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|
/*
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``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 AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Various utility routines useful for test programs.
* Each test program is linked against this file.
*/
#include "test.h"
#include <errno.h>
#include <locale.h>
#include <stdarg.h>
#include <time.h>
/*
* This same file is used pretty much verbatim for all test harnesses.
*
* The next few lines are the only differences.
*/
#define PROGRAM "bsdcpio" /* Name of program being tested. */
#define ENVBASE "BSDCPIO" /* Prefix for environment variables. */
#undef EXTRA_DUMP /* How to dump extra data */
/* How to generate extra version info. */
#define EXTRA_VERSION (systemf("%s --version", testprog) ? "" : "")
__FBSDID("$FreeBSD$");
/*
* "list.h" is simply created by "grep DEFINE_TEST"; it has
* a line like
* DEFINE_TEST(test_function)
* for each test.
* Include it here with a suitable DEFINE_TEST to declare all of the
* test functions.
*/
#undef DEFINE_TEST
#define DEFINE_TEST(name) void name(void);
#include "list.h"
/* Interix doesn't define these in a standard header. */
#if __INTERIX__
extern char *optarg;
extern int optind;
#endif
/* Enable core dump on failure. */
static int dump_on_failure = 0;
/* Default is to remove temp dirs for successful tests. */
static int keep_temp_files = 0;
/* Default is to print some basic information about each test. */
static int quiet_flag = 0;
/* Default is to summarize repeated failures. */
static int verbose = 0;
/* Cumulative count of component failures. */
static int failures = 0;
/* Cumulative count of skipped component tests. */
static int skips = 0;
/* Cumulative count of assertions. */
static int assertions = 0;
/* Directory where uuencoded reference files can be found. */
static char *refdir;
/*
* My own implementation of the standard assert() macro emits the
* message in the same format as GCC (file:line: message).
* It also includes some additional useful information.
* This makes it a lot easier to skim through test failures in
* Emacs. ;-)
*
* It also supports a few special features specifically to simplify
* test harnesses:
* failure(fmt, args) -- Stores a text string that gets
* printed if the following assertion fails, good for
* explaining subtle tests.
*/
static char msg[4096];
/*
* For each test source file, we remember how many times each
* failure was reported.
*/
static const char *failed_filename = NULL;
static struct line {
int line;
int count;
} failed_lines[1000];
/*
* Count this failure; return the number of previous failures.
*/
static int
previous_failures(const char *filename, int line)
{
unsigned int i;
int count;
if (failed_filename == NULL || strcmp(failed_filename, filename) != 0)
memset(failed_lines, 0, sizeof(failed_lines));
failed_filename = filename;
for (i = 0; i < sizeof(failed_lines)/sizeof(failed_lines[0]); i++) {
if (failed_lines[i].line == line) {
count = failed_lines[i].count;
failed_lines[i].count++;
return (count);
}
if (failed_lines[i].line == 0) {
failed_lines[i].line = line;
failed_lines[i].count = 1;
return (0);
}
}
return (0);
}
/*
* Copy arguments into file-local variables.
*/
static const char *test_filename;
static int test_line;
static void *test_extra;
void test_setup(const char *filename, int line)
{
test_filename = filename;
test_line = line;
}
/*
* Inform user that we're skipping a test.
*/
void
test_skipping(const char *fmt, ...)
{
va_list ap;
if (previous_failures(test_filename, test_line))
return;
va_start(ap, fmt);
fprintf(stderr, " *** SKIPPING: ");
vfprintf(stderr, fmt, ap);
fprintf(stderr, "\n");
va_end(ap);
++skips;
}
/* Common handling of failed tests. */
static void
report_failure(void *extra)
{
if (msg[0] != '\0') {
fprintf(stderr, " Description: %s\n", msg);
msg[0] = '\0';
}
#ifdef EXTRA_DUMP
if (extra != NULL)
fprintf(stderr, " detail: %s\n", EXTRA_DUMP(extra));
#else
(void)extra; /* UNUSED */
#endif
if (dump_on_failure) {
fprintf(stderr,
" *** forcing core dump so failure can be debugged ***\n");
*(char *)(NULL) = 0;
exit(1);
}
}
/*
* Summarize repeated failures in the just-completed test file.
* The reports above suppress multiple failures from the same source
* line; this reports on any tests that did fail multiple times.
