ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
Sweden-Number/dlls/ucrtbase/tests/printf.c

465 lines
18 KiB
C
Raw Blame History

/*
* Conformance tests for *printf functions.
*
* Copyright 2002 Uwe Bonnes
* Copyright 2004 Aneurin Price
* Copyright 2005 Mike McCormack
* Copyright 2015 Martin Storsjo
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdio.h>
#include <errno.h>
#include "windef.h"
#include "winbase.h"
#include "winnls.h"
#include "wine/test.h"
#define UCRTBASE_PRINTF_LEGACY_VSPRINTF_NULL_TERMINATION (0x0001)
#define UCRTBASE_PRINTF_STANDARD_SNPRINTF_BEHAVIOUR (0x0002)
#define UCRTBASE_PRINTF_LEGACY_WIDE_SPECIFIERS (0x0004)
#define UCRTBASE_PRINTF_LEGACY_MSVCRT_COMPATIBILITY (0x0008)
#define UCRTBASE_PRINTF_LEGACY_THREE_DIGIT_EXPONENTS (0x0010)
static inline float __port_infinity(void)
{
static const unsigned __inf_bytes = 0x7f800000;
return *(const float *)&__inf_bytes;
}
#define INFINITY __port_infinity()
static inline float __port_nan(void)
{
static const unsigned __nan_bytes = 0x7fc00000;
return *(const float *)&__nan_bytes;
}
#define NAN __port_nan()
static inline float __port_ind(void)
{
static const unsigned __ind_bytes = 0xffc00000;
return *(const float *)&__ind_bytes;
}
#define IND __port_ind()
static int (__cdecl *p_vfprintf)(unsigned __int64 options, FILE *file, const char *format,
void *locale, __ms_va_list valist);
static int (__cdecl *p_vsprintf)(unsigned __int64 options, char *str, size_t len, const char *format,
void *locale, __ms_va_list valist);
static int (__cdecl *p_vsnprintf_s)(unsigned __int64 options, char *str, size_t sizeOfBuffer, size_t count, const char *format,
void *locale, __ms_va_list valist);
static int (__cdecl *p_vsprintf_s)(unsigned __int64 options, char *str, size_t count, const char *format,
void *locale, __ms_va_list valist);
static int (__cdecl *p_vswprintf)(unsigned __int64 options, wchar_t *str, size_t len, const wchar_t *format,
void *locale, __ms_va_list valist);
static FILE *(__cdecl *p_fopen)(const char *name, const char *mode);
static int (__cdecl *p_fclose)(FILE *file);
static long (__cdecl *p_ftell)(FILE *file);
static char *(__cdecl *p_fgets)(char *str, int size, FILE *file);
static BOOL init( void )
{
HMODULE hmod = LoadLibraryA("ucrtbase.dll");
if (!hmod)
{
win_skip("ucrtbase.dll not installed\n");
return FALSE;
}
p_vfprintf = (void *)GetProcAddress(hmod, "__stdio_common_vfprintf");
p_vsprintf = (void *)GetProcAddress(hmod, "__stdio_common_vsprintf");
p_vsnprintf_s = (void *)GetProcAddress(hmod, "__stdio_common_vsnprintf_s");
p_vsprintf_s = (void *)GetProcAddress(hmod, "__stdio_common_vsprintf_s");
p_vswprintf = (void *)GetProcAddress(hmod, "__stdio_common_vswprintf");
p_fopen = (void *)GetProcAddress(hmod, "fopen");
p_fclose = (void *)GetProcAddress(hmod, "fclose");
p_ftell = (void *)GetProcAddress(hmod, "ftell");
p_fgets = (void *)GetProcAddress(hmod, "fgets");
return TRUE;
}
static int __cdecl vsprintf_wrapper(unsigned __int64 options, char *str,
size_t len, const char *format, ...)
