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user32/tests: Add tests for LockWindowUpdate. 

Signed-off-by: Lauri Kenttä <lauri.kentta@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Lauri Kenttä 2016-12-08 20:49:18 +02:00 committed by Alexandre Julliard
parent c0f77b4a4a
commit 26be29138f
1 changed files with 71 additions and 0 deletions
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71
dlls/user32/tests/win.c
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@ -9325,6 +9325,76 @@ todo_wine
ok(ret, "got %d\n", ret);
}
static void test_LockWindowUpdate(HWND parent)
{
typedef struct
{
HWND hwnd_lock, hwnd_draw;
BOOL allow_drawing;
BOOL expect_valid;
} TEST;
int i;
HWND child = CreateWindowA("static", 0, WS_CHILD | WS_VISIBLE, 0, 0, 20, 20, parent, 0, 0, 0);
TEST tests[] = {
{child, child, 0, 0},
{child, child, 1, 1},
{child, parent, 0, 1},
{child, parent, 1, 1},
{parent, child, 0, 0},
{parent, child, 1, 1},
{parent, parent, 0, 0},
{parent, parent, 1, 1}
};
if (!child)
{
skip("CreateWindow failed, skipping LockWindowUpdate tests\n");
return;
}
ShowWindow(parent, SW_SHOW);
UpdateWindow(parent);
flush_events(TRUE);
for (i = 0; i < sizeof(tests) / sizeof(tests[0]); ++i)
{
HDC hdc;
POINT p = {10, 10};
BOOL ret;
const DWORD dc_flags = DCX_USESTYLE | (tests[i].allow_drawing ? DCX_LOCKWINDOWUPDATE : 0);
const COLORREF c1 = 0x111100, c2 = 0x222200;
trace("hwnd_lock = %s, hwnd_draw = %s, allow_drawing = %d\n",
tests[i].hwnd_lock == parent ? "parent" : "child",
tests[i].hwnd_draw == parent ? "parent" : "child",
tests[i].allow_drawing);
hdc = GetDCEx(tests[i].hwnd_draw, 0, dc_flags);
#define TEST_PIXEL(c_valid, c_invalid) \
do { \
COLORREF c = GetPixel(hdc, p.x, p.y); \
COLORREF e = tests[i].expect_valid ? (c_valid) : (c_invalid); \
todo_wine_if(!tests[i].expect_valid) \
ok(c == e, "GetPixel: got %08x, expected %08x\n", c, e); \
} while (0)
SetPixel(hdc, p.x, p.y, c1);
ret = LockWindowUpdate(tests[i].hwnd_lock);
ok(ret, "LockWindowUpdate failed\n");
TEST_PIXEL(c1, CLR_INVALID);
SetPixel(hdc, p.x, p.y, c2);
TEST_PIXEL(c2, CLR_INVALID);
LockWindowUpdate(0);
TEST_PIXEL(c2, c1);
ReleaseDC(tests[i].hwnd_draw, hdc);
#undef TEST_PIXEL
}
DestroyWindow(child);
}
START_TEST(win)
{
char **argv;
@ -9470,6 +9540,7 @@ START_TEST(win)
test_activateapp(hwndMain);
test_winproc_handles(argv[0]);
test_deferwindowpos();
test_LockWindowUpdate(hwndMain);
/* add the tests above this line */
if (hhook) UnhookWindowsHookEx(hhook);