gecko/netwerk/test/unit/test_NetUtil.js

806 lines
24 KiB
JavaScript

/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
* vim: sw=2 ts=2 sts=2 et
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/**
* This file tests the methods on NetUtil.jsm.
*/
Cu.import("resource://testing-common/httpd.js");
Cu.import("resource://gre/modules/NetUtil.jsm");
Cu.import("resource://gre/modules/Task.jsm");
Cu.import("resource://gre/modules/Promise.jsm");
Cu.import("resource://gre/modules/Services.jsm");
// We need the profile directory so the test harness will clean up our test
// files.
do_get_profile();
const OUTPUT_STREAM_CONTRACT_ID = "@mozilla.org/network/file-output-stream;1";
const SAFE_OUTPUT_STREAM_CONTRACT_ID = "@mozilla.org/network/safe-file-output-stream;1";
////////////////////////////////////////////////////////////////////////////////
//// Helper Methods
/**
* Reads the contents of a file and returns it as a string.
*
* @param aFile
* The file to return from.
* @return the contents of the file in the form of a string.
*/
function getFileContents(aFile)
{
"use strict";
let fstream = Cc["@mozilla.org/network/file-input-stream;1"].
createInstance(Ci.nsIFileInputStream);
fstream.init(aFile, -1, 0, 0);
let cstream = Cc["@mozilla.org/intl/converter-input-stream;1"].
createInstance(Ci.nsIConverterInputStream);
cstream.init(fstream, "UTF-8", 0, 0);
let string = {};
cstream.readString(-1, string);
cstream.close();
return string.value;
}
/**
* Tests asynchronously writing a file using NetUtil.asyncCopy.
*
* @param aContractId
* The contract ID to use for the output stream
* @param aDeferOpen
* Whether to use DEFER_OPEN in the output stream.
*/
function async_write_file(aContractId, aDeferOpen)
{
do_test_pending();
// First, we need an output file to write to.
let file = Cc["@mozilla.org/file/directory_service;1"].
getService(Ci.nsIProperties).
get("ProfD", Ci.nsIFile);
file.append("NetUtil-async-test-file.tmp");
file.createUnique(Ci.nsIFile.NORMAL_FILE_TYPE, 0666);
// Then, we need an output stream to our output file.
let ostream = Cc[aContractId].createInstance(Ci.nsIFileOutputStream);
ostream.init(file, -1, -1, aDeferOpen ? Ci.nsIFileOutputStream.DEFER_OPEN : 0);
// Finally, we need an input stream to take data from.
const TEST_DATA = "this is a test string";
let istream = Cc["@mozilla.org/io/string-input-stream;1"].
createInstance(Ci.nsIStringInputStream);
istream.setData(TEST_DATA, TEST_DATA.length);
NetUtil.asyncCopy(istream, ostream, function(aResult) {
// Make sure the copy was successful!
do_check_true(Components.isSuccessCode(aResult));
// Check the file contents.
do_check_eq(TEST_DATA, getFileContents(file));
// Finish the test.
do_test_finished();
run_next_test();
});
}
////////////////////////////////////////////////////////////////////////////////
//// Tests
// Test NetUtil.asyncCopy for all possible buffering scenarios
function test_async_copy()
{
// Create a data sample
function make_sample(text) {
let data = [];
for (let i = 0; i <= 100; ++i) {
data.push(text);
}
return data.join();
}
// Create an input buffer holding some data
function make_input(isBuffered, data) {
if (isBuffered) {
// String input streams are buffered
let istream = Cc["@mozilla.org/io/string-input-stream;1"].
createInstance(Ci.nsIStringInputStream);
istream.setData(data, data.length);
return istream;
}
// File input streams are not buffered, so let's create a file
let file = Cc["@mozilla.org/file/directory_service;1"].
getService(Ci.nsIProperties).
get("ProfD", Ci.nsIFile);
file.append("NetUtil-asyncFetch-test-file.tmp");
file.createUnique(Ci.nsIFile.NORMAL_FILE_TYPE, 0666);
let ostream = Cc["@mozilla.org/network/file-output-stream;1"].
createInstance(Ci.nsIFileOutputStream);
ostream.init(file, -1, -1, 0);
ostream.write(data, data.length);
ostream.close();
let istream = Cc["@mozilla.org/network/file-input-stream;1"].
