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26b0f687 CH |
1 | /* |
2 | The software in this package is distributed under the GNU General | |
3 | Public License version 2 (with a special exception described below). | |
4 | ||
5 | A copy of GNU General Public License (GPL) is included in this distribution, | |
6 | in the file COPYING.GPL. | |
7 | ||
8 | As a special exception, if other files instantiate templates or use macros | |
9 | or inline functions from this file, or you compile this file and link it | |
10 | with other works to produce a work based on this file, this file | |
11 | does not by itself cause the resulting work to be covered | |
12 | by the GNU General Public License. | |
13 | ||
14 | However the source code for this file must still be made available | |
15 | in accordance with section (3) of the GNU General Public License. | |
16 | ||
17 | This exception does not invalidate any other reasons why a work based | |
18 | on this file might be covered by the GNU General Public License. | |
19 | */ | |
20 | ||
21 | #define BOOST_TEST_MAIN | |
22 | #define BOOST_TEST_DYN_LINK | |
23 | ||
24 | #include <algorithm> | |
25 | ||
26 | #include <boost/test/unit_test.hpp> | |
27 | #include <boost/asio/io_service.hpp> | |
28 | #include <boost/asio/ip/address.hpp> | |
8d26221d CH |
29 | #include <boost/bind.hpp> |
30 | ||
31 | #include <logfunc.hpp> | |
26b0f687 CH |
32 | |
33 | #include "host/pingprotocol.h" | |
34 | #include "dns/hostaddress.h" | |
35 | #include "dns/dnsmaster.h" | |
36 | #include "dns/dnscache.h" | |
37 | #include "dns/resolverbase.h" | |
8d26221d CH |
38 | #include "dns/cname.h" |
39 | ||
40 | using boost::asio::ip::address; | |
26b0f687 CH |
41 | |
42 | //------------------------------------------------------------------------------ | |
8d26221d | 43 | // Global Test fixture (created once for test suite) |
26b0f687 CH |
44 | //------------------------------------------------------------------------------ |
45 | ||
8d26221d CH |
46 | // constants for master |
47 | address name_server = address::from_string("127.0.0.1"); | |
f833126b CH |
48 | int resolved_ip_ttl_threshold = 5; |
49 | uint32_t min_time_between_resolves = 3; // should be < resolved_ip_ttl_threshold | |
8d26221d CH |
50 | int max_address_resolution_attempts = 2; |
51 | std::string cache_file = DnsCache::DoNotUseCacheFile; | |
52 | ||
53 | // rely on boost that there will only be one instance | |
54 | struct GlobalFixture; | |
55 | GlobalFixture *global_fixture; | |
26b0f687 | 56 | |
8d26221d CH |
57 | |
58 | struct GlobalFixture | |
26b0f687 | 59 | { |
8d26221d CH |
60 | |
61 | GlobalFixture() | |
62 | : IoService() | |
63 | , Cache() | |
64 | , Master() | |
26b0f687 | 65 | { |
8d26221d CH |
66 | BOOST_TEST_MESSAGE("Create global fixture"); |
67 | ||
68 | // setup logging so we can see output from out code | |
69 | I2n::Logger::enable_stderr_log( true ); | |
4389b86d | 70 | I2n::Logger::set_log_level( I2n::Logger::LogLevel::Info ); |
8d26221d CH |
71 | I2n::Logger::GlobalLogger.info() << "Logging enabled for DnsTest"; |
72 | ||
73 | // IoService | |
74 | IoServiceItem io_service_temp( new boost::asio::io_service() ); | |
75 | io_service_temp.swap( IoService ); | |
76 | io_service_temp.reset(); | |
77 | ||
78 | // DNS Cache | |
79 | DnsCacheItem cache_temp = DnsCacheItem( | |
f833126b | 80 | new DnsCache(IoService, cache_file, min_time_between_resolves) ); |
