[PATCH 1/2] comctl32/tests: Add test for header item rect caching in LVS_REPORT listview during paint.

[Jacob Czekalla]

From: Jacob Czekalla

Tests how the rects for the listviews header should be refreshed during painting.
---
 dlls/comctl32/tests/listview.c | 66 ++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)

diff --git a/dlls/comctl32/tests/listview.c b/dlls/comctl32/tests/listview.c
index b767106e97a..8487394b1e8 100644
--- a/dlls/comctl32/tests/listview.c
+++ b/dlls/comctl32/tests/listview.c
@@ -608,6 +608,24 @@ static const struct message listview_end_label_edit_kill_focus[] = {
     { 0 }
 };

+static const struct message listview_invalidate_rect[] = {
+    { WM_PAINT,  sent },
+    { WM_PAINT, sent },
+    { WM_NCPAINT,  sent|defwinproc },
+    { WM_ERASEBKGND,  sent|defwinproc },
+    { WM_NOTIFY,  sent|defwinproc },
+    { HDM_ORDERTOINDEX,  sent|wparam, 0 },
+    { HDM_GETITEMW,  sent|wparam|optional, 0 }, /* todo: not sent by wine yet */
+    { HDM_GETITEMRECT,  sent|wparam, 0 },
+    { HDM_ORDERTOINDEX,  sent|wparam, 1 },
+    { HDM_GETITEMW,  sent|wparam|optional, 1 }, /* todo: not sent by wine yet */
+    { HDM_GETITEMRECT,  sent|wparam, 1 },
+    { HDM_ORDERTOINDEX,  sent|wparam, 2 },
+    { HDM_GETITEMW,  sent|wparam|optional, 2 }, /* todo: not sent by wine yet */
+    { HDM_GETITEMRECT,  sent|wparam, 2 },
+    { 0 }
+};
+
 static void hold_key(int vk)
 {
     BYTE kstate[256];
@@ -7489,6 +7507,53 @@ static void test_LVM_GETHOTCURSOR(void)
     DestroyWindow(hwnd);
 }

+static void test_column_rect_caching(void)
+{
+    HWND listview;
+    LVCOLUMNA column = { 0 };
+    LVITEMA item = { 0 };
+    char a_text[] = "A", b_text[] = "B", c_text[] = "C";
+
+    listview = create_listview_control(LVS_REPORT);
+    subclass_header(listview);
+
+    column.mask = LVCF_TEXT | LVCF_WIDTH | LVCF_SUBITEM;
+    column.cx = 50;
+    column.pszText = a_text;
+    column.iSubItem = 0;
+    SendMessageA(listview, LVM_INSERTCOLUMNA, 0, (LPARAM)&column);
+    column.cx = 50;
+    column.pszText = b_text;
+    column.iSubItem = 1;
+    SendMessageA(listview, LVM_INSERTCOLUMNA, 1, (LPARAM)&column);
+    column.cx = 50;
+    column.pszText = c_text;
+    column.iSubItem = 2;
+    SendMessageA(listview, LVM_INSERTCOLUMNA, 2, (LPARAM)&column);
+
+    item.mask = LVIF_TEXT;
+    item.iItem = 0;
+    item.pszText = a_text;
+    SendMessageA(listview, LVM_INSERTITEMA, 0, (LPARAM)&item);
+    item.iSubItem = 1;
+    item.iItem = 0;
+    item.pszText = b_text;
+    SendMessageA(listview, LVM_SETITEMTEXTA, 0, (LPARAM)&item);
+    item.iSubItem = 2;
+    item.iItem = 0;
+    item.pszText = c_text;
+    SendMessageA(listview, LVM_SETITEMTEXTA, 0, (LPARAM)&item);
+
+    flush_events();
+    flush_sequences(sequences, NUM_MSG_SEQUENCES);
+
+    InvalidateRect(listview, NULL, FALSE);
+    flush_events();
+    ok_sequence(sequences, LISTVIEW_SEQ_INDEX, listview_invalidate_rect, "column order caching in refresh", TRUE);
+
+    DestroyWindow(listview);
+}
+
 START_TEST(listview)
 {
     ULONG_PTR ctx_cookie;
@@ -7559,6 +7624,7 @@ START_TEST(listview)
     test_custom_sort();
     test_LVM_GETNEXTITEM();
     test_LVM_GETHOTCURSOR();
+    test_column_rect_caching();

if (!load_v6_module(&ctx_cookie, &hCtx))
     {