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

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 objectStoreName = "Objects";

    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   let objectStore = db.createObjectStore(objectStoreName,

    22                                          { keyPath: "foo" });

    24   let addedCount = 0;

    26   for (let i = 0; i < 100; i++) {

    27     request = objectStore.add({foo: i});

    28     request.onerror = errorHandler;

    29     request.onsuccess = function(event) {

    30       if (++addedCount == 100) {

    31         executeSoon(function() { testGenerator.next(); });

    32       }

    33     }

    34   }

    35   yield undefined;

    37   is(db.objectStoreNames.length, 1, "Correct objectStoreNames list");

    38   is(db.objectStoreNames.item(0), objectStoreName, "Correct name");

    40   db.close();

    42   let request = indexedDB.open(name, 2);

    43   request.onerror = errorHandler;

    44   request.onupgradeneeded = grabEventAndContinueHandler;

    45   let event = yield undefined;

    47   let db = event.target.result;

    48   let trans = event.target.transaction;

    50   let oldObjectStore = trans.objectStore(objectStoreName);

    51   isnot(oldObjectStore, null, "Correct object store prior to deleting");

    52   db.deleteObjectStore(objectStoreName);

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

    54   try {

    55     trans.objectStore(objectStoreName);

    56     ok(false, "should have thrown");

    57   }

    58   catch(ex) {

    59     ok(ex instanceof DOMException, "Got a DOMException");

    60     is(ex.name, "NotFoundError", "expect a NotFoundError");

    61     is(ex.code, DOMException.NOT_FOUND_ERR, "expect a NOT_FOUND_ERR");

    62   }

    64   objectStore = db.createObjectStore(objectStoreName, { keyPath: "foo" });

    65   is(db.objectStoreNames.length, 1, "Correct objectStoreNames list");

    66   is(db.objectStoreNames.item(0), objectStoreName, "Correct name");

    67   is(trans.objectStore(objectStoreName), objectStore, "Correct new objectStore");

    68   isnot(oldObjectStore, objectStore, "Old objectStore is not new objectStore");

    70   request = objectStore.openCursor();

    71   request.onerror = errorHandler;

    72   request.onsuccess = function(event) {

    73     is(event.target.result, undefined, "ObjectStore shouldn't have any items");

    74     testGenerator.send(event);

    75   }

    76   event = yield undefined;

    78   db.deleteObjectStore(objectStore.name);

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

    81   continueToNextStep();

    82   yield undefined;

    84   db.close();

    86   let request = indexedDB.open(name, 3);

    87   request.onerror = errorHandler;

    88   request.onupgradeneeded = grabEventAndContinueHandler;

    89   let event = yield undefined;

    91   let db = event.target.result;

    93   objectStore = db.createObjectStore(objectStoreName, { keyPath: "foo" });

    95   request = objectStore.add({foo:"bar"});

    96   request.onerror = errorHandler;

    97   request.onsuccess = grabEventAndContinueHandler;

    99   db.deleteObjectStore(objectStoreName);

   101   event = yield undefined;

   103   finishTest();

   104   yield undefined;

   105 }

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