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1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5function debug(message)
6{
7  var span = document.createElement("span");
8  span.appendChild(document.createTextNode(message));
9  span.appendChild(document.createElement("br"));
10  document.getElementById('status').appendChild(span);
11}
12
13function done(message)
14{
15  if (document.location.hash == '#fail')
16    return;
17  if (message)
18    debug('PASS: ' + message);
19  else
20    debug('PASS');
21  document.location.hash = '#pass';
22}
23
24function fail(message)
25{
26  debug('FAILED: ' + message);
27  document.location.hash = '#fail';
28}
29
30function getLog()
31{
32  return "" + document.getElementById('status').innerHTML;
33}
34
35function unexpectedUpgradeNeededCallback()
36{
37  fail('unexpectedUpgradeNeededCallback');
38}
39
40function unexpectedAbortCallback()
41{
42  fail('unexpectedAbortCallback');
43}
44
45function unexpectedSuccessCallback()
46{
47  fail('unexpectedSuccessCallback');
48}
49
50function unexpectedCompleteCallback()
51{
52  fail('unexpectedCompleteCallback');
53}
54
55function unexpectedErrorCallback()
56{
57  fail('unexpectedErrorCallback');
58}
59
60function unexpectedBlockedCallback()
61{
62  fail('unexpectedBlockedCallback');
63}
64
65function unexpectedUpgradeNeededCallback()
66{
67  fail('unexpectedUpgradeNeededCallback');
68}
69
70function deleteAllObjectStores(db)
71{
72  objectStoreNames = db.objectStoreNames;
73  for (var i = 0; i < objectStoreNames.length; ++i)
74    db.deleteObjectStore(objectStoreNames[i]);
75}
76
77// The following functions are based on
78// WebKit/LayoutTests/fast/js/resources/js-test-pre.js
79// so that the tests will look similar to the existing layout tests.
80function stringify(v)
81{
82  if (v === 0 && 1/v < 0)
83    return "-0";
84  else return "" + v;
85}
86
87function isResultCorrect(_actual, _expected)
88{
89  if (_expected === 0)
90    return _actual === _expected && (1/_actual) === (1/_expected);
91  if (_actual === _expected)
92    return true;
93  if (typeof(_expected) == "number" && isNaN(_expected))
94    return typeof(_actual) == "number" && isNaN(_actual);
95  if (Object.prototype.toString.call(_expected) ==
96      Object.prototype.toString.call([]))
97    return areArraysEqual(_actual, _expected);
98  return false;
99}
100
101function shouldBe(_a, _b)
102{
103  if (typeof _a != "string" || typeof _b != "string")
104    debug("WARN: shouldBe() expects string arguments");
105  var exception;
106  var _av;
107  try {
108    _av = eval(_a);
109  } catch (e) {
110    exception = e;
111  }
112  var _bv = eval(_b);
113
114  if (exception)
115    fail(_a + " should be " + _bv + ". Threw exception " + exception);
116  else if (isResultCorrect(_av, _bv))
117    debug(_a + " is " + _b);
118  else if (typeof(_av) == typeof(_bv))
119    fail(_a + " should be " + _bv + ". Was " + stringify(_av) + ".");
120  else
121    fail(_a + " should be " + _bv + " (of type " + typeof _bv + "). " +
122         "Was " + _av + " (of type " + typeof _av + ").");
123}
124
125function shouldBeTrue(_a) { shouldBe(_a, "true"); }
126function shouldBeFalse(_a) { shouldBe(_a, "false"); }
127function shouldBeNaN(_a) { shouldBe(_a, "NaN"); }
128function shouldBeNull(_a) { shouldBe(_a, "null"); }
129function shouldBeEqualToString(a, b)
130{
131  var unevaledString = '"' + b.replace(/\\/g, "\\\\").replace(/"/g, "\"") + '"';
132  shouldBe(a, unevaledString);
133}
134
135function indexedDBTest(upgradeCallback, optionalOpenCallback) {
136  dbname = self.location.pathname.substring(
137    1 + self.location.pathname.lastIndexOf("/"));
138  var deleteRequest = indexedDB.deleteDatabase(dbname);
139  deleteRequest.onerror = unexpectedErrorCallback;
140  deleteRequest.onblocked = unexpectedBlockedCallback;
141  deleteRequest.onsuccess = function() {
142    var openRequest = indexedDB.open(dbname);
143    openRequest.onerror = unexpectedErrorCallback;
144    openRequest.onupgradeneeded = upgradeCallback;
145    openRequest.onblocked = unexpectedBlockedCallback;
146    if (optionalOpenCallback)
147      openRequest.onsuccess = optionalOpenCallback;
148  };
149}
150
151if (typeof String.prototype.startsWith !== 'function') {
152  String.prototype.startsWith = function (str) {
153    return this.indexOf(str) === 0;
154  };
155}
156