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comparison: netwerk/test/unit/test_compressappend.js
netwerk/test/unit/test_compressappend.js
- changeset 0
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| -1:000000000000 | 0:bbdca33c28b3 |
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| 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 // | |
| 5 | |
| 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 } | |
| 15 | |
| 16 function TestAppend(compress, callback) | |
| 17 { | |
| 18 this._compress = compress; | |
| 19 this._callback = callback; | |
| 20 this.run(); | |
| 21 } | |
| 22 | |
| 23 TestAppend.prototype = { | |
| 24 _compress: false, | |
| 25 _callback: null, | |
| 26 | |
| 27 run: function() { | |
| 28 evict_cache_entries(); | |
| 29 asyncOpenCacheEntry("http://data/", | |
| 30 "disk", Ci.nsICacheStorage.OPEN_NORMALLY, null, | |
| 31 this.writeData.bind(this)); | |
| 32 }, | |
| 33 | |
| 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 }, | |
| 46 | |
| 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(); | |
| 53 | |
| 54 asyncOpenCacheEntry("http://data/", | |
| 55 "disk", Ci.nsICacheStorage.OPEN_READONLY, null, | |
| 56 this.checkData.bind(this)); | |
| 57 }, | |
| 58 | |
| 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(); | |
| 66 | |
| 67 do_execute_soon(self._callback); | |
| 68 }); | |
| 69 } | |
| 70 }; | |
| 71 | |
| 72 function run_test() { | |
| 73 do_get_profile(); | |
| 74 new TestAppend(false, run_test2); | |
| 75 do_test_pending(); | |
| 76 } | |
| 77 | |
| 78 function run_test2() { | |
| 79 new TestAppend(true, do_test_finished); | |
| 80 } |
