The Tor Browser: dom/indexedDB/test/unit/test_overlapping

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";

    11   const objectStores = [ "foo", "bar" ];

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

    14   request.onerror = errorHandler;

    15   request.onupgradeneeded = grabEventAndContinueHandler;

    16   let event = yield undefined;

    18   let db = event.target.result;

    19   is(db.objectStoreNames.length, 0, "Correct objectStoreNames list");

    21   event.target.onsuccess = grabEventAndContinueHandler;

    22   for (let i in objectStores) {

    23     db.createObjectStore(objectStores[i], { autoIncrement: true });

    24   }

    25   let event = yield undefined;

    27   is(db.objectStoreNames.length, objectStores.length,

    28      "Correct objectStoreNames list");

    30   for (let i = 0; i < 50; i++) {

    31     let stepNumber = 0;

    33     request = db.transaction(["foo"], "readwrite")

    34                 .objectStore("foo")

    35                 .add({});

    36     request.onerror = errorHandler;

    37     request.onsuccess = function(event) {

    38       is(stepNumber, 1, "This callback came first");

    39       stepNumber++;

    40       event.target.transaction.oncomplete = grabEventAndContinueHandler;

    41     }

    43     request = db.transaction(["foo"], "readwrite")

    44                 .objectStore("foo")

    45                 .add({});

    46     request.onerror = errorHandler;

    47     request.onsuccess = function(event) {

    48       is(stepNumber, 2, "This callback came second");

    49       stepNumber++;

    50       event.target.transaction.oncomplete = grabEventAndContinueHandler;

    51     }

    53     request = db.transaction(["foo", "bar"], "readwrite")

    54                 .objectStore("bar")

    55                 .add({});

    56     request.onerror = errorHandler;

    57     request.onsuccess = function(event) {

    58       is(stepNumber, 3, "This callback came third");

    59       stepNumber++;

    60       event.target.transaction.oncomplete = grabEventAndContinueHandler;

    61     }

    63     request = db.transaction(["foo", "bar"], "readwrite")

    64                 .objectStore("bar")

    65                 .add({});

    66     request.onerror = errorHandler;

    67     request.onsuccess = function(event) {

    68       is(stepNumber, 4, "This callback came fourth");

    69       stepNumber++;

    70       event.target.transaction.oncomplete = grabEventAndContinueHandler;

    71     }

    73     request = db.transaction(["bar"], "readwrite")

    74                 .objectStore("bar")

    75                 .add({});

    76     request.onerror = errorHandler;

    77     request.onsuccess = function(event) {

    78       is(stepNumber, 5, "This callback came fifth");

    79       stepNumber++;

    80       event.target.transaction.oncomplete = grabEventAndContinueHandler;

    81     }

    83     stepNumber++;

    84     yield undefined; yield undefined; yield undefined; yield undefined; yield undefined;

    86     is(stepNumber, 6, "All callbacks received");

    87   }

    89   finishTest();

    90   yield undefined;

    91 }

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