The Tor Browser: dom/indexedDB/test/unit/test_deleteDatabase.js@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /**

     2  * Any copyright is dedicated to the Public Domain.

     3  * http://creativecommons.org/publicdomain/zero/1.0/

     4  */

     6 var testGenerator = testSteps();

     8 function testSteps()

9 {

    10   const name = this.window ? window.location.pathname : "Splendid Test";

    12   ok(indexedDB.deleteDatabase, "deleteDatabase function should exist!");

    14   let request = indexedDB.open(name, 10);

    15   request.onerror = errorHandler;

    16   request.onsuccess = unexpectedSuccessHandler;

    17   request.onupgradeneeded = grabEventAndContinueHandler;

    19   ok(request instanceof IDBOpenDBRequest, "Expect an IDBOpenDBRequest");

    21   let event = yield undefined;

    23   is(event.type, "upgradeneeded", "Expect an upgradeneeded event");

    24   ok(event instanceof IDBVersionChangeEvent, "Expect a versionchange event");

    26   let db = event.target.result;

    27   db.createObjectStore("stuff");

    29   request.onsuccess = grabEventAndContinueHandler;

    31   event = yield undefined;

    33   is(event.type, "success", "Expect a success event");

    34   is(event.target, request, "Event has right target");

    35   ok(event.target.result instanceof IDBDatabase, "Result should be a database");

    36   is(db.objectStoreNames.length, 1, "Expect an objectStore here");

    38   let request = indexedDB.open(name, 10);

    39   request.onerror = errorHandler;

    40   request.onsuccess = grabEventAndContinueHandler;

    42   event = yield undefined;

    43   is(event.type, "success", "Expect a success event");

    44   is(event.target, request, "Event has right target");

    45   ok(event.target.result instanceof IDBDatabase, "Result should be a database");

    46   let db2 = event.target.result;

    47   is(db2.objectStoreNames.length, 1, "Expect an objectStore here");

    49   var onversionchangecalled = false;

    51   function closeDBs(event) {

    52     onversionchangecalled = true;

    53     ok(event instanceof IDBVersionChangeEvent, "expect a versionchange event");

    54     is(event.oldVersion, 10, "oldVersion should be 10");

    55     ok(event.newVersion === null, "newVersion should be null");

    56     ok(!(event.newVersion === undefined), "newVersion should be null");

    57     ok(!(event.newVersion === 0), "newVersion should be null");

    58     db.close();

    59     db2.close();

    60     db.onversionchange = unexpectedSuccessHandler;

    61     db2.onversionchange = unexpectedSuccessHandler;

    62   };

    64   // The IDB spec doesn't guarantee the order that onversionchange will fire

    65   // on the dbs.

    66   db.onversionchange = closeDBs;

    67   db2.onversionchange = closeDBs;

    69   let request = indexedDB.deleteDatabase(name);

    70   request.onerror = errorHandler;

    71   request.onsuccess = grabEventAndContinueHandler;

    73   ok(request instanceof IDBOpenDBRequest, "Expect an IDBOpenDBRequest");

    75   event = yield undefined;

    76   ok(onversionchangecalled, "Expected versionchange events");

    77   is(event.type, "success", "expect a success event");

    78   is(event.target, request, "event has right target");

    79   ok(event.target.result === undefined, "event should have no result");

    81   let request = indexedDB.open(name, 1);

    82   request.onerror = errorHandler;

    83   request.onsuccess = grabEventAndContinueHandler;

    85   event = yield undefined;

    86   is(event.target.result.version, 1, "DB has proper version");

    87   is(event.target.result.objectStoreNames.length, 0, "DB should have no object stores");

    90   let request = indexedDB.deleteDatabase("thisDatabaseHadBetterNotExist");

    91   request.onerror = errorHandler;

    92   request.onsuccess = grabEventAndContinueHandler;

    94   event = yield undefined;

    95   ok(true, "deleteDatabase on a non-existent database succeeded");

    97   let request = indexedDB.open("thisDatabaseHadBetterNotExist");

    98   request.onerror = errorHandler;

    99   request.onsuccess = grabEventAndContinueHandler;

   101   event = yield undefined;

   102   ok(true, "after deleting a non-existent database, open should work");

   104   finishTest();

   105   yield undefined;

   106 }

The Tor Browser / file revision