public void EqualsIsImplemented()
{
Length2d v = Length2d.FromMeters(1, 2);
Assert.IsTrue(v.Equals(Length2d.FromMeters(1, 2)));
Assert.IsFalse(v.Equals(Length2d.Zero));
}
public void EqualityOperators()
{
Length2d a = Length2d.FromMeters(1, 2);
Length2d b = Length2d.FromMeters(2, 1);
// ReSharper disable EqualExpressionComparison
// Disable build warning: Comparison made to same variable; did you mean to compare something else?
#pragma warning disable 1718
Assert.True(a == a);
Assert.True(a != b);
Assert.False(a == b);
Assert.False(a != a);
#pragma warning restore 1718
// ReSharper restore EqualExpressionComparison
}
public void ArithmeticOperators()
{
Length2d v = Length2d.FromMeters(1, 2);
Assert.AreEqual(-1, -v.Meters.X, Delta);
Assert.AreEqual(-2, -v.Meters.Y, Delta);
Assert.AreEqual(2, (Length2d.FromMeters(3, 3) - v).Meters.X, Delta);
Assert.AreEqual(1, (Length2d.FromMeters(3, 3) - v).Meters.Y, Delta);
Assert.AreEqual(2, (v + v).Meters.X, Delta);
Assert.AreEqual(4, (v + v).Meters.Y, Delta);
Assert.AreEqual(10, (v * 10).Meters.X, Delta);
Assert.AreEqual(20, (v * 10).Meters.Y, Delta);
Assert.AreEqual(10, (10 * v).Meters.X, Delta);
Assert.AreEqual(20, (10 * v).Meters.Y, Delta);
Assert.AreEqual(2, (Length2d.FromMeters(2, 2) * v).Meters.X, Delta);
Assert.AreEqual(4, (Length2d.FromMeters(2, 2) * v).Meters.Y, Delta);
Assert.AreEqual(2, (Length2d.FromMeters(10, 20) / 5).Meters.X, Delta);
Assert.AreEqual(4, (Length2d.FromMeters(10, 20) / 5).Meters.Y, Delta);
Assert.AreEqual(2, (Length2d.FromMeters(10, 20) / Length2d.FromMeters(5, 5)).X, Delta);
Assert.AreEqual(4, (Length2d.FromMeters(10, 20) / Length2d.FromMeters(5, 5)).Y, Delta);
}
public void MetersToDistanceUnits()
{
Length2d meter = Length2d.FromMeters(1, 1);
AssertAreEqual(new Vector2(1), meter.Meters, Delta);
AssertAreEqual(new Vector2(1E2), meter.Centimeters, Delta);
AssertAreEqual(new Vector2(1E3), meter.Millimeters, Delta);
AssertAreEqual(new Vector2(1E-3), meter.Kilometers, Delta);
AssertAreEqual(new Vector2(1), meter.Meters, Delta);
AssertAreEqual(new Vector2(1E1), meter.Decimeters, Delta);
AssertAreEqual(new Vector2(1E2), meter.Centimeters, Delta);
AssertAreEqual(new Vector2(1E3), meter.Millimeters, Delta);
AssertAreEqual(new Vector2(1E6), meter.Micrometers, Delta);
AssertAreEqual(new Vector2(1E9), meter.Nanometers, Delta);
Assert.AreEqual(0.000621371, meter.Miles.X, Delta);
Assert.AreEqual(0.000621371, meter.Miles.Y, Delta);
Assert.AreEqual(1.09361, meter.Yards.X, Delta);
Assert.AreEqual(1.09361, meter.Yards.Y, Delta);
Assert.AreEqual(3.28084, meter.Feet.X, Delta);
Assert.AreEqual(3.28084, meter.Feet.Y, Delta);
Assert.AreEqual(39.37007874, meter.Inches.X, Delta);
Assert.AreEqual(39.37007874, meter.Inches.Y, Delta);
}
public void PressureByAreaEqualsForceUsingLength2D()
{
var force = Force.FromPressureByArea(Pressure.FromNewtonsPerSquareMeter(6), Length2d.FromMeters(5, 2));
Assert.AreEqual(force, Force.FromNewtons(60));
}
public void EqualsReturnsFalseOnTypeMismatch()
{
Length2d newton = Length2d.FromMeters(1, 2);
Assert.IsFalse(newton.Equals(new object()));
}
public void EqualsReturnsFalseOnNull()
{
Length2d newton = Length2d.FromMeters(1, 2);
Assert.IsFalse(newton.Equals(null));
}