Commit 8af8caa1 authored by Calixte's avatar Calixte
Browse files

Bug 1821408 - Add a test for testing SVG filters in pdf.js r=pdfjs-reviewers,emilio,marco 

SVG filters weren't working correctly because of a mismatch between filter URI
and document URI. The problem has been fixed in:
  https://github.com/mozilla/pdf.js/pull/16153
and here's the test.

Differential Revision: https://phabricator.services.mozilla.com/D172223
parent 41f63128

toolkit/components/pdfjs/test/browser.ini

+15 −12
Original line number Diff line number Diff line
@@ -3,13 +3,17 @@ support-files = 
  file_pdfjs_test.pdf

  head.js



[browser_pdfjs_hcm.js]

support-files =

  file_pdfjs_hcm.pdf

[browser_pdfjs_download_button.js]

[browser_pdfjs_editing_contextmenu.js]

skip-if = headless # the headless clipboard only recognizes unicode mime type

   os == "win" && os_version == "6.1" # Skip on Azure - frequent failure

[browser_pdfjs_editing_telemetry.js]

[browser_pdfjs_fill_login.js]

support-files =

  file_pdfjs_form.pdf

[browser_pdfjs_filters.js]

support-files =

  file_pdfjs_transfer_map.pdf

[browser_pdfjs_find.js]

support-files =

  file_pdfjs_object_stream.pdf
@@ -18,9 +22,14 @@ support-files = 
[browser_pdfjs_form.js]

support-files =

  file_pdfjs_form.pdf

[browser_pdfjs_fullscreen.js]

[browser_pdfjs_hcm.js]

support-files =

  file_pdfjs_hcm.pdf

[browser_pdfjs_js.js]

support-files =

  file_pdfjs_js.pdf

[browser_pdfjs_load_telemetry.js]

[browser_pdfjs_main.js]

[browser_pdfjs_navigation.js]

[browser_pdfjs_nonpdf_filename.js]
@@ -37,19 +46,13 @@ skip-if = os == 'linux' && bits == 64 # Bug 1773830 
support-files =

  file_pdfjs_object_stream.pdf

  file_pdfjs_object_stream.pdf^headers^

[browser_pdfjs_savedialog.js]

skip-if = verify

[browser_pdfjs_saveas.js]

support-files =

  !/toolkit/content/tests/browser/common/mockTransfer.js

  file_pdf_download_link.html

[browser_pdfjs_savedialog.js]

skip-if = verify

[browser_pdfjs_secondary_toolbar_telemetry.js]

[browser_pdfjs_views.js]

[browser_pdfjs_zoom.js]

skip-if = (verify && debug && (os == 'win'))
 
[browser_pdfjs_editing_contextmenu.js]

skip-if = headless # the headless clipboard only recognizes unicode mime type

   os == "win" && os_version == "6.1" # Skip on Azure - frequent failure

[browser_pdfjs_editing_telemetry.js]

[browser_pdfjs_secondary_toolbar_telemetry.js]

[browser_pdfjs_fullscreen.js]

[browser_pdfjs_load_telemetry.js]
 
 No newline at end of file

toolkit/components/pdfjs/test/browser_pdfjs_filters.js

0 → 100644
+81 −0
Original line number Diff line number Diff line 
/* 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;



/**

 * Get the number of red pixels in the canvas.

 * @param {Object} browser

 * @returns {Object}

 */

async function getRedPixels(browser) {

  return SpecialPowers.spawn(browser, [], async function() {

    const { document } = content;

    const canvas = document.querySelector("canvas");



    Assert.ok(!!canvas, "We must have a canvas");



    const data = canvas

      .getContext("2d")

      .getImageData(0, 0, canvas.width, canvas.height).data;



    let redPixels = 0;

    let total = 0;



    for (let i = 0, ii = data.length; i < ii; i += 4) {

      const R = data[i];

      const G = data[i + 1];

      const B = data[i + 2];



      if (R > 128 && R > 4 * G && R > 4 * B) {

        redPixels += 1;

      }

      total += 1;

    }



    return [redPixels, total];

  });

}



/**

 * Test that the pdf has the correct color thanks to the SVG filters.

 */

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 BrowserTestUtils.withNewTab(

    { gBrowser, url: "about:blank" },

    async function(browser) {

      // check that PDF is opened with internal viewer

      await waitForPdfJSCanvas(

        browser,

        `${TESTROOT}file_pdfjs_transfer_map.pdf#zoom=100`

      );



      const [redPixels, total] = await getRedPixels(browser);

      Assert.ok(

        redPixels / total >= 0.1,

        `Not enough red pixels: only ${redPixels} / ${total} red pixels!`

      );

    }

  );

});

toolkit/components/pdfjs/test/file_pdfjs_transfer_map.pdf

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+60.9 KiB

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