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ucrtbase: Simplify the snprintf/swprintf tests.

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Avoid repeating the test strings, calculate the expected return value
with code.

Signed-off-by: Martin Storsjo <martin@martin.st>
Signed-off-by: Piotr Caban <piotr@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Martin Storsjo 2015-11-02 12:08:36 +02:00 committed by Alexandre Julliard
parent 2a74c9a8ed
commit 4b47da3ad7
1 changed files with 20 additions and 40 deletions
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60
dlls/ucrtbase/tests/printf.c
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@ -82,27 +82,15 @@ static int __cdecl vsprintf_wrapper(unsigned __int64 options, char *str,
static void test_snprintf (void)
{
struct snprintf_test {
const char *format;
int expected;
};
/* Legacy behaviour, not C99 compliant. */
const struct snprintf_test tests_legacy[] = {{"short", 5},
{"justfit", 7},
{"justfits", 8},
{"muchlonger", -1}};
/* New C99 compliant behaviour. */
const struct snprintf_test tests_standard[] = {{"short", 5},
{"justfit", 7},
{"justfits", 8},
{"muchlonger", 10}};
const char *tests[] = {"short", "justfit", "justfits", "muchlonger"};
char buffer[8];
const int bufsiz = sizeof buffer;
unsigned int i;
for (i = 0; i < sizeof tests_legacy / sizeof tests_legacy[0]; i++) {
const char *fmt = tests_legacy[i].format;
const int expect = tests_legacy[i].expected;
/* 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 (1, buffer, bufsiz, fmt);
const int valid = n < 0 ? bufsiz : (n == bufsiz ? n : n+1);
@ -112,9 +100,10 @@ static void test_snprintf (void)
"\"%s\": rendered \"%.*s\"\n", fmt, valid, buffer);
}
for (i = 0; i < sizeof tests_standard / sizeof tests_standard[0]; i++) {
const char *fmt = tests_standard[i].format;
const int expect = tests_standard[i].expected;
/* 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 (2, buffer, bufsiz, fmt);
const int valid = n >= bufsiz ? bufsiz - 1 : n < 0 ? 0 : n;
@ -137,34 +126,24 @@ static int __cdecl vswprintf_wrapper(unsigned __int64 options, wchar_t *str,
__ms_va_end(valist);
return ret;
}
static void test_swprintf (void)
{
struct swprintf_test {
const wchar_t *format;
int expected;
};
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};
/* Legacy behaviour, not C99 compliant. */
const struct swprintf_test tests_legacy[] = {{str_short, 5},
{str_justfit, 7},
{str_justfits, 8},
{str_muchlonger, -1}};
/* New C99 compliant behaviour. */
const struct swprintf_test tests_standard[] = {{str_short, 5},
{str_justfit, 7},
{str_justfits, 8},
{str_muchlonger, 10}};
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;
for (i = 0; i < sizeof tests_legacy / sizeof tests_legacy[0]; i++) {
const wchar_t *fmt = tests_legacy[i].format;
const int expect = tests_legacy[i].expected;
/* 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 (1, buffer, bufsiz, fmt);
const int valid = n < 0 ? bufsiz : (n == bufsiz ? n : n+1);
@ -176,9 +155,10 @@ static void test_swprintf (void)
"\"%s\": rendered \"%.*s\"\n", narrow_fmt, valid, narrow);
}
for (i = 0; i < sizeof tests_standard / sizeof tests_standard[0]; i++) {
const wchar_t *fmt = tests_standard[i].format;
const int expect = tests_standard[i].expected;
/* 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 (2, buffer, bufsiz, fmt);
const int valid = n >= bufsiz ? bufsiz - 1 : n < 0 ? 0 : n;