1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
/* 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);
|