*/
static int
summarize_comparator(const void *a0, const void *b0)
{
const struct line *a = a0, *b = b0;
if (a->line == 0 && b->line == 0)
return (0);
if (a->line == 0)
return (1);
if (b->line == 0)
return (-1);
return (a->line - b->line);
}
static void
summarize(void)
{
unsigned int i;
qsort(failed_lines, sizeof(failed_lines)/sizeof(failed_lines[0]),
sizeof(failed_lines[0]), summarize_comparator);
for (i = 0; i < sizeof(failed_lines)/sizeof(failed_lines[0]); i++) {
if (failed_lines[i].line == 0)
break;
if (failed_lines[i].count > 1)
fprintf(stderr, "%s:%d: Failed %d times\n",
failed_filename, failed_lines[i].line,
failed_lines[i].count);
}
/* Clear the failure history for the next file. */
memset(failed_lines, 0, sizeof(failed_lines));
}
/* Set up a message to display only after a test fails. */
void
failure(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vsprintf(msg, fmt, ap);
va_end(ap);
}
/* Generic assert() just displays the failed condition. */
int
test_assert(const char *file, int line, int value, const char *condition, void *extra)
{
++assertions;
if (value) {
msg[0] = '\0';
return (value);
}
failures ++;
if (!verbose && previous_failures(file, line))
return (value);
fprintf(stderr, "%s:%d: Assertion failed\n", file, line);
fprintf(stderr, " Condition: %s\n", condition);
report_failure(extra);
return (value);
}
/* assertEqualInt() displays the values of the two integers. */
int
test_assert_equal_int(const char *file, int line,
int v1, const char *e1, int v2, const char *e2, void *extra)
{
++assertions;
if (v1 == v2) {
msg[0] = '\0';
return (1);
}
failures ++;
if (!verbose && previous_failures(file, line))
return (0);
fprintf(stderr, "%s:%d: Assertion failed: Ints not equal\n",
file, line);
fprintf(stderr, " %s=%d\n", e1, v1);
fprintf(stderr, " %s=%d\n", e2, v2);
report_failure(extra);
return (0);
}
static void strdump(const char *p)
{
if (p == NULL) {
fprintf(stderr, "(null)");
return;
}
fprintf(stderr, "\"");
while (*p != '\0') {
unsigned int c = 0xff & *p++;
switch (c) {
case '\a': fprintf(stderr, "\a"); break;
case '\b': fprintf(stderr, "\b"); break;
case '\n': fprintf(stderr, "\n"); break;
case '\r': fprintf(stderr, "\r"); break;
default:
if (c >= 32 && c < 127)
fprintf(stderr, "%c", c);
else
fprintf(stderr, "\\x%02X", c);
}
}
fprintf(stderr, "\"");
}
/* assertEqualString() displays the values of the two strings. */
int
test_assert_equal_string(const char *file, int line,
const char *v1, const char *e1,
const char *v2, const char *e2,
void *extra)
{
++assertions;
if (v1 == NULL || v2 == NULL) {
if (v1 == v2) {
msg[0] = '\0';
return (1);
}
} else if (strcmp(v1, v2) == 0) {
msg[0] = '\0';
return (1);
}
failures ++;
if (!verbose && previous_failures(file, line))
return (0);
fprintf(stderr, "%s:%d: Assertion failed: Strings not equal\n",
file, line);
fprintf(stderr, " %s = ", e1);
strdump(v1);
fprintf(stderr, " (length %d)\n", v1 == NULL ? 0 : strlen(v1));
fprintf(stderr, " %s = ", e2);
strdump(v2);
fprintf(stderr, " (length %d)\n", v2 == NULL ? 0 : strlen(v2));
report_failure(extra);
return (0);
}
static void wcsdump(const wchar_t *w)
{
if (w == NULL) {
fprintf(stderr, "(null)");
return;
}
fprintf(stderr, "\"");
while (*w != L'\0') {
unsigned int c = *w++;
if (c >= 32 && c < 127)
fprintf(stderr, "%c", c);
else if (c < 256)
fprintf(stderr, "\\x%02X", c);
else if (c < 0x10000)
fprintf(stderr, "\\u%04X", c);
else
fprintf(stderr, "\\U%08X", c);
}
fprintf(stderr, "\"");
}
/* assertEqualWString() displays the values of the two strings. */
int
test_assert_equal_wstring(const char *file, int line,
const wchar_t *v1, const char *e1,
const wchar_t *v2, const char *e2,
void *extra)
{
++assertions;
if (v1 == NULL) {
if (v2 == NULL) {
msg[0] = '\0';
return (1);
}
} else if (v2 == NULL) {
if (v1 == NULL) {
msg[0] = '\0';
return (1);
}
} else if (wcscmp(v1, v2) == 0) {
msg[0] = '\0';
return (1);
}
failures ++;
if (!verbose && previous_failures(file, line))
return (0);
fprintf(stderr, "%s:%d: Assertion failed: Unicode strings not equal\n",
file, line);
fprintf(stderr, " %s = ", e1);
wcsdump(v1);
fprintf(stderr, "\n");
fprintf(stderr, " %s = ", e2);
wcsdump(v2);
fprintf(stderr, "\n");
report_failure(extra);
return (0);
}
/*
* Pretty standard hexdump routine. As a bonus, if ref != NULL, then
* any bytes in p that differ from ref will be highlighted with '_'
* before and after the hex value.
