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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 var fileEntry; | |
6 var usageBeforeWrite; | |
7 var usageAfterWrite; | |
8 var testData = "12345"; | |
9 | |
10 var testStep = [ | |
11 function () { | |
12 chrome.syncFileSystem.requestFileSystem('drive', testStep.shift()); | |
13 }, | |
14 // Create empty file | |
kinuko
2012/11/09 07:24:49
nit: please end comments with '.' (here and below)
calvinlo
2012/11/09 08:06:14
Done.
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15 function(fileSystem) { | |
16 fileSystem.root.getFile('Test.txt', {create: true}, testStep.shift(), | |
17 errorHandler); | |
18 }, | |
19 function(fe) { | |
20 fileEntry = fe; | |
21 testStep.shift()(); | |
22 }, | |
23 // Record usage before write | |
24 function() { | |
25 chrome.syncFileSystem.getUsageAndQuota('drive', testStep.shift()); | |
26 }, | |
27 function(storageInfo) { | |
28 usageBeforeWrite = storageInfo.usage_bytes; | |
29 testStep.shift()(); | |
30 }, | |
31 // Write a known number of bytes | |
32 function() { | |
33 fileEntry.createWriter(testStep.shift(), errorHandler); | |
kinuko
2012/11/09 07:24:49
nit: it might be intentional (if so it's ok) but w
calvinlo
2012/11/09 08:06:14
This was intentional so that the comment // Write
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34 }, | |
35 function (fileWriter) { | |
36 fileWriter.onwriteend = function(e) { | |
37 testStep.shift()(); | |
38 }; | |
39 | |
40 fileWriter.onerror = function(e) { | |
41 chrome.test.fail('Write failed: ' + e.toString()); | |
42 }; | |
43 | |
44 fileWriter.seek(fileWriter.length); | |
45 var blob = new Blob([testData], {type: "text/plain"}); | |
46 fileWriter.write(blob); | |
47 }, | |
48 // Check the meta data for updated usage | |
49 function() { | |
50 fileEntry.getMetadata(testStep.shift(), errorHandler); | |
51 }, | |
52 function (metadata) { | |
53 chrome.test.assertTrue(metadata.size > 0); | |
kinuko
2012/11/09 07:24:49
...or assertEq with testData.length?
(metadata.siz
calvinlo
2012/11/09 08:06:14
Done.
| |
54 testStep.shift()(); | |
55 }, | |
56 // Check global usage was updated | |
57 function() { | |
58 chrome.syncFileSystem.getUsageAndQuota('drive', testStep.shift()); | |
59 }, | |
60 function(storageInfo) { | |
61 usageAfterWrite = storageInfo.usage_bytes; | |
62 chrome.test.assertEq(testData.length, usageAfterWrite - usageBeforeWrite); | |
63 chrome.test.succeed(); | |
64 } | |
65 ]; | |
66 | |
67 function errorHandler() { | |
68 chrome.test.fail(); | |
69 } | |
70 | |
71 chrome.test.runTests([ | |
72 chrome.test.callbackPass(testStep[0]) | |
73 ]); | |
74 | |
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