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