8d26221d CH |
81 | cache_temp.swap( Cache ); |
82 | cache_temp.reset(); | |
83 | fill_cache(); | |
84 | ||
85 | // create master | |
86 | DnsMaster::create_master(IoService, | |
26b0f687 CH |
87 | name_server, |
88 | resolved_ip_ttl_threshold, | |
89 | max_address_resolution_attempts, | |
8d26221d CH |
90 | Cache); |
91 | Master = DnsMaster::get_instance(); | |
92 | ||
93 | // remember this instance, so we can later access all these variables | |
94 | if (global_fixture == 0) | |
95 | global_fixture = this; | |
26b0f687 | 96 | } |
8d26221d CH |
97 | |
98 | ~GlobalFixture() | |
99 | { | |
100 | BOOST_TEST_MESSAGE("Destructing global fixture"); | |
101 | IoService->stop(); | |
102 | IoService.reset(); | |
103 | Master.reset(); | |
104 | } | |
105 | ||
106 | void fill_cache() | |
107 | { | |
108 | BOOST_TEST_MESSAGE( "Filling cache..." ); | |
109 | { | |
110 | HostAddress ip(address::from_string("192.168.42.1"), 61); | |
111 | HostAddressVec ips; | |
112 | ips.push_back(ip); | |
113 | Cache->update("host1.test", ips); | |
114 | } | |
115 | ||
116 | { | |
117 | HostAddress ip1(address::from_string("192.168.42.2"), 92); | |
118 | HostAddress ip2(address::from_string("192.168.42.3"), 93); | |
119 | HostAddressVec ips; | |
120 | ips.push_back(ip1); | |
121 | ips.push_back(ip2); | |
122 | Cache->update("host2_3.test", ips); | |
123 | } | |
124 | ||
00c81aa0 CH |
125 | { |
126 | // cname.test --> host1.test | |
127 | Cache->update("cname.test", Cname("host1.test", 35) ); | |
8d26221d | 128 | |
00c81aa0 CH |
129 | // cname2.test --> cname.test --> host1.test |
130 | Cache->update("cname2.test", Cname("cname.test", 33) ); | |
9d1b2726 | 131 | |
00c81aa0 CH |
132 | // cname3.test --> cname2.test --> cname.test --> host1.test |
133 | Cache->update("cname3.test", Cname("cname2.test", 37) ); | |
134 | } | |
135 | ||
f833126b | 136 | { // for cache_outdated_test |
00c81aa0 CH |
137 | HostAddressVec ips; |
138 | ips.push_back( HostAddress( address::from_string("192.168.42.4"), | |
139 | 0 ) ); | |
140 | ips.push_back( HostAddress( address::from_string("192.168.42.5"), | |
141 | resolved_ip_ttl_threshold-1 ) ); | |
142 | ips.push_back( HostAddress( address::from_string("192.168.42.6"), | |
143 | resolved_ip_ttl_threshold ) ); | |
144 | ips.push_back( HostAddress( address::from_string("192.168.42.7"), | |
145 | resolved_ip_ttl_threshold+1 ) ); | |
146 | Cache->update("host_outdated.test", ips); | |
147 | ||
148 | Cache->update( "cname_outdated.test", | |
149 | Cname("host_outdated.test", resolved_ip_ttl_threshold) ); | |
150 | Cache->update( "cname_up_to_date.test", | |
151 | Cname("host_outdated.test", resolved_ip_ttl_threshold+1)); | |
152 | } | |
8d26221d | 153 | |
f833126b CH |
154 | { // for cache_ttl_below_thresh_test |
155 | // TTLs < min_time_between_resolves should be corrected | |
156 | HostAddressVec ips; | |
157 | ips.push_back( HostAddress( address::from_string("192.128.42.8"), | |
158 | 1 ) ); | |
159 | Cache->update("host_ttl_below_thresh.test", ips); | |
160 | ||
161 | Cache->update( "cname_ttl_below_thresh.test", | |
162 | Cname("host_ttl_below_thresh.test", 2) ); | |
163 | } | |
164 | ||
8d26221d CH |
165 | BOOST_TEST_MESSAGE( "Done filling cache." ); |
166 | } | |
167 | ||
168 | // these variables will not be available in test cases: | |
169 | IoServiceItem IoService; | |
170 | DnsCacheItem Cache; | |
