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Add HARNESS_FORK for tests that require fork().

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A standard pattern for tests makes fork() easier to use and should help prevent some common mistakes.
This commit is contained in:
David Steele
2018-05-06 08:56:42 -04:00
parent 790f7c7312
commit 4d6a51ac47
8 changed files with 190 additions and 111 deletions
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24
test/src/module/common/errorTest.c
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@ -2,8 +2,8 @@
Test Error Handling
***********************************************************************************************************************************/
#include <assert.h>
#include <sys/wait.h>
#include <unistd.h>
#include "common/harnessFork.h"
/***********************************************************************************************************************************
Declare some error locally because real errors won't work for some tests -- they could also break as errors change
@ -272,22 +272,16 @@ testRun()
// *****************************************************************************************************************************
if (testBegin("Uncaught error"))
{
int processId = fork();
// Test in a fork so the process does not actually exit
if (processId == 0)
HARNESS_FORK_BEGIN()
{
THROW(TestChildError, "does not get caught!");
}
else
{
int processStatus;
HARNESS_FORK_CHILD()
{
THROW(TestChildError, "does not get caught!");
}
if (waitpid(processId, &processStatus, 0) != processId) // {uncoverable - fork() does not fail}
THROW_SYS_ERROR(AssertError, "unable to find child process"); // {uncoverable+}
if (WEXITSTATUS(processStatus) != UnhandledError.code)
THROW_FMT(AssertError, "fork exited with error %d", WEXITSTATUS(processStatus));
HARNESS_FORK_CHILD_EXPECTED_EXIT_STATUS_SET(UnhandledError.code);
}
HARNESS_FORK_END();
}
}