gecko-dev/dom/indexedDB/test/unit/test_objectStore_remove_values.js

/**
 * Any copyright is dedicated to the Public Domain.
 * http://creativecommons.org/publicdomain/zero/1.0/
 */

var testGenerator = testSteps();

function* testSteps() {
  const name = this.window ? window.location.pathname : "Splendid Test";

  var data = [
    {
      name: "inline key; key generator",
      autoIncrement: true,
      storedObject: { name: "Lincoln" },
      keyName: "id",
      keyValue: undefined,
    },
    {
      name: "inline key; no key generator",
      autoIncrement: false,
      storedObject: { id: 1, name: "Lincoln" },
      keyName: "id",
      keyValue: undefined,
    },
    {
      name: "out of line key; key generator",
      autoIncrement: true,
      storedObject: { name: "Lincoln" },
      keyName: undefined,
      keyValue: undefined,
    },
    {
      name: "out of line key; no key generator",
      autoIncrement: false,
      storedObject: { name: "Lincoln" },
      keyName: null,
      keyValue: 1,
    },
  ];

  for (let i = 0; i < data.length; i++) {
    let test = data[i];

    let request = indexedDB.open(name, i + 1);
    request.onerror = errorHandler;
    request.onupgradeneeded = grabEventAndContinueHandler;
    request.onsuccess = grabEventAndContinueHandler;
    let event = yield undefined;

    let db = event.target.result;
    db.onversionchange = function(event) {
      event.target.close();
    };

    let objectStore = db.createObjectStore(test.name, {
      keyPath: test.keyName,
      autoIncrement: test.autoIncrement,
    });

    request = objectStore.add(test.storedObject, test.keyValue);
    request.onerror = errorHandler;
    request.onsuccess = grabEventAndContinueHandler;
    event = yield undefined;

    let id = event.target.result;
    request = objectStore.get(id);
    request.onerror = errorHandler;
    request.onsuccess = grabEventAndContinueHandler;
    event = yield undefined;

    // Sanity check!
    is(
      test.storedObject.name,
      event.target.result.name,
      "The correct object was stored."
    );

    request = objectStore.delete(id);
    request.onerror = errorHandler;
    request.onsuccess = grabEventAndContinueHandler;
    event = yield undefined;

    // Make sure it was removed.
    request = objectStore.get(id);
    request.onerror = errorHandler;
    request.onsuccess = grabEventAndContinueHandler;
    event = yield undefined;

    ok(event.target.result === undefined, "Object was deleted");

    // Wait for success
    yield undefined;
  }

  finishTest();
}