[PATCH v16 1/1] comctl32/tests: Add rebar chevron visibility test.

[Ilia Docin]

From: Ilia Docin

---
 dlls/comctl32/tests/rebar.c | 50 +++++++++++++++++++++++++++++++++++--
 1 file changed, 48 insertions(+), 2 deletions(-)

diff --git a/dlls/comctl32/tests/rebar.c b/dlls/comctl32/tests/rebar.c
index 7cafa4ba52b..d2c1e68d354 100644
--- a/dlls/comctl32/tests/rebar.c
+++ b/dlls/comctl32/tests/rebar.c
@@ -121,6 +121,7 @@ static HWND build_toolbar(int nr, HWND hParent)
 }

static int g_parent_measureitem;
+static RECT g_chevron_rect;

static LRESULT CALLBACK parent_wndproc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
 {
@@ -129,8 +130,17 @@ static LRESULT CALLBACK parent_wndproc(HWND hWnd, UINT msg, WPARAM wParam, LPARA
         case WM_NOTIFY:
             {
                 NMHDR *lpnm = (NMHDR *)lParam;
-                if (lpnm->code == RBN_HEIGHTCHANGE)
-                    GetClientRect(lpnm->hwndFrom, &height_change_notify_rect);
+                switch (lpnm->code)
+                {
+                    case RBN_HEIGHTCHANGE:
+                        GetClientRect(lpnm->hwndFrom, &height_change_notify_rect);
+                        break;
+                    case RBN_CHEVRONPUSHED:
+                        g_chevron_rect = ((NMREBARCHEVRON *)lParam)->rc;
+                        break;
+                    default:
+                        break;
+                }
             }
             break;
         case WM_MEASUREITEM:
@@ -1178,6 +1188,41 @@ static void init_functions(void)
 #undef X
 }

+static void test_chevron(void)
+{
+    HWND hRebar;
+    REBARBANDINFOA rbi;
+    /* the gap between the child and the next band */
+    const int REBAR_POST_CHILD = 4;
+
+    hRebar = create_rebar_control(0);
+    rbi.cbSize = REBARBANDINFOA_V6_SIZE;
+    rbi.fMask = RBBIM_CHILD | RBBIM_CHILDSIZE | RBBIM_IDEALSIZE | RBBIM_SIZE | RBBIM_STYLE;
+    rbi.cxIdeal = 128;
+    rbi.cx = rbi.cxIdeal + REBAR_POST_CHILD - 1;
+    rbi.cxMinChild = 100;
+    rbi.cyMinChild = rbi.cxMinChild;
+    rbi.hwndChild = build_toolbar(1, hRebar);
+    rbi.fStyle = RBBS_USECHEVRON | RBBS_NOGRIPPER;
+    SendMessageA(hRebar, RB_INSERTBANDA, 0, (LPARAM)&rbi);
+    SendMessageA(hRebar, RB_INSERTBANDA, 1, (LPARAM)&rbi);
+
+    SetRectEmpty(&g_chevron_rect);
+    SendMessageA(hRebar, RB_PUSHCHEVRON, 0, 0);
+    ok(!IsRectEmpty(&g_chevron_rect), "Unexpected empty chevron rect\n");
+
+    /* increase band width to make child rect width more then ideal value to hide chevron */
+    rbi.fMask = RBBIM_SIZE;
+    rbi.cx = rbi.cx + 1;
+    SendMessageA(hRebar, RB_SETBANDINFOA, 0, (LPARAM)&rbi);
+
+    SetRect(&g_chevron_rect, 1, 1, 2, 2);
+    SendMessageA(hRebar, RB_PUSHCHEVRON, 0, 0);
+    ok(IsRectEmpty(&g_chevron_rect), "Unexpected non-empty chevron rect\n");
+
+    DestroyWindow(hRebar);
+}
+
 START_TEST(rebar)
 {
     MSG msg;
@@ -1201,6 +1246,7 @@ START_TEST(rebar)
     test_layout();
     test_resize();
     test_style();
+    test_chevron();

out:
     PostQuitMessage(0);