last pixels on the drawn canvas.
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* @param {Object} browser
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* @returns {Object}
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*/
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async function getFirstLastPixels(browser) {
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return SpecialPowers.spawn(browser, [], async function () {
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const { document } = content;
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const canvas = document.querySelector("canvas");
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Assert.ok(!!canvas, "We must have a canvas");
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const data = Array.from(
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canvas.getContext("2d").getImageData(0, 0, canvas.width, canvas.height)
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.data
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);
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return {
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first: data.slice(0, 3),
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last: data.slice(-4, -1),
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};
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});
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}
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/**
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* Test that the pdf has the correct color depending on the high contrast mode.
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*/
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add_task(async function test() {
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let mimeService = Cc["@mozilla.org/mime;1"].getService(Ci.nsIMIMEService);
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let handlerInfo = mimeService.getFromTypeAndExtension(
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"application/pdf",
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"pdf"
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);
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// Make sure pdf.js is the default handler.
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is(
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handlerInfo.alwaysAskBeforeHandling,
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false,
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"pdf handler defaults to always-ask is false"
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);
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is(
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handlerInfo.preferredAction,
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Ci.nsIHandlerInfo.handleInternally,
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"pdf handler defaults to internal"
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);
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info("Pref action: " + handlerInfo.preferredAction);
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await BrowserTestUtils.withNewTab(
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{ gBrowser, url: "about:blank" },
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async function (browser) {
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// check that PDF is opened with internal viewer
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await waitForPdfJSCanvas(
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browser,
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`${TESTROOT}file_pdfjs_hcm.pdf#zoom=800`
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);
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const { first, last } = await getFirstLastPixels(browser);
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// The first pixel must be black and not green.
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Assert.deepEqual(first, [0, 0, 0]);
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// The last pixel must be white and not red.
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Assert.deepEqual(last, [255, 255, 255]);
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await waitForPdfJSClose(browser);
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}
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);
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// Force on custom HCM.
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await SpecialPowers.pushPrefEnv({
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set: [
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["browser.display.background_color", "#ff0000"],
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["browser.display.foreground_color", "#00ff00"],
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["browser.display.document_color_use", 2],
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],
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});
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await BrowserTestUtils.withNewTab(
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{ gBrowser, url: "about:blank" },
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async function (browser) {
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// check that PDF is opened with internal viewer
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await waitForPdfJSCanvas(
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browser,
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`${TESTROOT}file_pdfjs_hcm.pdf#zoom=800`
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);
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const { first, last } = await getFirstLastPixels(browser);
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// The first pixel must be green.
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Assert.deepEqual(first, [0, 255, 0]);
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// The last pixel must be red.
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Assert.deepEqual(last, [255, 0, 0]);
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await waitForPdfJSClose(browser);
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}
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);
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await SpecialPowers.popPrefEnv();
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});
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