https://git.reactos.org/?p=reactos.git;a=commitdiff;h=f565083d589c93792ded2a7b28a40d99020efad2
commit f565083d589c93792ded2a7b28a40d99020efad2 Author: Timo Kreuzer <[email protected]> AuthorDate: Mon Jun 24 21:16:10 2019 +0200 Commit: GitHub <[email protected]> CommitDate: Mon Jun 24 21:16:10 2019 +0200 [GDI32_APITEST] Extend test for SetWorldTransform (#1686) --- .../rostests/apitests/gdi32/SetWorldTransform.c | 64 ++++++++++++++++++++-- 1 file changed, 59 insertions(+), 5 deletions(-) diff --git a/modules/rostests/apitests/gdi32/SetWorldTransform.c b/modules/rostests/apitests/gdi32/SetWorldTransform.c index 0b9c03cbe49..e8512e6dde2 100644 --- a/modules/rostests/apitests/gdi32/SetWorldTransform.c +++ b/modules/rostests/apitests/gdi32/SetWorldTransform.c @@ -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"); + + /* 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"); - //pEntry = GdiHandleTable + GDI_HANDLE_GET_INDEX(hdc); - //pdcattr = pEntry->UserData; + /* 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); }
