| /* |
| * Copyright (C) 2013 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <gtest/gtest.h> |
| |
| #include <errno.h> |
| #include <signal.h> |
| #include <stdlib.h> |
| #include <sys/select.h> |
| |
| TEST(sys_select, fd_set_smoke) { |
| fd_set fds; |
| FD_ZERO(&fds); |
| |
| for (size_t i = 0; i < 1024; ++i) { |
| EXPECT_FALSE(FD_ISSET(i, &fds)); |
| } |
| |
| FD_SET(0, &fds); |
| EXPECT_TRUE(FD_ISSET(0, &fds)); |
| EXPECT_FALSE(FD_ISSET(1, &fds)); |
| FD_SET(1, &fds); |
| EXPECT_TRUE(FD_ISSET(0, &fds)); |
| EXPECT_TRUE(FD_ISSET(1, &fds)); |
| FD_CLR(0, &fds); |
| EXPECT_FALSE(FD_ISSET(0, &fds)); |
| EXPECT_TRUE(FD_ISSET(1, &fds)); |
| FD_CLR(1, &fds); |
| EXPECT_FALSE(FD_ISSET(0, &fds)); |
| EXPECT_FALSE(FD_ISSET(1, &fds)); |
| } |
| |
| TEST(sys_select, select_smoke) { |
| fd_set r; |
| FD_ZERO(&r); |
| fd_set w; |
| FD_ZERO(&w); |
| fd_set e; |
| FD_ZERO(&e); |
| |
| FD_SET(STDIN_FILENO, &r); |
| FD_SET(STDOUT_FILENO, &w); |
| FD_SET(STDERR_FILENO, &w); |
| |
| int max = STDERR_FILENO + 1; |
| |
| // Invalid max fd. |
| ASSERT_EQ(-1, select(-1, &r, &w, &e, NULL)); |
| ASSERT_EQ(EINVAL, errno); |
| |
| ASSERT_EQ(2, select(max, &r, &w, &e, NULL)); |
| |
| // Invalid timeout. |
| timeval tv; |
| tv.tv_sec = -1; |
| tv.tv_usec = 0; |
| ASSERT_EQ(-1, select(max, &r, &w, &e, &tv)); |
| ASSERT_EQ(EINVAL, errno); |
| |
| // Valid timeout... |
| tv.tv_sec = 1; |
| ASSERT_EQ(2, select(max, &r, &w, &e, &tv)); |
| ASSERT_NE(0, tv.tv_usec); // ...which got updated. |
| } |
| |
| TEST(sys_select, pselect_smoke) { |
| sigset_t ss; |
| sigemptyset(&ss); |
| sigaddset(&ss, SIGPIPE); |
| |
| fd_set r; |
| FD_ZERO(&r); |
| fd_set w; |
| FD_ZERO(&w); |
| fd_set e; |
| FD_ZERO(&e); |
| |
| FD_SET(STDIN_FILENO, &r); |
| FD_SET(STDOUT_FILENO, &w); |
| FD_SET(STDERR_FILENO, &w); |
| |
| int max = STDERR_FILENO + 1; |
| |
| // Invalid max fd. |
| ASSERT_EQ(-1, pselect(-1, &r, &w, &e, NULL, &ss)); |
| ASSERT_EQ(EINVAL, errno); |
| |
| ASSERT_EQ(2, pselect(max, &r, &w, &e, NULL, &ss)); |
| |
| // Invalid timeout. |
| timespec tv; |
| tv.tv_sec = -1; |
| tv.tv_nsec = 0; |
| ASSERT_EQ(-1, pselect(max, &r, &w, &e, &tv, &ss)); |
| ASSERT_EQ(EINVAL, errno); |
| |
| // Valid timeout... |
| tv.tv_sec = 1; |
| ASSERT_EQ(2, pselect(max, &r, &w, &e, &tv, &ss)); |
| ASSERT_EQ(0, tv.tv_nsec); // ...which did _not_ get updated. |
| } |