Andreas Hocevar
110 lines
3.1 KiB
JavaScript
110 lines
3.1 KiB
JavaScript
// Copyright 2009 The Closure Library Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS-IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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goog.provide('goog.debug.ErrorTest');
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goog.setTestOnly('goog.debug.ErrorTest');
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goog.require('goog.debug.Error');
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goog.require('goog.testing.ExpectedFailures');
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goog.require('goog.testing.jsunit');
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goog.require('goog.userAgent');
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goog.require('goog.userAgent.product');
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var expectedFailures;
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function setUpPage() {
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expectedFailures = new goog.testing.ExpectedFailures();
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}
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function tearDown() {
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expectedFailures.handleTearDown();
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}
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function testError() {
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function xxxxx() {
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yyyyy();
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}
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function yyyyy() {
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zzzzz();
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}
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function zzzzz() {
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throw new goog.debug.Error('testing');
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}
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var stack = null, message = null;
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try {
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xxxxx();
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} catch (e) {
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message = e.message;
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if (e.stack) {
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stack = e.stack.split('\n');
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}
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}
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assertEquals('Message property should be set', 'testing', message);
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expectedFailures.expectFailureFor(
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(goog.userAgent.IE && !goog.userAgent.isVersionOrHigher('10')) ||
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goog.userAgent.product.SAFARI || (
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goog.userAgent.product.CHROME &&
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!goog.userAgent.isVersionOrHigher(532)),
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'error.stack is not widely supported');
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try {
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assertNotNull(stack);
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if (goog.userAgent.product.FIREFOX &&
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goog.userAgent.isVersionOrHigher('2.0')) {
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// Firefox 4 and greater does not have the first line that says
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// 'Error'. So we insert a dummy line to simplify the test.
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stack.splice(0, 0, 'Error');
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}
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// If the stack trace came from a synthetic Error object created
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// inside the goog.debug.Error constructor, it will have an extra frame
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// at stack[1]. If it came from captureStackTrace or was attached
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// by IE when the error was caught, it will not.
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if (!Error.captureStackTrace && !goog.userAgent.IE) {
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stack.splice(1, 1); // Remove stack[1].
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}
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assertContains(
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'1st line of stack should have "Error"', 'Error', stack[0]);
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assertContains(
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'2nd line of stack should have "zzzzz"', 'zzzzz', stack[1]);
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assertContains(
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'3rd line of stack should have "yyyyy"', 'yyyyy', stack[2]);
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assertContains(
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'4th line of stack should have "xxxxx"', 'xxxxx', stack[3]);
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} catch (e) {
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expectedFailures.handleException(e);
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}
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}
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function testInheriting() {
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function MyError() {
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goog.debug.Error.call(this);
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}
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goog.inherits(MyError, goog.debug.Error);
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MyError.prototype.message = 'My custom error';
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var message = null;
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try {
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throw new MyError();
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} catch (e) {
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message = e.message;
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}
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assertEquals('My custom error', message);
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}
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