user32/tests: Preserve the initial GetLastError() value for test_ClipboardOwner().

One of the tests expects GetLastError() to still return 0xdeadbeef after has_no_open_wnd(), which would not be the case if another process did open the clipboard. Signed-off-by: Francois Gouget <fgouget@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

user32/tests: Preserve the initial GetLastError() value for test_ClipboardOwner().
91a791e5 · Francois Gouget · Alexandre Julliard · cd0e0bbc · 91a791e5
Commit 91a791e5 authored Jun 10, 2021 by Francois Gouget Committed by Alexandre Julliard Jun 11, 2021
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clipboard.c dlls/user32/tests/clipboard.c +3 -1

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--- a/dlls/user32/tests/clipboard.c
+++ b/dlls/user32/tests/clipboard.c
@@ -65,6 +65,7 @@ static BOOL open_clipboard(HWND hwnd)
 static BOOL has_no_open_wnd(void)
 {
    DWORD start = GetTickCount();
+    DWORD le = GetLastError();
    while (1)
    {
        HWND clipwnd = GetOpenClipboardWindow();
@@ -72,7 +73,7 @@ static BOOL has_no_open_wnd(void)
        if (GetTickCount() - start > 100)
        {
            char classname[256];
-            DWORD le = GetLastError();
+            le = GetLastError();
            /* See open_clipboard() */
            GetClassNameA(clipwnd, classname, ARRAY_SIZE(classname));
            trace("%p (%s) opened the clipboard\n", clipwnd, classname);
@@ -80,6 +81,7 @@ static BOOL has_no_open_wnd(void)
            return FALSE;
        }
        Sleep(15);
+        SetLastError(le);
    }
 }