*/
static void
hexdump(const char *p, const char *ref, size_t l, size_t offset)
{
size_t i, j;
char sep;
for(i=0; i < l; i+=16) {
fprintf(stderr, "%04x", i + offset);
sep = ' ';
for (j = 0; j < 16 && i + j < l; j++) {
if (ref != NULL && p[i + j] != ref[i + j])
sep = '_';
fprintf(stderr, "%c%02x", sep, 0xff & (int)p[i+j]);
if (ref != NULL && p[i + j] == ref[i + j])
sep = ' ';
}
for (; j < 16; j++) {
fprintf(stderr, "%c ", sep);
sep = ' ';
}
fprintf(stderr, "%c", sep);
for (j=0; j < 16 && i + j < l; j++) {
int c = p[i + j];
if (c >= ' ' && c <= 126)
fprintf(stderr, "%c", c);
else
fprintf(stderr, ".");
}
fprintf(stderr, "\n");
}
}
/* assertEqualMem() displays the values of the two memory blocks. */
/* TODO: For long blocks, hexdump the first bytes that actually differ. */
int
test_assert_equal_mem(const char *file, int line,
const char *v1, const char *e1,
const char *v2, const char *e2,
size_t l, const char *ld, void *extra)
{
++assertions;
if (v1 == NULL || v2 == NULL) {
if (v1 == v2) {
msg[0] = '\0';
return (1);
}
} else if (memcmp(v1, v2, l) == 0) {
msg[0] = '\0';
return (1);
}
failures ++;
if (!verbose && previous_failures(file, line))
return (0);
fprintf(stderr, "%s:%d: Assertion failed: memory not equal\n",
file, line);
fprintf(stderr, " size %s = %d\n", ld, (int)l);
fprintf(stderr, " Dump of %s\n", e1);
hexdump(v1, v2, l < 32 ? l : 32, 0);
fprintf(stderr, " Dump of %s\n", e2);
hexdump(v2, v1, l < 32 ? l : 32, 0);
fprintf(stderr, "\n");
report_failure(extra);
return (0);
}
int
test_assert_empty_file(const char *f1fmt, ...)
{
char buff[1024];
char f1[1024];
struct stat st;
va_list ap;
ssize_t s;
int fd;
va_start(ap, f1fmt);
vsprintf(f1, f1fmt, ap);
va_end(ap);
if (stat(f1, &st) != 0) {
fprintf(stderr, "%s:%d: Could not stat: %s\n", test_filename, test_line, f1);
report_failure(NULL);
return (0);
}
if (st.st_size == 0)
return (1);
failures ++;
if (!verbose && previous_failures(test_filename, test_line))
return (0);
fprintf(stderr, "%s:%d: File not empty: %s\n", test_filename, test_line, f1);
fprintf(stderr, " File size: %d\n", (int)st.st_size);
fprintf(stderr, " Contents:\n");
fd = open(f1, O_RDONLY);
if (fd < 0) {
fprintf(stderr, " Unable to open %s\n", f1);
} else {
s = sizeof(buff) < st.st_size ? sizeof(buff) : st.st_size;
s = read(fd, buff, s);
hexdump(buff, NULL, s, 0);
}
report_failure(NULL);
return (0);
}
/* assertEqualFile() asserts that two files have the same contents. */
/* TODO: hexdump the first bytes that actually differ. */
int
test_assert_equal_file(const char *f1, const char *f2pattern, ...)
