[PATCH 1/2] msvcrt/tests: Test toupper() with DBCS.

[Jactry Zeng]

From: Jactry Zeng

---
 dlls/msvcrt/tests/string.c | 48 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/dlls/msvcrt/tests/string.c b/dlls/msvcrt/tests/string.c
index 533419fb194..967f3f20d75 100644
--- a/dlls/msvcrt/tests/string.c
+++ b/dlls/msvcrt/tests/string.c
@@ -4974,6 +4974,53 @@ static void test__strnicmp_l(void)
     setlocale(LC_ALL, "C");
 }

+static void test_toupper(void)
+{
+    int ret;
+
+    ok(setlocale(LC_ALL, "English_United States") != NULL, "setlocale failed.\n");
+    errno = 0xdeadbeef;
+    ret = toupper((signed char)0xf0);
+    ok(ret == 0xd0, "Got %#x.\n", ret);
+    ok(errno == EILSEQ, "Got errno %d.\n", errno);
+    errno = 0xdeadbeef;
+    ret = toupper(0xf0);
+    ok(ret == 0xd0, "Got %#x.\n", ret);
+    ok(errno == 0xdeadbeef, "Got errno %d.\n", errno);
+
+    ok(setlocale(LC_ALL, "Polish") != NULL, "setlocale failed.\n");
+    errno = 0xdeadbeef;
+    ret = toupper((signed char)0xa5);
+    ok(ret == 0xa5, "Got %#x.\n", ret);
+    ok(errno == EILSEQ, "Got errno %d.\n", errno);
+    errno = 0xdeadbeef;
+    ret = toupper((signed char)0xb9);
+    ok(ret == 0xa5, "Got %#x.\n", ret);
+    ok(errno == EILSEQ, "Got errno %d.\n", errno);
+
+    ok(setlocale(LC_ALL, "Japanese_Japan.932") != NULL, "setlocale failed.\n");
+    errno = 0xdeadbeef;
+    ret = toupper((signed char)0xf0);
+    ok(ret == (signed char)0xf0, "Got %#x.\n", ret);
+    ok(errno == EILSEQ, "Got errno %d.\n", errno);
+    errno = 0xdeadbeef;
+    ret = toupper(0xf0);
+    todo_wine ok(ret == 0xf0, "Got %#x.\n", ret);
+    ok(errno == 0xdeadbeef, "Got errno %d.\n", errno);
+
+    ok(setlocale(LC_ALL, "Chinese_China.936") != NULL, "setlocale failed.\n");
+    errno = 0xdeadbeef;
+    ret = toupper((signed char)0xf0);
+    ok(ret == (signed char)0xf0, "Got %#x.\n", ret);
+    ok(errno == EILSEQ, "Got errno %d.\n", errno);
+    errno = 0xdeadbeef;
+    ret = toupper(0xf0);
+    todo_wine ok(ret == 0xf0, "Got %#x.\n", ret);
+    ok(errno == 0xdeadbeef, "Got errno %d.\n", errno);
+
+    setlocale(LC_ALL, "C");
+}
+
 START_TEST(string)
 {
     char mem[100];
@@ -5139,4 +5186,5 @@ START_TEST(string)
     test_mbsrev();
     test__tolower_l();
     test__strnicmp_l();
+    test_toupper();
 }