public void Should_ThrowException_When_ExpenseReportNumberOfEntriesIsEmptyOrLessThan2(int[] expenseEntries)
{
var mockExpenceReport = new ExpenseReport {
Entries = expenseEntries
};
var sut = new ExpenseReportService(mockExpenceReport);
Assert.Throws <InvalidOperationException>(() => sut.Find2NumbersThatAddUpTo2020AndMultiplyTogether());
}
public void Should_ThrowException_When_ExpenseReportEntriesAreNull()
{
var mockExpenceReport = new ExpenseReport {
Entries = null
};
var sut = new ExpenseReportService(mockExpenceReport);
Assert.Throws <InvalidOperationException>(() => sut.Find2NumbersThatAddUpTo2020AndMultiplyTogether());
}
public void Should_ThrowException_When_Find2NumbersThatAddUpTo2020AndMultiplyTogetherUnableToFindCombination(
int[] expenseReportEntries)
{
var expenseReport = new ExpenseReport {
Entries = expenseReportEntries
};
var sut = new ExpenseReportService(expenseReport);
Assert.Throws <Exception>(() => sut.Find2NumbersThatAddUpTo2020AndMultiplyTogether());
}
public void Should_Find2NumbersThatAddUpTo2020AndMultiplyTogether_WhenCombinationExists(
int[] expenseReportEntries, int expected)
{
var expenseReport = new ExpenseReport {
Entries = expenseReportEntries
};
var sut = new ExpenseReportService(expenseReport);
var result = sut.Find2NumbersThatAddUpTo2020AndMultiplyTogether();
Assert.That(result, Is.EqualTo(expected));
}