js/xpconnect/tests/chrome/test_bug720619.xul

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1 <?xml version="1.0"?>
2 <?xml-stylesheet href="chrome://global/skin" type="text/css"?>
3 <?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css"
4 type="text/css"?>
5 <!--
6 https://bugzilla.mozilla.org/show_bug.cgi?id=720619
7 -->
8 <window title="Mozilla Bug 720619"
9 xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
10 <script type="application/javascript"
11 src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
12
13 <!-- test results are displayed in the html:body -->
14 <body xmlns="http://www.w3.org/1999/xhtml">
15 <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=720619"
16 target="_blank">Mozilla Bug 720619</a>
17
18 <!-- test code goes here -->
19 <script type="application/javascript"><![CDATA[
20 /** Test for Bug 720619 **/
21 const Cu = Components.utils;
22
23 var obj = {
24 valueOf: function () {
25 return 42;
26 },
27 toString: function () {
28 return 'str';
29 }
30 };
31
32 var content = new Cu.Sandbox("about:blank");
33 content.obj = obj;
34
35 ok(Cu.evalInSandbox("obj + ''", content) == "[object Object]");
36 ok(Cu.evalInSandbox("'' + obj", content) == "[object Object]");
37 ok(isNaN(Cu.evalInSandbox("obj - 0", content)));
38 ok(Cu.evalInSandbox("String(obj)", content) == "[object Object]");
39
40 var chrome = new Cu.Sandbox(window);
41 chrome.obj = obj;
42
43 ok(Cu.evalInSandbox("obj + ''", chrome) == "42");
44 ok(Cu.evalInSandbox("'' + obj", chrome) == "42");
45 ok(Cu.evalInSandbox("obj - 0", chrome) == 42);
46 ok(Cu.evalInSandbox("String(obj)", chrome) == "str");
47 ]]></script>
48 </body>
49 </window>

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