{
int ret;
__ms_va_list valist;
__ms_va_start(valist, format);
ret = p_vsprintf(options, str, len, format, NULL, valist);
__ms_va_end(valist);
return ret;
}
static void test_snprintf (void)
{
const char *tests[] = {"short", "justfit", "justfits", "muchlonger"};
char buffer[8];
const int bufsiz = sizeof buffer;
unsigned int i;
/* Legacy _snprintf style termination */
for (i = 0; i < sizeof tests / sizeof tests[0]; i++) {
const char *fmt = tests[i];
const int expect = strlen(fmt) > bufsiz ? -1 : strlen(fmt);
const int n = vsprintf_wrapper (UCRTBASE_PRINTF_LEGACY_VSPRINTF_NULL_TERMINATION, buffer, bufsiz, fmt);
const int valid = n < 0 ? bufsiz : (n == bufsiz ? n : n+1);
ok (n == expect, "\"%s\": expected %d, returned %d\n",
fmt, expect, n);
ok (!memcmp (fmt, buffer, valid),
"\"%s\": rendered \"%.*s\"\n", fmt, valid, buffer);
}
/* C99 snprintf style termination */
for (i = 0; i < sizeof tests / sizeof tests[0]; i++) {
const char *fmt = tests[i];
const int expect = strlen(fmt);
const int n = vsprintf_wrapper (UCRTBASE_PRINTF_STANDARD_SNPRINTF_BEHAVIOUR, buffer, bufsiz, fmt);
const int valid = n >= bufsiz ? bufsiz - 1 : n < 0 ? 0 : n;
ok (n == expect, "\"%s\": expected %d, returned %d\n",
fmt, expect, n);
ok (!memcmp (fmt, buffer, valid),
"\"%s\": rendered \"%.*s\"\n", fmt, valid, buffer);
ok (buffer[valid] == '\0',
"\"%s\": Missing null termination (ret %d) - is %d\n", fmt, n, buffer[valid]);
}
/* swprintf style termination */
for (i = 0; i < sizeof tests / sizeof tests[0]; i++) {
const char *fmt = tests[i];
const int expect = strlen(fmt) >= bufsiz ? -2 : strlen(fmt);
const int n = vsprintf_wrapper (0, buffer, bufsiz, fmt);
const int valid = n < 0 ? bufsiz - 1 : n;
ok (n == expect, "\"%s\": expected %d, returned %d\n",
fmt, expect, n);
ok (!memcmp (fmt, buffer, valid),
"\"%s\": rendered \"%.*s\"\n", fmt, valid, buffer);
ok (buffer[valid] == '\0',
"\"%s\": Missing null termination (ret %d) - is %d\n", fmt, n, buffer[valid]);
}
ok (vsprintf_wrapper (UCRTBASE_PRINTF_STANDARD_SNPRINTF_BEHAVIOUR, NULL, 0, "abcd") == 4,
"Failure to snprintf to NULL\n");
}
static int __cdecl vswprintf_wrapper(unsigned __int64 options, wchar_t *str,
size_t len, const wchar_t *format, ...)
{
int ret;
__ms_va_list valist;
__ms_va_start(valist, format);
ret = p_vswprintf(options, str, len, format, NULL, valist);
__ms_va_end(valist);
return ret;
}
static void test_swprintf (void)
{
const wchar_t str_short[] = {'s','h','o','r','t',0};
const wchar_t str_justfit[] = {'j','u','s','t','f','i','t',0};
const wchar_t str_justfits[] = {'j','u','s','t','f','i','t','s',0};
const wchar_t str_muchlonger[] = {'m','u','c','h','l','o','n','g','e','r',0};
const wchar_t *tests[] = {str_short, str_justfit, str_justfits, str_muchlonger};
wchar_t buffer[8];
char narrow[8], narrow_fmt[16];
const int bufsiz = sizeof buffer / sizeof buffer[0];
unsigned int i;
/* Legacy _snprintf style termination */
for (i = 0; i < sizeof tests / sizeof tests[0]; i++) {
const wchar_t *fmt = tests[i];
const int expect = wcslen(fmt) > bufsiz ? -1 : wcslen(fmt);
const int n = vswprintf_wrapper (UCRTBASE_PRINTF_LEGACY_VSPRINTF_NULL_TERMINATION, buffer, bufsiz, fmt);
const int valid = n < 0 ? bufsiz : (n == bufsiz ? n : n+1);
WideCharToMultiByte (CP_ACP, 0, buffer, -1, narrow, sizeof(narrow), NULL, NULL);
WideCharToMultiByte (CP_ACP, 0, fmt, -1, narrow_fmt, sizeof(narrow_fmt), NULL, NULL);
ok (n == expect, "\"%s\": expected %d, returned %d\n",
narrow_fmt, expect, n);
