public void PlaneEqualsTest()
{
PlaneD a = new PlaneD(1.0f, 2.0f, 3.0f, 4.0f);
PlaneD b = new PlaneD(1.0f, 2.0f, 3.0f, 4.0f);
// case 1: compare between same values
object?obj = b;
bool expected = true;
bool actual = a.Equals(obj);
Assert.AreEqual(expected, actual);
// case 2: compare between different values
b.Normal = new Vector3D(10.0f, b.Normal.Y, b.Normal.Z);
obj = b;
expected = false;
actual = a.Equals(obj);
Assert.AreEqual(expected, actual);
// case 3: compare between different types.
obj = new QuaternionD();
expected = false;
actual = a.Equals(obj);
Assert.AreEqual(expected, actual);
// case 3: compare against null.
obj = null;
expected = false;
actual = a.Equals(obj);
Assert.AreEqual(expected, actual);
}
public void PlaneEqualsNanTest()
{
PlaneD a = new PlaneD(double.NaN, 0, 0, 0);
PlaneD b = new PlaneD(0, double.NaN, 0, 0);
PlaneD c = new PlaneD(0, 0, double.NaN, 0);
PlaneD d = new PlaneD(0, 0, 0, double.NaN);
Assert.False(a == new PlaneD(0, 0, 0, 0));
Assert.False(b == new PlaneD(0, 0, 0, 0));
Assert.False(c == new PlaneD(0, 0, 0, 0));
Assert.False(d == new PlaneD(0, 0, 0, 0));
Assert.True(a != new PlaneD(0, 0, 0, 0));
Assert.True(b != new PlaneD(0, 0, 0, 0));
Assert.True(c != new PlaneD(0, 0, 0, 0));
Assert.True(d != new PlaneD(0, 0, 0, 0));
Assert.False(a.Equals(new PlaneD(0, 0, 0, 0)));
Assert.False(b.Equals(new PlaneD(0, 0, 0, 0)));
Assert.False(c.Equals(new PlaneD(0, 0, 0, 0)));
Assert.False(d.Equals(new PlaneD(0, 0, 0, 0)));
// Counterintuitive result - IEEE rules for NaN comparison are weird!
Assert.False(a.Equals(a));
Assert.False(b.Equals(b));
Assert.False(c.Equals(c));
Assert.False(d.Equals(d));
}
public void PlaneEqualsTest1()
{
PlaneD a = new PlaneD(1.0f, 2.0f, 3.0f, 4.0f);
PlaneD b = new PlaneD(1.0f, 2.0f, 3.0f, 4.0f);
// case 1: compare between same values
bool expected = true;
bool actual = a.Equals(b);
Assert.AreEqual(expected, actual);
// case 2: compare between different values
b.Normal = new Vector3D(10.0f, b.Normal.Y, b.Normal.Z);
expected = false;
actual = a.Equals(b);
Assert.AreEqual(expected, actual);
}