The Tor Browser: js/xpconnect/tests/unit/component-blob.js@6474c204b198

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

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this

     3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");

     7 const Cc = Components.classes;

     8 const Ci = Components.interfaces;

     9 const Cu = Components.utils;

    11 function do_check_true(cond, text) {

    12   // we don't have the test harness' utilities in this scope, so we need this

    13   // little helper. In the failure case, the exception is propagated to the

    14   // caller in the main run_test() function, and the test fails.

    15   if (!cond)

    16     throw "Failed check: " + text;

    17 }

    19 function BlobComponent() {

    20   this.wrappedJSObject = this;

    21 }

    22 BlobComponent.prototype =

    23 {

    24   doTest: function() {

    25     // throw if anything goes wrong

    26     let testContent = "<a id=\"a\"><b id=\"b\">hey!<\/b><\/a>";

    27     // should be able to construct a file

    28     var f1 = Blob([testContent], {"type" : "text/xml"});

    29     // with either constructor syntax

    30     var f2 = new Blob([testContent], {"type" : "text/xml"});

    32     // do some tests

    33     do_check_true(f1 instanceof Ci.nsIDOMBlob, "Should be a DOM Blob");

    34     do_check_true(f2 instanceof Ci.nsIDOMBlob, "Should be a DOM Blob");

    36     do_check_true(!(f1 instanceof Ci.nsIDOMFile), "Should not be a DOM File");

    37     do_check_true(!(f2 instanceof Ci.nsIDOMFile), "Should not be a DOM File");

    39     do_check_true(f1.type == "text/xml", "Wrong type");

    40     do_check_true(f2.type == "text/xml", "Wrong type");

    42     do_check_true(f1.size == testContent.length, "Wrong content size");

    43     do_check_true(f2.size == testContent.length, "Wrong content size");

    45     var f3 = new Blob();

    46     do_check_true(f3.size == 0, "Wrong size");

    47     do_check_true(f3.type == "", "Wrong type");

    49     var threw = false;

    50     try {

    51       // Needs a valid ctor argument

    52       var f3 = Blob(Date(132131532));

    53     } catch (e) {

    54       threw = true;

    55     }

    56     do_check_true(threw, "Passing a random object should fail");

    58     return true;

    59   },

    61   // nsIClassInfo + information for XPCOM registration code in XPCOMUtils.jsm

    62   classDescription: "Blob in components scope code",

    63   classID: Components.ID("{06215993-a3c2-41e3-bdfd-0a3a2cc0b65c}"),

    64   contractID: "@mozilla.org/tests/component-blob;1",

    66   // nsIClassInfo

    67   implementationLanguage: Components.interfaces.nsIProgrammingLanguage.JAVASCRIPT,

    68   flags: 0,

    70   getInterfaces: function getInterfaces(aCount) {

    71     var interfaces = [Components.interfaces.nsIClassInfo];

    72     aCount.value = interfaces.length;

    73     return interfaces;

    74   },

    76   getHelperForLanguage: function getHelperForLanguage(aLanguage) {

    77     return null;

    78   },

    80   // nsISupports

    81   QueryInterface: XPCOMUtils.generateQI([Components.interfaces.nsIClassInfo])

    82 };

    84 var gComponentsArray = [BlobComponent];

    85 this.NSGetFactory = XPCOMUtils.generateNSGetFactory(gComponentsArray);

The Tor Browser / file revision