{
char f2[1024];
va_list ap;
char buff1[1024];
char buff2[1024];
int fd1, fd2;
int n1, n2;
va_start(ap, f2pattern);
vsprintf(f2, f2pattern, ap);
va_end(ap);
fd1 = open(f1, O_RDONLY);
fd2 = open(f2, O_RDONLY);
for (;;) {
n1 = read(fd1, buff1, sizeof(buff1));
n2 = read(fd2, buff2, sizeof(buff2));
if (n1 != n2)
break;
if (n1 == 0 && n2 == 0)
return (1);
if (memcmp(buff1, buff2, n1) != 0)
break;
}
failures ++;
if (!verbose && previous_failures(test_filename, test_line))
return (0);
fprintf(stderr, "%s:%d: Files are not identical\n",
test_filename, test_line);
fprintf(stderr, " file1=\"%s\"\n", f1);
fprintf(stderr, " file2=\"%s\"\n", f2);
report_failure(test_extra);
return (0);
}
int
test_assert_file_exists(const char *fpattern, ...)
{
char f[1024];
va_list ap;
va_start(ap, fpattern);
vsprintf(f, fpattern, ap);
va_end(ap);
if (!access(f, F_OK))
return (1);
if (!previous_failures(test_filename, test_line)) {
fprintf(stderr, "%s:%d: File doesn't exist\n",
test_filename, test_line);
fprintf(stderr, " file=\"%s\"\n", f);
report_failure(test_extra);
}
return (0);
}
int
test_assert_file_not_exists(const char *fpattern, ...)
{
char f[1024];
va_list ap;
va_start(ap, fpattern);
vsprintf(f, fpattern, ap);
va_end(ap);
if (access(f, F_OK))
return (1);
if (!previous_failures(test_filename, test_line)) {
fprintf(stderr, "%s:%d: File exists and shouldn't\n",
test_filename, test_line);
fprintf(stderr, " file=\"%s\"\n", f);
report_failure(test_extra);
}
return (0);
}
/* assertFileContents() asserts the contents of a file. */
int
test_assert_file_contents(const void *buff, int s, const char *fpattern, ...)
{
char f[1024];
va_list ap;
char *contents;
int fd;
int n;
va_start(ap, fpattern);
vsprintf(f, fpattern, ap);
va_end(ap);
fd = open(f, O_RDONLY);
contents = malloc(s * 2);
n = read(fd, contents, s * 2);
if (n == s && memcmp(buff, contents, s) == 0) {
free(contents);
return (1);
}
failures ++;
if (!previous_failures(test_filename, test_line)) {
fprintf(stderr, "%s:%d: File contents don't match\n",
test_filename, test_line);
fprintf(stderr, " file=\"%s\"\n", f);
if (n > 0)
hexdump(contents, buff, n, 0);
else {
fprintf(stderr, " File empty, contents should be:\n");
hexdump(buff, NULL, s, 0);
}
report_failure(test_extra);
}
free(contents);
return (0);
}
/*
* Call standard system() call, but build up the command line using
* sprintf() conventions.
*/
int
systemf(const char *fmt, ...)
{
char buff[8192];
va_list ap;
int r;
va_start(ap, fmt);
vsprintf(buff, fmt, ap);
r = system(buff);
va_end(ap);
return (r);
}
/*
* Slurp a file into memory for ease of comparison and testing.
* Returns size of file in 'sizep' if non-NULL, null-terminates
* data in memory for ease of use.
*/
char *
slurpfile(size_t * sizep, const char *fmt, ...)
{
char filename[8192];
struct stat st;
va_list ap;
char *p;
ssize_t bytes_read;
int fd;
int r;
va_start(ap, fmt);
vsprintf(filename, fmt, ap);
va_end(ap);
fd = open(filename, O_RDONLY);
if (fd < 0) {
/* Note: No error; non-existent file is okay here. */
return (NULL);
}
r = fstat(fd, &st);
if (r != 0) {
fprintf(stderr, "Can't stat file %s\n", filename);
close(fd);
return (NULL);
}
p = malloc(st.st_size + 1);
if (p == NULL) {
fprintf(stderr, "Can't allocate %ld bytes of memory to read file %s\n", (long int)st.st_size, filename);
close(fd);
return (NULL);
}
bytes_read = read(fd, p, st.st_size);
if (bytes_read < st.st_size) {
fprintf(stderr, "Can't read file %s\n", filename);
close(fd);
free(p);
return (NULL);
}
p[st.st_size] = '\0';
if (sizep != NULL)
*sizep = (size_t)st.st_size;
close(fd);
return (p);
}
/*
* "list.h" is automatically generated; it just has a lot of lines like:
* DEFINE_TEST(function_name)
* It's used above to declare all of the test functions.