ok (!memcmp (fmt, buffer, valid * sizeof(wchar_t)),
"\"%s\": rendered \"%.*s\"\n", narrow_fmt, valid, narrow);
}
/* C99 snprintf style termination */
for (i = 0; i < sizeof tests / sizeof tests[0]; i++) {
const wchar_t *fmt = tests[i];
const int expect = wcslen(fmt);
const int n = vswprintf_wrapper (UCRTBASE_PRINTF_STANDARD_SNPRINTF_BEHAVIOUR, buffer, bufsiz, fmt);
const int valid = n >= bufsiz ? bufsiz - 1 : n < 0 ? 0 : n;
WideCharToMultiByte (CP_ACP, 0, buffer, -1, narrow, sizeof(narrow), NULL, NULL);
WideCharToMultiByte (CP_ACP, 0, fmt, -1, narrow_fmt, sizeof(narrow_fmt), NULL, NULL);
ok (n == expect, "\"%s\": expected %d, returned %d\n",
narrow_fmt, expect, n);
ok (!memcmp (fmt, buffer, valid * sizeof(wchar_t)),
"\"%s\": rendered \"%.*s\"\n", narrow_fmt, valid, narrow);
ok (buffer[valid] == '\0',
"\"%s\": Missing null termination (ret %d) - is %d\n", narrow_fmt, n, buffer[valid]);
}
/* swprintf style termination */
for (i = 0; i < sizeof tests / sizeof tests[0]; i++) {
const wchar_t *fmt = tests[i];
const int expect = wcslen(fmt) >= bufsiz ? -2 : wcslen(fmt);
const int n = vswprintf_wrapper (0, buffer, bufsiz, fmt);
const int valid = n < 0 ? bufsiz - 1 : n;
WideCharToMultiByte (CP_ACP, 0, buffer, -1, narrow, sizeof(narrow), NULL, NULL);
WideCharToMultiByte (CP_ACP, 0, fmt, -1, narrow_fmt, sizeof(narrow_fmt), NULL, NULL);
ok (n == expect, "\"%s\": expected %d, returned %d\n",
narrow_fmt, expect, n);
ok (!memcmp (fmt, buffer, valid * sizeof(wchar_t)),
"\"%s\": rendered \"%.*s\"\n", narrow_fmt, valid, narrow);
ok (buffer[valid] == '\0',
"\"%s\": Missing null termination (ret %d) - is %d\n", narrow_fmt, n, buffer[valid]);
}
}
static int __cdecl vfprintf_wrapper(FILE *file,
const char *format, ...)
{
int ret;
__ms_va_list valist;
__ms_va_start(valist, format);
ret = p_vfprintf(0, file, format, NULL, valist);
__ms_va_end(valist);
return ret;
}
static void test_fprintf(void)
{
static const char file_name[] = "fprintf.tst";
FILE *fp = p_fopen(file_name, "wb");
char buf[1024];
int ret;
ret = vfprintf_wrapper(fp, "simple test\n");
ok(ret == 12, "ret = %d\n", ret);
ret = p_ftell(fp);
ok(ret == 12, "ftell returned %d\n", ret);
ret = vfprintf_wrapper(fp, "contains%cnull\n", '\0');
ok(ret == 14, "ret = %d\n", ret);
ret = p_ftell(fp);
ok(ret == 26, "ftell returned %d\n", ret);
p_fclose(fp);
fp = p_fopen(file_name, "rb");
p_fgets(buf, sizeof(buf), fp);
ret = p_ftell(fp);
ok(ret == 12, "ftell returned %d\n", ret);
ok(!strcmp(buf, "simple test\n"), "buf = %s\n", buf);
p_fgets(buf, sizeof(buf), fp);
ret = p_ftell(fp);
ok(ret == 26, "ret = %d\n", ret);
ok(!memcmp(buf, "contains\0null\n", 14), "buf = %s\n", buf);
p_fclose(fp);
fp = p_fopen(file_name, "wt");
ret = vfprintf_wrapper(fp, "simple test\n");
ok(ret == 12, "ret = %d\n", ret);
ret = p_ftell(fp);
ok(ret == 13, "ftell returned %d\n", ret);
ret = vfprintf_wrapper(fp, "contains%cnull\n", '\0');
ok(ret == 14, "ret = %d\n", ret);
ret = p_ftell(fp);
ok(ret == 28, "ftell returned %d\n", ret);
p_fclose(fp);
fp = p_fopen(file_name, "rb");
p_fgets(buf, sizeof(buf), fp);
ret = p_ftell(fp);
ok(ret == 13, "ftell returned %d\n", ret);
ok(!strcmp(buf, "simple test\r\n"), "buf = %s\n", buf);
p_fgets(buf, sizeof(buf), fp);
ret = p_ftell(fp);
ok(ret == 28, "ret = %d\n", ret);
ok(!memcmp(buf, "contains\0null\r\n", 15), "buf = %s\n", buf);
p_fclose(fp);
unlink(file_name);
}
static int __cdecl _vsnprintf_s_wrapper(char *str, size_t sizeOfBuffer,
size_t count, const char *format, ...)
