test_abort_deleted_index.js

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/**

 * Any copyright is dedicated to the Public Domain.

 * http://creativecommons.org/publicdomain/zero/1.0/

*/

/* exported testGenerator */

var testGenerator = testSteps();

function* testSteps() {

  const name = this.window ? window.location.pathname : "Splendid Test";

  const storeName = "test store";

  const indexName_ToBeDeleted = "test index to be deleted";

  info("Create index in v1.");

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

  request.onerror = errorHandler;

  request.onupgradeneeded = grabEventAndContinueHandler;

  request.onsuccess = unexpectedSuccessHandler;

  let event = yield undefined;

  let db = event.target.result;

  let txn = event.target.transaction;

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

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

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

is(

    db.objectStoreNames.item(0),

    objectStore.name,

    "Correct object store name"

);

  // create index to be deleted later in v2.

  objectStore.createIndex(indexName_ToBeDeleted, "foo");

  ok(objectStore.index(indexName_ToBeDeleted), "Index created.");

  txn.oncomplete = continueToNextStepSync;

  yield undefined;

  request.onsuccess = continueToNextStep;

  yield undefined;

  db.close();

  info("Delete index in v2.");

  request = indexedDB.open(name, 2);

  request.onerror = errorHandler;

  request.onupgradeneeded = grabEventAndContinueHandler;

  request.onsuccess = unexpectedSuccessHandler;

  event = yield undefined;

  db = event.target.result;

  txn = event.target.transaction;

  objectStore = txn.objectStore(storeName);

  let index = objectStore.index(indexName_ToBeDeleted);

  ok(index, "index is valid.");

  objectStore.deleteIndex(indexName_ToBeDeleted);

  // Aborting the transaction.

  request.onerror = expectedErrorHandler("AbortError");

  txn.abort();

  try {

    index.get("foo");

ok(

      false,

      "TransactionInactiveError shall be thrown right after a deletion of an index is aborted."

);

  } catch (e) {

    ok(e instanceof DOMException, "got a database exception");

is(

      e.name,

      "TransactionInactiveError",

      "TransactionInactiveError shall be thrown right after a deletion of an index is aborted."

);

  yield undefined;

  try {

    index.get("foo");

ok(

      false,

      "TransactionInactiveError shall be thrown after the transaction is inactive."

);

  } catch (e) {

    ok(e instanceof DOMException, "got a database exception");

is(

      e.name,

      "TransactionInactiveError",

      "TransactionInactiveError shall be thrown after the transaction is inactive."

);

  finishTest();