[3/3] gdi32: Initial Gamma setting tests (try 2)
André Hentschel
nerv at dawncrow.de
Thu Aug 11 13:37:26 CDT 2011
The other patches should be clear even without this tests, but as i already wrote them...
---
dlls/gdi32/tests/dc.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 48 insertions(+), 0 deletions(-)
diff --git a/dlls/gdi32/tests/dc.c b/dlls/gdi32/tests/dc.c
index 5017583..c96bde8 100644
--- a/dlls/gdi32/tests/dc.c
+++ b/dlls/gdi32/tests/dc.c
@@ -599,6 +599,53 @@ static void test_desktop_colorres(void)
ReleaseDC(NULL, hdc);
}
+static void test_gamma(void)
+{
+ BOOL ret;
+ HDC hdc = GetDC(NULL);
+ WORD oldramp[3][256], ramp[3][256];
+ INT i;
+
+ ret = GetDeviceGammaRamp(hdc, &oldramp);
+ if (!ret)
+ {
+ win_skip("GetDeviceGammaRamp failed, skipping tests\n");
+ goto done;
+ }
+
+ /* try to set back old ramp */
+ ret = SetDeviceGammaRamp(hdc, &oldramp);
+ if (!ret)
+ {
+ win_skip("SetDeviceGammaRamp failed, skipping tests\n");
+ goto done;
+ }
+
+ memcpy(ramp, oldramp, sizeof(ramp));
+
+ /* set one color ramp to zeros */
+ memset(ramp[0], 0, sizeof(ramp[0]));
+ ret = SetDeviceGammaRamp(hdc, &ramp);
+ ok(!ret, "SetDeviceGammaRamp succeeded\n");
+
+ /* set one color ramp to a flat straight rising line */
+ for (i = 0; i < 256; i++) ramp[0][i] = i;
+ ret = SetDeviceGammaRamp(hdc, &ramp);
+ todo_wine ok(!ret, "SetDeviceGammaRamp succeeded\n");
+
+ /* set one color ramp to a steep straight rising line */
+ for (i = 0; i < 256; i++) ramp[0][i] = i * 256;
+ ret = SetDeviceGammaRamp(hdc, &ramp);
+ ok(ret, "SetDeviceGammaRamp failed\n");
+
+ /* cleanup: set old ramp again */
+ ret = SetDeviceGammaRamp(hdc, &oldramp);
+ ok(ret, "SetDeviceGammaRamp failed\n");
+
+done:
+ ReleaseDC(NULL, hdc);
+}
+
START_TEST(dc)
{
test_savedc();
@@ -609,4 +656,5 @@ START_TEST(dc)
test_DeleteDC();
test_boundsrect_invalid();
test_desktop_colorres();
+ test_gamma();
}
--
Best Regards, André Hentschel
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