assert-signal.h (3204B)
1/* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 */ 19 20#ifndef GUAC_LIBGUAC_TESTS_ASSERT_SIGNAL_H 21#define GUAC_LIBGUAC_TESTS_ASSERT_SIGNAL_H 22 23#include <CUnit/CUnit.h> 24#include <signal.h> 25#include <stdlib.h> 26#include <sys/wait.h> 27#include <unistd.h> 28 29/** 30 * Verifies that the given test terminates the calling process with the given 31 * signal. 32 * 33 * @param sig 34 * The signal that is expected to terminate the calling process. 35 * 36 * @param test 37 * The test that is expected to terminate the calling process with the 38 * given signal. 39 */ 40#define ASSERT_SIGNALLED(sig, test) \ 41 do { \ 42 \ 43 /* Fork to ensure test can safely terminate */ \ 44 pid_t _child = fork(); \ 45 CU_ASSERT_NOT_EQUAL_FATAL(_child, -1); \ 46 \ 47 /* Run test strictly within child process */ \ 48 if (_child == 0) { \ 49 do { test; } while (0); \ 50 exit(0); \ 51 } \ 52 \ 53 /* Wait for child process to terminate */ \ 54 int _status = 0; \ 55 CU_ASSERT_EQUAL_FATAL(waitpid(_child, &_status, 0), _child); \ 56 \ 57 /* Verify process terminated with expected signal */ \ 58 if (WIFSIGNALED(_status)) { \ 59 CU_ASSERT_EQUAL(WTERMSIG(_status), (sig)); \ 60 } \ 61 else \ 62 CU_FAIL("Process did not terminate due to a signal"); \ 63 \ 64 } while (0) 65 66#endif 67