Quelle browser_async_storage.js Sprache: JAVA

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

"use strict";

// Test the basic functionality of async-storage.
// Adapted from https://github.com/mozilla-b2g/gaia/blob/f09993563fb5fec4393eb71816ce76cb00463190/apps/sharedtest/test/unit/async_storage_test.js.

const asyncStorage = require("resource://devtools/shared/async-storage.js");
add_task(async function () {
  is(typeof asyncStorage.length, "function", "API exists.");
  is(typeof asyncStorage.key, "function", "API exists.");
  is(typeof asyncStorage.getItem, "function", "API exists.");
  is(typeof asyncStorage.setItem, "function", "API exists.");
  is(typeof asyncStorage.removeItem, "function", "API exists.");
  is(typeof asyncStorage.clear, "function", "API exists.");
});

add_task(async function () {
  await asyncStorage.setItem("foo", "bar");
  let value = await asyncStorage.getItem("foo");
  is(value, "bar", "value is correct");
  await asyncStorage.setItem("foo", "overwritten");
  value = await asyncStorage.getItem("foo");
  is(value, "overwritten", "value is correct");
  await asyncStorage.removeItem("foo");
  value = await asyncStorage.getItem("foo");
  is(value, null, "value is correct");
});

add_task(async function () {
  const object = {
    x: 1,
    y: "foo",
    z: true,
  };

  await asyncStorage.setItem("myobj", object);
  let value = await asyncStorage.getItem("myobj");
  is(object.x, value.x, "value is correct");
  is(object.y, value.y, "value is correct");
  is(object.z, value.z, "value is correct");
  await asyncStorage.removeItem("myobj");
  value = await asyncStorage.getItem("myobj");
  is(value, null, "value is correct");
});

add_task(async function () {
  await asyncStorage.clear();
  let len = await asyncStorage.length();
  is(len, 0, "length is correct");
  await asyncStorage.setItem("key1", "value1");
  len = await asyncStorage.length();
  is(len, 1, "length is correct");
  await asyncStorage.setItem("key2", "value2");
  len = await asyncStorage.length();
  is(len, 2, "length is correct");
  await asyncStorage.setItem("key3", "value3");
  len = await asyncStorage.length();
  is(len, 3, "length is correct");

  let key = await asyncStorage.key(0);
  is(key, "key1", "key is correct");
  key = await asyncStorage.key(1);
  is(key, "key2", "key is correct");
  key = await asyncStorage.key(2);
  is(key, "key3", "key is correct");
  key = await asyncStorage.key(3);
  is(key, null, "key is correct");
  await asyncStorage.clear();
  key = await asyncStorage.key(0);
  is(key, null, "key is correct");

  len = await asyncStorage.length();
  is(len, 0, "length is correct");
});

quality100%

¤ Dauer der Verarbeitung: 0.15 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.