171 | DnsMasterItem Master; | |
172 | }; | |
173 | ||
174 | // this causes above fixture to be created only once before tests start and | |
175 | // destructed after tests end; however, variables are not accessible in test | |
176 | // cases | |
177 | BOOST_GLOBAL_FIXTURE( GlobalFixture ) | |
178 | ||
179 | ||
180 | // using this as suite-level fixture makes variable Master accessible in all | |
181 | // test cases | |
182 | struct TestFixture | |
183 | { | |
184 | IoServiceItem IoService; | |
185 | DnsCacheItem Cache; | |
186 | DnsMasterItem Master; | |
187 | ||
188 | TestFixture() | |
189 | : IoService() | |
190 | , Cache() | |
191 | , Master() | |
192 | { | |
193 | BOOST_TEST_MESSAGE("Create test-level fixture"); | |
194 | GlobalFixture *global = global_fixture; | |
195 | IoService = global->IoService; | |
196 | Cache = global->Cache; | |
197 | Master = global->Master; | |
198 | } | |
199 | ||
200 | virtual ~TestFixture() {} | |
201 | }; | |
26b0f687 CH |
202 | |
203 | //------------------------------------------------------------------------------ | |
204 | // test suite | |
205 | //------------------------------------------------------------------------------ | |
206 | ||
8d26221d | 207 | BOOST_FIXTURE_TEST_SUITE( TestDns, TestFixture ) |
26b0f687 CH |
208 | |
209 | BOOST_AUTO_TEST_CASE( create_master ) | |
210 | { | |
8d26221d CH |
211 | // simple checks |
212 | BOOST_CHECK_EQUAL( Master->get_resolved_ip_ttl_threshold(), | |
213 | resolved_ip_ttl_threshold ); | |
214 | BOOST_CHECK_EQUAL( Master->get_max_address_resolution_attempts(), | |
215 | max_address_resolution_attempts ); | |
26b0f687 CH |
216 | } |
217 | ||
8d26221d CH |
218 | //------------------------------------------------------------------------------ |
219 | // test Cache | |
220 | //------------------------------------------------------------------------------ | |
221 | BOOST_FIXTURE_TEST_SUITE( TestDnsCache, TestFixture ) | |
222 | ||
223 | BOOST_AUTO_TEST_CASE( cache_retrieve_ip1 ) | |
26b0f687 | 224 | { |
8d26221d | 225 | HostAddressVec ips = Cache->get_ips("host1.test"); |
f833126b | 226 | BOOST_REQUIRE_EQUAL( ips.size(), 1 ); |
8d26221d | 227 | HostAddress ip = ips.front(); |
4389b86d | 228 | BOOST_CHECK( ip.is_valid() ); |
8d26221d CH |
229 | BOOST_CHECK_EQUAL( ip.get_ip().to_string(), "192.168.42.1" ); |
230 | BOOST_CHECK_EQUAL( ip.get_ttl().get_value(), 61 ); | |
231 | } | |
232 | ||
233 | ||
234 | BOOST_AUTO_TEST_CASE( cache_retrieve_ip2 ) | |
235 | { | |
236 | HostAddressVec ips = Cache->get_ips("host2_3.test"); | |
237 | BOOST_CHECK_EQUAL( ips.size(), 2 ); | |
238 | HostAddress ip = ips[0]; | |
4389b86d | 239 | BOOST_CHECK( ip.is_valid() ); |
8d26221d CH |
240 | BOOST_CHECK_EQUAL( ip.get_ip().to_string(), "192.168.42.2" ); |
241 | BOOST_CHECK_EQUAL( ip.get_ttl().get_value(), 92 ); | |
242 | ip = ips[1]; | |
4389b86d | 243 | BOOST_CHECK( ip.is_valid() ); |
8d26221d CH |
244 | BOOST_CHECK_EQUAL( ip.get_ip().to_string(), "192.168.42.3" ); |
245 | BOOST_CHECK_EQUAL( ip.get_ttl().get_value(), 93 ); | |
246 | } | |
26b0f687 | 247 | |
8d26221d CH |
248 | BOOST_AUTO_TEST_CASE( cache_retrieve_cname ) |
249 | { | |
250 | HostAddressVec ips = Cache->get_ips("cname.test"); | |
251 | BOOST_CHECK( ips.empty() ); | |
252 | ||
253 | Cname cname = Cache->get_cname("cname.test"); | |
254 | BOOST_CHECK_EQUAL( cname.Host, "host1.test" ); | |
