public void SingleNumber_AllNumbersHaveAPair_InvalidOperationExceptionIsThrown()
{
var nums = new[] { 1, 1, 2, 2 };
var singleNumber = new SingleNumber();
Assert.That(() => singleNumber.GetNumber(nums), Throws.TypeOf <InvalidOperationException>());
}
public void SingleNumber_GetNumberEdge_ReturnsExpectedNumber()
{
var nums = new[] { 2, 2, 1 };
var singleNumber = new SingleNumber();
Assert.That(singleNumber.GetNumber(nums), Is.EqualTo(1));
}
public void SingleNumber_OneNumberInList_ReturnsThatNumber()
{
var nums = new[] { 1 };
var singleNumber = new SingleNumber();
Assert.That(singleNumber.GetNumber(nums), Is.EqualTo(1));
}
public void SingleNumber_GetNumber_ReturnsExpectedNumber()
{
var nums = new[] { 1, 1, 2, 2, 3, 4, 4 };
var singleNumber = new SingleNumber();
Assert.That(singleNumber.GetNumber(nums), Is.EqualTo(3));
}