public void CanCompareEquality()
{
double xMin = 2600000.1234;
EnvelopeXY envelope1 = new EnvelopeXY(xMin, 1200000.987654, 2601000.12,
1201000.98);
EnvelopeXY envelope2 = new EnvelopeXY(xMin - 0.0001, 1200000.987654, 2601000.12,
1201000.98);
Assert.IsFalse(envelope1.Equals(envelope2));
Assert.IsTrue(envelope1.Equals(envelope2, 0.0001));
}
public void CanUnion()
{
EnvelopeXY envelope1 = new EnvelopeXY(2600000.1234, 1200000.987654, 2601000.12,
1201000.98);
EnvelopeXY envelope2 = new EnvelopeXY(2600050, 1200050, 2601111.12,
1201222.98);
envelope1.EnlargeToInclude(envelope2);
Assert.IsTrue(envelope1.Equals(
new EnvelopeXY(2600000.1234, 1200000.987654,
2601111.12, 1201222.98)));
EnvelopeXY envelope3 = new EnvelopeXY(2500000.1234, 1100000.987654,
2600050, 1200050);
envelope1.EnlargeToInclude(envelope3);
Assert.IsTrue(envelope1.Equals(
new EnvelopeXY(2500000.1234, 1100000.987654,
2601111.12, 1201222.98)));
}