createInstance(Ci.nsIFileInputStream);
istream.init(file, -1, 0, 0);
return istream;
}
// Create an output buffer holding some data
function make_output(isBuffered) {
let file = Cc["@mozilla.org/file/directory_service;1"].
getService(Ci.nsIProperties).
get("ProfD", Ci.nsIFile);
file.append("NetUtil-asyncFetch-test-file.tmp");
file.createUnique(Ci.nsIFile.NORMAL_FILE_TYPE, 0666);
let ostream = Cc["@mozilla.org/network/file-output-stream;1"].
createInstance(Ci.nsIFileOutputStream);
ostream.init(file, -1, -1, 0);
if (!isBuffered) {
return {file: file, sink: ostream};
}
let bstream = Cc["@mozilla.org/network/buffered-output-stream;1"].
createInstance(Ci.nsIBufferedOutputStream);
bstream.init(ostream, 256);
return {file: file, sink: bstream};
}
Task.spawn(function*() {
do_test_pending();
for (let bufferedInput of [true, false]) {
for (let bufferedOutput of [true, false]) {
let text = "test_async_copy with "
+ (bufferedInput?"buffered input":"unbuffered input")
+ ", "
+ (bufferedOutput?"buffered output":"unbuffered output");
do_print(text);
let TEST_DATA = "[" + make_sample(text) + "]";
let source = make_input(bufferedInput, TEST_DATA);
let {file, sink} = make_output(bufferedOutput);
let deferred = Promise.defer();
NetUtil.asyncCopy(source, sink, deferred.resolve);
let result = yield deferred.promise;
// Make sure the copy was successful!
if (!Components.isSuccessCode(result)) {
do_throw(new Components.Exception("asyncCopy error", result));
}
// Check the file contents.
do_check_eq(TEST_DATA, getFileContents(file));
}
}
do_test_finished();
run_next_test();
});
}
function test_async_write_file() {
async_write_file(OUTPUT_STREAM_CONTRACT_ID);
}
function test_async_write_file_deferred() {
async_write_file(OUTPUT_STREAM_CONTRACT_ID, true);
}
function test_async_write_file_safe() {
async_write_file(SAFE_OUTPUT_STREAM_CONTRACT_ID);
}
function test_async_write_file_safe_deferred() {
async_write_file(SAFE_OUTPUT_STREAM_CONTRACT_ID, true);
}
function test_newURI_no_spec_throws()
{
try {
NetUtil.newURI();
do_throw("should throw!");
}
catch (e) {
do_check_eq(e.result, Cr.NS_ERROR_INVALID_ARG);
}
run_next_test();
}
function test_newURI()
{
let ios = Cc["@mozilla.org/network/io-service;1"].getService(Ci.nsIIOService);
// Check that we get the same URI back from the IO service and the utility
// method.
const TEST_URI = "http://mozilla.org";
let iosURI = ios.newURI(TEST_URI, null, null);
let NetUtilURI = NetUtil.newURI(TEST_URI);
do_check_true(iosURI.equals(NetUtilURI));
run_next_test();
}
function test_newURI_takes_nsIFile()
{
let ios = Cc["@mozilla.org/network/io-service;1"].getService(Ci.nsIIOService);
// Create a test file that we can pass into NetUtil.newURI
let file = Cc["@mozilla.org/file/directory_service;1"].
getService(Ci.nsIProperties).
get("ProfD", Ci.nsIFile);
file.append("NetUtil-test-file.tmp");
// Check that we get the same URI back from the IO service and the utility
// method.
let iosURI = ios.newFileURI(file);
let NetUtilURI = NetUtil.newURI(file);
do_check_true(iosURI.equals(NetUtilURI));
run_next_test();
}
function test_ioService()
{
do_check_true(NetUtil.ioService instanceof Ci.nsIIOService);
run_next_test();
}
function test_asyncFetch_no_channel()
{
try {
NetUtil.asyncFetch(null, function() { });
do_throw("should throw!");
}
catch (e) {
do_check_eq(e.result, Cr.NS_ERROR_INVALID_ARG);
}
run_next_test();
}
function test_asyncFetch_no_callback()
{
try {
NetUtil.asyncFetch({ });
do_throw("should throw!");
}
catch (e) {
do_check_eq(e.result, Cr.NS_ERROR_INVALID_ARG);
}
run_next_test();
}
function test_asyncFetch_with_nsIChannel()
{
const TEST_DATA = "this is a test string";
// Start the http server, and register our handler.
