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tests: Don't check pixels outside actor allocation
The actor-shader-effect test actors are 50px wide, but we check the 51st pixel. This went along undetected until "clutter: Avoid rounding compensation when invalidating 2D actors" because the paint volumes were made slightly bigger and the shaders paint all over them (I guess nobody noticed those actors being actually ~52px wide). Update the test to check the middle of the opposite edge, so we keep neatly rounded numbers.
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@ -230,13 +230,13 @@ paint_cb (ClutterStage *stage,
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gboolean *was_painted = data;
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/* old shader effect */
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g_assert_cmpint (get_pixel (50, 50), ==, 0xff0000);
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g_assert_cmpint (get_pixel (0, 25), ==, 0xff0000);
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/* new shader effect */
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g_assert_cmpint (get_pixel (150, 50), ==, 0x00ffff);
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g_assert_cmpint (get_pixel (100, 25), ==, 0x00ffff);
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/* another new shader effect */
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g_assert_cmpint (get_pixel (250, 50), ==, 0xff00ff);
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g_assert_cmpint (get_pixel (200, 25), ==, 0xff00ff);
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/* new shader effect */
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g_assert_cmpint (get_pixel (350, 50), ==, 0x00ffff);
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g_assert_cmpint (get_pixel (300, 25), ==, 0x00ffff);
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*was_painted = TRUE;
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}
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