xenocara/xserver/test/signal-logging.c
2018-02-18 17:16:37 +00:00

405 lines
13 KiB
C

/**
* Copyright © 2012 Canonical, Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include <stdint.h>
#include <unistd.h>
#include "assert.h"
#include "misc.h"
struct number_format_test {
uint64_t number;
char string[21];
char hex_string[17];
};
struct signed_number_format_test {
int64_t number;
char string[21];
};
struct float_number_format_test {
double number;
char string[21];
};
static Bool
check_signed_number_format_test(long int number)
{
char string[21];
char expected[21];
sprintf(expected, "%ld", number);
FormatInt64(number, string);
if(strncmp(string, expected, 21) != 0) {
fprintf(stderr, "Failed to convert %jd to decimal string (expected %s but got %s)\n",
(intmax_t) number, expected, string);
return FALSE;
}
return TRUE;
}
static Bool
check_float_format_test(double number)
{
char string[21];
char expected[21];
/* we currently always print float as .2f */
sprintf(expected, "%.2f", number);
FormatDouble(number, string);
if(strncmp(string, expected, 21) != 0) {
fprintf(stderr, "Failed to convert %f to string (%s vs %s)\n",
number, expected, string);
return FALSE;
}
return TRUE;
}
static Bool
check_number_format_test(long unsigned int number)
{
char string[21];
char expected[21];
sprintf(expected, "%lu", number);
FormatUInt64(number, string);
if(strncmp(string, expected, 21) != 0) {
fprintf(stderr, "Failed to convert %ju to decimal string (%s vs %s)\n",
(intmax_t) number, expected, string);
return FALSE;
}
sprintf(expected, "%lx", number);
FormatUInt64Hex(number, string);
if(strncmp(string, expected, 17) != 0) {
fprintf(stderr, "Failed to convert %ju to hexadecimal string (%s vs %s)\n",
(intmax_t) number, expected, string);
return FALSE;
}
return TRUE;
}
/* FIXME: max range stuff */
double float_tests[] = { 0, 5, 0.1, 0.01, 5.2342, 10.2301,
-1, -2.00, -0.6023, -1203.30
};
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Woverflow"
static void
number_formatting(void)
{
int i;
long unsigned int unsigned_tests[] = { 0,/* Zero */
5, /* Single digit number */
12, /* Two digit decimal number */
37, /* Two digit hex number */
0xC90B2, /* Large < 32 bit number */
0x15D027BF211B37A, /* Large > 32 bit number */
0xFFFFFFFFFFFFFFFF, /* Maximum 64-bit number */
};
long int signed_tests[] = { 0,/* Zero */
5, /* Single digit number */
12, /* Two digit decimal number */
37, /* Two digit hex number */
0xC90B2, /* Large < 32 bit number */
0x15D027BF211B37A, /* Large > 32 bit number */
0x7FFFFFFFFFFFFFFF, /* Maximum 64-bit signed number */
-1, /* Single digit number */
-12, /* Two digit decimal number */
-0xC90B2, /* Large < 32 bit number */
-0x15D027BF211B37A, /* Large > 32 bit number */
-0x7FFFFFFFFFFFFFFF, /* Maximum 64-bit signed number */
} ;
for (i = 0; i < sizeof(unsigned_tests) / sizeof(unsigned_tests[0]); i++)
assert(check_number_format_test(unsigned_tests[i]));
for (i = 0; i < sizeof(signed_tests) / sizeof(signed_tests[0]); i++)
assert(check_signed_number_format_test(signed_tests[i]));
for (i = 0; i < sizeof(float_tests) / sizeof(float_tests[0]); i++)
assert(check_float_format_test(float_tests[i]));
}
