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<html>
<!--
Copyright 2009 The Closure Library Authors. All Rights Reserved.
Use of this source code is governed by the Apache License, Version 2.0.
See the COPYING file for details.
-->
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Closure Unit Tests - goog.debug.Error</title>
<script src="../base.js"></script>
<script>
goog.require('goog.debug.Error');
goog.require('goog.testing.ExpectedFailures');
goog.require('goog.testing.jsunit');
goog.require('goog.userAgent');
goog.require('goog.userAgent.product');
</script>
</head>
<body>
<script>
var expectedFailures = new goog.testing.ExpectedFailures();
function tearDown() {
expectedFailures.handleTearDown();
}
function testError() {
function xxxxx() {
yyyyy();
}
function yyyyy() {
zzzzz();
}
function zzzzz() {
throw new goog.debug.Error('testing');
}
var stack = null, message = null;
try {
xxxxx();
} catch (e) {
message = e.message;
stack = e.stack.split('\n');
}
assertEquals('Message property should be set', 'testing', message);
expectedFailures.expectFailureFor(
goog.userAgent.IE ||
goog.userAgent.product.SAFARI || (
goog.userAgent.product.CHROME &&
!goog.userAgent.isVersion(532)),
'error.stack is not widely supported');
try {
if (goog.userAgent.product.FIREFOX &&
goog.userAgent.isVersion('2.0')) {
// Firefox 4 and greater does not have the first line that says
// 'Error'. So we insert a dummy line to simplify the test.
stack.splice(0, 0, 'Error');
}
if (Error.captureStackTrace) {
// captureStackTrace removes extra junk.
assertContains('1st line of stack should have "Error"', 'Error', stack[0]);
assertContains('2nd line of stack should have "zzzzz"', 'zzzzz', stack[1]);
assertContains('3rd line of stack should have "yyyyy"', 'yyyyy', stack[2]);
assertContains('4th line of stack should have "xxxxx"', 'xxxxx', stack[3]);
} else {
assertContains('1st line of stack should have "Error"', 'Error', stack[0]);
// 2nd line is slightly different in firefox/chrome
assertContains('3rd line of stack should have "zzzzz"', 'zzzzz', stack[2]);
assertContains('4th line of stack should have "yyyyy"', 'yyyyy', stack[3]);
assertContains('5th line of stack should have "xxxxx"', 'xxxxx', stack[4]);
}
} catch (e) {
expectedFailures.handleException(e);
}
}
function testInheriting() {
function MyError() {
goog.debug.Error.call(this);
}
goog.inherits(MyError, goog.debug.Error);
MyError.prototype.message = 'My custom error';
var message = null;
try {
throw new MyError();
} catch (e) {
message = e.message;
}
assertEquals('My custom error', message);
}
</script>
</body>
</html>