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 indexName = "My Test Index";

    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("test store", { keyPath: "foo" });

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

    23   is(db.objectStoreNames.item(0), objectStore.name, "Correct name");

    25   is(objectStore.indexNames.length, 0, "Correct indexNames list");

    27   let index = objectStore.createIndex(indexName, "foo");

    29   is(objectStore.indexNames.length, 1, "Correct indexNames list");

    30   is(objectStore.indexNames.item(0), indexName, "Correct name");

    31   is(objectStore.index(indexName), index, "Correct instance");

    33   objectStore.deleteIndex(indexName);

    35   is(objectStore.indexNames.length, 0, "Correct indexNames list");

    36   try {

    37     objectStore.index(indexName);

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

    39   }

    40   catch(ex) {

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

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

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

    44   }

    46   let index2 = objectStore.createIndex(indexName, "foo");

    47   isnot(index, index2, "New instance should be created");

    49   is(objectStore.indexNames.length, 1, "Correct recreacted indexNames list");

    50   is(objectStore.indexNames.item(0), indexName, "Correct recreacted name");

    51   is(objectStore.index(indexName), index2, "Correct instance");

    53   finishTest();

    54   yield undefined;

    55 }

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