255 | BOOST_CHECK_EQUAL( cname.Ttl.get_value(), 35 ); | |
256 | } | |
257 | ||
258 | BOOST_AUTO_TEST_CASE( cache_retrieve_recursive1 ) | |
259 | { | |
260 | // should get IP from host1 but ttl from cname since is smaller | |
261 | HostAddressVec ips = Cache->get_ips_recursive("cname.test"); | |
f833126b | 262 | BOOST_REQUIRE_EQUAL( ips.size(), 1 ); |
8d26221d | 263 | HostAddress ip = ips.front(); |
4389b86d | 264 | BOOST_CHECK( ip.is_valid() ); |
8d26221d CH |
265 | BOOST_CHECK_EQUAL( ip.get_ip().to_string(), "192.168.42.1" ); |
266 | BOOST_CHECK_EQUAL( ip.get_ttl().get_value(), 35 ); | |
267 | } | |
268 | ||
269 | BOOST_AUTO_TEST_CASE( cache_retrieve_recursive2 ) | |
270 | { | |
271 | // should get IP from host1 but ttl from cname2 since is smaller | |
272 | HostAddressVec ips = Cache->get_ips_recursive("cname3.test"); | |
f833126b | 273 | BOOST_REQUIRE_EQUAL( ips.size(), 1 ); |
8d26221d | 274 | HostAddress ip = ips.front(); |
4389b86d | 275 | BOOST_CHECK( ip.is_valid() ); |
8d26221d CH |
276 | BOOST_CHECK_EQUAL( ip.get_ip().to_string(), "192.168.42.1" ); |
277 | BOOST_CHECK_EQUAL( ip.get_ttl().get_value(), 33 ); | |
278 | } | |
279 | ||
9d1b2726 CH |
280 | void cname_skip_test(const uint32_t ttl1, const uint32_t ttl2, |
281 | const uint32_t ttl3, const uint32_t ttl4, | |
282 | const DnsCacheItem &cache, | |
283 | const std::string &correct_host_after_skip) | |
8d26221d | 284 | { |
9d1b2726 CH |
285 | { // create cname chain: |
286 | // skip_chain_first -(ttl1)-> skip_chain_second -(ttl2)-> | |
287 | // skip_chain_third -(ttl3)-> skip_chain_fourth -(ttl4)-> IPs | |
288 | cache->update( "skip_chain_first.test", | |
289 | Cname("skip_chain_second.test", ttl1) ); | |
290 | cache->update( "skip_chain_second.test", | |
291 | Cname("skip_chain_third.test", ttl2) ); | |
292 | cache->update( "skip_chain_third.test", | |
293 | Cname("skip_chain_fourth.test", ttl3) ); | |
8d26221d | 294 | HostAddressVec ips; |
00c81aa0 CH |
295 | ips.push_back( HostAddress( address::from_string("192.168.42.100"), |
296 | ttl4 ) ); | |
9d1b2726 | 297 | cache->update("skip_chain_fourth.test", ips); |
8d26221d CH |
298 | } |
299 | ||
9d1b2726 | 300 | // normal recursive call should give nothing since one cname is outdated |
8d26221d | 301 | bool check_up_to_date = true; |
9d1b2726 | 302 | HostAddressVec ips = cache->get_ips_recursive("skip_chain_first.test", |
8d26221d | 303 | check_up_to_date); |
9d1b2726 CH |
304 | bool one_is_out_of_date = (ttl1 < 5) || (ttl2 < 5) |
305 | || (ttl3 < 5) || (ttl4 < 5); | |
306 | BOOST_CHECK_EQUAL( ips.empty(), one_is_out_of_date ); | |
8d26221d | 307 | |
9d1b2726 CH |
308 | // now find host to resolve after the outdated one |
309 | std::string first_outdated = cache->get_first_outdated_cname( | |
8d26221d | 310 | "skip_chain_first.test", 5); |
9d1b2726 CH |
311 | BOOST_CHECK_EQUAL( first_outdated, correct_host_after_skip ); |
312 | } | |
313 | ||
314 | BOOST_AUTO_TEST_CASE( cache_skip_tests ) | |
315 | { | |
316 | // build a cname chain where first one is out of date | |
317 | cname_skip_test(0, 120, 120, 60, Cache, "skip_chain_second.test"); | |
318 | ||
319 | // build a cname chain where second one is out of date | |
320 | cname_skip_test(120, 0, 120, 60, Cache, "skip_chain_third.test"); | |
321 | ||
322 | // build a cname chain where third one is out of date | |
323 | cname_skip_test(120, 120, 0, 120, Cache, "skip_chain_fourth.test"); | |
