The Tor Browser: comparison addon-sdk/source/test/test-traceback.js

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

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

changeset 0: 6474c204b198

equal deleted inserted replaced

--1:000000000000
+:805a13af18f1
+/* 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);