The Tor Browser: addon-sdk/source/test/test-traceback.js@6474c204b198 (annotated)

addon-sdk/source/test/test-traceback.js@6474c204b198 (annotated)

addon-sdk/source/test/test-traceback.js

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

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