public void TestNoDebts()
{
ExpenseCalculator calculator = new ExpenseCalculator();
// One Free Loader
// $300 Total Expenses
Person Jimmy = new Person("Jimmy", new List <double>()
{
100, 120, 50, 30
});
// $300 Total Expenses
Person Bob = new Person("Bob", new List <double>()
{
300
});
// $300 Total Expenses
Person Sarah = new Person("Sarah", new List <double>()
{
300
});
ObservableCollection <Person> people_ = new ObservableCollection <Person>()
{
Jimmy,
Bob,
Sarah
};
calculator.CalculateAllDebts(people_);
Assert.AreEqual(0, Jimmy.TotalOwed);
Assert.AreEqual(0, Bob.TotalOwed);
Assert.AreEqual(0, Sarah.TotalOwed);
Assert.AreEqual("", calculator.PrescribePayments(people_));
// $0 Total Expenses
Person j = new Person("j", new List <double>()
{
0
});
// $0 Total Expenses
Person b = new Person("b", new List <double>()
{
0
});
// $0 Total Expenses
Person s = new Person("s", new List <double>()
{
0
});
people_ = new ObservableCollection <Person>()
{
j,
b,
s
};
calculator.CalculateAllDebts(people_);
Assert.AreEqual(0, j.TotalOwed);
Assert.AreEqual(0, b.TotalOwed);
Assert.AreEqual(0, s.TotalOwed);
Assert.AreEqual("", calculator.PrescribePayments(people_));
}
public void TestOneFreeLoader()
{
ExpenseCalculator calculator = new ExpenseCalculator();
// One Free Loader
// $300.60 Total Expenses
Person Jimmy = new Person("Jimmy", new List <double>()
{
100, 120.60, 50, 30
});
// $0 Total Expenses
Person Bob = new Person("Bob");
// $300.60 Total Expenses
Person Sarah = new Person("Sarah", new List <double>()
{
300.60
});
ObservableCollection <Person> people_ = new ObservableCollection <Person>()
{
Jimmy,
Bob,
Sarah
};
calculator.CalculateAllDebts(people_);
Assert.AreEqual(100.2, Jimmy.TotalOwed);
Assert.AreEqual(-200.4, Bob.TotalOwed);
Assert.AreEqual(100.2, Sarah.TotalOwed);
Assert.AreEqual("Bob owes Jimmy $100.2\nBob owes Sarah $100.2\n", calculator.PrescribePayments(people_));
// Test that order doesn't matter
people_ = new ObservableCollection <Person>()
{
Bob,
Jimmy,
Sarah
};
calculator.CalculateAllDebts(people_);
Assert.AreEqual(100.2, Jimmy.TotalOwed);
Assert.AreEqual(-200.4, Bob.TotalOwed);
Assert.AreEqual(100.2, Sarah.TotalOwed);
Assert.AreEqual("Bob owes Jimmy $100.2\nBob owes Sarah $100.2\n", calculator.PrescribePayments(people_));
// Test that order doesn't matter
people_ = new ObservableCollection <Person>()
{
Sarah,
Jimmy,
Bob
};
calculator.CalculateAllDebts(people_);
Assert.AreEqual(100.2, Jimmy.TotalOwed);
Assert.AreEqual(-200.4, Bob.TotalOwed);
Assert.AreEqual(100.2, Sarah.TotalOwed);
Assert.AreEqual("Bob owes Sarah $100.2\nBob owes Jimmy $100.2\n", calculator.PrescribePayments(people_));
}
public void TestOneSidedDebt()
{
ExpenseCalculator calculator = new ExpenseCalculator();
// Base Cases
// 2 people, test onesided debt
// $300 Total Expenses
Person Jimmy = new Person("Jimmy", new List <double>()
{
100, 120, 50, 30
});
// $0 Total Expenses
Person Bob = new Person("Bob");
ObservableCollection <Person> people_ = new ObservableCollection <Person>()
{
Jimmy,
Bob
};
calculator.CalculateAllDebts(people_);
Assert.AreEqual(150, Jimmy.TotalOwed);
Assert.AreEqual(-150, Bob.TotalOwed);
Assert.AreEqual("Bob owes Jimmy $150\n", calculator.PrescribePayments(people_));
// 3 people, one sided debt
// $0 Total Expenses
Person Sarah = new Person("Sarah");
people_ = new ObservableCollection <Person>()
{
Jimmy,
Bob,
Sarah
};
calculator.CalculateAllDebts(people_);
Assert.AreEqual(200, Jimmy.TotalOwed);
Assert.AreEqual(-100, Bob.TotalOwed);
Assert.AreEqual(-100, Sarah.TotalOwed);
Assert.AreEqual("Bob owes Jimmy $100\nSarah owes Jimmy $100\n", calculator.PrescribePayments(people_));
// Test that order doesn't matter
people_ = new ObservableCollection <Person>()
{
Bob,
Jimmy,
Sarah
};
calculator.CalculateAllDebts(people_);
Assert.AreEqual(200, Jimmy.TotalOwed);
Assert.AreEqual(-100, Bob.TotalOwed);
Assert.AreEqual(-100, Sarah.TotalOwed);
Assert.AreEqual("Bob owes Jimmy $100\nSarah owes Jimmy $100\n", calculator.PrescribePayments(people_));
// Test that order doesn't matter
people_ = new ObservableCollection <Person>()
{
Bob,
Sarah,
Jimmy
};
calculator.CalculateAllDebts(people_);
Assert.AreEqual(200, Jimmy.TotalOwed);
Assert.AreEqual(-100, Bob.TotalOwed);
Assert.AreEqual(-100, Sarah.TotalOwed);
Assert.AreEqual("Bob owes Jimmy $100\nSarah owes Jimmy $100\n", calculator.PrescribePayments(people_));
}
