public void TestConversionToCartesian(double theta, int expectedX, int expectedY)
{
var pc = new GridPolarCoordinates(theta, 10);
var c = pc.ToGridCartesian();
Assert.Equal(expectedX, c.X);
Assert.Equal(expectedY, c.Y);
}
public void TestRotation()
{
var pc = new GridPolarCoordinates(Directions.BottomRight, 10);
pc = pc.Rotation(Directions.Degree45);
Assert.Equal(Directions.Bottom, pc.Theta);
pc = pc.Rotation(Directions.Degree90);
Assert.Equal(Directions.Left, pc.Theta);
}
public void TestConversionFromGridCartesian()
{
var pc = GridPolarCoordinates.FromGridCartesian(new GridCoordinatePair(10, 0));
Assert.Equal(Directions.Right, pc.Theta);
Assert.Equal(10, pc.Radius);
pc = GridPolarCoordinates.FromGridCartesian(new GridCoordinatePair(0, 10));
Assert.Equal(Directions.Bottom, pc.Theta);
Assert.Equal(10, pc.Radius);
}
public void TestEquality()
{
var pc1 = new GridPolarCoordinates(Math.PI, 1);
var pc2 = new GridPolarCoordinates(Math.PI * 3, 1);
var pc3 = new GridPolarCoordinates(Math.PI + 2, 1);
Assert.Equal(pc1, pc2);
Assert.True(pc1 == pc2);
Assert.NotEqual(pc1, pc3);
Assert.True(pc1 != pc3);
}