{
int ret;
__ms_va_list valist;
__ms_va_start(valist, format);
ret = p_vsnprintf_s(0, str, sizeOfBuffer, count, format, NULL, valist);
__ms_va_end(valist);
return ret;
}
static void test_vsnprintf_s(void)
{
const char format[] = "AB%uC";
const char out7[] = "AB123C";
const char out6[] = "AB123";
const char out2[] = "A";
const char out1[] = "";
char buffer[14] = { 0 };
int exp, got;
/* Enough room. */
exp = strlen(out7);
got = _vsnprintf_s_wrapper(buffer, 14, _TRUNCATE, format, 123);
ok( exp == got, "length wrong, expect=%d, got=%d\n", exp, got);
ok( !strcmp(out7, buffer), "buffer wrong, got=%s\n", buffer);
got = _vsnprintf_s_wrapper(buffer, 12, _TRUNCATE, format, 123);
ok( exp == got, "length wrong, expect=%d, got=%d\n", exp, got);
ok( !strcmp(out7, buffer), "buffer wrong, got=%s\n", buffer);
got = _vsnprintf_s_wrapper(buffer, 7, _TRUNCATE, format, 123);
ok( exp == got, "length wrong, expect=%d, got=%d\n", exp, got);
ok( !strcmp(out7, buffer), "buffer wrong, got=%s\n", buffer);
/* Not enough room. */
exp = -1;
got = _vsnprintf_s_wrapper(buffer, 6, _TRUNCATE, format, 123);
ok( exp == got, "length wrong, expect=%d, got=%d\n", exp, got);
ok( !strcmp(out6, buffer), "buffer wrong, got=%s\n", buffer);
got = _vsnprintf_s_wrapper(buffer, 2, _TRUNCATE, format, 123);
ok( exp == got, "length wrong, expect=%d, got=%d\n", exp, got);
ok( !strcmp(out2, buffer), "buffer wrong, got=%s\n", buffer);
got = _vsnprintf_s_wrapper(buffer, 1, _TRUNCATE, format, 123);
ok( exp == got, "length wrong, expect=%d, got=%d\n", exp, got);
ok( !strcmp(out1, buffer), "buffer wrong, got=%s\n", buffer);
}
static void test_printf_legacy_wide(void)
{
const wchar_t wide[] = {'A','B','C','D',0};
const char narrow[] = "abcd";
const char out[] = "abcd ABCD";
/* The legacy wide flag doesn't affect narrow printfs, so the same
* format should behave the same both with and without the flag. */
const char narrow_fmt[] = "%s %ls";
/* The standard behaviour is to use the same format as for the narrow
* case, while the legacy case has got a different meaning for %s. */
const wchar_t std_wide_fmt[] = {'%','s',' ','%','l','s',0};
const wchar_t legacy_wide_fmt[] = {'%','h','s',' ','%','s',0};
char buffer[20];
wchar_t wbuffer[20];
vsprintf_wrapper(0, buffer, sizeof(buffer), narrow_fmt, narrow, wide);
ok(!strcmp(buffer, out), "buffer wrong, got=%s\n", buffer);
vsprintf_wrapper(UCRTBASE_PRINTF_LEGACY_WIDE_SPECIFIERS, buffer, sizeof(buffer), narrow_fmt, narrow, wide);
ok(!strcmp(buffer, out), "buffer wrong, got=%s\n", buffer);
vswprintf_wrapper(0, wbuffer, sizeof(wbuffer), std_wide_fmt, narrow, wide);
WideCharToMultiByte(CP_ACP, 0, wbuffer, -1, buffer, sizeof(buffer), NULL, NULL);
ok(!strcmp(buffer, out), "buffer wrong, got=%s\n", buffer);
vswprintf_wrapper(UCRTBASE_PRINTF_LEGACY_WIDE_SPECIFIERS, wbuffer, sizeof(wbuffer), legacy_wide_fmt, narrow, wide);
WideCharToMultiByte(CP_ACP, 0, wbuffer, -1, buffer, sizeof(buffer), NULL, NULL);
