Quelle browser_bug670318.js Sprache: JAVA

/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */

/**
* Test for Bug 670318
*
* When LoadEntry() is called on a browser that has multiple duplicate history
* entries, history.index can end up out of range (>= history.count).
*/

const URL =
  "http://mochi.test:8888/browser/docshell/test/browser/file_bug670318.html";

add_task(async function test() {
  await BrowserTestUtils.withNewTab(
    { gBrowser, url: "about:blank" },
    async function (browser) {
      if (!SpecialPowers.Services.appinfo.sessionHistoryInParent) {
        await ContentTask.spawn(browser, URL, async function (URL) {
          let history = docShell.QueryInterface(
            Ci.nsIWebNavigation
          ).sessionHistory;
          let count = 0;

          let testDone = {};
          testDone.promise = new Promise(resolve => {
            testDone.resolve = resolve;
          });

          // Since listener implements nsISupportsWeakReference, we are
          // responsible for keeping it alive so that the GC doesn't clear
          // it before the test completes. We do this by anchoring the listener
          // to the message manager, and clearing it just before the test
          // completes.
          this._testListener = {
            owner: this,
            OnHistoryNewEntry(aNewURI) {
              info("OnHistoryNewEntry " + aNewURI.spec + ", " + count);
              if (aNewURI.spec == URL && 5 == ++count) {
                addEventListener(
                  "load",
                  function onLoad() {
                    Assert.ok(
                      history.index < history.count,
                      "history.index is valid"
                    );
                    testDone.resolve();
                  },
                  { capture: true, once: true }
                );

                history.legacySHistory.removeSHistoryListener(
                  this.owner._testListener
                );
                delete this.owner._testListener;
                this.owner = null;
                content.setTimeout(() => {
                  content.location.reload();
                }, 0);
              }
            },

            OnHistoryReload: () => true,
            OnHistoryGotoIndex: () => {},
            OnHistoryPurge: () => {},
            OnHistoryReplaceEntry: () => {
              // The initial load of about:blank causes a transient entry to be
              // created, so our first navigation to a real page is a replace
              // instead of a new entry.
              ++count;
            },

            QueryInterface: ChromeUtils.generateQI([
              "nsISHistoryListener",
              "nsISupportsWeakReference",
            ]),
          };

          history.legacySHistory.addSHistoryListener(this._testListener);
          content.location = URL;

          await testDone.promise;
        });

        return;
      }

      let history = browser.browsingContext.sessionHistory;
      let count = 0;

      let testDone = {};
      testDone.promise = new Promise(resolve => {
        testDone.resolve = resolve;
      });

      let listener = {
        async OnHistoryNewEntry(aNewURI) {
          if (aNewURI.spec == URL && 5 == ++count) {
            history.removeSHistoryListener(listener);
            await ContentTask.spawn(browser, null, () => {
              return new Promise(resolve => {
                addEventListener(
                  "load",
                  () => {
                    let history = docShell.QueryInterface(
                      Ci.nsIWebNavigation
                    ).sessionHistory;
                    Assert.ok(
                      history.index < history.count,
                      "history.index is valid"
                    );
                    resolve();
                  },
                  { capture: true, once: true }
                );

                content.location.reload();
              });
            });
            testDone.resolve();
          }
        },

        OnHistoryReload: () => true,
        OnHistoryGotoIndex: () => {},
        OnHistoryPurge: () => {},
        OnHistoryReplaceEntry: () => {
          // The initial load of about:blank causes a transient entry to be
          // created, so our first navigation to a real page is a replace
          // instead of a new entry.
          ++count;
        },

        QueryInterface: ChromeUtils.generateQI([
          "nsISHistoryListener",
          "nsISupportsWeakReference",
        ]),
      };

      history.addSHistoryListener(listener);
      BrowserTestUtils.startLoadingURIString(browser, URL);

      await testDone.promise;
    }
  );
});

quality100%

¤ Dauer der Verarbeitung: 0.1 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.