msvcrt/tests: Add a test for wcsncpy().

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com> Signed-off-by: Piotr Caban <piotr@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

msvcrt/tests: Add a test for wcsncpy().
a1e47a31 · Nikolay Sivov · Alexandre Julliard · 1fadcf24 · a1e47a31
Commit a1e47a31 authored Mar 30, 2021 by Nikolay Sivov Committed by Alexandre Julliard Mar 30, 2021
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string.c dlls/msvcrt/tests/string.c +12 -0

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--- a/dlls/msvcrt/tests/string.c
+++ b/dlls/msvcrt/tests/string.c
@@ -4457,6 +4457,17 @@ static void test__mbbtype(void)
    }
 }

+static void test_wcsncpy(void)
+{
+    wchar_t dst[6], *p;
+
+    memset(dst, 0xff, sizeof(dst));
+    p = wcsncpy(dst, L"1234567", 6);
+    ok(p == dst, "Unexpected return value.\n");
+    ok(!memcmp(dst, L"123456", sizeof(dst)), "unexpected buffer %s\n",
+            wine_dbgstr_wn(dst, ARRAY_SIZE(dst)));
+}
+
 START_TEST(string)
 {
    char mem[100];
@@ -4612,4 +4623,5 @@ START_TEST(string)
    test___STRINGTOLD();
    test_SpecialCasing();
    test__mbbtype();
+    test_wcsncpy();
 }