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-rw-r--r--devtools/shared/tests/browser/browser_async_storage.js77
1 files changed, 77 insertions, 0 deletions
diff --git a/devtools/shared/tests/browser/browser_async_storage.js b/devtools/shared/tests/browser/browser_async_storage.js
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+++ b/devtools/shared/tests/browser/browser_async_storage.js
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+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* 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("devtools/shared/async-storage");
+add_task(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(function* () {
+ yield asyncStorage.setItem("foo", "bar");
+ let value = yield asyncStorage.getItem("foo");
+ is(value, "bar", "value is correct");
+ yield asyncStorage.setItem("foo", "overwritten");
+ value = yield asyncStorage.getItem("foo");
+ is(value, "overwritten", "value is correct");
+ yield asyncStorage.removeItem("foo");
+ value = yield asyncStorage.getItem("foo");
+ is(value, null, "value is correct");
+});
+
+add_task(function* () {
+ var object = {
+ x: 1,
+ y: "foo",
+ z: true
+ };
+
+ yield asyncStorage.setItem("myobj", object);
+ let value = yield 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");
+ yield asyncStorage.removeItem("myobj");
+ value = yield asyncStorage.getItem("myobj");
+ is(value, null, "value is correct");
+});
+
+add_task(function* () {
+ yield asyncStorage.clear();
+ let len = yield asyncStorage.length();
+ is(len, 0, "length is correct");
+ yield asyncStorage.setItem("key1", "value1");
+ len = yield asyncStorage.length();
+ is(len, 1, "length is correct");
+ yield asyncStorage.setItem("key2", "value2");
+ len = yield asyncStorage.length();
+ is(len, 2, "length is correct");
+ yield asyncStorage.setItem("key3", "value3");
+ len = yield asyncStorage.length();
+ is(len, 3, "length is correct");
+
+ let key = yield asyncStorage.key(0);
+ is(key, "key1", "key is correct");
+ key = yield asyncStorage.key(1);
+ is(key, "key2", "key is correct");
+ key = yield asyncStorage.key(2);
+ is(key, "key3", "key is correct");
+ key = yield asyncStorage.key(3);
+ is(key, null, "key is correct");
+ yield asyncStorage.clear();
+ key = yield asyncStorage.key(0);
+ is(key, null, "key is correct");
+
+ len = yield asyncStorage.length();
+ is(len, 0, "length is correct");
+});