let server = new HttpServer();
server.registerPathHandler("/test", function(aRequest, aResponse) {
aResponse.setStatusLine(aRequest.httpVersion, 200, "OK");
aResponse.setHeader("Content-Type", "text/plain", false);
aResponse.write(TEST_DATA);
});
server.start(-1);
// Create our channel.
let channel = NetUtil.newChannel({
uri: "http://localhost:" + server.identity.primaryPort + "/test",
loadUsingSystemPrincipal: true,
});
// Open our channel asynchronously.
NetUtil.asyncFetch(channel, function(aInputStream, aResult) {
// Check that we had success.
do_check_true(Components.isSuccessCode(aResult));
// Check that we got the right data.
do_check_eq(aInputStream.available(), TEST_DATA.length);
let is = Cc["@mozilla.org/scriptableinputstream;1"].
createInstance(Ci.nsIScriptableInputStream);
is.init(aInputStream);
let result = is.read(TEST_DATA.length);
do_check_eq(TEST_DATA, result);
server.stop(run_next_test);
});
}
function test_asyncFetch_with_nsIURI()
{
const TEST_DATA = "this is a test string";
// Start the http server, and register our handler.
let server = new HttpServer();
server.registerPathHandler("/test", function(aRequest, aResponse) {
aResponse.setStatusLine(aRequest.httpVersion, 200, "OK");
aResponse.setHeader("Content-Type", "text/plain", false);
aResponse.write(TEST_DATA);
});
server.start(-1);
// Create our URI.
let uri = NetUtil.newURI("http://localhost:" +
server.identity.primaryPort + "/test");
// Open our URI asynchronously.
NetUtil.asyncFetch({
uri,
loadUsingSystemPrincipal: true,
}, function(aInputStream, aResult) {
// Check that we had success.
do_check_true(Components.isSuccessCode(aResult));
// Check that we got the right data.
do_check_eq(aInputStream.available(), TEST_DATA.length);
let is = Cc["@mozilla.org/scriptableinputstream;1"].
createInstance(Ci.nsIScriptableInputStream);
is.init(aInputStream);
let result = is.read(TEST_DATA.length);
do_check_eq(TEST_DATA, result);
server.stop(run_next_test);
},
null, // aLoadingNode
Services.scriptSecurityManager.getSystemPrincipal(),
null, // aTriggeringPrincipal
Ci.nsILoadInfo.SEC_NORMAL,
Ci.nsIContentPolicy.TYPE_OTHER);
}
function test_asyncFetch_with_string()
{
const TEST_DATA = "this is a test string";
// Start the http server, and register our handler.
let server = new HttpServer();
server.registerPathHandler("/test", function(aRequest, aResponse) {
aResponse.setStatusLine(aRequest.httpVersion, 200, "OK");
aResponse.setHeader("Content-Type", "text/plain", false);
aResponse.write(TEST_DATA);
});
server.start(-1);
// Open our location asynchronously.
NetUtil.asyncFetch({
uri: "http://localhost:" + server.identity.primaryPort + "/test",
loadUsingSystemPrincipal: true,
}, function(aInputStream, aResult) {
// Check that we had success.
do_check_true(Components.isSuccessCode(aResult));
// Check that we got the right data.
do_check_eq(aInputStream.available(), TEST_DATA.length);
let is = Cc["@mozilla.org/scriptableinputstream;1"].
createInstance(Ci.nsIScriptableInputStream);
is.init(aInputStream);
let result = is.read(TEST_DATA.length);
do_check_eq(TEST_DATA, result);
server.stop(run_next_test);
},
null, // aLoadingNode
Services.scriptSecurityManager.getSystemPrincipal(),
null, // aTriggeringPrincipal
Ci.nsILoadInfo.SEC_NORMAL,
Ci.nsIContentPolicy.TYPE_OTHER);
}
function test_asyncFetch_with_nsIFile()
{
const TEST_DATA = "this is a test string";
// First we need a file to read from.
let file = Cc["@mozilla.org/file/directory_service;1"].
