FileSystem API readonly attributes test. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". webkitRequestFileSystem(TEMPORARY, 100, successCallback, errorCallback) trying to set readonly property fileSystem.name fileSystem.name = 'bar' PASS fileSystem.name is still file__0:Temporary root = fileSystem.root root.getFile('foo', {create:true}, getFileCallback, errorCallback) trying to set readonly property fileEntry.isFile fileEntry.isFile = false PASS fileEntry.isFile is still true trying to set readonly property fileEntry.isDirectory fileEntry.isDirectory = true PASS fileEntry.isDirectory is still false trying to set readonly property fileEntry.name fileEntry.name = 'bar' PASS fileEntry.name is still foo trying to set readonly property fileEntry.fullPath fileEntry.fullPath = 'bar' PASS fileEntry.fullPath is still /foo trying to set readonly property fileEntry.filesystem fileEntry.filesystem = null PASS fileEntry.filesystem is still [object DOMFileSystem] PASS successfullyParsed is true TEST COMPLETE