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

     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 objectStoreData = [

    11     // This one will be removed.

    12     { ss: "237-23-7732", name: "Bob" },

    14     // These will always be included.

    15     { ss: "237-23-7733", name: "Ann" },

    16     { ss: "237-23-7734", name: "Ron" },

    17     { ss: "237-23-7735", name: "Sue" },

    18     { ss: "237-23-7736", name: "Joe" },

    20     // This one will be added.

    21     { ss: "237-23-7737", name: "Pat" }

    22   ];

    24   // Post-add and post-remove data ordered by name.

    25   const objectStoreDataNameSort = [ 1, 4, 5, 2, 3 ];

    27   let request = indexedDB.open(this.window ? window.location.pathname : "Splendid Test", 1);

    28   request.onerror = errorHandler;

    29   request.onupgradeneeded = grabEventAndContinueHandler;

    30   let event = yield undefined;

    32   let db = event.target.result;

    33   event.target.onsuccess = continueToNextStep;

    35   let objectStore = db.createObjectStore("foo", { keyPath: "ss" });

    36   objectStore.createIndex("name", "name", { unique: true });

    38   for (let i = 0; i < objectStoreData.length - 1; i++) {

    39     objectStore.add(objectStoreData[i]);

    40   }

    41   yield undefined;

    43   let count = 0;

    45   let sawAdded = false;

    46   let sawRemoved = false;

    48   db.transaction("foo").objectStore("foo").openCursor().onsuccess =

    49     function(event) {

    50       event.target.transaction.oncomplete = continueToNextStep;

    51       let cursor = event.target.result;

    52       if (cursor) {

    53         if (cursor.value.name == objectStoreData[0].name) {

    54           sawRemoved = true;

    55         }

    56         if (cursor.value.name ==

    57             objectStoreData[objectStoreData.length - 1].name) {

    58           sawAdded = true;

    59         }

    60         cursor.continue();

    61         count++;

    62       }

    63     };

    64   yield undefined;

    66   is(count, objectStoreData.length - 1, "Good initial count");

    67   is(sawAdded, false, "Didn't see item that is about to be added");

    68   is(sawRemoved, true, "Saw item that is about to be removed");

    70   count = 0;

    71   sawAdded = false;

    72   sawRemoved = false;

    74   db.transaction("foo", "readwrite").objectStore("foo")

    75     .index("name").openCursor().onsuccess = function(event) {

    76       event.target.transaction.oncomplete = continueToNextStep;

    77       let cursor = event.target.result;

    78       if (cursor) {

    79         if (cursor.value.name == objectStoreData[0].name) {

    80           sawRemoved = true;

    81         }

    82         if (cursor.value.name ==

    83             objectStoreData[objectStoreData.length - 1].name) {

    84           sawAdded = true;

    85         }

    87         is(cursor.value.name,

    88            objectStoreData[objectStoreDataNameSort[count++]].name,

    89            "Correct name");

    91         if (count == 1) {

    92           let objectStore = event.target.transaction.objectStore("foo");

    93           objectStore.delete(objectStoreData[0].ss)

    94                      .onsuccess = function(event) {

    95             objectStore.add(objectStoreData[objectStoreData.length - 1])

    96                        .onsuccess =

    97               function(event) {

    98                 cursor.continue();

    99               };

   100           };

   101         }

   102         else {

   103           cursor.continue();

   104         }

   105       }

   106     };

   107   yield undefined;

   109   is(count, objectStoreData.length - 1, "Good final count");

   110   is(sawAdded, true, "Saw item that was added");

   111   is(sawRemoved, false, "Didn't see item that was removed");

   113   finishTest();

   115   objectStore = null; // Bug 943409 workaround.

   117   yield undefined;

   118 }

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