* We reuse it here to define a list of all tests (functions and names).
*/
#undef DEFINE_TEST
#define DEFINE_TEST(n) { n, #n },
struct { void (*func)(void); const char *name; } tests[] = {
#include "list.h"
};
/*
* Each test is run in a private work dir. Those work dirs
* do have consistent and predictable names, in case a group
* of tests need to collaborate. However, there is no provision
* for requiring that tests run in a certain order.
*/
static int test_run(int i, const char *tmpdir)
{
int failures_before = failures;
if (!quiet_flag) {
printf("%d: %s\n", i, tests[i].name);
fflush(stdout);
}
/*
* Always explicitly chdir() in case the last test moved us to
* a strange place.
*/
if (chdir(tmpdir)) {
fprintf(stderr,
"ERROR: Couldn't chdir to temp dir %s\n",
tmpdir);
exit(1);
}
/* Create a temp directory for this specific test. */
if (mkdir(tests[i].name, 0755)) {
fprintf(stderr,
"ERROR: Couldn't create temp dir ``%s''\n",
tests[i].name);
exit(1);
}
/* Chdir() to that work directory. */
if (chdir(tests[i].name)) {
fprintf(stderr,
"ERROR: Couldn't chdir to temp dir ``%s''\n",
tests[i].name);
exit(1);
}
/* Explicitly reset the locale before each test. */
setlocale(LC_ALL, "C");
/* Run the actual test. */
(*tests[i].func)();
/* Summarize the results of this test. */
summarize();
/* If there were no failures, we can remove the work dir. */
if (failures == failures_before) {
if (!keep_temp_files && chdir(tmpdir) == 0) {
systemf("rm -rf %s", tests[i].name);
}
}
/* Return appropriate status. */
return (failures == failures_before ? 0 : 1);
}
static void usage(const char *program)
{
static const int limit = sizeof(tests) / sizeof(tests[0]);
int i;
printf("Usage: %s [options] <test> <test> ...\n", program);
printf("Default is to run all tests.\n");
printf("Otherwise, specify the numbers of the tests you wish to run.\n");
printf("Options:\n");
printf(" -d Dump core after any failure, for debugging.\n");
printf(" -k Keep all temp files.\n");
printf(" Default: temp files for successful tests deleted.\n");
#ifdef PROGRAM
printf(" -p <path> Path to executable to be tested.\n");
printf(" Default: path taken from " ENVBASE " environment variable.\n");
#endif
printf(" -q Quiet.\n");
printf(" -r <dir> Path to dir containing reference files.\n");
printf(" Default: Current directory.\n");
printf(" -v Verbose.\n");
printf("Available tests:\n");
for (i = 0; i < limit; i++)
printf(" %d: %s\n", i, tests[i].name);
exit(1);
}
#define UUDECODE(c) (((c) - 0x20) & 0x3f)
void
extract_reference_file(const char *name)
{
char buff[1024];
FILE *in, *out;
sprintf(buff, "%s/%s.uu", refdir, name);
in = fopen(buff, "r");
failure("Couldn't open reference file %s", buff);
assert(in != NULL);
if (in == NULL)
return;
/* Read up to and including the 'begin' line. */
for (;;) {
if (fgets(buff, sizeof(buff), in) == NULL) {
/* TODO: This is a failure. */
return;
}
if (memcmp(buff, "begin ", 6) == 0)
break;
}
/* Now, decode the rest and write it. */
/* Not a lot of error checking here; the input better be right. */
out = fopen(name, "w");
while (fgets(buff, sizeof(buff), in) != NULL) {
char *p = buff;
int bytes;
if (memcmp(buff, "end", 3) == 0)
break;
bytes = UUDECODE(*p++);
while (bytes > 0) {
int n = 0;
/* Write out 1-3 bytes from that. */
if (bytes > 0) {
n = UUDECODE(*p++) << 18;
n |= UUDECODE(*p++) << 12;
fputc(n >> 16, out);
--bytes;
}
if (bytes > 0) {
n |= UUDECODE(*p++) << 6;
fputc((n >> 8) & 0xFF, out);
--bytes;
}
if (bytes > 0) {
n |= UUDECODE(*p++);
fputc(n & 0xFF, out);
--bytes;
}
}
}
fclose(out);
fclose(in);
}
int main(int argc, char **argv)
{
static const int limit = sizeof(tests) / sizeof(tests[0]);
int i, tests_run = 0, tests_failed = 0, opt;
time_t now;
char *refdir_alloc = NULL;
char *progname, *p;
char tmpdir[256];
char tmpdir_timestamp[256];
/*
* Name of this program, used to build root of our temp directory
* tree.
