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