/**
* Test all of the interval operations on the given pair of intervals.
* "expected_relation" is a sequence of "T" and "F" characters corresponding
* to the expected results of contains(), interiorContains(), Intersects(),
* and InteriorIntersects() respectively.
*/
private void testIntervalOps(R1Interval x, R1Interval y, String expectedRelation)
{
JavaAssert.Equal(x.Contains(y), expectedRelation[0] == 'T');
JavaAssert.Equal(x.InteriorContains(y), expectedRelation[1] == 'T');
JavaAssert.Equal(x.Intersects(y), expectedRelation[2] == 'T');
JavaAssert.Equal(x.InteriorIntersects(y), expectedRelation[3] == 'T');
JavaAssert.Equal(x.Contains(y), x.Union(y).Equals(x));
JavaAssert.Equal(x.Intersects(y), !x.Intersection(y).IsEmpty);
}
/**
* Test all of the interval operations on the given pair of intervals.
* "expected_relation" is a sequence of "T" and "F" characters corresponding
* to the expected results of contains(), interiorContains(), Intersects(),
* and InteriorIntersects() respectively.
*/
private void testIntervalOps(R1Interval x, R1Interval y, String expectedRelation)
{
JavaAssert.Equal(x.Contains(y), expectedRelation[0] == 'T');
JavaAssert.Equal(x.InteriorContains(y), expectedRelation[1] == 'T');
JavaAssert.Equal(x.Intersects(y), expectedRelation[2] == 'T');
JavaAssert.Equal(x.InteriorIntersects(y), expectedRelation[3] == 'T');
JavaAssert.Equal(x.Contains(y), x.Union(y).Equals(x));
JavaAssert.Equal(x.Intersects(y), !x.Intersection(y).IsEmpty);
}
private static void TestIntervalOps(R1Interval x, R1Interval y, string expected)
{
// Test all of the interval operations on the given pair of intervals.
// "expected" is a sequence of "T" and "F" characters corresponding to
// the expected results of Contains(), InteriorContains(), Intersects(),
// and InteriorIntersects() respectively.
Assert.Equal(expected[0] == 'T', x.Contains(y));
Assert.Equal(expected[1] == 'T', x.InteriorContains(y));
Assert.Equal(expected[2] == 'T', x.Intersects(y));
Assert.Equal(expected[3] == 'T', x.InteriorIntersects(y));
Assert.Equal(x.Contains(y), x.Union(y) == x);
Assert.Equal(x.Intersects(y), !x.Intersection(y).IsEmpty());
R1Interval z = x;
z = R1Interval.AddInterval(z, y);
Assert.Equal(x.Union(y), z);
}
public void R1IntervalBasicTest()
{
// Constructors and accessors.
var unit = new R1Interval(0, 1);
var negunit = new R1Interval(-1, 0);
JavaAssert.Equal(unit.Lo, 0.0);
JavaAssert.Equal(unit.Hi, 1.0);
JavaAssert.Equal(negunit.Lo, -1.0);
JavaAssert.Equal(negunit.Hi, 0.0);
// is_empty()
var half = new R1Interval(0.5, 0.5);
Assert.True(!unit.IsEmpty);
Assert.True(!half.IsEmpty);
var empty = R1Interval.Empty;
Assert.True(empty.IsEmpty);
// GetCenter(), GetLength()
JavaAssert.Equal(unit.Center, 0.5);
JavaAssert.Equal(half.Center, 0.5);
JavaAssert.Equal(negunit.Length, 1.0);
JavaAssert.Equal(half.Length, 0.0);
Assert.True(empty.Length < 0);
// contains(double), interiorContains(double)
Assert.True(unit.Contains(0.5));
Assert.True(unit.InteriorContains(0.5));
Assert.True(unit.Contains(0));
Assert.True(!unit.InteriorContains(0));
Assert.True(unit.Contains(1));
Assert.True(!unit.InteriorContains(1));
// contains(R1Interval), interiorContains(R1Interval)
// Intersects(R1Interval), InteriorIntersects(R1Interval)
testIntervalOps(empty, empty, "TTFF");
testIntervalOps(empty, unit, "FFFF");
testIntervalOps(unit, half, "TTTT");
testIntervalOps(unit, unit, "TFTT");
testIntervalOps(unit, empty, "TTFF");
testIntervalOps(unit, negunit, "FFTF");
testIntervalOps(unit, new R1Interval(0, 0.5), "TFTT");
testIntervalOps(half, new R1Interval(0, 0.5), "FFTF");
// addPoint()
R1Interval r;
r = empty.AddPoint(5);
Assert.True(r.Lo == 5.0 && r.Hi == 5.0);
r = r.AddPoint(-1);
Assert.True(r.Lo == -1.0 && r.Hi == 5.0);
r = r.AddPoint(0);
Assert.True(r.Lo == -1.0 && r.Hi == 5.0);
// fromPointPair()
JavaAssert.Equal(R1Interval.FromPointPair(4, 4), new R1Interval(4, 4));
JavaAssert.Equal(R1Interval.FromPointPair(-1, -2), new R1Interval(-2, -1));
JavaAssert.Equal(R1Interval.FromPointPair(-5, 3), new R1Interval(-5, 3));
// expanded()
JavaAssert.Equal(empty.Expanded(0.45), empty);
JavaAssert.Equal(unit.Expanded(0.5), new R1Interval(-0.5, 1.5));
// union(), intersection()
Assert.True(new R1Interval(99, 100).Union(empty).Equals(new R1Interval(99, 100)));
Assert.True(empty.Union(new R1Interval(99, 100)).Equals(new R1Interval(99, 100)));
Assert.True(new R1Interval(5, 3).Union(new R1Interval(0, -2)).IsEmpty);
Assert.True(new R1Interval(0, -2).Union(new R1Interval(5, 3)).IsEmpty);
Assert.True(unit.Union(unit).Equals(unit));
Assert.True(unit.Union(negunit).Equals(new R1Interval(-1, 1)));
Assert.True(negunit.Union(unit).Equals(new R1Interval(-1, 1)));
Assert.True(half.Union(unit).Equals(unit));
Assert.True(unit.Intersection(half).Equals(half));
Assert.True(unit.Intersection(negunit).Equals(new R1Interval(0, 0)));
Assert.True(negunit.Intersection(half).IsEmpty);
Assert.True(unit.Intersection(empty).IsEmpty);
Assert.True(empty.Intersection(unit).IsEmpty);
}
public void R1IntervalBasicTest()
{
// Constructors and accessors.
