browser_pdfjs_js.js

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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 = "http://example.com/browser/" + RELATIVE_DIR;

// Test js in pdf file.

add_task(async function test_js_sandbox() {

  await BrowserTestUtils.withNewTab(

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

    async function (browser) {

      await SpecialPowers.pushPrefEnv({

        set: [["pdfjs.enableScripting", true]],

});

      await Promise.all([

        waitForPdfJSAnnotationLayer(browser, TESTROOT + "file_pdfjs_js.pdf"),

        waitForPdfJSSandbox(browser),

]);

      await SpecialPowers.spawn(browser, [], async () => {

        const { PdfSandbox } = ChromeUtils.importESModule(

          "resource://pdf.js/PdfSandbox.sys.mjs"

);

        let sandboxDestroyCount = 0;

        const originalDestroy = PdfSandbox.prototype.destroy;

        PdfSandbox.prototype.destroy = function () {

          const obj = this.sandbox.eval("({})");

          originalDestroy.apply(this, arguments);

          sandboxDestroyCount++;

          ok(Cu.isDeadWrapper(obj), "Sandbox must have been nuked");

};

        const document = content.document;

        const button = document.querySelector("[data-annotation-id='16R'] a");

        button.dispatchEvent(new content.Event("click"));

        const text = document.querySelector(`[data-element-id="15R"]`);

        is(text.value, "test", "Text field must containt 'test' string");

        content.addEventListener("unload", () => {

          is(sandboxDestroyCount, 1, "Sandbox must have been destroyed");

});

});

      await waitForPdfJSClose(browser);

      await SpecialPowers.popPrefEnv();

);

});