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tests: Add helper macros for easier error handling and reporting

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This commit is contained in:
Tibor Nagy
2019-02-21 17:35:24 +01:00
parent f60c95d2ca
commit 64acf45c40
10 changed files with 83 additions and 109 deletions
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tests/Makefile
+2 -1
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@@ -159,7 +159,8 @@ CFLAGS=\
-g \
-nostdinc \
-nostdlib \
-isystem ../sysroot/include
-isystem ../sysroot/include \
-I .
HEADLIBS=\
../sysroot/lib/crt0.o \
tests/test_helpers.h
+27
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@@ -0,0 +1,27 @@
#ifndef _TEST_HELPERS
#define _TEST_HELPERS
#include <stdlib.h>
#include <string.h>
#include <errno.h>
// Throws an error on a well-defined error value.
#define ERROR_IF(func, status, condition) { \
if (status condition) { \
fprintf(stderr, "%s:%d: ‘%s‘ returned an error in function ‘%s’: %s (%d)\n", \
__FILE__, __LINE__, #func, __func__, strerror(errno), errno); \
exit(EXIT_FAILURE); \
}\
}
// Throws an error on an return value not defined by the standards.
// Used for sanity checking the return values.
#define UNEXP_IF(func, status, condition) { \
if (status condition) { \
fprintf(stderr, "%s:%d: ‘%s‘ returned a value not defined by the standards in function ‘%s’: %d\n", \
__FILE__, __LINE__, #func, __func__, status); \
exit(EXIT_FAILURE); \
}\
}
#endif /* _TEST_HELPERS */
tests/unistd/brk.c
+4 -8
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@@ -2,14 +2,10 @@
#include <stdio.h>
#include <stdlib.h>
#include "test_helpers.h"
int main(void) {
int status = brk((void*)100);
if (status == -1) {
perror("brk");
exit(EXIT_FAILURE);
} else if (status != 0) {
printf("brk returned %d, unexpected result\n", status);
exit(EXIT_FAILURE);
}
ERROR_IF(brk, status, == -1);
UNEXP_IF(brk, status, != 0);
}
tests/unistd/chdir.c
+8 -21
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@@ -3,38 +3,25 @@
#include <stdio.h>
#include <stdlib.h>
#include "test_helpers.h"
int main(void) {
char cwd[PATH_MAX] = { 0 };
char *cwd_result = NULL;
cwd_result = getcwd(cwd, PATH_MAX);
if (cwd_result == NULL) {
perror("getcwd");
exit(EXIT_FAILURE);
} else if (cwd_result != cwd) {
puts("getcwd returned something else than the buf argument");
exit(EXIT_FAILURE);
}
ERROR_IF(getcwd, cwd_result, == NULL);
UNEXP_IF(getcwd, cwd_result, != cwd);
printf("getcwd before chdir: %s\n", cwd);
int status = chdir("..");
if (status == -1) {
perror("chdir");
exit(EXIT_FAILURE);
} else if (status != 0) {
printf("chdir returned %d, unexpected result\n", status);
exit(EXIT_FAILURE);
}
ERROR_IF(chdir, status, == -1);
UNEXP_IF(chdir, status, != 0);
cwd_result = getcwd(cwd, PATH_MAX);
if (cwd_result == NULL) {
perror("getcwd");
exit(EXIT_FAILURE);
} else if (cwd_result != cwd) {
puts("getcwd returned something else than the buf argument");
exit(EXIT_FAILURE);
}
ERROR_IF(getcwd, cwd_result, == NULL);
UNEXP_IF(getcwd, cwd_result, != cwd);
printf("getcwd after chdir: %s\n", cwd);
}
tests/unistd/exec.c
+3 -4
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@@ -2,12 +2,11 @@
#include <stdio.h>
#include <stdlib.h>
#include "test_helpers.h"
int main(void) {
char* args[] = {"sh", "-c", "echo 'exec works :D'", NULL};
int status = execv("/bin/sh", args);
if (status == -1) {
perror("execv");
exit(EXIT_FAILURE);
}
ERROR_IF(execv, status, == -1);
}
tests/unistd/fchdir.c
+8 -21
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@@ -3,31 +3,18 @@
#include <stdio.h>
#include <stdlib.h>
#include "test_helpers.h"
