[PATCH 2/2] msvcrt/tests: Add tests for wcsdup.

[Alex Henrie]

From: Alex Henrie

---
 dlls/msvcrt/tests/string.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/dlls/msvcrt/tests/string.c b/dlls/msvcrt/tests/string.c
index 02eaa7a0b4b..db280255064 100644
--- a/dlls/msvcrt/tests/string.c
+++ b/dlls/msvcrt/tests/string.c
@@ -648,6 +648,14 @@ static void test_strdup(void)
     ok(errno == 0xdeadbeef, "errno is %d, expected 0xdeadbeef\n", errno);
 }

+static void test_wcsdup(void)
+{
+    WCHAR *str = wcsdup(0);
+    errno = 0xdeadbeef;
+    ok(str == 0, "wcsdup returned %s, expected NULL\n", wine_dbgstr_w(str));
+    ok(errno == 0xdeadbeef, "errno is %d, expected 0xdeadbeef\n", errno);
+}
+
 static void test_strcmp(void)
 {
     int ret = p_strcmp( "abc", "abcd" );
@@ -4704,6 +4712,7 @@ START_TEST(string)
     test_mbsspn();
     test_mbsspnp();
     test_strdup();
+    test_wcsdup();
     test_strcmp();
     test_strcpy_s();
     test_memcpy_s();