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// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/base/host_resolver.h"
#if defined(OS_WIN)
#include <ws2tcpip.h>
#include <wspiapi.h>
#elif defined(OS_POSIX)
#include <netdb.h>
#endif
#include <string>
#include "base/compiler_specific.h"
#include "base/message_loop.h"
#include "base/ref_counted.h"
#include "net/base/address_list.h"
#include "net/base/completion_callback.h"
#include "net/base/host_resolver_unittest.h"
#include "net/base/net_errors.h"
#include "testing/gtest/include/gtest/gtest.h"
using net::RuleBasedHostMapper;
using net::ScopedHostMapper;
using net::WaitingHostMapper;
namespace {
class HostResolverTest : public testing::Test {
public:
HostResolverTest()
: callback_called_(false),
ALLOW_THIS_IN_INITIALIZER_LIST(
callback_(this, &HostResolverTest::OnLookupFinished)) {
}
protected:
bool callback_called_;
int callback_result_;
net::CompletionCallbackImpl<HostResolverTest> callback_;
private:
void OnLookupFinished(int result) {
callback_called_ = true;
callback_result_ = result;
MessageLoop::current()->Quit();
}
};
TEST_F(HostResolverTest, SynchronousLookup) {
net::HostResolver host_resolver;
net::AddressList adrlist;
const int kPortnum = 80;
scoped_refptr<RuleBasedHostMapper> mapper = new RuleBasedHostMapper();
mapper->AddRule("just.testing", "192.168.1.42");
ScopedHostMapper scoped_mapper(mapper.get());
int err = host_resolver.Resolve("just.testing", kPortnum, &adrlist, NULL);
EXPECT_EQ(net::OK, err);
const struct addrinfo* ainfo = adrlist.head();
EXPECT_EQ(static_cast<addrinfo*>(NULL), ainfo->ai_next);
EXPECT_EQ(sizeof(struct sockaddr_in), ainfo->ai_addrlen);
const struct sockaddr* sa = ainfo->ai_addr;
const struct sockaddr_in* sa_in = (const struct sockaddr_in*) sa;
EXPECT_TRUE(htons(kPortnum) == sa_in->sin_port);
EXPECT_TRUE(htonl(0xc0a8012a) == sa_in->sin_addr.s_addr);
}
TEST_F(HostResolverTest, AsynchronousLookup) {
net::HostResolver host_resolver;
net::AddressList adrlist;
const int kPortnum = 80;
scoped_refptr<RuleBasedHostMapper> mapper = new RuleBasedHostMapper();
mapper->AddRule("just.testing", "192.168.1.42");
ScopedHostMapper scoped_mapper(mapper.get());
int err = host_resolver.Resolve("just.testing", kPortnum, &adrlist,
&callback_);
EXPECT_EQ(net::ERR_IO_PENDING, err);
MessageLoop::current()->Run();
ASSERT_TRUE(callback_called_);
ASSERT_EQ(net::OK, callback_result_);
const struct addrinfo* ainfo = adrlist.head();
EXPECT_EQ(static_cast<addrinfo*>(NULL), ainfo->ai_next);
EXPECT_EQ(sizeof(struct sockaddr_in), ainfo->ai_addrlen);
const struct sockaddr* sa = ainfo->ai_addr;
const struct sockaddr_in* sa_in = (const struct sockaddr_in*) sa;
EXPECT_TRUE(htons(kPortnum) == sa_in->sin_port);
EXPECT_TRUE(htonl(0xc0a8012a) == sa_in->sin_addr.s_addr);
}
TEST_F(HostResolverTest, CanceledAsynchronousLookup) {
scoped_refptr<WaitingHostMapper> mapper = new WaitingHostMapper();
ScopedHostMapper scoped_mapper(mapper.get());
{
net::HostResolver host_resolver;
net::AddressList adrlist;
const int kPortnum = 80;
int err = host_resolver.Resolve("just.testing", kPortnum, &adrlist,
&callback_);
EXPECT_EQ(net::ERR_IO_PENDING, err);
// Make sure we will exit the queue even when callback is not called.
MessageLoop::current()->PostDelayedTask(FROM_HERE,
new MessageLoop::QuitTask(),
1000);
MessageLoop::current()->Run();
}
mapper->Signal();
EXPECT_FALSE(callback_called_);
}
TEST_F(HostResolverTest, NumericAddresses) {
// Stevens says dotted quads with AI_UNSPEC resolve to a single sockaddr_in.
net::HostResolver host_resolver;
net::AddressList adrlist;
const int kPortnum = 5555;
int err = host_resolver.Resolve("127.0.0.1", kPortnum, &adrlist, NULL);
EXPECT_EQ(net::OK, err);
const struct addrinfo* ainfo = adrlist.head();
EXPECT_EQ(static_cast<addrinfo*>(NULL), ainfo->ai_next);
EXPECT_EQ(sizeof(struct sockaddr_in), ainfo->ai_addrlen);
const struct sockaddr* sa = ainfo->ai_addr;
const struct sockaddr_in* sa_in = (const struct sockaddr_in*) sa;
EXPECT_TRUE(htons(kPortnum) == sa_in->sin_port);
EXPECT_TRUE(htonl(0x7f000001) == sa_in->sin_addr.s_addr);
}
} // namespace
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