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gdi32/tests: Add basic tests for the handling of dwCount parameter in ExtCreateRegion.

This commit is contained in:
Amine Khaldi 2014-11-02 23:40:42 +01:00 committed by Alexandre Julliard
parent b5a405af2f
commit b9f18b3431
1 changed files with 35 additions and 1 deletions
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36
dlls/gdi32/tests/clipping.c
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@ -184,11 +184,12 @@ static void test_ExtCreateRegion(void)
{
static const RECT empty_rect;
static const RECT rc = { 111, 222, 333, 444 };
static const RECT arc[2] = { {0, 0, 10, 10}, {10, 10, 20, 20}};
static const RECT rc_xformed = { 76, 151, 187, 262 };
union
{
RGNDATA data;
char buf[sizeof(RGNDATAHEADER) + sizeof(RECT)];
char buf[sizeof(RGNDATAHEADER) + 2 * sizeof(RECT)];
} rgn;
HRGN hrgn;
XFORM xform;
@ -224,6 +225,20 @@ static void test_ExtCreateRegion(void)
rgn.data.rdh.iType = RDH_RECTANGLES;
rgn.data.rdh.dwSize = sizeof(rgn.data.rdh);
/* sizeof(RGNDATAHEADER) is large enough */
SetLastError(0xdeadbeef);
hrgn = ExtCreateRegion(NULL, sizeof(RGNDATAHEADER), &rgn.data);
ok(hrgn != 0, "ExtCreateRegion error %u\n", GetLastError());
verify_region(hrgn, &empty_rect);
DeleteObject(hrgn);
/* Cannot be smaller than sizeof(RGNDATAHEADER) */
SetLastError(0xdeadbeef);
hrgn = ExtCreateRegion(NULL, sizeof(RGNDATAHEADER) - 1, &rgn.data);
todo_wine
ok(!hrgn, "ExtCreateRegion should fail\n");
ok(GetLastError() == 0xdeadbeef, "0xdeadbeef, got %u\n", GetLastError());
SetLastError(0xdeadbeef);
hrgn = ExtCreateRegion(NULL, sizeof(rgn), &rgn.data);
ok(hrgn != 0, "ExtCreateRegion error %u\n", GetLastError());
@ -234,6 +249,13 @@ static void test_ExtCreateRegion(void)
SetRectEmpty(&rgn.data.rdh.rcBound);
memcpy(rgn.data.Buffer, &rc, sizeof(rc));
/* With a single rect this seems to work... */
SetLastError(0xdeadbeef);
hrgn = ExtCreateRegion(NULL, sizeof(RGNDATAHEADER) + sizeof(RECT) - 1, &rgn.data);
ok(hrgn != 0, "ExtCreateRegion error %u\n", GetLastError());
verify_region(hrgn, &rc);
DeleteObject(hrgn);
SetLastError(0xdeadbeef);
hrgn = ExtCreateRegion(NULL, sizeof(rgn), &rgn.data);
ok(hrgn != 0, "ExtCreateRegion error %u\n", GetLastError());
@ -267,6 +289,18 @@ static void test_ExtCreateRegion(void)
ok(hrgn != 0, "ExtCreateRegion error %u/%x\n", GetLastError(), GetLastError());
verify_region(hrgn, &rc_xformed);
DeleteObject(hrgn);
rgn.data.rdh.nCount = 2;
SetRectEmpty(&rgn.data.rdh.rcBound);
memcpy(rgn.data.Buffer, arc, sizeof(arc));
/* Buffer cannot be smaller than sizeof(RGNDATAHEADER) + 2 * sizeof(RECT) */
SetLastError(0xdeadbeef);
hrgn = ExtCreateRegion(NULL, sizeof(RGNDATAHEADER) + 2 * sizeof(RECT) - 1, &rgn.data);
todo_wine
ok(!hrgn, "ExtCreateRegion should fail\n");
ok(GetLastError() == 0xdeadbeef, "0xdeadbeef, got %u\n", GetLastError());
}
static void test_GetClipRgn(void)