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user32/tests: Retry when opening the clipboard.

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As the clipboard is a shared resource, we cannot expect that
no other app hasn't openeded it.
So wrap clipboard access with a retry feature in case of failure.

Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
This commit is contained in:
Eric Pouech 2023-01-09 09:31:02 +01:00 • committed by Alexandre Julliard
parent 29ebb5b3ec
commit e439611d10
1 changed files with 32 additions and 3 deletions
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35
dlls/user32/tests/edit.c
View file

@ -32,6 +32,35 @@
#define ID_EDITTEST2 99
#define MAXLEN 200
static BOOL open_clipboard(HWND hwnd)
{
DWORD start = GetTickCount();
while (1)
{
BOOL ret = OpenClipboard(hwnd);
if (ret || GetLastError() != ERROR_ACCESS_DENIED)
return ret;
if (GetTickCount() - start > 100)
{
char classname[256];
DWORD le = GetLastError();
HWND clipwnd = GetOpenClipboardWindow();
/* Provide a hint as to the source of interference:
* - The class name would typically be CLIPBRDWNDCLASS if the
* clipboard was opened by a Windows application using the
* ole32 API.
* - And it would be __wine_clipboard_manager if it was opened in
* response to a native application.
*/
GetClassNameA(clipwnd, classname, ARRAY_SIZE(classname));
trace("%p (%s) opened the clipboard\n", clipwnd, classname);
SetLastError(le);
return ret;
}
Sleep(15);
}
}
struct edit_notify {
int en_change, en_maxtext, en_update;
};
@ -2192,7 +2221,7 @@ static void test_espassword(void)
ok(r == strlen(password), "Expected: %s, got len %ld\n", password, r);
ok(strcmp(buffer, password) == 0, "expected %s, got %s\n", password, buffer);
r = OpenClipboard(hwEdit);
r = open_clipboard(hwEdit);
ok(r == TRUE, "expected %d, got %ld le=%lu\n", TRUE, r, GetLastError());
r = EmptyClipboard();
ok(r == TRUE, "expected %d, got %ld\n", TRUE, r);
@ -3195,7 +3224,7 @@ static void test_paste(void)
strcpy(buffer, str);
GlobalUnlock(hmem);
r = OpenClipboard(hEdit);
r = open_clipboard(hEdit);
ok(r == TRUE, "expected %d, got %d le=%lu\n", TRUE, r, GetLastError());
r = EmptyClipboard();
ok(r == TRUE, "expected %d, got %d\n", TRUE, r);
@ -3218,7 +3247,7 @@ static void test_paste(void)
strcpy(buffer, str2);
GlobalUnlock(hmem);
r = OpenClipboard(hEdit);
r = open_clipboard(hEdit);
ok(r == TRUE, "expected %d, got %d le=%lu\n", TRUE, r, GetLastError());
r = EmptyClipboard();
ok(r == TRUE, "expected %d, got %d\n", TRUE, r);