#pragma GCC diagnostic pop
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wformat-security"
#pragma GCC diagnostic ignored "-Wformat"
#pragma GCC diagnostic ignored "-Wformat-extra-args"
static void logging_format(void)
{
const char *log_file_path = "/tmp/Xorg-logging-test.log";
const char *str = "%s %d %u %% %p %i";
char buf[1024];
int i;
unsigned int ui;
long li;
unsigned long lui;
FILE *f;
char read_buf[2048];
char *logmsg;
uintptr_t ptr;
/* set up buf to contain ".....end" */
memset(buf, '.', sizeof(buf));
strcpy(&buf[sizeof(buf) - 4], "end");
LogInit(log_file_path, NULL);
assert((f = fopen(log_file_path, "r")));
#define read_log_msg(msg) do { \
msg = fgets(read_buf, sizeof(read_buf), f); \
assert(msg != NULL); \
msg = strchr(read_buf, ']'); \
assert(msg != NULL); \
assert(strlen(msg) > 2); \
msg = msg + 2; /* advance past [time.stamp] */ \
} while (0)
/* boring test message */
LogMessageVerbSigSafe(X_ERROR, -1, "test message\n");
read_log_msg(logmsg);
assert(strcmp(logmsg, "(EE) test message\n") == 0);
/* long buf is truncated to "....en\n" */
LogMessageVerbSigSafe(X_ERROR, -1, buf);
read_log_msg(logmsg);
assert(strcmp(&logmsg[strlen(logmsg) - 3], "en\n") == 0);
/* same thing, this time as string substitution */
LogMessageVerbSigSafe(X_ERROR, -1, "%s", buf);
read_log_msg(logmsg);
assert(strcmp(&logmsg[strlen(logmsg) - 3], "en\n") == 0);
/* strings containing placeholders should just work */
LogMessageVerbSigSafe(X_ERROR, -1, "%s\n", str);
read_log_msg(logmsg);
assert(strcmp(logmsg, "(EE) %s %d %u %% %p %i\n") == 0);
/* literal % */
LogMessageVerbSigSafe(X_ERROR, -1, "test %%\n");
read_log_msg(logmsg);
assert(strcmp(logmsg, "(EE) test %\n") == 0);
/* character */
LogMessageVerbSigSafe(X_ERROR, -1, "test %c\n", 'a');
read_log_msg(logmsg);
assert(strcmp(logmsg, "(EE) test a\n") == 0);
/* something unsupported % */
LogMessageVerbSigSafe(X_ERROR, -1, "test %Q\n");
read_log_msg(logmsg);
assert(strstr(logmsg, "BUG") != NULL);
LogMessageVerbSigSafe(X_ERROR, -1, "\n");
fseek(f, 0, SEEK_END);
/* string substitution */
LogMessageVerbSigSafe(X_ERROR, -1, "%s\n", "substituted string");
read_log_msg(logmsg);
assert(strcmp(logmsg, "(EE) substituted string\n") == 0);
/* Invalid format */
LogMessageVerbSigSafe(X_ERROR, -1, "%4", 4);
read_log_msg(logmsg);
assert(strcmp(logmsg, "(EE) ") == 0);
LogMessageVerbSigSafe(X_ERROR, -1, "\n");
fseek(f, 0, SEEK_END);
/* %hld is bogus */
LogMessageVerbSigSafe(X_ERROR, -1, "%hld\n", 4);
read_log_msg(logmsg);
assert(strstr(logmsg, "BUG") != NULL);
LogMessageVerbSigSafe(X_ERROR, -1, "\n");
fseek(f, 0, SEEK_END);
/* number substitution */
ui = 0;
do {
char expected[30];
sprintf(expected, "(EE) %u\n", ui);
LogMessageVerbSigSafe(X_ERROR, -1, "%u\n", ui);
read_log_msg(logmsg);
assert(strcmp(logmsg, expected) == 0);
sprintf(expected, "(EE) %x\n", ui);
LogMessageVerbSigSafe(X_ERROR, -1, "%x\n", ui);
read_log_msg(logmsg);
assert(strcmp(logmsg, expected) == 0);
if (ui == 0)
ui = 1;
else
ui <<= 1;
} while(ui);
lui = 0;
do {
char expected[30];
sprintf(expected, "(EE) %lu\n", lui);
LogMessageVerbSigSafe(X_ERROR, -1, "%lu\n", lui);
read_log_msg(logmsg);
sprintf(expected, "(EE) %lld\n", (unsigned long long)ui);
