[NTDLL_APITEST] Add tests for RtlxUnicodeStringToAnsiSize & RtlxUnicodeStringToOemSize

[reactos.git] / modules / rostests / apitests / ntdll / RtlxUnicodeStringToAnsiSize.c

diff --git a/modules/rostests/apitests/ntdll/RtlxUnicodeStringToAnsiSize.c b/modules/rostests/apitests/ntdll/RtlxUnicodeStringToAnsiSize.c
new file mode 100644 (file)
index 0000000..5caeea2
--- /dev/null
+++ b/modules/rostests/apitests/ntdll/RtlxUnicodeStringToAnsiSize.c
@@ -0,0 +1,33 @@
+/*
+ * PROJECT:     ReactOS API tests
+ * LICENSE:     0BSD (https://spdx.org/licenses/0BSD.html)
+ * PURPOSE:     Test for RtlxUnicodeStringToAnsiSize
+ * COPYRIGHT:   Copyright 2021 Jérôme Gardou <jerome.gardou@reactos.org>
+ */
+
+#include "precomp.h"
+
+static const struct
+{
+    ULONG AnsiCp;
+    ULONG OemCp;
+    PCWSTR Str;
+    ULONG OemLength;
+} TestData[] =
+{
+    { 1252, 932, L"\u30c7\u30b9\u30af\u30c8\u30c3\u30d7", 7 }, /* "Desktop" in Japanese */
+    { 932, 1252, L"\u30c7\u30b9\u30af\u30c8\u30c3\u30d7", 13 }, /* "Desktop" in Japanese */
+};
+
+START_TEST(RtlxUnicodeStringToAnsiSize)
+{
+    for (int i = 0; i < _countof(TestData); i++)
+    {
+        SetupLocale(TestData[i].AnsiCp, TestData[i].OemCp, -1);
+        UNICODE_STRING Ustr;
+        RtlInitUnicodeString(&Ustr, TestData[i].Str);
+        ULONG Length = RtlxUnicodeStringToAnsiSize(&Ustr);
+        ok(Length == TestData[i].OemLength, "Wrong OEM length for test %u, expected %u, got %u\n",
+           i, (UINT)TestData[i].OemLength, (UINT)Length);
+    }
+}