From 948dd848fba5aff47ddc0a1aca3140296161642f Mon Sep 17 00:00:00 2001
From: Nikolay Sivov <nsivov@codeweavers.com>
Date: Tue, 14 Feb 2017 07:47:38 +0300
Subject: [PATCH] comctl32/tests: Basic test for PGN_CALCSIZE.

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
---
 dlls/comctl32/pager.c       |  2 ++
 dlls/comctl32/tests/pager.c | 22 ++++++++++++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/dlls/comctl32/pager.c b/dlls/comctl32/pager.c
index ced32be1148..171d70e531c 100644
--- a/dlls/comctl32/pager.c
+++ b/dlls/comctl32/pager.c
@@ -1036,6 +1036,8 @@ PAGER_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 {
     PAGER_INFO *infoPtr = (PAGER_INFO *)GetWindowLongPtrW(hwnd, 0);
 
+    TRACE("(%p, %#x, %#lx, %#lx)\n", hwnd, uMsg, wParam, lParam);
+
     if (!infoPtr && (uMsg != WM_CREATE))
 	return DefWindowProcW (hwnd, uMsg, wParam, lParam);
 
diff --git a/dlls/comctl32/tests/pager.c b/dlls/comctl32/tests/pager.c
index d3521403db3..48753ff7742 100644
--- a/dlls/comctl32/tests/pager.c
+++ b/dlls/comctl32/tests/pager.c
@@ -83,6 +83,28 @@ static LRESULT WINAPI parent_wnd_proc(HWND hwnd, UINT message, WPARAM wParam, LP
         add_message(sequences, PAGER_SEQ_INDEX, &msg);
     }
 
+    if (message == WM_NOTIFY)
+    {
+        NMHDR *nmhdr = (NMHDR *)lParam;
+
+        switch (nmhdr->code)
+        {
+            case PGN_CALCSIZE:
+            {
+                NMPGCALCSIZE *nmpgcs = (NMPGCALCSIZE *)lParam;
+                DWORD style = GetWindowLongA(nmpgcs->hdr.hwndFrom, GWL_STYLE);
+
+                if (style & PGS_HORZ)
+                    ok(nmpgcs->dwFlag == PGF_CALCWIDTH, "Unexpected flags %#x.\n", nmpgcs->dwFlag);
+                else
+                    ok(nmpgcs->dwFlag == PGF_CALCHEIGHT, "Unexpected flags %#x.\n", nmpgcs->dwFlag);
+                break;
+            }
+            default:
+                ;
+        }
+    }
+
     defwndproc_counter++;
     ret = DefWindowProcA(hwnd, message, wParam, lParam);
     defwndproc_counter--;