[PATCH 2/6] user32/msg: Add test for combo with disabled edit control showing usage of WM_CTLCOLORSTATIC

[Fabian Maurer]

Signed-off-by: Fabian Maurer 
---
 dlls/user32/tests/msg.c | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/dlls/user32/tests/msg.c b/dlls/user32/tests/msg.c
index 2766e7f5fb..37fdc797fe 100644
--- a/dlls/user32/tests/msg.c
+++ b/dlls/user32/tests/msg.c
@@ -7291,6 +7291,13 @@ static const struct message WMSetFocusComboBoxSeq[] =
     { 0 }
 };

+static const struct message WMEditReadonlyComboBoxSeq[] =
+{
+    { WM_CTLCOLORSTATIC, sent },
+    { WM_CTLCOLORSTATIC, sent|optional }, /* Not sent by wine */
+    { 0 }
+};
+
 static const struct message SetFocusButtonSeq[] =
 {
     { WM_KILLFOCUS, sent },
@@ -7587,6 +7594,30 @@ static void test_combobox_messages(void)

DestroyWindow(combo);
     DestroyWindow(parent);
+
+    /* Test what happens when we use EM_SETREADONLY on the edit control */
+    parent = CreateWindowExA(0, "TestParentClass", "Parent", WS_OVERLAPPEDWINDOW | WS_VISIBLE,
+                            10, 10, 300, 300, NULL, NULL, NULL, NULL);
+    ok(parent != 0, "Failed to create parent window\n");
+
+    combo = CreateWindowExA(0, "my_combobox_class", "test", WS_CHILD | WS_VISIBLE | CBS_DROPDOWN,
+                           5, 5, 100, 100, parent, (HMENU)ID_COMBOBOX, NULL, NULL);
+    ok(combo != 0, "Failed to create combobox window\n");
+    UpdateWindow(combo);
+
+    cbInfo.cbSize = sizeof(COMBOBOXINFO);
+    SetLastError(0xdeadbeef);
+    res = GetComboBoxInfo(combo, &cbInfo);
+    ok(res, "Failed to get COMBOBOXINFO structure; LastError: %u\n", GetLastError());
+
+    SendMessageA(cbInfo.hwndItem, EM_SETREADONLY, (WPARAM)TRUE, 0);
+
+    flush_sequence();
+    UpdateWindow(combo);
+    ok_sequence(WMEditReadonlyComboBoxSeq, "Setting edit control readonly.", FALSE);
+
+    DestroyWindow(combo);
+    DestroyWindow(parent);
 }

/****************** WM_IME_KEYDOWN message test *******************/
--
2.23.0