зеркало из https://github.com/mozilla/gecko-dev.git
122 строки
3.7 KiB
JavaScript
122 строки
3.7 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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var traceback = require("sdk/console/traceback");
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var {Cc,Ci,Cr,Cu} = require("chrome");
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function throwNsIException() {
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var ios = Cc['@mozilla.org/network/io-service;1']
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.getService(Ci.nsIIOService);
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ios.newURI("i'm a malformed URI", null, null);
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}
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function throwError() {
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throw new Error("foob");
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}
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exports.testFormatDoesNotFetchRemoteFiles = function(test) {
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var observers = require("sdk/deprecated/observer-service");
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["http", "https"].forEach(
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function(scheme) {
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var httpRequests = 0;
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function onHttp() {
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httpRequests++;
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}
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observers.add("http-on-modify-request", onHttp);
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try {
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var tb = [{filename: scheme + "://www.mozilla.org/",
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lineNumber: 1,
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name: "blah"}];
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traceback.format(tb);
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} catch (e) {
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test.exception(e);
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}
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observers.remove("http-on-modify-request", onHttp);
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test.assertEqual(httpRequests, 0,
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"traceback.format() does not make " +
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scheme + " request");
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});
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};
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exports.testFromExceptionWithString = function(test) {
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try {
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throw "foob";
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test.fail("an exception should've been thrown");
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} catch (e if e == "foob") {
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var tb = traceback.fromException(e);
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test.assertEqual(tb.length, 0);
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}
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};
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exports.testFormatWithString = function(test) {
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// This can happen if e.g. a thrown exception was
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// a string instead of an Error instance.
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test.assertEqual(traceback.format("blah"),
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"Traceback (most recent call last):");
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};
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exports.testFromExceptionWithError = function(test) {
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try {
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throwError();
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test.fail("an exception should've been thrown");
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} catch (e if e instanceof Error) {
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var tb = traceback.fromException(e);
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var xulApp = require("sdk/system/xul-app");
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test.assertEqual(tb.slice(-1)[0].name, "throwError");
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}
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};
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exports.testFromExceptionWithNsIException = function(test) {
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try {
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throwNsIException();
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test.fail("an exception should've been thrown");
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} catch (e if e.result == Cr.NS_ERROR_MALFORMED_URI) {
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var tb = traceback.fromException(e);
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test.assertEqual(tb[tb.length - 1].name, "throwNsIException");
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}
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};
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exports.testFormat = function(test) {
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function getTraceback() {
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return traceback.format();
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}
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var formatted = getTraceback();
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test.assertEqual(typeof(formatted), "string");
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var lines = formatted.split("\n");
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test.assertEqual(lines[lines.length - 2].indexOf("getTraceback") > 0,
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true,
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"formatted traceback should include function name");
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test.assertEqual(lines[lines.length - 1].trim(),
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"return traceback.format();",
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"formatted traceback should include source code");
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};
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exports.testExceptionsWithEmptyStacksAreLogged = function(test) {
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// Ensures that our fix to bug 550368 works.
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var sandbox = Cu.Sandbox("http://www.foo.com");
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var excRaised = false;
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try {
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Cu.evalInSandbox("returns 1 + 2;", sandbox, "1.8",
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"blah.js", 25);
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} catch (e) {
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excRaised = true;
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var stack = traceback.fromException(e);
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test.assertEqual(stack.length, 1, "stack should have one frame");
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test.assert(stack[0].fileName, "blah.js", "frame should have filename");
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test.assert(stack[0].lineNumber, 25, "frame should have line no");
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test.assertEqual(stack[0].name, null, "frame should have null function name");
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}
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if (!excRaised)
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test.fail("Exception should have been raised.");
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};
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