[PATCH v3 3/3] comctl32/tests: Add WM_CHAR tests for edit control.

[Akihiro Sagawa]

From: Akihiro Sagawa

Comctl32 is different from user32. It doesn't have A-W duality and
uses the input codepage in it.
---
 dlls/comctl32/tests/edit.c | 70 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)

diff --git a/dlls/comctl32/tests/edit.c b/dlls/comctl32/tests/edit.c
index f45b898dc12..eae3cae45e0 100644
--- a/dlls/comctl32/tests/edit.c
+++ b/dlls/comctl32/tests/edit.c
@@ -3764,6 +3764,75 @@ static void test_ime(void)
     DestroyWindow(hwnd);
 }

+static DWORD get_input_codepage( void )
+{
+    DWORD cp;
+    int ret;
+    HKL hkl = GetKeyboardLayout( 0 );
+
+    ret = GetLocaleInfoW( LOWORD(hkl), LOCALE_IDEFAULTANSICODEPAGE | LOCALE_RETURN_NUMBER,
+                          (WCHAR *)&cp, sizeof(cp) / sizeof(WCHAR) );
+    if (!ret) cp = CP_ACP;
+    return cp;
+}
+
+static void test_WM_CHAR(void)
+{
+    static const WCHAR textW[] = { 0x4e00, 0x4e8c, 0x00d7, '!', 0 }; /* one, two, x, ! */
+    CPINFO cpinfo;
+    HWND hwnd[2];
+    int i;
+
+    GetCPInfo(CP_ACP, &cpinfo);
+    if (cpinfo.MaxCharSize > 2)
+    {
+        skip("Skipping legacy WM_CHAR test in UTF-8 codepage\n");
+        return;
+    }
+    hwnd[0] = CreateWindowExA(0, "EDIT", "", ES_AUTOHSCROLL, 0, 0, 300, 30, NULL, NULL, hinst, NULL);
+    hwnd[1] = CreateWindowExW(0, L"EDIT", L"", ES_AUTOHSCROLL, 0, 0, 300, 30, NULL, NULL, hinst, NULL);
+
+    for (i = 0; i < ARRAY_SIZE(hwnd); i++)
+    {
+        const unsigned char* p;
+        WCHAR bufW[10], strW[10];
+        char buf[10], str[10];
+        DWORD cp;
+        MSG msg;
+        int n;
+
+        winetest_push_context("%c", i ? 'W' : 'A');
+
+        cp = get_input_codepage();
+        n = WideCharToMultiByte(cp, 0, textW, -1, buf, ARRAY_SIZE(buf), NULL, NULL);
+        ok(n > 0, "WideCharToMultiByte failed\n");
+
+        for (p = (unsigned char*)buf; *p; p++)
+            PostMessageA(hwnd[i], WM_CHAR, *p, 1);
+
+        while (PeekMessageA(&msg, hwnd[i], 0, 0, PM_REMOVE))
+            DispatchMessageA(&msg);
+
+        n = MultiByteToWideChar(cp, 0, buf, -1, bufW, ARRAY_SIZE(bufW));
+        ok(n > 0, "MultiByteToWideChar failed\n");
+        n = GetWindowTextW(hwnd[i], strW, ARRAY_SIZE(strW));
+        ok(n > 0, "GetWindowTextW failed\n");
+        ok(!wcscmp(strW, bufW), "got %s, expected %s\n",
+           wine_dbgstr_w(strW), wine_dbgstr_w(bufW));
+
+        n = WideCharToMultiByte(CP_ACP, 0, bufW, -1, buf, ARRAY_SIZE(buf), NULL, NULL);
+        ok(n > 0, "WideCharToMultiByte failed\n");
+        n = GetWindowTextA(hwnd[i], str, ARRAY_SIZE(str));
+        ok(n > 0, "GetWindowText failed\n");
+        ok(!strcmp(str, buf), "got %s, expected %s\n",
+           wine_dbgstr_a(str), wine_dbgstr_a(buf));
+
+        DestroyWindow(hwnd[i]);
+
+        winetest_pop_context();
+    }
+}
+
 START_TEST(edit)
 {
     ULONG_PTR ctx_cookie;
@@ -3811,6 +3880,7 @@ START_TEST(edit)
     test_change_focus();
     test_cue_banner();
     test_ime();
+    test_WM_CHAR();

UnregisterWindowClasses();