netwerk/test/unit/test_compressappend.js@6474c204b198
netwerk/test/unit/test_compressappend.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 //
2 // Test that data can be appended to a cache entry even when the data is
3 // compressed by the cache compression feature - bug 648429.
4 //
6 function write_and_check(str, data, len)
7 {
8 var written = str.write(data, len);
9 if (written != len) {
10 do_throw("str.write has not written all data!\n" +
11 " Expected: " + len + "\n" +
12 " Actual: " + written + "\n");
13 }
14 }
16 function TestAppend(compress, callback)
17 {
18 this._compress = compress;
19 this._callback = callback;
20 this.run();
21 }
23 TestAppend.prototype = {
24 _compress: false,
25 _callback: null,
27 run: function() {
28 evict_cache_entries();
29 asyncOpenCacheEntry("http://data/",
30 "disk", Ci.nsICacheStorage.OPEN_NORMALLY, null,
31 this.writeData.bind(this));
32 },
34 writeData: function(status, entry) {
35 do_check_eq(status, Cr.NS_OK);
36 if (this._compress)
37 entry.setMetaDataElement("uncompressed-len", "0");
38 var os = entry.openOutputStream(0);
39 write_and_check(os, "12345", 5);
40 os.close();
41 entry.close();
42 asyncOpenCacheEntry("http://data/",
43 "disk", Ci.nsICacheStorage.OPEN_NORMALLY, null,
44 this.appendData.bind(this));
45 },
47 appendData: function(status, entry) {
48 do_check_eq(status, Cr.NS_OK);
49 var os = entry.openOutputStream(entry.storageDataSize);
50 write_and_check(os, "abcde", 5);
51 os.close();
52 entry.close();
54 asyncOpenCacheEntry("http://data/",
55 "disk", Ci.nsICacheStorage.OPEN_READONLY, null,
56 this.checkData.bind(this));
57 },
59 checkData: function(status, entry) {
60 do_check_eq(status, Cr.NS_OK);
61 var self = this;
62 pumpReadStream(entry.openInputStream(0), function(str) {
63 do_check_eq(str.length, 10);
64 do_check_eq(str, "12345abcde");
65 entry.close();
67 do_execute_soon(self._callback);
68 });
69 }
70 };
72 function run_test() {
73 do_get_profile();
74 new TestAppend(false, run_test2);
75 do_test_pending();
76 }
78 function run_test2() {
79 new TestAppend(true, do_test_finished);
80 }