var unit = new R1Interval(0, 1);
var negunit = new R1Interval(-1, 0);
JavaAssert.Equal(unit.Lo, 0.0);
JavaAssert.Equal(unit.Hi, 1.0);
JavaAssert.Equal(negunit.Lo, -1.0);
JavaAssert.Equal(negunit.Hi, 0.0);
// is_empty()
var half = new R1Interval(0.5, 0.5);
Assert.True(!unit.IsEmpty);
Assert.True(!half.IsEmpty);
var empty = R1Interval.Empty;
Assert.True(empty.IsEmpty);
// GetCenter(), GetLength()
JavaAssert.Equal(unit.Center, 0.5);
JavaAssert.Equal(half.Center, 0.5);
JavaAssert.Equal(negunit.Length, 1.0);
JavaAssert.Equal(half.Length, 0.0);
Assert.True(empty.Length < 0);
// contains(double), interiorContains(double)
Assert.True(unit.Contains(0.5));
Assert.True(unit.InteriorContains(0.5));
Assert.True(unit.Contains(0));
Assert.True(!unit.InteriorContains(0));
Assert.True(unit.Contains(1));
Assert.True(!unit.InteriorContains(1));
// contains(R1Interval), interiorContains(R1Interval)
// Intersects(R1Interval), InteriorIntersects(R1Interval)
testIntervalOps(empty, empty, "TTFF");
testIntervalOps(empty, unit, "FFFF");
testIntervalOps(unit, half, "TTTT");
testIntervalOps(unit, unit, "TFTT");
testIntervalOps(unit, empty, "TTFF");
testIntervalOps(unit, negunit, "FFTF");
testIntervalOps(unit, new R1Interval(0, 0.5), "TFTT");
testIntervalOps(half, new R1Interval(0, 0.5), "FFTF");
// addPoint()
R1Interval r;
r = empty.AddPoint(5);
Assert.True(r.Lo == 5.0 && r.Hi == 5.0);
r = r.AddPoint(-1);
Assert.True(r.Lo == -1.0 && r.Hi == 5.0);
r = r.AddPoint(0);
Assert.True(r.Lo == -1.0 && r.Hi == 5.0);
// fromPointPair()
JavaAssert.Equal(R1Interval.FromPointPair(4, 4), new R1Interval(4, 4));
JavaAssert.Equal(R1Interval.FromPointPair(-1, -2), new R1Interval(-2, -1));
JavaAssert.Equal(R1Interval.FromPointPair(-5, 3), new R1Interval(-5, 3));
// expanded()
JavaAssert.Equal(empty.Expanded(0.45), empty);
JavaAssert.Equal(unit.Expanded(0.5), new R1Interval(-0.5, 1.5));
// union(), intersection()
Assert.True(new R1Interval(99, 100).Union(empty).Equals(new R1Interval(99, 100)));
Assert.True(empty.Union(new R1Interval(99, 100)).Equals(new R1Interval(99, 100)));
Assert.True(new R1Interval(5, 3).Union(new R1Interval(0, -2)).IsEmpty);
Assert.True(new R1Interval(0, -2).Union(new R1Interval(5, 3)).IsEmpty);
Assert.True(unit.Union(unit).Equals(unit));
Assert.True(unit.Union(negunit).Equals(new R1Interval(-1, 1)));
Assert.True(negunit.Union(unit).Equals(new R1Interval(-1, 1)));
Assert.True(half.Union(unit).Equals(unit));
Assert.True(unit.Intersection(half).Equals(half));
Assert.True(unit.Intersection(negunit).Equals(new R1Interval(0, 0)));
Assert.True(negunit.Intersection(half).IsEmpty);
Assert.True(unit.Intersection(empty).IsEmpty);
Assert.True(empty.Intersection(unit).IsEmpty);
}