getService(Ci.nsIProperties).
get("ProfD", Ci.nsIFile);
file.append("NetUtil-asyncFetch-test-file.tmp");
file.createUnique(Ci.nsIFile.NORMAL_FILE_TYPE, 0666);
// Write the test data to the file.
let ostream = Cc["@mozilla.org/network/file-output-stream;1"].
createInstance(Ci.nsIFileOutputStream);
ostream.init(file, -1, -1, 0);
ostream.write(TEST_DATA, TEST_DATA.length);
// Sanity check to make sure the data was written.
do_check_eq(TEST_DATA, getFileContents(file));
// Open our file asynchronously.
// Note that this causes main-tread I/O and should be avoided in production.
NetUtil.asyncFetch({
uri: NetUtil.newURI(file),
loadUsingSystemPrincipal: true,
}, function(aInputStream, aResult) {
// Check that we had success.
do_check_true(Components.isSuccessCode(aResult));
// Check that we got the right data.
do_check_eq(aInputStream.available(), TEST_DATA.length);
let is = Cc["@mozilla.org/scriptableinputstream;1"].
createInstance(Ci.nsIScriptableInputStream);
is.init(aInputStream);
let result = is.read(TEST_DATA.length);
do_check_eq(TEST_DATA, result);
run_next_test();
},
null, // aLoadingNode
Services.scriptSecurityManager.getSystemPrincipal(),
null, // aTriggeringPrincipal
Ci.nsILoadInfo.SEC_NORMAL,
Ci.nsIContentPolicy.TYPE_OTHER);
}
function test_asyncFetch_with_nsIInputString()
{
const TEST_DATA = "this is a test string";
let istream = Cc["@mozilla.org/io/string-input-stream;1"].
createInstance(Ci.nsIStringInputStream);
istream.setData(TEST_DATA, TEST_DATA.length);
// Read the input stream asynchronously.
NetUtil.asyncFetch(istream, function(aInputStream, aResult) {
// Check that we had success.
do_check_true(Components.isSuccessCode(aResult));
// Check that we got the right data.
do_check_eq(aInputStream.available(), TEST_DATA.length);
do_check_eq(NetUtil.readInputStreamToString(aInputStream, TEST_DATA.length),
TEST_DATA);
run_next_test();
},
null, // aLoadingNode
Services.scriptSecurityManager.getSystemPrincipal(),
null, // aTriggeringPrincipal
Ci.nsILoadInfo.SEC_NORMAL,
Ci.nsIContentPolicy.TYPE_OTHER);
}
function test_asyncFetch_does_not_block()
{
// Create our channel that has no data.
let channel = NetUtil.newChannel({
uri: "data:text/plain,",
loadUsingSystemPrincipal: true,
});
// Open our channel asynchronously.
NetUtil.asyncFetch(channel, function(aInputStream, aResult) {
// Check that we had success.
do_check_true(Components.isSuccessCode(aResult));
// Check that reading a byte throws that the stream was closed (as opposed
// saying it would block).
let is = Cc["@mozilla.org/scriptableinputstream;1"].
createInstance(Ci.nsIScriptableInputStream);
is.init(aInputStream);
try {
is.read(1);
do_throw("should throw!");
}
catch (e) {
do_check_eq(e.result, Cr.NS_BASE_STREAM_CLOSED);
}
run_next_test();
});
}
function test_newChannel_no_specifier()
{
try {
NetUtil.newChannel();
do_throw("should throw!");
}
catch (e) {
do_check_eq(e.result, Cr.NS_ERROR_INVALID_ARG);
}
run_next_test();
}
function test_newChannel_with_string()
{
const TEST_SPEC = "http://mozilla.org";
// Check that we get the same URI back from channel the IO service creates and
// the channel the utility method creates.
let ios = NetUtil.ioService;
let iosChannel = ios.newChannel2(TEST_SPEC,
null,
null,
null, // aLoadingNode
Services.scriptSecurityManager.getSystemPrincipal(),
null, // aTriggeringPrincipal
Ci.nsILoadInfo.SEC_NORMAL,
Ci.nsIContentPolicy.TYPE_OTHER);
let NetUtilChannel = NetUtil.newChannel({
uri: TEST_SPEC,
loadUsingSystemPrincipal: true
});
do_check_true(iosChannel.URI.equals(NetUtilChannel.URI));
run_next_test();
}
function test_newChannel_with_nsIURI()
{
const TEST_SPEC = "http://mozilla.org";
// Check that we get the same URI back from channel the IO service creates and
// the channel the utility method creates.
