gdi32/tests: Add a test about non-uniform ramps.
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@ -761,6 +761,12 @@ static void test_gamma(void)
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ret = SetDeviceGammaRamp(hdc, &ramp);
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ok(!ret, "SetDeviceGammaRamp succeeded\n");
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/* try a ramp which is not uniform */
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ramp[0][0] = 0;
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for (i = 1; i < 256; i++) ramp[0][i] = ramp[0][i - 1] + 512;
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ret = SetDeviceGammaRamp(hdc, &ramp);
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todo_wine ok(ret, "SetDeviceGammaRamp failed\n");
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/* cleanup: set old ramp again */
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ret = SetDeviceGammaRamp(hdc, &oldramp);
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ok(ret, "SetDeviceGammaRamp failed\n");
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