public void DeconstructIntoPowersOfTwo_Two_ReturnsTwo()
{
TestHelper.AssertSequence(
Integer.DeconstructIntoPowersOfTwo(2),
2);
}
public void Break_ThrowsException_IfNumberIsNegative()
{
Assert.Throws <ArgumentOutOfRangeException>(() => Integer.Break(-1, 1));
}
public void DeconstructIntoPowersOfTwo_Four_ReturnsMinusFour()
{
TestHelper.AssertSequence(
Integer.DeconstructIntoPowersOfTwo(-4),
-4);
}
public void DeconstructIntoPowersOfTwo_One_ReturnsOne()
{
TestHelper.AssertSequence(
Integer.DeconstructIntoPowersOfTwo(1),
1);
}
public void Zip_ReturnsCorrectResult_IntBase16(int x, int y, int expected)
{
var result = Integer.Zip(x, y, 16);
Assert.AreEqual(expected, result);
}
public void Zip_ThrowsException_ForNegativeY()
{
Assert.Throws <ArgumentOutOfRangeException>(() =>
Integer.Zip(1, -1, 2));
}
public void Break_ReturnsProperResult_ForSimpleCase_5()
{
var result = Integer.Break(10, 4, 1);
TestHelper.AssertSequence(result, (4, 2), (1, 2));
}
public void DeconstructIntoPrimeFactors_Twenty_ReturnsTwoTwoFive()
{
TestHelper.AssertSequence(
Integer.DeconstructIntoPrimeFactors(20),
2, 2, 5);
}
public void Break_ReturnsNothingIfNumberIsZero()
{
var result = Integer.Break(0, 1);
TestHelper.AssertSequence(result);
}
public void Break_ReturnsProperResult_ForSimpleCase_4()
{
var result = Integer.Break(2, 2, 1);
TestHelper.AssertSequence(result, (2, 1));
}
public void Break_ReturnsNothingIfComponentsIsEmpty()
{
var result = Integer.Break(1);
TestHelper.AssertSequence(result);
}
public void Break_ReturnsNothingIfComponentCannotBeBroken()
{
var result = Integer.Break(9, 5);
TestHelper.AssertSequence(result);
}
public void Break_ThrowsException_IfOneOfComponentsIsLessThanOne()
{
Assert.Throws <ArgumentOutOfRangeException>(() => Integer.Break(10, 0));
}
public void DeconstructIntoPrimeFactors_One_ReturnsOne()
{
TestHelper.AssertSequence(
Integer.DeconstructIntoPrimeFactors(1),
1);
}
public void Break_ReturnsProperResult_ForSimpleCase_6()
{
var result = Integer.Break(20, 7, 8, 6);
TestHelper.AssertSequence(result, (7, 2), (6, 1));
}
public void DeconstructIntoPrimeFactors_Three_ReturnsThree()
{
TestHelper.AssertSequence(
Integer.DeconstructIntoPrimeFactors(3),
3);
}
public void Break_ReturnsProperResult_ForSimpleCase_7()
{
var result = Integer.Break(1000, 7, 5, 3, 2, 1);
TestHelper.AssertSequence(result, (7, 142), (5, 1), (1, 1));
}
public void IsPrime_ReturnsFalse(int number)
{
var result = Integer.IsPrime(number);
Assert.IsFalse(result);
}
public void DeconstructIntoPrimeFactors_Zero_ReturnsZero()
{
TestHelper.AssertSequence(
Integer.DeconstructIntoPrimeFactors(0),
0);
}
public void Zip_ThrowsException_ForBaseOne()
{
Assert.Throws <ArgumentOutOfRangeException>(() =>
Integer.Zip(1, 1, 1));
}
public void DeconstructIntoPrimeFactors__MultipliesToOriginal(int number)
{
var mul = Integer.DeconstructIntoPrimeFactors(number).Aggregate((x, y) => x * y);
Assert.AreEqual(number, mul);
}
public void DeconstructIntoPowersOfTwo__SumsToOriginal(int number)
{
var backSum = Integer.DeconstructIntoPowersOfTwo(number).Sum();
Assert.AreEqual(number, backSum);
}
public void DeconstructIntoPrimeFactors_Four_ReturnsTwoTwo()
{
TestHelper.AssertSequence(
Integer.DeconstructIntoPrimeFactors(4),
2, 2);
}
public void DeconstructIntoPowersOfTwo_MinusThree_ReturnsMinusOneThenMinusTwo()
{
TestHelper.AssertSequence(
Integer.DeconstructIntoPowersOfTwo(-3),
-1, -2);
}
public void DeconstructIntoPrimeFactors_MinusFour_ReturnsMinusOneMinusTwoMinusTwo()
{
TestHelper.AssertSequence(
Integer.DeconstructIntoPrimeFactors(-4),
-2, -2, -1);
}
public void DeconstructIntoPowersOfTwo_Three_ReturnsOneThenTwo()
{
TestHelper.AssertSequence(
Integer.DeconstructIntoPowersOfTwo(3),
1, 2);
}
public void DeconstructIntoPrimeFactors_MinusTwo_ReturnsMinusTwo()
{
TestHelper.AssertSequence(
Integer.DeconstructIntoPrimeFactors(-2),
-2);
}
public void DeconstructIntoPowersOfTwo_Zero_ReturnsNothing()
{
TestHelper.AssertSequence(
Integer.DeconstructIntoPowersOfTwo(0));
}
public void Break_ThrowsException_IfComponentArrayIsNull()
{
Assert.Throws <ArgumentNullException>(() => Integer.Break(1, null));
}