2 * Copyright (c) 2000 - 2014 Samsung Electronics Co., Ltd All Rights Reserved
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License
17 * @file test_descriptor-set.cpp
18 * @author Krzysztof Jackiewicz (k.jackiewicz@samsung.com)
29 #include <boost/test/unit_test.hpp>
30 #include <boost/test/results_reporter.hpp>
32 #include <test_common.h>
33 #include <test_watched-thread.h>
35 #include <descriptor-set.h>
36 #include <dpl/errno_string.h>
42 const int POLL_TIMEOUT = 8000;
43 const int POLL_TIMEOUT_SHORT = 1000;
45 typedef std::unique_ptr<int[], std::function<void(int *)>> PipePtr;
47 const short POLLALL = std::numeric_limits<short>::max();
49 void closePipe(int* fd) {
55 * Declares pipe descriptor array
56 * Creates pipe and checks for error
57 * Wraps pipe in unique_ptr
61 BOOST_REQUIRE_MESSAGE(0 == pipe((fd)),"Pipe creation failed: " << GetErrnoString()); \
62 PipePtr fd##Ptr((fd), closePipe);
64 void unexpectedCallback(int, short) {
65 BOOST_FAIL("Unexpected callback");
68 void readFd(int fd, int expectedFd, short revents) {
70 BOOST_REQUIRE_MESSAGE(fd == expectedFd, "Unexpected descriptor");
71 BOOST_REQUIRE_MESSAGE(revents & POLLIN, "Unexpected event");
72 BOOST_REQUIRE_MESSAGE(1 == TEMP_FAILURE_RETRY(read(fd,buf,1)),
73 "Pipe read failed" << GetErrnoString());
76 void writeFd(int fd, int expectedFd, short revents) {
77 BOOST_REQUIRE_MESSAGE(fd == expectedFd, "Unexpected descriptor");
78 BOOST_REQUIRE_MESSAGE(revents & POLLOUT, "Unexpected event");
79 BOOST_REQUIRE_MESSAGE(1 == TEMP_FAILURE_RETRY(write(fd,"j",1)),
80 "Pipe writing failed" << GetErrnoString());
83 } // anonymous namespace
85 BOOST_AUTO_TEST_SUITE(DESCRIPTOR_SET_TEST)
88 * Wait on empty descriptor set. Function should return immediately.
90 BOOST_AUTO_TEST_CASE(T010_Empty) {
91 DescriptorSet descriptors;
93 BOOST_REQUIRE_NO_THROW(descriptors.wait(POLL_TIMEOUT));
97 * Add and remove (twice) descriptor. Wait on empty set. No callback should be called. wait() should
100 BOOST_AUTO_TEST_CASE(T020_AddRemove) {
101 DescriptorSet descriptors;
102 descriptors.add(10, POLLALL, unexpectedCallback);
103 descriptors.remove(10);
104 descriptors.remove(10);
106 BOOST_REQUIRE_NO_THROW(descriptors.wait(POLL_TIMEOUT));
110 * Add 2 descriptors and purge all. Wait on empty set. No callback should be called. wait() should
111 * return immediately.
113 BOOST_AUTO_TEST_CASE(T030_AddPurge) {
114 DescriptorSet descriptors;
115 descriptors.add(10, POLLALL, unexpectedCallback);
116 descriptors.add(20, POLLALL, unexpectedCallback);
119 BOOST_REQUIRE_NO_THROW(descriptors.wait(POLL_TIMEOUT));
123 * Add pipe[1] descriptor and wait for write possibility. Provided callback should be called
126 BOOST_AUTO_TEST_CASE(T040_Callback) {
127 DescriptorSet descriptors;
128 bool callback = false;
132 descriptors.add(fd[1],POLLALL, [&callback](int, short revents)
135 BOOST_REQUIRE_MESSAGE(revents & POLLOUT, "Not able to write");
138 BOOST_REQUIRE_NO_THROW(descriptors.wait(POLL_TIMEOUT));
139 BOOST_REQUIRE_MESSAGE(callback, "Callback was not called");
143 * Add pipe[1] descriptor twice with different callbacks. The first one should be overwritten and
144 * shouldn't be called. The second one should be called instead.
