public void VectorVelocity_Recalculates_When_Properties_Change()
{
var velocity = new VectorVelocity();
DoCheckCalculationAfterPropertyChange(velocity, v => { v.EastWestVelocity = 0; v.NorthSouthVelocity = 0; }, 0, null);
DoCheckCalculationAfterPropertyChange(velocity, v => v.EastWestVelocity = 1, 1, 90);
DoCheckCalculationAfterPropertyChange(velocity, v => v.IsWesterlyVelocity = true, 1, 270);
DoCheckCalculationAfterPropertyChange(velocity, v => { v.EastWestVelocity = 0; v.NorthSouthVelocity = 1; }, 1, 0);
DoCheckCalculationAfterPropertyChange(velocity, v => v.IsSoutherlyVelocity = true, 1, 180);
DoCheckCalculationAfterPropertyChange(velocity, v => { v.EastWestVelocity = 0; v.NorthSouthVelocity = 0; }, 0, null);
}
public void VectorVelocity_Initialises_To_Known_State_And_Properties_Work()
{
var velocity = new VectorVelocity();
Assert.IsNull(velocity.Bearing);
Assert.IsNull(velocity.Speed);
TestUtilities.TestProperty(velocity, r => r.EastWestExceeded, false);
TestUtilities.TestProperty(velocity, r => r.EastWestVelocity, null, (short)1234);
TestUtilities.TestProperty(velocity, r => r.IsSoutherlyVelocity, false);
TestUtilities.TestProperty(velocity, r => r.IsWesterlyVelocity, false);
TestUtilities.TestProperty(velocity, r => r.NorthSouthExceeded, false);
TestUtilities.TestProperty(velocity, r => r.NorthSouthVelocity, null, (short)1234);
}
public void VectorVelocity_Calculates_Velocity_And_Bearing_Correctly()
{
var worksheet = new ExcelWorksheetData(TestContext);
var velocity = new VectorVelocity() {
IsWesterlyVelocity = worksheet.Bool("IsWesterlyVelocity"),
IsSoutherlyVelocity = worksheet.Bool("IsSoutherlyVelocity"),
EastWestVelocity = worksheet.NShort("EastWestVelocity"),
EastWestExceeded = worksheet.Bool("EastWestExceeded"),
NorthSouthVelocity = worksheet.NShort("NorthSouthVelocity"),
NorthSouthExceeded = worksheet.Bool("NorthSouthExceeded"),
};
if(worksheet.String("Speed") == null) Assert.IsNull(velocity.Speed);
else Assert.AreEqual(worksheet.Double("Speed"), velocity.Speed.Value, 0.000001);
if(worksheet.String("Bearing") == null) Assert.IsNull(velocity.Bearing);
else Assert.AreEqual(worksheet.Double("Bearing"), velocity.Bearing.Value, 0.000001);
}
private void DoCheckCalculationAfterPropertyChange(VectorVelocity velocity, Action<VectorVelocity> changeVelocity, double? expectedVelocity, double? expectedBearing)
{
changeVelocity(velocity);
Assert.AreEqual(expectedVelocity, velocity.Speed);
Assert.AreEqual(expectedBearing, velocity.Bearing);
}
