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richedit: Added test for auto scroll behaviour with redraw disabled.

oldstable
Dylan Smith 2008-10-17 14:07:16 -04:00 committed by Alexandre Julliard
parent 7f327237bf
commit 2271226bfd
1 changed files with 32 additions and 0 deletions
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32
dlls/riched20/tests/editor.c
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@ -5537,6 +5537,37 @@ static void test_word_wrap(void)
DestroyWindow(hwnd);
}
static void test_auto_yscroll(void)
{
HWND hwnd = new_richedit(NULL);
int lines, ret, redraw;
POINT pt;
for (redraw = 0; redraw <= 1; redraw++) {
trace("testing with WM_SETREDRAW=%d\n", redraw);
SendMessage(hwnd, WM_SETREDRAW, redraw, 0);
SendMessage(hwnd, EM_REPLACESEL, 0, (LPARAM)"1\n2\n3\n4\n5\n6\n7\n8");
lines = SendMessage(hwnd, EM_GETLINECOUNT, 0, 0);
ok(lines == 8, "%d lines instead of 8\n", lines);
ret = SendMessage(hwnd, EM_GETSCROLLPOS, 0, (LPARAM)&pt);
ok(ret == 1, "EM_GETSCROLLPOS returned %d instead of 1\n", ret);
if (!redraw)
todo_wine ok(pt.y != 0, "Didn't scroll down after replacing text.\n");
else
ok(pt.y != 0, "Didn't scroll down after replacing text.\n");
SendMessage(hwnd, WM_SETTEXT, 0, (LPARAM)NULL);
lines = SendMessage(hwnd, EM_GETLINECOUNT, 0, 0);
ok(lines == 1, "%d lines instead of 1\n", lines);
ret = SendMessage(hwnd, EM_GETSCROLLPOS, 0, (LPARAM)&pt);
ok(ret == 1, "EM_GETSCROLLPOS returned %d instead of 1\n", ret);
ok(pt.y == 0, "y scroll position is %d after clearing text.\n", pt.y);
}
SendMessage(hwnd, WM_SETREDRAW, TRUE, 0);
DestroyWindow(hwnd);
}
START_TEST( editor )
{
/* Must explicitly LoadLibrary(). The test has no references to functions in
@ -5585,6 +5616,7 @@ START_TEST( editor )
test_EM_CHARFROMPOS();
test_SETPARAFORMAT();
test_word_wrap();
test_auto_yscroll();
/* Set the environment variable WINETEST_RICHED20 to keep windows
* responsive and open for 30 seconds. This is useful for debugging.