ok(!strcmp(buffer, out), "buffer wrong, got=%s\n", buffer);
}
static void test_printf_legacy_msvcrt(void)
{
char buf[50];
/* In standard mode, %F is a float format conversion, while it is a
* length modifier in legacy msvcrt mode. In legacy mode, N is also
* a length modifier. */
vsprintf_wrapper(0, buf, sizeof(buf), "%F", 1.23);
ok(!strcmp(buf, "1.230000"), "buf = %s\n", buf);
vsprintf_wrapper(UCRTBASE_PRINTF_LEGACY_MSVCRT_COMPATIBILITY, buf, sizeof(buf), "%Fd %Nd", 123, 456);
ok(!strcmp(buf, "123 456"), "buf = %s\n", buf);
vsprintf_wrapper(0, buf, sizeof(buf), "%f %F %f %e %E %g %G", INFINITY, INFINITY, -INFINITY, INFINITY, INFINITY, INFINITY, INFINITY);
ok(!strcmp(buf, "inf INF -inf inf INF inf INF"), "buf = %s\n", buf);
vsprintf_wrapper(UCRTBASE_PRINTF_LEGACY_MSVCRT_COMPATIBILITY, buf, sizeof(buf), "%f", INFINITY);
ok(!strcmp(buf, "1.#INF00"), "buf = %s\n", buf);
vsprintf_wrapper(0, buf, sizeof(buf), "%f %F", NAN, NAN);
ok(!strcmp(buf, "nan NAN"), "buf = %s\n", buf);
vsprintf_wrapper(UCRTBASE_PRINTF_LEGACY_MSVCRT_COMPATIBILITY, buf, sizeof(buf), "%f", NAN);
ok(!strcmp(buf, "1.#QNAN0"), "buf = %s\n", buf);
vsprintf_wrapper(0, buf, sizeof(buf), "%f %F", IND, IND);
ok(!strcmp(buf, "-nan(ind) -NAN(IND)"), "buf = %s\n", buf);
vsprintf_wrapper(UCRTBASE_PRINTF_LEGACY_MSVCRT_COMPATIBILITY, buf, sizeof(buf), "%f", IND);
ok(!strcmp(buf, "-1.#IND00"), "buf = %s\n", buf);
}
static void test_printf_legacy_three_digit_exp(void)
{
char buf[20];
vsprintf_wrapper(0, buf, sizeof(buf), "%E", 1.23);
ok(!strcmp(buf, "1.230000E+00"), "buf = %s\n", buf);
vsprintf_wrapper(UCRTBASE_PRINTF_LEGACY_THREE_DIGIT_EXPONENTS, buf, sizeof(buf), "%E", 1.23);
ok(!strcmp(buf, "1.230000E+000"), "buf = %s\n", buf);
vsprintf_wrapper(0, buf, sizeof(buf), "%E", 1.23e+123);
ok(!strcmp(buf, "1.230000E+123"), "buf = %s\n", buf);
}
static void test_printf_c99(void)
{
char buf[20];
/* The msvcrt compatibility flag doesn't affect whether 'z' is interpreted
* as size_t size for integers. */
if (sizeof(void*) == 8) {
vsprintf_wrapper(0, buf, sizeof(buf), "%zx %d",
(size_t) 0x12345678123456, 1);
ok(!strcmp(buf, "12345678123456 1"), "buf = %s\n", buf);
vsprintf_wrapper(UCRTBASE_PRINTF_LEGACY_MSVCRT_COMPATIBILITY,
buf, sizeof(buf), "%zx %d", (size_t) 0x12345678123456, 1);
ok(!strcmp(buf, "12345678123456 1"), "buf = %s\n", buf);
} else {
vsprintf_wrapper(0, buf, sizeof(buf), "%zx %d",
(size_t) 0x123456, 1);
ok(!strcmp(buf, "123456 1"), "buf = %s\n", buf);
vsprintf_wrapper(UCRTBASE_PRINTF_LEGACY_MSVCRT_COMPATIBILITY,
buf, sizeof(buf), "%zx %d", (size_t) 0x123456, 1);
ok(!strcmp(buf, "123456 1"), "buf = %s\n", buf);
}
}
START_TEST(printf)
{
if (!init()) return;
test_snprintf();
test_swprintf();
test_fprintf();
test_vsnprintf_s();
test_printf_legacy_wide();
test_printf_legacy_msvcrt();
test_printf_legacy_three_digit_exp();
test_printf_c99();
}
Reference in New Issue View Git Blame Copy Permalink