let uri = NetUtil.newURI(TEST_SPEC);
let iosChannel = NetUtil.ioService.newChannelFromURI2(uri,
null, // aLoadingNode
Services.scriptSecurityManager.getSystemPrincipal(),
null, // aTriggeringPrincipal
Ci.nsILoadInfo.SEC_NORMAL,
Ci.nsIContentPolicy.TYPE_OTHER);
let NetUtilChannel = NetUtil.newChannel({
uri: uri,
loadUsingSystemPrincipal: true
});
do_check_true(iosChannel.URI.equals(NetUtilChannel.URI));
run_next_test();
}
function test_newChannel_with_options()
{
let uri = "data:text/plain,";
let iosChannel = NetUtil.ioService.newChannelFromURI2(NetUtil.newURI(uri),
null, // aLoadingNode
Services.scriptSecurityManager.getSystemPrincipal(),
null, // aTriggeringPrincipal
Ci.nsILoadInfo.SEC_NORMAL,
Ci.nsIContentPolicy.TYPE_OTHER);
function checkEqualToIOSChannel(channel) {
do_check_true(iosChannel.URI.equals(channel.URI));
}
checkEqualToIOSChannel(NetUtil.newChannel({
uri,
loadingPrincipal: Services.scriptSecurityManager.getSystemPrincipal(),
contentPolicyType: Ci.nsIContentPolicy.TYPE_OTHER,
}));
checkEqualToIOSChannel(NetUtil.newChannel({
uri,
loadUsingSystemPrincipal: true,
}));
run_next_test();
}
function test_newChannel_with_wrong_options()
{
let uri = "data:text/plain,";
let systemPrincipal = Services.scriptSecurityManager.getSystemPrincipal();
Assert.throws(() => {
NetUtil.newChannel({ uri, loadUsingSystemPrincipal: true }, null, null);
}, /requires a single object argument/);
Assert.throws(() => {
NetUtil.newChannel({});
}, /requires the 'uri' property/);
Assert.throws(() => {
NetUtil.newChannel({ uri });
}, /requires at least one of the 'loadingNode'/);
Assert.throws(() => {
NetUtil.newChannel({
uri,
loadingPrincipal: systemPrincipal,
});
}, /requires the 'contentPolicyType'/);
Assert.throws(() => {
NetUtil.newChannel({
uri,
loadUsingSystemPrincipal: systemPrincipal,
});
}, /to be 'true' or 'undefined'/);
Assert.throws(() => {
NetUtil.newChannel({
uri,
loadingPrincipal: systemPrincipal,
loadUsingSystemPrincipal: true,
});
}, /does not accept 'loadUsingSystemPrincipal'/);
run_next_test();
}
function test_readInputStreamToString()
{
const TEST_DATA = "this is a test string\0 with an embedded null";
let istream = Cc["@mozilla.org/io/string-input-stream;1"].
createInstance(Ci.nsISupportsCString);
istream.data = TEST_DATA;
do_check_eq(NetUtil.readInputStreamToString(istream, TEST_DATA.length),
TEST_DATA);
run_next_test();
}
function test_readInputStreamToString_no_input_stream()
{
try {
NetUtil.readInputStreamToString("hi", 2);
do_throw("should throw!");
}
catch (e) {
do_check_eq(e.result, Cr.NS_ERROR_INVALID_ARG);
}
run_next_test();
}
function test_readInputStreamToString_no_bytes_arg()
{
const TEST_DATA = "this is a test string";
let istream = Cc["@mozilla.org/io/string-input-stream;1"].