324 | ||
325 | // build a cname chain where just IPs are out of date | |
326 | cname_skip_test(120, 120, 120, 0, Cache, ""); | |
327 | ||
328 | // build a cname chain where all are out of date | |
329 | cname_skip_test(0, 0, 0, 0, Cache, "skip_chain_second.test"); | |
330 | ||
331 | // build a cname chain where all is up to date | |
332 | cname_skip_test(120, 120, 120, 120, Cache, ""); | |
333 | ||
334 | // test case with very short cname list that is up-to-date | |
335 | BOOST_CHECK_EQUAL( Cache->get_first_outdated_cname("cname.test", 5), "" ); | |
336 | ||
337 | // test case where there is no cname at all | |
338 | BOOST_CHECK_EQUAL( Cache->get_first_outdated_cname("host1.test", 5), "" ); | |
8d26221d CH |
339 | } |
340 | ||
4389b86d CH |
341 | BOOST_AUTO_TEST_CASE( cache_load_test ) |
342 | { | |
343 | std::stringstream file_name; | |
344 | file_name << DATA_DIR_STRING << "/" << "dns_cache_example.xml"; | |
345 | BOOST_TEST_MESSAGE( "loading cache from file " << file_name.str() ); | |
f833126b CH |
346 | DnsCache loaded_cache( IoService, |
347 | file_name.str(), | |
348 | min_time_between_resolves ); | |
4389b86d | 349 | HostAddressVec ips = loaded_cache.get_ips("abc.xyz"); |
f833126b | 350 | BOOST_REQUIRE_EQUAL( ips.size(), 1 ); |
4389b86d CH |
351 | HostAddress ip = ips.front(); |
352 | BOOST_CHECK_EQUAL( ip.get_ip().to_string(), "11.22.33.44" ); | |
353 | BOOST_CHECK_EQUAL( ip.get_ttl().get_value(), 567 ); | |
354 | BOOST_CHECK_EQUAL( ip.get_ttl().get_updated_value(), 0 ); | |
355 | ||
356 | Cname cname = loaded_cache.get_cname("cname1.xyz"); | |
357 | BOOST_CHECK_EQUAL( cname.Host, "abc.xyz" ); | |
358 | BOOST_CHECK_EQUAL( cname.Ttl.get_value(), 27 ); | |
359 | BOOST_CHECK_EQUAL( cname.Ttl.get_updated_value(), 0 ); | |
360 | ||
361 | // not testing Ttl set time since is private | |
362 | } | |
363 | ||
00c81aa0 CH |
364 | BOOST_AUTO_TEST_CASE( cache_outdated_test ) |
365 | { | |
366 | bool check_up_to_date = false; | |
367 | HostAddressVec ips = Cache->get_ips("host_outdated.test", check_up_to_date); | |
368 | BOOST_CHECK_EQUAL( ips.size(), 4 ); | |
369 | ips = Cache->get_ips_recursive("host_outdated.test", check_up_to_date); | |
370 | BOOST_CHECK_EQUAL( ips.size(), 4 ); | |
371 | Cname cname = Cache->get_cname("cname_outdated.test", check_up_to_date); | |
372 | BOOST_CHECK( !cname.Host.empty() ); | |
373 | ips = Cache->get_ips_recursive("cname_outdated.test", check_up_to_date); | |
374 | BOOST_CHECK_EQUAL( ips.size(), 4 ); | |
375 | ips = Cache->get_ips_recursive("cname_up_to_date.test", check_up_to_date); | |
376 | BOOST_CHECK_EQUAL( ips.size(), 4 ); | |
377 | ||
378 | check_up_to_date = true; | |
379 | ips = Cache->get_ips( "host_outdated.test", check_up_to_date ); | |
380 | BOOST_CHECK_EQUAL( ips.size(), 1 ); | |
381 | ips = Cache->get_ips_recursive("host_outdated.test", check_up_to_date); | |
382 | BOOST_CHECK_EQUAL( ips.size(), 1 ); | |
383 | cname = Cache->get_cname("cname_outdated.test", check_up_to_date); | |
384 | BOOST_CHECK( cname.Host.empty() ); | |
385 | ips = Cache->get_ips_recursive("cname_outdated.test", check_up_to_date); | |
386 | BOOST_CHECK_EQUAL( ips.size(), 0 ); | |
387 | ips = Cache->get_ips_recursive("cname_up_to_date.test", check_up_to_date); | |
388 | BOOST_CHECK_EQUAL( ips.size(), 1 ); | |
389 | } | |
390 | ||
f833126b CH |
391 | BOOST_AUTO_TEST_CASE( cache_ttl_below_thresh_test ) |
392 | { | |