*/
progname = p = argv[0];
while (*p != '\0') {
if (*p == '/')
progname = p + 1;
++p;
}
#ifdef PROGRAM
/* Get the target program from environment, if available. */
testprog = getenv(ENVBASE);
#endif
/* Allow -d to be controlled through the environment. */
if (getenv(ENVBASE "_DEBUG") != NULL)
dump_on_failure = 1;
/* Get the directory holding test files from environment. */
refdir = getenv(ENVBASE "_TEST_FILES");
/*
* Parse options.
*/
while ((opt = getopt(argc, argv, "dkp:qr:v")) != -1) {
switch (opt) {
case 'd':
dump_on_failure = 1;
break;
case 'k':
keep_temp_files = 1;
break;
case 'p':
#ifdef PROGRAM
testprog = optarg;
#else
usage(progname);
#endif
break;
case 'q':
quiet_flag++;
break;
case 'r':
refdir = optarg;
break;
case 'v':
verbose = 1;
break;
case '?':
default:
usage(progname);
}
}
argc -= optind;
argv += optind;
/*
* Sanity-check that our options make sense.
*/
#ifdef PROGRAM
if (testprog == NULL)
usage(progname);
#endif
/*
* Create a temp directory for the following tests.
* Include the time the tests started as part of the name,
* to make it easier to track the results of multiple tests.
*/
now = time(NULL);
for (i = 0; i < 1000; i++) {
strftime(tmpdir_timestamp, sizeof(tmpdir_timestamp),
"%Y-%m-%dT%H.%M.%S",
localtime(&now));
sprintf(tmpdir, "/tmp/%s.%s-%03d", progname, tmpdir_timestamp, i);
if (mkdir(tmpdir,0755) == 0)
break;
if (errno == EEXIST)
continue;
fprintf(stderr, "ERROR: Unable to create temp directory %s\n",
tmpdir);
exit(1);
}
/*
* If the user didn't specify a directory for locating
* reference files, use the current directory for that.
*/
if (refdir == NULL) {
systemf("/bin/pwd > %s/refdir", tmpdir);
refdir = refdir_alloc = slurpfile(NULL, "%s/refdir", tmpdir);
p = refdir + strlen(refdir);
while (p[-1] == '\n') {
--p;
*p = '\0';
}
systemf("rm %s/refdir", tmpdir);
}
/*
* Banner with basic information.
*/
if (!quiet_flag) {
printf("Running tests in: %s\n", tmpdir);
printf("Reference files will be read from: %s\n", refdir);
#ifdef PROGRAM
printf("Running tests on: %s\n", testprog);
#endif
printf("Exercising: ");
fflush(stdout);
printf("%s\n", EXTRA_VERSION);
}
/*
* Run some or all of the individual tests.
*/
if (argc == 0) {
/* Default: Run all tests. */
for (i = 0; i < limit; i++) {
if (test_run(i, tmpdir))
tests_failed++;
tests_run++;
}
} else {
while (*(argv) != NULL) {
i = atoi(*argv);
if (**argv < '0' || **argv > '9' || i < 0 || i >= limit) {
printf("*** INVALID Test %s\n", *argv);
usage(progname);
} else {
if (test_run(i, tmpdir))
tests_failed++;
tests_run++;
}
argv++;
}
}
/*
* Report summary statistics.
*/
if (!quiet_flag) {
printf("\n");
printf("%d of %d tests reported failures\n",
tests_failed, tests_run);
printf(" Total of %d assertions checked.\n", assertions);
printf(" Total of %d assertions failed.\n", failures);
printf(" Total of %d assertions skipped.\n", skips);
}
free(refdir_alloc);
/* If the final tmpdir is empty, we can remove it. */
/* This should be the usual case when all tests succeed. */
rmdir(tmpdir);
return (tests_failed);
}
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