third_party/WebKit/LayoutTests/fast/filesystem/script-tests/read-directory.js

   1 description("DirectoryReader.readEntries() test.");
   2 var fileSystem = null;
   3 var reader = null;
   4 var resultEntries = [];
   5
   6 var readEntriesCount = 0;
   7 var entriesCallbackCount = 0;
   8
   9 // path: isDirectory map.
  10 var testEntries = {
  11     '/a': true,
  12     '/b': false,
  13     '/c': true,
  14     '/d': false,
  15     '/e': false,
  16     '/f': true,
  17 };
  18 var testEntriesCount = 0;
  19
  20 function endTest()
  21 {
  22     removeAllInDirectory(fileSystem.root);
  23     finishJSTest();
  24 }
  25
  26 function errorCallback(error)
  27 {
  28     debug("Error occured:" + error.name);
  29     endTest();
  30 }
  31
  32 var entry = null;
  33 function verifyTestResult()
  34 {
  35     shouldBe('readEntriesCount', 'entriesCallbackCount');
  36     shouldBe('resultEntries.length', 'testEntriesCount');
  37     resultEntries.sort(function(a, b) { return (a.fullPath > b.fullPath) ? 1 : (a.fullPath < b.fullPath) ? -1 : 0; });
  38     for (i = 0; i < resultEntries.length; ++i) {
  39         entry = resultEntries[i];
  40         debug('Entry:' + entry.fullPath + ' isDirectory:' + entry.isDirectory);
  41         shouldBe('testEntries[entry.fullPath]', 'entry.isDirectory');
  42     }
  43 }
  44
  45 var entries;
  46 function entriesCallback(_entries)
  47 {
  48     entriesCallbackCount++;
  49     entries = _entries;
  50     shouldBe("entries.__proto__", "Array.prototype");
  51     resultEntries.push.apply(resultEntries, entries);
  52
  53     if (entries.length) {
  54         readEntriesCount++;
  55         reader.readEntries(entriesCallback, errorCallback);
  56     } else {
  57         // Must have read all the entries.
  58         verifyTestResult();
  59         endTest();
  60     }
  61 }
  62
  63 function runReadDirectoryTest()
  64 {
  65     readEntriesCount++;
  66     reader = fileSystem.root.createReader();
  67     reader.readEntries(entriesCallback, errorCallback);
  68 }
  69
  70 function prepareForTest()
  71 {
  72     var helper = new JoinHelper();
  73     var done = function() { helper.done(); };
  74
  75     for (var path in testEntries) {
  76         testEntriesCount++;
  77         if (testEntries[path])
  78             helper.run(function() { fileSystem.root.getDirectory(path, {create:true}, done, errorCallback); });
  79         else
  80             helper.run(function() { fileSystem.root.getFile(path, {create:true}, done, errorCallback); });
  81     }
  82     helper.join(runReadDirectoryTest);
  83 }
  84
  85 function successCallback(fs)
  86 {
  87     fileSystem = fs;
  88     debug("Successfully obtained Persistent FileSystem:" + fileSystem.name);
  89     removeAllInDirectory(fileSystem.root, prepareForTest, errorCallback);
  90 }
  91
  92 if (window.webkitRequestFileSystem) {
  93     webkitRequestFileSystem(window.TEMPORARY, 100, successCallback, errorCallback);
  94     window.jsTestIsAsync = true;
  95 } else
  96     debug("This test requires FileSystem API support.");