tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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browser_chromeutils_isdomobject.js (2707B)

      1 "use strict";
      2 
      3 add_task(async function invalidArgument() {
      4  const args = [undefined, null, 42, "foo"];
      5 
      6  for (const argument of args) {
      7    let hadException = false;
      8    try {
      9      ChromeUtils.isDOMObject(argument);
     10    } catch (ex) {
     11      hadException = true;
     12    }
     13    ok(hadException, "Should have got an exception!");
     14  }
     15 });
     16 
     17 add_task(async function NoUnwrap() {
     18  const args = [
     19    window.document,
     20    window.document.childNodes,
     21    new DocumentFragment(),
     22    new Response(),
     23    new URL("https://example.com"),
     24  ];
     25 
     26  for (const argument of args) {
     27    ok(
     28      ChromeUtils.isDOMObject(argument, false),
     29      `${ChromeUtils.getClassName(
     30        argument
     31      )} to be a DOM object with unwrap=false`
     32    );
     33  }
     34 
     35  ok(
     36    !ChromeUtils.isDOMObject(window, false),
     37    `${ChromeUtils.getClassName(
     38      window
     39    )} not to be a DOM object with unwrap=false`
     40  );
     41 });
     42 
     43 add_task(async function DOMObjects() {
     44  const args = [
     45    window,
     46    window.document,
     47    window.document.childNodes,
     48    new DocumentFragment(),
     49    new Response(),
     50    new URL("https://example.com"),
     51  ];
     52 
     53  for (const argument of args) {
     54    ok(
     55      ChromeUtils.isDOMObject(argument),
     56      `${ChromeUtils.getClassName(argument)} to be a DOM object`
     57    );
     58  }
     59 });
     60 
     61 add_task(async function nonDOMObjects() {
     62  const args = [new Object(), {}, []];
     63 
     64  for (const argument of args) {
     65    ok(
     66      !ChromeUtils.isDOMObject(argument),
     67      `${ChromeUtils.getClassName(argument)} not to be a DOM object`
     68    );
     69  }
     70 });
     71 
     72 add_task(async function DOMObjects_contentProcess() {
     73  await BrowserTestUtils.withNewTab(
     74    {
     75      gBrowser,
     76      url: `data:text/html,<div>`,
     77    },
     78    async function (browser) {
     79      await SpecialPowers.spawn(browser, [], async () => {
     80        const args = [
     81          content,
     82          content.document,
     83          content.document.querySelector("div"),
     84          content.document.childNodes,
     85          new content.DocumentFragment(),
     86          new content.URL("https://example.com"),
     87        ];
     88 
     89        for (const argument of args) {
     90          ok(
     91            ChromeUtils.isDOMObject(argument),
     92            `${ChromeUtils.getClassName(
     93              argument
     94            )} in content to be a DOM object`
     95          );
     96        }
     97 
     98        ok(
     99          !ChromeUtils.isDOMObject({}),
    100          `${ChromeUtils.getClassName({})} in content not to be a DOM object`
    101        );
    102 
    103        // unwrap=false
    104        for (const argument of args) {
    105          ok(
    106            !ChromeUtils.isDOMObject(argument, false),
    107            `${ChromeUtils.getClassName(
    108              argument
    109            )} in content not to be a DOM object with unwrap=false`
    110          );
    111        }
    112      });
    113    }
    114  );
    115 });