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

     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 entryCount = 1000;

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

    14   request.onerror = errorHandler;

    15   request.onupgradeneeded = grabEventAndContinueHandler;

    16   let event = yield undefined;

    18   let db = request.result;

    20   event.target.onsuccess = continueToNextStep;

    22   let objectStore = db.createObjectStore("foo", { autoIncrement: true });

    24   let firstKey;

    25   for (let i = 0; i < entryCount; i++) {

    26     request = objectStore.add({});

    27     request.onerror = errorHandler;

    28     if (!i) {

    29       request.onsuccess = function(event) {

    30         firstKey = event.target.result;

    31       };

    32     }

    33   }

    34   yield undefined;

    36   isnot(firstKey, undefined, "got first key");

    38   let seenEntryCount = 0;

    40   request = db.transaction("foo").objectStore("foo").openCursor();

    41   request.onerror = errorHandler;

    42   request.onsuccess = function(event) {

    43     let cursor = event.target.result;

    44     if (cursor) {

    45       seenEntryCount++;

    46       cursor.continue();

    47     }

    48     else {

    49       continueToNextStep();

    50     }

    51   }

    52   yield undefined;

    54   is(seenEntryCount, entryCount, "Correct entry count");

    56   try {

    57     db.transaction("foo").objectStore("foo").clear();

    58     ok(false, "clear should throw on READ_ONLY transactions");

    59   }

    60   catch (e) {

    61     ok(true, "clear should throw on READ_ONLY transactions");

    62   }

    64   request = db.transaction("foo", "readwrite").objectStore("foo").clear();

    65   request.onerror = errorHandler;

    66   request.onsuccess = grabEventAndContinueHandler;

    67   event = yield undefined;

    69   ok(event.target.result === undefined, "Correct event.target.result");

    70   ok(request.result === undefined, "Correct request.result");

    71   ok(request === event.target, "Correct event.target");

    73   request = db.transaction("foo").objectStore("foo").openCursor();

    74   request.onerror = errorHandler;

    75   request.onsuccess = function(event) {

    76     let cursor = request.result;

    77     if (cursor) {

    78       ok(false, "Shouldn't have any entries");

    79     }

    80     continueToNextStep();

    81   }

    82   yield undefined;

    84   request = db.transaction("foo", "readwrite").objectStore("foo").add({});

    85   request.onerror = errorHandler;

    86   request.onsuccess = grabEventAndContinueHandler;

    87   event = yield undefined;

    89   isnot(event.target.result, firstKey, "Got a different key");

    91   finishTest();

    92   yield undefined;

    93 }

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