146 BOOST_AUTO_TEST_CASE(T050_DoubleAdd) {
147 DescriptorSet descriptors;
148 bool callback = false;
152 descriptors.add(fd[1], POLLALL, unexpectedCallback);
153 descriptors.add(fd[1], POLLALL, [&callback](int, short revents)
156 BOOST_REQUIRE_MESSAGE(revents & POLLOUT, "Not able to write");
159 BOOST_REQUIRE_NO_THROW(descriptors.wait(POLL_TIMEOUT));
160 BOOST_REQUIRE_MESSAGE(callback, "Callback was not called");
164 * Add pipe[0] descriptor and wait. Callback should not be called. Instead the 8s timeout should
165 * occur and a proper exception should be thrown.
167 BOOST_AUTO_TEST_CASE(T060_Timeout) {
168 DescriptorSet descriptors;
172 descriptors.add(fd[0],POLLALL, unexpectedCallback);
174 BOOST_REQUIRE_THROW(descriptors.wait(POLL_TIMEOUT_SHORT), CKM::DescriptorSet::Timeout);
178 * Create pipe and try to write it. Start thread that will read it.
180 BOOST_AUTO_TEST_CASE(T070_Write) {
181 DescriptorSet descriptors;
182 bool callback = false;
186 descriptors.add(fd[1],POLLOUT, [&fd, &callback](int desc, short revents)
189 writeFd(desc, fd[1], revents);
193 auto thread = CreateWatchedThread([fd]
196 ssize_t tmp = TEMP_FAILURE_RETRY(read(fd[0], buf, 1));
197 THREAD_REQUIRE_MESSAGE(tmp == 1, "Pipe reading failed " << GetErrnoString());
200 BOOST_REQUIRE_NO_THROW(descriptors.wait(POLL_TIMEOUT));
203 BOOST_REQUIRE_MESSAGE(callback, "Callback not called");
207 * Create pipe and try to read it. Start thread that will write it.
209 BOOST_AUTO_TEST_CASE(T080_Read) {
210 DescriptorSet descriptors;
211 bool callback = false;
215 descriptors.add(fd[0],POLLIN, [&](int desc, short revents)
218 readFd(desc, fd[0], revents);
222 auto thread = CreateWatchedThread([fd]
224 ssize_t tmp = TEMP_FAILURE_RETRY(write(fd[1], "j", 1));
225 THREAD_REQUIRE_MESSAGE(tmp == 1, "Pipe writing failed " << GetErrnoString());
228 BOOST_REQUIRE_NO_THROW(descriptors.wait(POLL_TIMEOUT));
231 BOOST_REQUIRE_MESSAGE(callback, "Callback not called");
235 * Create two pipes. Try to read first one. Start the thread that writes it. In the callback read
236 * the pipe, remove it from the descriptor set and try to write the second pipe. The thread will
237 * read it. In second pipe callback remove the second pipe descriptor from the set.
239 BOOST_AUTO_TEST_CASE(T090_WriteAfterRead) {
240 DescriptorSet descriptors;
241 bool callback1 = false;
242 bool callback2 = false;
247 descriptors.add(fd[0],POLLIN, [&](int desc, short revents)
250 readFd(desc, fd[0], revents);
252 descriptors.remove(desc);
253 descriptors.add(fd2[1],POLLOUT, [&](int desc, short revents) {
255 writeFd(desc, fd2[1], revents);
256 descriptors.remove(desc);
261 auto thread = CreateWatchedThread([fd,fd2]
263 ssize_t tmp = TEMP_FAILURE_RETRY(write(fd[1], "j", 1));
264 BOOST_REQUIRE_MESSAGE(tmp == 1, "Pipe writing failed " << GetErrnoString());
267 tmp = TEMP_FAILURE_RETRY(read(fd2[0], buf, 1));
268 THREAD_REQUIRE_MESSAGE(tmp == 1, "Pipe reading failed " << GetErrnoString());
271 BOOST_REQUIRE_NO_THROW(descriptors.wait(POLL_TIMEOUT));
272 BOOST_REQUIRE_NO_THROW(descriptors.wait(POLL_TIMEOUT));
275 BOOST_REQUIRE_MESSAGE(callback1, "First callback not called");
276 BOOST_REQUIRE_MESSAGE(callback2, "Second callback not called");
279 BOOST_AUTO_TEST_SUITE_END()