test_transaction_lifetimes.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() {

  let request = indexedDB.open(

    this.window ? window.location.pathname : "Splendid Test",

);

  request.onerror = errorHandler;

  request.onupgradeneeded = grabEventAndContinueHandler;

  request.onsuccess = unexpectedSuccessHandler;

  let event = yield undefined;

  let db = event.target.result;

  db.onerror = errorHandler;

  event.target.transaction.onerror = errorHandler;

  event.target.transaction.oncomplete = grabEventAndContinueHandler;

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

  os.createIndex("bar", "foo.bar");

  event = yield undefined;

is(

    request.transaction,

    event.target,

    "request.transaction should still be set"

);

  request.onsuccess = grabEventAndContinueHandler;

  event = yield undefined;

  is(request.transaction, null, "request.transaction should be cleared");

  let transaction = db.transaction("foo", "readwrite");

  os = transaction.objectStore("foo");

  // Place a request to keep the transaction alive long enough for our

  // executeSoon.

  let requestComplete = false;

  let wasAbleToGrabObjectStoreOutsideOfCallback = false;

  let wasAbleToGrabIndexOutsideOfCallback = false;

  executeSoon(function () {

    ok(!requestComplete, "Ordering is correct.");

    wasAbleToGrabObjectStoreOutsideOfCallback =

      !!transaction.objectStore("foo");

    wasAbleToGrabIndexOutsideOfCallback = !!transaction

      .objectStore("foo")

      .index("bar");

});

  request = os.add({});

  request.onerror = errorHandler;

  request.onsuccess = grabEventAndContinueHandler;

  event = yield undefined;

  requestComplete = true;

ok(

    wasAbleToGrabObjectStoreOutsideOfCallback,

    "Should be able to get objectStore"

);

  ok(wasAbleToGrabIndexOutsideOfCallback, "Should be able to get index");

  transaction.oncomplete = grabEventAndContinueHandler;

  yield undefined;

  try {

    transaction.objectStore("foo");

    ok(false, "Should have thrown!");

  } catch (e) {

    ok(e instanceof DOMException, "Got database exception.");

    is(e.name, "InvalidStateError", "Good error.");

    is(e.code, DOMException.INVALID_STATE_ERR, "Good error code.");

  continueToNextStep();

  yield undefined;

  try {

    transaction.objectStore("foo");

    ok(false, "Should have thrown!");

  } catch (e) {

    ok(e instanceof DOMException, "Got database exception.");

    is(e.name, "InvalidStateError", "Good error.");

    is(e.code, DOMException.INVALID_STATE_ERR, "Good error code.");

  finishTest();