class OpacityShapeTest_TranslucentOverTranslucent_Test

We draw the following scene:

+--------+---------+---------+---------+

| | |

| | |

| | |

+ Cyan(25%) | WHITE |

| (0, 1, 1, 0.25) | |

| | |

| | |

+ ====================|

| ǁ | |

| ǁ Blend | |

| ǁ | |

+------------------ǁ---------+ |

| WHITE ǁ Yellow 50% |

| (1, 1, 1, 1) ǁ (1, 1, 0, 1) |

| ǁ |

+--------+---------+---------+---------+

The Yellow rectangle is over Cyan rectangle, which

is over the white background.

8/16 of the area should be (0.75, 1, 1, 1);

4/16 of the area should be (1, 1, 1, 1);

3/16 of the area should be (1, 1, 0.5, 1);

1/16 of the area should be (0.825, 1, 0.5, 1).