[PATCH 4/4] user32/tests: Add a test for combo resizing from smaller item height.

[Nikolay Sivov]

From: John Alway <thaleslv at yahoo.com>

Signed-off-by: Nikolay Sivov <nsivov at codeweavers.com>
---
 dlls/user32/tests/combo.c | 37 +++++++++++++++++++++++++++----------
 1 file changed, 27 insertions(+), 10 deletions(-)

diff --git a/dlls/user32/tests/combo.c b/dlls/user32/tests/combo.c
index 6b51ff9719..d203f37c2b 100644
--- a/dlls/user32/tests/combo.c
+++ b/dlls/user32/tests/combo.c
@@ -43,7 +43,7 @@ static HWND build_combo(DWORD style)
     return CreateWindowA("ComboBox", "Combo", WS_VISIBLE|WS_CHILD|style, 5, 5, 100, 100, hMainWnd, (HMENU)COMBO_ID, NULL, 0);
 }
 
-static int font_height(HFONT hFont)
+static int get_font_height(HFONT hFont)
 {
     TEXTMETRICA tm;
     HFONT hFontOld;
@@ -74,12 +74,13 @@ static BOOL is_font_installed(const char *name)
 static void test_setitemheight(DWORD style)
 {
     HWND hCombo = build_combo(style);
+    int i, font_height, height;
+    HFONT hFont;
     RECT r;
-    int i;
 
     trace("Style %x\n", style);
     GetClientRect(hCombo, &r);
-    expect_rect(r, 0, 0, 100, font_height(GetStockObject(SYSTEM_FONT)) + 8);
+    expect_rect(r, 0, 0, 100, get_font_height(GetStockObject(SYSTEM_FONT)) + 8);
     SendMessageA(hCombo, CB_GETDROPPEDCONTROLRECT, 0, (LPARAM)&r);
     MapWindowPoints(HWND_DESKTOP, hMainWnd, (LPPOINT)&r, 2);
     todo_wine expect_rect(r, 5, 5, 105, 105);
@@ -92,6 +93,22 @@ static void test_setitemheight(DWORD style)
     }
 
     DestroyWindow(hCombo);
+
+    /* Set item height below text height, force resize. */
+    hCombo = build_combo(style);
+
+    hFont = (HFONT)SendMessageA(hCombo, WM_GETFONT, 0, 0);
+    font_height = get_font_height(hFont);
+    SendMessageA(hCombo, CB_SETITEMHEIGHT, -1, font_height / 2);
+    height = SendMessageA(hCombo, CB_GETITEMHEIGHT, -1, 0);
+todo_wine
+    ok(height == font_height / 2, "Unexpected item height %d, expected %d.\n", height, font_height / 2);
+
+    SetWindowPos(hCombo, NULL, 10, 10, 150, 5 * font_height, SWP_SHOWWINDOW);
+    height = SendMessageA(hCombo, CB_GETITEMHEIGHT, -1, 0);
+    ok(height > font_height, "Unexpected item height %d, font height %d.\n", height, font_height);
+
+    DestroyWindow(hCombo);
 }
 
 static void test_setfont(DWORD style)
@@ -114,7 +131,7 @@ static void test_setfont(DWORD style)
     hFont2 = CreateFontA(8, 0, 0, 0, FW_DONTCARE, FALSE, FALSE, FALSE, SYMBOL_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH|FF_DONTCARE, "Marlett");
 
     GetClientRect(hCombo, &r);
-    expect_rect(r, 0, 0, 100, font_height(GetStockObject(SYSTEM_FONT)) + 8);
+    expect_rect(r, 0, 0, 100, get_font_height(GetStockObject(SYSTEM_FONT)) + 8);
     SendMessageA(hCombo, CB_GETDROPPEDCONTROLRECT, 0, (LPARAM)&r);
     MapWindowPoints(HWND_DESKTOP, hMainWnd, (LPPOINT)&r, 2);
     todo_wine expect_rect(r, 5, 5, 105, 105);
@@ -123,39 +140,39 @@ static void test_setfont(DWORD style)
        of the window when it was created.  The size of the calculated
        dropped area changes only by how much the selection area
        changes, not by how much the list area changes.  */
-    if (font_height(hFont1) == 10 && font_height(hFont2) == 8)
+    if (get_font_height(hFont1) == 10 && get_font_height(hFont2) == 8)
     {
         SendMessageA(hCombo, WM_SETFONT, (WPARAM)hFont1, FALSE);
         GetClientRect(hCombo, &r);
         expect_rect(r, 0, 0, 100, 18);
         SendMessageA(hCombo, CB_GETDROPPEDCONTROLRECT, 0, (LPARAM)&r);
         MapWindowPoints(HWND_DESKTOP, hMainWnd, (LPPOINT)&r, 2);
-        todo_wine expect_rect(r, 5, 5, 105, 105 - (font_height(GetStockObject(SYSTEM_FONT)) - font_height(hFont1)));
+        todo_wine expect_rect(r, 5, 5, 105, 105 - (get_font_height(GetStockObject(SYSTEM_FONT)) - get_font_height(hFont1)));
 
         SendMessageA(hCombo, WM_SETFONT, (WPARAM)hFont2, FALSE);
         GetClientRect(hCombo, &r);
         expect_rect(r, 0, 0, 100, 16);
         SendMessageA(hCombo, CB_GETDROPPEDCONTROLRECT, 0, (LPARAM)&r);
         MapWindowPoints(HWND_DESKTOP, hMainWnd, (LPPOINT)&r, 2);
-        todo_wine expect_rect(r, 5, 5, 105, 105 - (font_height(GetStockObject(SYSTEM_FONT)) - font_height(hFont2)));
+        todo_wine expect_rect(r, 5, 5, 105, 105 - (get_font_height(GetStockObject(SYSTEM_FONT)) - get_font_height(hFont2)));
 
         SendMessageA(hCombo, WM_SETFONT, (WPARAM)hFont1, FALSE);
         GetClientRect(hCombo, &r);
         expect_rect(r, 0, 0, 100, 18);
         SendMessageA(hCombo, CB_GETDROPPEDCONTROLRECT, 0, (LPARAM)&r);
         MapWindowPoints(HWND_DESKTOP, hMainWnd, (LPPOINT)&r, 2);
-        todo_wine expect_rect(r, 5, 5, 105, 105 - (font_height(GetStockObject(SYSTEM_FONT)) - font_height(hFont1)));
+        todo_wine expect_rect(r, 5, 5, 105, 105 - (get_font_height(GetStockObject(SYSTEM_FONT)) - get_font_height(hFont1)));
     }
     else
     {
         ok(0, "Expected Marlett font heights 10/8, got %d/%d\n",
-           font_height(hFont1), font_height(hFont2));
+           get_font_height(hFont1), get_font_height(hFont2));
     }
 
     for (i = 1; i < 30; i++)
     {
         HFONT hFont = CreateFontA(i, 0, 0, 0, FW_DONTCARE, FALSE, FALSE, FALSE, SYMBOL_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH|FF_DONTCARE, "Marlett");
-        int height = font_height(hFont);
+        int height = get_font_height(hFont);
 
         SendMessageA(hCombo, WM_SETFONT, (WPARAM)hFont, FALSE);
         GetClientRect(hCombo, &r);
-- 
2.24.0