createInstance(Ci.nsIStringInputStream);
istream.setData(TEST_DATA, TEST_DATA.length);
try {
NetUtil.readInputStreamToString(istream);
do_throw("should throw!");
}
catch (e) {
do_check_eq(e.result, Cr.NS_ERROR_INVALID_ARG);
}
run_next_test();
}
function test_readInputStreamToString_blocking_stream()
{
let pipe = Cc["@mozilla.org/pipe;1"].createInstance(Ci.nsIPipe);
pipe.init(true, true, 0, 0, null);
try {
NetUtil.readInputStreamToString(pipe.inputStream, 10);
do_throw("should throw!");
}
catch (e) {
do_check_eq(e.result, Cr.NS_BASE_STREAM_WOULD_BLOCK);
}
run_next_test();
}
function test_readInputStreamToString_too_many_bytes()
{
const TEST_DATA = "this is a test string";
let istream = Cc["@mozilla.org/io/string-input-stream;1"].
createInstance(Ci.nsIStringInputStream);
istream.setData(TEST_DATA, TEST_DATA.length);
try {
NetUtil.readInputStreamToString(istream, TEST_DATA.length + 10);
do_throw("should throw!");
}
catch (e) {
do_check_eq(e.result, Cr.NS_ERROR_FAILURE);
}
run_next_test();
}
function test_readInputStreamToString_with_charset()
{
const TEST_DATA = "\uff10\uff11\uff12\uff13";
const TEST_DATA_UTF8 = "\xef\xbc\x90\xef\xbc\x91\xef\xbc\x92\xef\xbc\x93";
const TEST_DATA_SJIS = "\x82\x4f\x82\x50\x82\x51\x82\x52";
let istream = Cc["@mozilla.org/io/string-input-stream;1"].
createInstance(Ci.nsIStringInputStream);
istream.setData(TEST_DATA_UTF8, TEST_DATA_UTF8.length);
do_check_eq(NetUtil.readInputStreamToString(istream,
TEST_DATA_UTF8.length,
{ charset: "UTF-8"}),
TEST_DATA);
istream.setData(TEST_DATA_SJIS, TEST_DATA_SJIS.length);
do_check_eq(NetUtil.readInputStreamToString(istream,
TEST_DATA_SJIS.length,
{ charset: "Shift_JIS"}),
TEST_DATA);
run_next_test();
}
function test_readInputStreamToString_invalid_sequence()
{
const TEST_DATA = "\ufffd\ufffd\ufffd\ufffd";
const TEST_DATA_UTF8 = "\xaa\xaa\xaa\xaa";
let istream = Cc["@mozilla.org/io/string-input-stream;1"].
createInstance(Ci.nsIStringInputStream);
istream.setData(TEST_DATA_UTF8, TEST_DATA_UTF8.length);
try {
NetUtil.readInputStreamToString(istream,
TEST_DATA_UTF8.length,
{ charset: "UTF-8" });
do_throw("should throw!");
} catch (e) {
do_check_eq(e.result, Cr.NS_ERROR_ILLEGAL_INPUT);
}
istream.setData(TEST_DATA_UTF8, TEST_DATA_UTF8.length);
do_check_eq(NetUtil.readInputStreamToString(istream,
TEST_DATA_UTF8.length, {
charset: "UTF-8",
replacement: Ci.nsIConverterInputStream.DEFAULT_REPLACEMENT_CHARACTER}),
TEST_DATA);
run_next_test();
}
////////////////////////////////////////////////////////////////////////////////
//// Test Runner
[
test_async_copy,
test_async_write_file,
test_async_write_file_deferred,
test_async_write_file_safe,
test_async_write_file_safe_deferred,
test_newURI_no_spec_throws,
test_newURI,
test_newURI_takes_nsIFile,
test_ioService,
test_asyncFetch_no_channel,
test_asyncFetch_no_callback,
test_asyncFetch_with_nsIChannel,
test_asyncFetch_with_nsIURI,
test_asyncFetch_with_string,
test_asyncFetch_with_nsIFile,
test_asyncFetch_with_nsIInputString,
test_asyncFetch_does_not_block,
test_newChannel_no_specifier,
test_newChannel_with_string,
test_newChannel_with_nsIURI,
test_newChannel_with_options,
test_newChannel_with_wrong_options,
test_readInputStreamToString,
test_readInputStreamToString_no_input_stream,
test_readInputStreamToString_no_bytes_arg,
test_readInputStreamToString_blocking_stream,
test_readInputStreamToString_too_many_bytes,
test_readInputStreamToString_with_charset,
test_readInputStreamToString_invalid_sequence,
].forEach(add_test);
var index = 0;
function run_test()
{
run_next_test();
}