test_remove_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 indexName = "My Test Index";

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

  request.onerror = errorHandler;

  request.onupgradeneeded = grabEventAndContinueHandler;

  let event = yield undefined;

  let db = event.target.result;

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

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

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

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

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

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

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

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

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

  objectStore.deleteIndex(indexName);

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

  try {

    objectStore.index(indexName);

    ok(false, "should have thrown");

  } catch (ex) {

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

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

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

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

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

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

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

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

  event.target.transaction.oncomplete = grabEventAndContinueHandler;

  event = yield undefined;

  finishTest();