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[GDI32_APITEST] Extend test for SetWorldTransform (#1686)

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Timo Kreuzer 2019-06-24 21:16:10 +02:00 committed by GitHub
parent bf06c94e15
commit f565083d58
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1 changed files with 59 additions and 5 deletions
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64
modules/rostests/apitests/gdi32/SetWorldTransform.c
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@ -29,15 +29,69 @@ void Test_SetWorldTransform()
xform.eDx = 0;
xform.eDy = 0;
result = SetWorldTransform(hdc, &xform);
ok(result == 1, "\n");
ok(result == 1, "SetWorldTransform should succeed\n");
/* Something invalid */
/* Set eM11 to 0 */
xform.eM11 = 0;
result = SetWorldTransform(hdc, &xform);
ok(result == 0, "SetWorldTransform should fail\n");
/* Set eM22 to 0 */
xform.eM11 = 1;
xform.eM22 = 0;
result = SetWorldTransform(hdc, &xform);
ok(result == 0, "\n");
ok(result == 0, "SetWorldTransform should fail\n");
//pEntry = GdiHandleTable + GDI_HANDLE_GET_INDEX(hdc);
//pdcattr = pEntry->UserData;
/* Set values that result in the determinant being 0 */
xform.eM11 = 2;
xform.eM12 = 3;
xform.eM21 = 4;
xform.eM22 = 6;
result = SetWorldTransform(hdc, &xform);
ok(result == 0, "SetWorldTransform should fail\n");
/* Small modification to make the determinant != 0 */
xform.eM12 = (FLOAT)3.0001;
result = SetWorldTransform(hdc, &xform);
ok(result == 1, "SetWorldTransform should succeed\n");
/* Set values that result in the determinant being 0 due to rounding */
xform.eM11 = 1;
xform.eM12 = (FLOAT)0.9999999;
xform.eM21 = (FLOAT)1.0000001;
xform.eM22 = 1;
ok(xform.eM12 != (FLOAT)1.0, "xform.eM12 shouldn't be 1.0\n");
ok(xform.eM21 != (FLOAT)1.0, "xform.eM21 shouldn't be 1.0\n");
ok(xform.eM12 * xform.eM21 != (FLOAT)1.0, "xform.eM12 * xform.eM21 shouldn't be 1.0\n");
result = SetWorldTransform(hdc, &xform);
ok(result == 0, "SetWorldTransform should fail\n");
/* Test world transform (should be unchanged by previous failure) */
result = GetWorldTransform(hdc, &xform);
ok(result == 1, "GetWorldTransform should succeed\n");
ok(xform.eM11 == 2, "xform.eM11 should be 2\n");
ok(xform.eM12 == (FLOAT)3.0001, "xform.eM11 should be 3.0001\n");
ok(xform.eM21 == 4, "xform.eM11 should be 4\n");
ok(xform.eM22 == 6, "xform.eM11 should be 6\n");
/* Set smallest possible values */
xform.eM11 = (FLOAT)1.4e-45;
xform.eM12 = 0;
xform.eM21 = 0;
xform.eM22 = (FLOAT)1.4e-45;
ok(xform.eM11 != (FLOAT)0.0, "xform.eM11 shouldn't be 0.0\n");
ok(xform.eM22 != (FLOAT)0.0, "xform.eM22 shouldn't be 0.0\n");
ok(xform.eM11 * xform.eM22 != (FLOAT)0.0, "xform.eM12 * xform.eM21 shouldn't be 0.0\n");
result = SetWorldTransform(hdc, &xform);
ok(result == 1, "SetWorldTransform should succeed\n");
/* Test world transform */
result = GetWorldTransform(hdc, &xform);
ok(result == 1, "GetWorldTransform should succeed\n");
ok(xform.eM11 > 0, "xform.eM11 should not be 0\n");
ok(xform.eM12 == 0, "xform.eM11 should be 0\n");
ok(xform.eM21 == 0, "xform.eM11 should be 0\n");
ok(xform.eM22 > 0, "xform.eM11 should not be 0\n");
DeleteDC(hdc);
}