LogMessageVerbSigSafe(X_ERROR, -1, "%lld\n", (unsigned long long)ui);
read_log_msg(logmsg);
assert(strcmp(logmsg, expected) == 0);
sprintf(expected, "(EE) %lx\n", lui);
printf("%s\n", expected);
LogMessageVerbSigSafe(X_ERROR, -1, "%lx\n", lui);
read_log_msg(logmsg);
assert(strcmp(logmsg, expected) == 0);
sprintf(expected, "(EE) %llx\n", (unsigned long long)ui);
LogMessageVerbSigSafe(X_ERROR, -1, "%llx\n", (unsigned long long)ui);
read_log_msg(logmsg);
assert(strcmp(logmsg, expected) == 0);
if (lui == 0)
lui = 1;
else
lui <<= 1;
} while(lui);
/* signed number substitution */
i = 0;
do {
char expected[30];
sprintf(expected, "(EE) %d\n", i);
LogMessageVerbSigSafe(X_ERROR, -1, "%d\n", i);
read_log_msg(logmsg);
assert(strcmp(logmsg, expected) == 0);
sprintf(expected, "(EE) %d\n", i | INT_MIN);
LogMessageVerbSigSafe(X_ERROR, -1, "%d\n", i | INT_MIN);
read_log_msg(logmsg);
assert(strcmp(logmsg, expected) == 0);
if (i == 0)
i = 1;
else
i <<= 1;
} while(i > INT_MIN);
li = 0;
do {
char expected[30];
sprintf(expected, "(EE) %ld\n", li);
LogMessageVerbSigSafe(X_ERROR, -1, "%ld\n", li);
read_log_msg(logmsg);
assert(strcmp(logmsg, expected) == 0);
sprintf(expected, "(EE) %ld\n", li | LONG_MIN);
LogMessageVerbSigSafe(X_ERROR, -1, "%ld\n", li | LONG_MIN);
read_log_msg(logmsg);
assert(strcmp(logmsg, expected) == 0);
sprintf(expected, "(EE) %lld\n", (long long)li);
LogMessageVerbSigSafe(X_ERROR, -1, "%lld\n", (long long)li);
read_log_msg(logmsg);
assert(strcmp(logmsg, expected) == 0);
sprintf(expected, "(EE) %lld\n", (long long)(li | LONG_MIN));
LogMessageVerbSigSafe(X_ERROR, -1, "%lld\n", (long long)(li | LONG_MIN));
read_log_msg(logmsg);
assert(strcmp(logmsg, expected) == 0);
if (li == 0)
li = 1;
else
li <<= 1;
} while(li > LONG_MIN);
/* pointer substitution */
/* we print a null-pointer differently to printf */
LogMessageVerbSigSafe(X_ERROR, -1, "%p\n", NULL);
read_log_msg(logmsg);
assert(strcmp(logmsg, "(EE) 0x0\n") == 0);
ptr = 1;
do {
char expected[30];
#ifdef __sun /* Solaris doesn't autoadd "0x" to %p format */
sprintf(expected, "(EE) 0x%p\n", (void*)ptr);
#else
sprintf(expected, "(EE) %p\n", (void*)ptr);
#endif
LogMessageVerbSigSafe(X_ERROR, -1, "%p\n", (void*)ptr);
read_log_msg(logmsg);
assert(strcmp(logmsg, expected) == 0);
ptr <<= 1;
} while(ptr);
for (i = 0; i < sizeof(float_tests)/sizeof(float_tests[0]); i++) {
double d = float_tests[i];
char expected[30];
sprintf(expected, "(EE) %.2f\n", d);
LogMessageVerbSigSafe(X_ERROR, -1, "%f\n", d);
read_log_msg(logmsg);
assert(strcmp(logmsg, expected) == 0);
/* test for length modifiers, we just ignore them atm */
LogMessageVerbSigSafe(X_ERROR, -1, "%.3f\n", d);
read_log_msg(logmsg);
assert(strcmp(logmsg, expected) == 0);
LogMessageVerbSigSafe(X_ERROR, -1, "%3f\n", d);
read_log_msg(logmsg);
assert(strcmp(logmsg, expected) == 0);
LogMessageVerbSigSafe(X_ERROR, -1, "%.0f\n", d);
read_log_msg(logmsg);
assert(strcmp(logmsg, expected) == 0);
}
LogClose(EXIT_NO_ERROR);
unlink(log_file_path);
#undef read_log_msg
}
#pragma GCC diagnostic pop /* "-Wformat-security" */
int
main(int argc, char **argv)
{
number_formatting();
logging_format();
return 0;
}