Sebastian Lackner : ntdll/tests: Add test for _snprintf.
Alexandre Julliard
julliard at winehq.org
Mon Dec 23 13:44:58 CST 2013
Module: wine
Branch: master
Commit: 09bb38d12bbbe5fbeede2e29c8893877d853d792
URL: http://source.winehq.org/git/wine.git/?a=commit;h=09bb38d12bbbe5fbeede2e29c8893877d853d792
Author: Sebastian Lackner <sebastian at fds-team.de>
Date: Mon Dec 16 04:12:18 2013 +0100
ntdll/tests: Add test for _snprintf.
---
dlls/ntdll/tests/string.c | 33 +++++++++++++++++++++++++++++++++
1 files changed, 33 insertions(+), 0 deletions(-)
diff --git a/dlls/ntdll/tests/string.c b/dlls/ntdll/tests/string.c
index 9349f5d..7b56691 100644
--- a/dlls/ntdll/tests/string.c
+++ b/dlls/ntdll/tests/string.c
@@ -59,6 +59,7 @@ static LPWSTR (WINAPIV *p_wcsrchr)(LPCWSTR, WCHAR);
static void (__cdecl *p_qsort)(void *,size_t,size_t, int(__cdecl *compar)(const void *, const void *) );
static void* (__cdecl *p_bsearch)(void *,void*,size_t,size_t, int(__cdecl *compar)(const void *, const void *) );
+static int (__cdecl *p__snprintf)(char *, size_t, const char *, ...);
static void InitFunctionPtrs(void)
@@ -96,6 +97,8 @@ static void InitFunctionPtrs(void)
p_wcsrchr= (void *)GetProcAddress(hntdll, "wcsrchr");
p_qsort= (void *)GetProcAddress(hntdll, "qsort");
p_bsearch= (void *)GetProcAddress(hntdll, "bsearch");
+
+ p__snprintf = (void *)GetProcAddress(hntdll, "_snprintf");
} /* if */
}
@@ -1270,6 +1273,34 @@ static void test_bsearch(void)
}
}
+static void test__snprintf(void)
+{
+ const char *origstring = "XXXXXXXXXXXX";
+ const char *teststring = "hello world";
+ char buffer[32];
+ int res;
+
+ res = p__snprintf(NULL, 0, teststring);
+ ok(res == lstrlenA(teststring), "_snprintf returned %d, expected %d.\n", res, lstrlenA(teststring));
+
+ res = p__snprintf(NULL, 1, teststring);
+ ok(res == lstrlenA(teststring) /* WinXP */ || res < 0 /* Vista and greater */,
+ "_snprintf returned %d, expected %d or < 0.\n", res, lstrlenA(teststring));
+
+ res = p__snprintf(buffer, strlen(teststring) - 1, teststring);
+ ok(res < 0, "_snprintf returned %d, expected < 0.\n", res);
+
+ strcpy(buffer, origstring);
+ res = p__snprintf(buffer, strlen(teststring), teststring);
+ ok(res == lstrlenA(teststring), "_snprintf returned %d, expected %d.\n", res, lstrlenA(teststring));
+ ok(!strcmp(buffer, "hello worldX"), "_snprintf returned buffer '%s', expected 'hello worldX'.\n", buffer);
+
+ strcpy(buffer, origstring);
+ res = p__snprintf(buffer, strlen(teststring) + 1, teststring);
+ ok(res == lstrlenA(teststring), "_snprintf returned %d, expected %d.\n", res, lstrlenA(teststring));
+ ok(!strcmp(buffer, teststring), "_snprintf returned buffer '%s', expected '%s'.\n", buffer, teststring);
+}
+
START_TEST(string)
{
InitFunctionPtrs();
@@ -1304,4 +1335,6 @@ START_TEST(string)
test_qsort();
if (p_bsearch)
test_bsearch();
+ if (p__snprintf)
+ test__snprintf();
}
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