public static InvestPlan Input(string investPlans)
{
var result = new InvestPlan(investPlans);
result.ProcessInvestment();
return(result);
}
public void WhenInputIs10ThenEmpty()
{
var result = InvestPlan.Input(@"0
10
1 2 3 1 1 1 1 1 1 1 1 1").Output();
Assert.AreEqual("Case 1: 1 3 20", result);
}
public void WhenInputIsOneThenImpossible()
{
var result = InvestPlan.Input(@"0
1
1 1 1 1 1 1 1 1 1 1 1 1").Output();
Assert.AreEqual("Case 1: IMPOSSIBLE", result);
}
public void WhenMultipleInputsThenMultipleResults()
{
var result = InvestPlan.Input(@"0
10
1 2 3 1 1 1 1 1 1 1 1 1
20
1 5 10 2 1 6 1 1 2 20 1 1").Output();
Assert.AreEqual("Case 1: 1 3 20\nCase 2: 1 10 380", result);
}
public void WhenInputIsNullOrEmptyThenThrowException()
{
try
{
InvestPlan.Input(string.Empty).Output();
}
catch (ArgumentOutOfRangeException ex)
{
Assert.AreEqual("index", ex.ParamName);
Assert.IsTrue(true);
}
try
{
InvestPlan.Input(null).Output();
}
catch (NullReferenceException)
{
Assert.IsTrue(true);
}
}
public void WhenInputIsOnlyZeroThenEmpty()
{
var result = InvestPlan.Input("0").Output();
Assert.AreEqual(string.Empty, result);
}