it_test_exc_001.cpp

/*
 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
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 * 1. Redistributions of source code must retain the above copyright notice, this list of
 * conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
 * of conditions and the following disclaimer in the documentation and/or other materials
 * provided with the distribution.
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 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
 * to endorse or promote products derived from this software without specific prior written
 * permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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#include "it_test_exc.h"

static int TestCase(void)
{
    int ret;
    int status = 0;
    int *test = NULL; // for trggering an exception
    pid_t pid = fork();
    ICUNIT_ASSERT_WITHIN_EQUAL(pid, 0, INVALID_PROCESS_ID, pid);
    if (pid == 0) {
        *test = 0x1; // Deliberately trigger an exceptioin
        exit(0);
    }

    ret = waitpid(pid, &status, 0);
    ICUNIT_ASSERT_EQUAL(ret, pid, ret);
    ret = WIFEXITED(status);
    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
    ret = WIFSIGNALED(status);
    ICUNIT_ASSERT_EQUAL(ret, 1, ret);
    ret = WTERMSIG(status);
    ICUNIT_ASSERT_EQUAL(ret, SIGUSR2, ret);

    pid = fork();
    ICUNIT_ASSERT_WITHIN_EQUAL(pid, 0, INVALID_PROCESS_ID, pid);
    if (pid == 0) {
        *test = 0x1; // Deliberately trigger an exceptioin
        exit(0);
    }

    ret = waitpid(pid, &status, 0);
    ICUNIT_ASSERT_EQUAL(ret, pid, ret);
    ret = WIFEXITED(status);
    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
    ret = WIFSIGNALED(status);
    ICUNIT_ASSERT_EQUAL(ret, 1, ret);
    ret = WTERMSIG(status);
    ICUNIT_ASSERT_EQUAL(ret, SIGUSR2, ret);

    return 0;
}

void ItTestExc001(void)
{
    TEST_ADD_CASE("IT_TEST_EXC_001", TestCase, TEST_POSIX, TEST_MEM, TEST_LEVEL0, TEST_FUNCTION);
}