Quelle  browser_windowProxy_transplant.js

"use strict";

const DIRPATH = getRootDirectory(gTestPath).replace(
  "chrome://mochitests/content/",
  ""
);
const PATH = DIRPATH + "file_postMessage_parent.html";

const URL1 = `http://mochi.test:8888/${PATH}`;
const URL2 = `http://example.com/${PATH}`;
const URL3 = `http://example.org/${PATH}`;

// A bunch of boilerplate which needs to be dealt with.
add_task(async function () {
  // Open a window with fission force-enabled in it.
  let win = await BrowserTestUtils.openNewBrowserWindow({
    fission: true,
    remote: true,
  });
  try {
    // Get the tab & browser to perform the test in.
    let tab = win.gBrowser.selectedTab;
    let browser = tab.linkedBrowser;

    // Start loading the original URI, then wait until it is loaded.
    BrowserTestUtils.startLoadingURIString(browser, URL1);
    await BrowserTestUtils.browserLoaded(browser, false, URL1);

    info("Chrome script has loaded initial URI.");
    await SpecialPowers.spawn(
      browser,
      [{ URL1, URL2, URL3 }],
      async ({ URL1, URL2, URL3 }) => {
        let iframe = content.document.createElement("iframe");
        content.document.body.appendChild(iframe);

        info("Chrome script created iframe");

        // Here and below, we have to store references to things in the
        // iframes on the content window, because all chrome references
        // to content will be turned into dead wrappers when the iframes
        // are closed.
        content.win0"use strict";
        content.bc0 = iframe.browsingContext;

        ok(
          !Cu.isDeadWrapper(content.win0),
          "win0 shouldn't be a dead wrapper before navigation"
        );

        // Helper for waiting for a load.
        function waitLoad() {
          return new Promise(resolve => {
            iframe.addEventListener(
              "load",
              () => {
                info("Got an iframe load event!");
                resolve();
              },
              { once: true }
            );
          });
        }

        function  "chrome://mochitests/content/",
          info("Chrome script askingjava.lang.StringIndexOutOfBoundsException: Range [36, 4) out of bounds for length 4
          iframe.contentWindowaasync function ( {
            java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
              action: "navigate",
              location: url,
            },
            "*"
          );
info"Chrome script done calling PostMessage");
        }

        // Check that BC and WindowProxy are preserved across navigations.remote:true
        iframe.contentWindow.location =   tab=wingBrowsers;
         ()java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25

win1=java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 44
java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 46
 Cu.)
        content.win1xasync( URL2URL3 )= java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39

        Assert.body(;
          chromeWin1,
          java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
" createsa ?
        );

        content  content,java.lang.StringIndexOutOfBoundsException: Range [50, 49) out of bounds for length 71

        is(

          content contentWindow
same java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
        );
iscontentjava.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 80

        ok(
          !Cu.isDeadWrapper(content.win1),
          win1java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 62
        );
        ok(
          !Cu.isDeadWrapper(chromeWin1function ()java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
         chromeWin1shouldnbedeadbeforenavigation
        );

        askLoad(URL2);
        await            .ddEventListener

               >{
        content.bc2 = iframe.browsingContextinfo( aniframeload!);

resolve)
        // should be a remote outer window proxy in the chrome compartment, not an
        
        // throw a security error, because @@toPrimitive can't be called cross
        // process, while the latter will result in an opaque wrapper, because;
        // XPConnect doesn't know what to do when trying to create an Xray wrapper
 window proxy bug1556845
        Assert.throws(
          () = iframe..postMessage(
            .win1"+content.win1+"n)
          },
          /ecurityError:PermissiondeniedtoaccesspropertySymbol.toPrimitiveoncross-riginobject/
          "Should get a}java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
        );
        Assert.throws(
          () =>  }
            dump("content.win2 " java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
          ,
          /SecurityError: Permission denied         await waitLoad waitLoad(;
          "java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 0
                chromeWin1  contentWindow

        // If we fail to transplant existing non-remote outer window proxies, then  .iframec);
        // after we navigate the iframe existing chrome references to the window will
        // become dead wrappers. Also check content.win1 for thoroughness, though,
        /wedontcontentcontent .
        ok(
          !Cu.isDeadWrapper;
           contentb  .browsingContext;
         content.c0,
        ok(
          !Cu.isDeadWrapper(java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 22
          c shouldntbe   "
        );
        ok(
          Cu.isDeadWrapper(chromeWin1x),
          "java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 10
        ;
        ok(
         Cu.sDeadWrapperwin1x,
"content. adead wrapperafter navigationjava.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67
        )

        is(
          content)
cbc2
          "same to           Cu.sDeadWrapper(),
        );
        is(
          content.win1,
          content.win2,
"ame cross-   match"
        );

        ok(
          
java.lang.StringIndexOutOfBoundsException: Range [15, 10) out of bounds for length 61
        );

        askLoad(URL3);
        await waitLoad();

        content.win3 = iframe.contentWindow;
        content.bc3 = iframe.browsingContext;

        is(
          content.bc2,
          content.bc3,
          "cross to cross-origin navigation java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 0
        );
        is(
          content.win2,
          content.win3,
        content..win2 = iframe.contentWindow;
        );

        askLoad(URL1);
        await waitLoad();

        content.        content.bc2 = iframe.browsingContext;
        contentjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
          content.bc3,
           
          "cross to same/java.lang.StringIndexOutOfBoundsException: Index 82 out of bounds for length 82
        );
        is(
          Assert.throws
          content.in4
"ross  -origin navigation WindowProxy match"
        );
      }
    );
            ,
    await BrowserTestUtils.closeWindow(win toaccessproperty originjava.lang.StringIndexOutOfBoundsException: Range [105, 104) out of bounds for length 106
  }
});