77 lines
2.6 KiB
JavaScript
77 lines
2.6 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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"use strict";
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// Test the basic functionality of async-storage.
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// Adapted from https://github.com/mozilla-b2g/gaia/blob/f09993563fb5fec4393eb71816ce76cb00463190/apps/sharedtest/test/unit/async_storage_test.js.
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const asyncStorage = require("devtools/shared/async-storage");
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add_task(function* () {
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is(typeof asyncStorage.length, "function", "API exists.");
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is(typeof asyncStorage.key, "function", "API exists.");
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is(typeof asyncStorage.getItem, "function", "API exists.");
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is(typeof asyncStorage.setItem, "function", "API exists.");
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is(typeof asyncStorage.removeItem, "function", "API exists.");
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is(typeof asyncStorage.clear, "function", "API exists.");
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});
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add_task(function* () {
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yield asyncStorage.setItem("foo", "bar");
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let value = yield asyncStorage.getItem("foo");
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is(value, "bar", "value is correct");
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yield asyncStorage.setItem("foo", "overwritten");
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value = yield asyncStorage.getItem("foo");
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is(value, "overwritten", "value is correct");
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yield asyncStorage.removeItem("foo");
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value = yield asyncStorage.getItem("foo");
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is(value, null, "value is correct");
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});
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add_task(function* () {
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var object = {
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x: 1,
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y: "foo",
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z: true
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};
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yield asyncStorage.setItem("myobj", object);
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let value = yield asyncStorage.getItem("myobj");
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is(object.x, value.x, "value is correct");
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is(object.y, value.y, "value is correct");
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is(object.z, value.z, "value is correct");
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yield asyncStorage.removeItem("myobj");
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value = yield asyncStorage.getItem("myobj");
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is(value, null, "value is correct");
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});
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add_task(function* () {
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yield asyncStorage.clear();
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let len = yield asyncStorage.length();
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is(len, 0, "length is correct");
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yield asyncStorage.setItem("key1", "value1");
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len = yield asyncStorage.length();
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is(len, 1, "length is correct");
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yield asyncStorage.setItem("key2", "value2");
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len = yield asyncStorage.length();
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is(len, 2, "length is correct");
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yield asyncStorage.setItem("key3", "value3");
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len = yield asyncStorage.length();
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is(len, 3, "length is correct");
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let key = yield asyncStorage.key(0);
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is(key, "key1", "key is correct");
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key = yield asyncStorage.key(1);
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is(key, "key2", "key is correct");
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key = yield asyncStorage.key(2);
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is(key, "key3", "key is correct");
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key = yield asyncStorage.key(3);
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is(key, null, "key is correct");
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yield asyncStorage.clear();
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key = yield asyncStorage.key(0);
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is(key, null, "key is correct");
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len = yield asyncStorage.length();
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is(len, 0, "length is correct");
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});
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