public void Test1()
{
UndergroundSystem undergroundSystem = new UndergroundSystem();
undergroundSystem.CheckIn(45, "Leyton", 3);
undergroundSystem.CheckIn(32, "Paradise", 8);
undergroundSystem.CheckIn(27, "Leyton", 10);
undergroundSystem.CheckOut(45, "Waterloo", 15);
undergroundSystem.CheckOut(27, "Waterloo", 20);
undergroundSystem.CheckOut(32, "Cambridge", 22);
double average1 = undergroundSystem.GetAverageTime("Paradise", "Cambridge");
average1.Should().Be(14.0);
double average2 = undergroundSystem.GetAverageTime("Leyton", "Waterloo");
average2.Should().Be(11.0);
undergroundSystem.CheckIn(10, "Leyton", 24);
double average3 = undergroundSystem.GetAverageTime("Leyton", "Waterloo");
average3.Should().Be(11.0);
undergroundSystem.CheckOut(10, "Waterloo", 38);
double average4 = undergroundSystem.GetAverageTime("Leyton", "Waterloo");
average4.Should().Be(12.0);
}
public void GetAverageTime1()
{
var sut = new UndergroundSystem();
sut.CheckIn(45, "Leyton", 3);
sut.CheckIn(32, "Paradise", 8);
sut.CheckIn(27, "Leyton", 10);
sut.CheckOut(45, "Waterloo", 15);
sut.CheckOut(27, "Waterloo", 20);
sut.CheckOut(32, "Cambridge", 22);
var actual = sut.GetAverageTime("Paradise", "Cambridge");
Assert.AreEqual(14d, actual);
actual = sut.GetAverageTime("Leyton", "Waterloo");
Assert.AreEqual(11d, actual);
sut.CheckIn(10, "Leyton", 24);
actual = sut.GetAverageTime("Leyton", "Waterloo");
Assert.AreEqual(11d, actual);
sut.CheckOut(10, "Waterloo", 38);
actual = sut.GetAverageTime("Leyton", "Waterloo");
Assert.AreEqual(12d, actual);
}
public static void Main(string[] args)
{
UndergroundSystem undergroundSystem = new UndergroundSystem();
undergroundSystem.CheckIn(45, "Leyton", 3);
undergroundSystem.CheckIn(32, "Paradise", 8);
undergroundSystem.CheckIn(27, "Leyton", 10);
undergroundSystem.CheckOut(45, "Waterloo", 15);
undergroundSystem.CheckOut(27, "Waterloo", 20);
undergroundSystem.CheckOut(32, "Cambridge", 22);
Console.WriteLine(undergroundSystem.GetAverageTime("Paradise", "Cambridge")); // return 14.0. There was only one travel from "Paradise" (at time 8) to "Cambridge" (at time 22)
Console.WriteLine(undergroundSystem.GetAverageTime("Leyton", "Waterloo")); // return 11.0. There were two travels from "Leyton" to "Waterloo", a customer with id=45 from time=3 to time=15 and a customer with id=27 from time=10 to time=20. So the average time is ( (15-3) + (20-10) ) / 2 = 11.0
undergroundSystem.CheckIn(10, "Leyton", 24);
Console.WriteLine(undergroundSystem.GetAverageTime("Leyton", "Waterloo")); // return 11.0
undergroundSystem.CheckOut(10, "Waterloo", 38);
Console.WriteLine(undergroundSystem.GetAverageTime("Leyton", "Waterloo")); // return 12.0
}
public void GetAverageTime2()
{
var sut = new UndergroundSystem();
sut.CheckIn(10, "Leyton", 3);
sut.CheckOut(10, "Paradise", 8);
var actual = sut.GetAverageTime("Leyton", "Paradise");
Assert.AreEqual(5d, actual);
sut.CheckIn(5, "Leyton", 10);
sut.CheckOut(5, "Paradise", 16);
actual = sut.GetAverageTime("Leyton", "Paradise");
Assert.AreEqual(5.5d, actual);
sut.CheckIn(2, "Leyton", 21);
sut.CheckOut(2, "Paradise", 30);
actual = sut.GetAverageTime("Leyton", "Paradise");
Assert.AreEqual(6.666666666666667d, actual);
}
public void Test2()
{
UndergroundSystem undergroundSystem = new UndergroundSystem();
undergroundSystem.CheckIn(10, "Leyton", 3);
undergroundSystem.CheckOut(10, "Paradise", 8);
double average1 = undergroundSystem.GetAverageTime("Leyton", "Paradise");
average1.Should().Be(5.0);
undergroundSystem.CheckIn(5, "Leyton", 10);
undergroundSystem.CheckOut(5, "Paradise", 16);
double average2 = undergroundSystem.GetAverageTime("Leyton", "Paradise");
average2.Should().Be(5.5);
undergroundSystem.CheckIn(2, "Leyton", 21);
undergroundSystem.CheckOut(2, "Paradise", 30);
double average3 = undergroundSystem.GetAverageTime("Leyton", "Paradise");
average3.Should().BeApproximately(6.66667, 0.001);
}
/*
* ["UndergroundSystem","checkIn","checkIn","checkIn","checkOut","checkOut","checkOut","getAverageTime","getAverageTime","checkIn","getAverageTime","checkOut","getAverageTime"]
* [[],[45,"Leyton",3],[32,"Paradise",8],[27,"Leyton",10],[45,"Waterloo",15],[27,"Waterloo",20],[32,"Cambridge",22],["Paradise","Cambridge"],["Leyton","Waterloo"],[10,"Leyton",24],["Leyton","Waterloo"],[10,"Waterloo",38],["Leyton","Waterloo"]]
* [null,null,null,null,null,null,null,14.00000,11.00000,null,11.00000,null,12.00000]
*
*/
public void Case0()
{
var subway = new UndergroundSystem();
subway.CheckIn(45, "Leyton", 3);
subway.CheckIn(32, "Paradise", 8);
subway.CheckIn(27, "Leyton", 10);
subway.CheckOut(45, "Waterloo", 15);
subway.CheckOut(27, "Waterloo", 20);
subway.CheckOut(32, "Cambridge", 22);
Assert.Equal(14, subway.GetAverageTime("Paradise", "Cambridge"));
Assert.Equal(11, subway.GetAverageTime("Leyton", "Waterloo"));
subway.CheckIn(10, "Leyton", 24);
Assert.Equal(11, subway.GetAverageTime("Leyton", "Waterloo"));
subway.CheckOut(10, "Waterloo", 38);
Assert.Equal(12, subway.GetAverageTime("Leyton", "Waterloo"));
}
public void GivenUnderGroundSystem_GetAverage_ShouldReturnAverage()
{
var undergroundSystem = new UndergroundSystem();
undergroundSystem.CheckIn(45, "Leyton", 3);
undergroundSystem.CheckIn(32, "Paradise", 8);
undergroundSystem.CheckIn(27, "Leyton", 10);
undergroundSystem.CheckOut(45, "Waterloo", 15);
undergroundSystem.CheckOut(27, "Waterloo", 20);
undergroundSystem.CheckOut(32, "Cambridge", 22);
var result = undergroundSystem.GetAverageTime("Paradise", "Cambridge");
Assert.IsTrue(result == 14.0d);
}