public void TestStepDown()
{
var glass = new Glass();
Assert.IsTrue(glass.AddFigure(new FigureI()));
glass.StepDown();
var arr = new[]{
new[]{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
new[]{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
new[]{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
new[]{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
new[]{0,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
new[]{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
new[]{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
new[]{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
new[]{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
new[]{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}
};
Assert.IsTrue(glass.compareFields(arr));
for(int i = 0; i < 20; ++i)
glass.StepDown();
arr = new[]{
new[]{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
new[]{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
new[]{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
new[]{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
new[]{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1},
new[]{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
new[]{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
new[]{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
new[]{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
new[]{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}
};
Assert.IsTrue(glass.compareFields(arr));
Assert.IsFalse ( glass.IsRunning() );
Assert.IsTrue(glass.AddFigure(new FigureS()));
Assert.IsTrue(glass.IsRunning());
for(int i = 0; i < 20; ++i)
glass.StepDown();
arr = new[]{
new[]{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
new[]{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
new[]{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
new[]{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
new[]{0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1},
new[]{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0},
new[]{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
new[]{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
new[]{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
new[]{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}
};
Assert.IsTrue(glass.compareFields(arr));
Assert.IsFalse(glass.IsRunning());
}