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xenocara/xserver/test/signal-logging.c
matthieu 8a0d473d7b Sync with xorg-server 21.1.3. 
This does *not* include the commit that reverts the new computation
of the screen resolution from dimensions returned by the screen since
many of you told they prefer the new behaviour from 21.1.1.

This is going to be discussed again before 7.1
2022-02-20 17:41:34 +00:00

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/**
* 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.
*/
/* Test relies on assert() */
#undef NDEBUG
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include <stdint.h>
#include <unistd.h>
#include "assert.h"
#include "misc.h"
#include "tests-common.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 < ARRAY_SIZE(unsigned_tests); i++)
assert(check_number_format_test(unsigned_tests[i]));
for (i = 0; i < ARRAY_SIZE(signed_tests); i++)
assert(check_signed_number_format_test(signed_tests[i]));
for (i = 0; i < ARRAY_SIZE(float_tests); 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 < ARRAY_SIZE(float_tests); 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
signal_logging_test(void)
{
number_formatting();
logging_format();
return 0;
}
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