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content / test / data / dom_storage / sanity_check.js [blame]
// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
function startTestSoon() {
window.setTimeout(test, 0);
}
function test() {
try {
debug('Checking window.localStorage');
sanityCheck(window.localStorage);
debug('Checking window.sessionStorage');
sanityCheck(window.sessionStorage);
window.setTimeout(done, 0);
} catch(e) {
fail(e);
}
}
function sanityCheck(storage) {
storage["preload"] = "done";
checkEqual("done", storage["preload"],
"storage['preload'] != 'done' after addition");
storage.clear();
checkEqual(0, storage.length,
"storage.length != 0 at start");
checkEqual(null, storage.getItem("foo"),
"getItem('foo') != null prior to addition");
checkEqual(null, storage.key(0),
"key(0) != null prior to addition");
storage.setItem("foo", "bar");
checkEqual(1, storage.length,
"storage.length != 1 after addition");
checkEqual("bar", storage.getItem("foo"),
"getItem('foo') != 'bar' after addition");
checkEqual("foo", storage.key(0),
"key(0) != 'foo' after addition");
storage.removeItem("foo");
checkEqual(null, storage.getItem("foo"),
"getItem('foo') != null after removal");
storage["foo"] = "baz";
storage["name"] = "value";
checkEqual(2, storage.length,
"storage.length != 2 after 2 additions");
checkEqual("baz", storage["foo"],
"storage['foo'] != 'baz' after addition");
checkEqual("value", storage["name"],
"storage['name'] != 'value' after addition");
storage.clear();
checkEqual(0, storage.length,
"storage.length != 0 after clear");
var tooLarge = "X".repeat((5 * 1024 * 1024) + 1);
try {
storage.setItem("tooLarge", tooLarge);
throw "failed to throw exception for very large value";
} catch(ex) {
checkEqual(ex.code, 22,
"ex.code != 22 for attempt to store a very large value");
}
try {
storage.setItem(tooLarge, "key is too large");
throw "failed to throw exception for very large key";
} catch(ex) {
checkEqual(ex.code, 22,
"ex.code != 22 for attempt to store a very large key");
}
}
function checkEqual(lhs, rhs, errorMessage) {
if (lhs !== rhs)
throw errorMessage;
}