int main(void) {
int fd = open("..", 0, 0);
if (fd == -1) {
perror("open");
exit(EXIT_FAILURE);
} else if (fd < 0) {
printf("open returned %d, unexpected result\n", fd);
exit(EXIT_FAILURE);
}
ERROR_IF(open, fd, == -1);
UNEXP_IF(open, fd, < 0);
int status = fchdir(fd);
if (status == -1) {
perror("fchdir");
exit(EXIT_FAILURE);
} else if (status != 0) {
printf("fchdir returned %d, unexpected result\n", status);
exit(EXIT_FAILURE);
}
ERROR_IF(fchdir, status, == -1);
UNEXP_IF(fchdir, status, != 0);
int c = close(fd);
if (c == -1) {
perror("close");
exit(EXIT_FAILURE);
} else if (c != 0) {
printf("close returned %d, unexpected result\n", c);
exit(EXIT_FAILURE);
}
ERROR_IF(close, c, == -1);
UNEXP_IF(close, c, != 0);
}
tests/unistd/fsync.c
+8 -21
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@@ -3,31 +3,18 @@
#include <stdio.h>
#include <stdlib.h>
#include "test_helpers.h"
int main(void) {
int fd = open(".", 0, 0);
if (fd == -1) {
perror("open");
exit(EXIT_FAILURE);
} else if (fd < 0) {
printf("open returned %d, unexpected result\n", fd);
exit(EXIT_FAILURE);
}
ERROR_IF(open, fd, == -1);
UNEXP_IF(open, fd, < 0);
int status = fsync(fd);
if (status == -1) {
perror("fsync");
exit(EXIT_FAILURE);
} else if (status != 0) {
printf("fsync returned %d, unexpected result\n", status);
exit(EXIT_FAILURE);
}
ERROR_IF(fsync, status, == -1);
UNEXP_IF(fsync, status, != 0);
int c = close(fd);
if (c == -1) {
perror("close");
exit(EXIT_FAILURE);
} else if (c != 0) {
printf("close returned %d, unexpected result\n", c);
exit(EXIT_FAILURE);
}
ERROR_IF(close, c, == -1);
UNEXP_IF(close, c, != 0);
}
tests/unistd/ftruncate.c
+8 -21
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@@ -3,31 +3,18 @@
#include <stdio.h>
#include <stdlib.h>
#include "test_helpers.h"
int main(void) {
int fd = creat("ftruncate.out", 0777);
if (fd == -1) {
perror("creat");
exit(EXIT_FAILURE);
} else if (fd < 0) {
printf("creat returned %d, unexpected result\n", fd);
exit(EXIT_FAILURE);
}
ERROR_IF(creat, fd, == -1);
UNEXP_IF(creat, fd, < 0);
int status = ftruncate(fd, 100);
if (status == -1) {
perror("ftruncate");
exit(EXIT_FAILURE);
} else if (status != 0) {
printf("ftruncate returned %d, unexpected result\n", status);
exit(EXIT_FAILURE);
}
ERROR_IF(ftruncate, status, == -1);
UNEXP_IF(ftruncate, status, != 0);
int c = close(fd);
if (c == -1) {
perror("close");
exit(EXIT_FAILURE);
} else if (c != 0) {
printf("close returned %d, unexpected result\n", c);
exit(EXIT_FAILURE);
}
ERROR_IF(close, c, == -1);
UNEXP_IF(close, c, != 0);
}
tests/unistd/gethostname.c
+6 -9
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@@ -2,17 +2,14 @@
#include <stdio.h>
#include <unistd.h>
#include "test_helpers.h"
int main(void) {
char hostname[256] = { 0 };
int status = gethostname(hostname, 256);
if (status == 0) {
printf("Hostname: %s\n", hostname);
} else if (status == -1) {
perror("gethostname");
exit(EXIT_FAILURE);
} else {
printf("gethostname returned %d, unexpected result\n", status);
exit(EXIT_FAILURE);
}
ERROR_IF(gethostname, status, == -1);
UNEXP_IF(gethostname, status, != 0);
printf("Hostname: %s\n", hostname);
}
tests/unistd/rmdir.c
+9 -3
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@@ -2,8 +2,14 @@
#include <sys/stat.h>
#include <stdio.h>
#include "test_helpers.h"
int main(void) {
mkdir("foo", 0);
int status = rmdir("foo");
printf("rmdir exited with status code %d\n", status);
int mk_status = mkdir("foo", 0);
ERROR_IF(mkdir, mk_status, == -1);
UNEXP_IF(mkdir, mk_status, != 0);
int rm_status = rmdir("foo");
ERROR_IF(rmdir, rm_status, == -1);
UNEXP_IF(rmdir, rm_status, != 0);
}