393 | // in fill_cache, | |
394 | HostAddressVec ips = Cache->get_ips("host_ttl_below_thresh.test", false); | |
395 | BOOST_REQUIRE_EQUAL( ips.size(), 1 ); | |
396 | HostAddress ip = ips.front(); | |
397 | BOOST_CHECK_EQUAL( ip.get_ttl().get_value(), min_time_between_resolves ); | |
00c81aa0 | 398 | |
f833126b CH |
399 | Cname cname = Cache->get_cname("cname_ttl_below_thresh.test", false); |
400 | BOOST_CHECK_EQUAL( cname.Ttl.get_value(), min_time_between_resolves ); | |
401 | } | |
8d26221d CH |
402 | |
403 | BOOST_AUTO_TEST_SUITE_END() // of TestDnsCache | |
404 | ||
405 | ||
406 | // ----------------------------------------------------------------------------- | |
407 | // test resolver | |
408 | // ----------------------------------------------------------------------------- | |
409 | ||
410 | BOOST_FIXTURE_TEST_SUITE( TestDnsResolver, TestFixture ) | |
411 | ||
8d26221d CH |
412 | BOOST_AUTO_TEST_CASE( create_resolver_v4 ) |
413 | { | |
26b0f687 CH |
414 | // create resolver |
415 | std::string hostname = "www.intra2net.com"; | |
8d26221d CH |
416 | ResolverItem resolver = Master->get_resolver_for(hostname, |
417 | PingProtocol_ICMP); | |
26b0f687 CH |
418 | BOOST_CHECK_EQUAL( resolver->get_hostname(), hostname ); |
419 | BOOST_CHECK( !resolver->is_resolving() ); | |
4389b86d | 420 | BOOST_CHECK( !resolver->is_waiting_to_resolve() ); |
26b0f687 CH |
421 | |
422 | // cancel should have no effect | |
423 | resolver->cancel_resolve(); | |
424 | BOOST_CHECK( !resolver->is_resolving() ); | |
4389b86d | 425 | BOOST_CHECK( !resolver->is_waiting_to_resolve() ); |
26b0f687 CH |
426 | |
427 | // should not have any ips since cache did not load anything | |
428 | BOOST_CHECK_EQUAL( resolver->get_resolved_ip_count(), 0 ); | |
429 | BOOST_CHECK( !resolver->have_up_to_date_ip() ); | |
430 | std::string no_ip = "0.0.0.0"; | |
431 | BOOST_CHECK_EQUAL( resolver->get_next_ip().get_ip().to_string(), no_ip ); | |
432 | } | |
433 | ||
8d26221d CH |
434 | |
435 | void resolve_callback(IoServiceItem io_serv, ResolverItem resolver, | |
436 | const bool was_success, const int cname_count) | |
437 | { | |
438 | resolver->cancel_resolve(); | |
439 | io_serv->stop(); | |
440 | BOOST_TEST_MESSAGE( "Stopped io_service" ); | |
00c81aa0 CH |
441 | BOOST_CHECK( was_success ); |
442 | BOOST_CHECK_EQUAL( cname_count, 0 ); | |
8d26221d CH |
443 | } |
444 | ||
445 | ||
446 | BOOST_AUTO_TEST_CASE( do_resolve ) | |
447 | { | |
448 | // create resolver | |
449 | std::string hostname = "www.intra2net.com"; | |
450 | ResolverItem resolver = Master->get_resolver_for(hostname, | |
451 | PingProtocol_ICMP); | |
4389b86d CH |
452 | BOOST_CHECK( !resolver->is_resolving() ); |
453 | BOOST_CHECK( !resolver->is_waiting_to_resolve() ); | |
8d26221d CH |
454 | |
455 | // set callback | |
456 | callback_type callback = boost::bind( resolve_callback, IoService, resolver, | |
457 | _1, _2 ); | |
458 | // start resolving | |
459 | resolver->async_resolve(callback); | |
4389b86d | 460 | BOOST_CHECK( resolver->is_resolving() ); |
8d26221d CH |
461 | IoService->run(); |
462 | // this will block until io service is stopped in resolve_callback | |
463 | ||
464 | // check for result | |
465 | BOOST_CHECK( resolver->have_up_to_date_ip() ); | |
466 | } | |
467 | ||
468 | BOOST_AUTO_TEST_SUITE_END() // of TestDnsResolver | |
469 | ||
26b0f687 | 470 | BOOST_AUTO_TEST_SUITE_END() |