| <!DOCTYPE html> |
| <script src="../../resources/js-test.js"></script> |
| <script src="resources/shared.js"></script> |
| <script> |
| |
| description("Confirm that IndexedDB can store an empty File from the Filesystem API"); |
| |
| function prepareDatabase() |
| { |
| db = event.target.result; |
| var trans = event.target.transaction; |
| evalAndLog("store = db.createObjectStore('storeName')"); |
| evalAndLog("store.put('value', 'key')"); |
| trans.onerror = unexpectedErrorCallback; |
| trans.onabort = unexpectedAbortCallback; |
| } |
| |
| var fileValidation = ".size == 0"; |
| function testEmptyFilesystemFile() |
| { |
| preamble(); |
| evalAndLog("file = window.emptyFile"); |
| validateResult("file", fileValidation, cleanupFs); |
| } |
| |
| function validateResult(variable, validation, onSuccess) |
| { |
| var keyName = variable + "key"; |
| debug(""); |
| debug("validateResult(" + variable + "):"); |
| shouldBeTrue(variable + validation); |
| evalAndLog("transaction = db.transaction('storeName', 'readwrite')"); |
| evalAndLog("store = transaction.objectStore('storeName')"); |
| evalAndLog("store.put(" + variable + ", '" + keyName + "')"); |
| transaction.onerror = unexpectedErrorCallback; |
| transaction.onabort = unexpectedAbortCallback; |
| var onGetSuccess = function (e) { |
| shouldBeTrue("event.target.result" + validation); |
| onSuccess(); |
| } |
| transaction.oncomplete = function () { |
| doRead(keyName, onGetSuccess); |
| } |
| } |
| |
| function doRead(keyName, onSuccess) |
| { |
| evalAndLog("transaction = db.transaction('storeName', 'readwrite')"); |
| evalAndLog("store = transaction.objectStore('storeName')"); |
| evalAndLog("request = store.get('" + keyName + "')"); |
| request.onsuccess = onSuccess; |
| transaction.onerror = unexpectedErrorCallback; |
| transaction.onabort = unexpectedAbortCallback; |
| } |
| |
| function fsError(error) |
| { |
| debug("Filesystem error:" + error.name); |
| cleanupFs(); |
| } |
| function fsCreated(fs) |
| { |
| debug("Got FileSystem:" + fs.name); |
| window.fileSystem = fs; |
| |
| fs.root.getFile("empty.txt", {create: true}, function(entry) { |
| entry.file(function(file) { |
| window.emptyFile = file; |
| indexedDBTest(prepareDatabase, testEmptyFilesystemFile); |
| }); |
| }, fsError); |
| } |
| |
| if (window.webkitRequestFileSystem) |
| window.webkitRequestFileSystem(TEMPORARY, 100, fsCreated, fsError); |
| else |
| alert("This test requires the FileSystem API"); |
| |
| function cleanupFs() |
| { |
| if (window.fileSystem) { |
| var fs = window.fileSystem; |
| // cleanupFs shouldn't get called again if an error occurs below. |
| window.fileSystem = null; |
| fs.root.getFile("empty.txt", {create: false}, function (entry) { |
| entry.remove(finishJSTest, fsError); |
| }, fsError); |
| } |
| } |
| </script> |
