// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// This is a modified duplicate of the file test_util in
// chrome/test/data/extensions/api_test/file_system
function checkEntry(entry, expectedName, isNew, shouldBeWritable) {
chrome.test.assertEq(expectedName, entry.name);
// Test that the file can be read.
entry.file(chrome.test.callback(function(file) {
var reader = new FileReader();
reader.onloadend = chrome.test.callbackPass(function(e) {
if (isNew)
chrome.test.assertEq(reader.result, "");
else
chrome.test.assertEq(reader.result.indexOf("Can you see me?"), 0);
// Test that we can write to the file, or not, depending on
// |shouldBeWritable|.
entry.createWriter(function(fileWriter) {
fileWriter.onwriteend = chrome.test.callback(function(e) {
if (fileWriter.error) {
if (shouldBeWritable) {
chrome.test.fail("Error writing to file: " +
fileWriter.error.toString());
} else {
chrome.test.succeed();
}
} else {
if (shouldBeWritable) {
entry.file(chrome.test.callback(function(readFile) {
var readReader = new FileReader();
readReader.onloadend = function(e) {
chrome.test.assertEq(readReader.result.indexOf("HoHoHo!"),
0);
chrome.test.succeed();
};
readReader.onerror = function(e) {
chrome.test.fail("Failed to read file after write.");
};
readReader.readAsText(readFile);
}));
} else {
chrome.test.fail(
"'Could write to file that should not be writable.");
}
}
});
var blob = new Blob(["HoHoHo!"], {type: "text/plain"});
fileWriter.write(blob);
});
});
reader.onerror = chrome.test.callback(function(e) {
chrome.test.fail("Error reading file contents.");
});
reader.readAsText(file);
}));
}