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/* 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");
});
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