public void FilterDigitsTest()
{
DataRow[] datas = TestContext.DataRow.GetChildRows("parameteres_TestCase1");
string stringArrayTest = Convert.ToString(TestContext.DataRow["array"]);
string[] bufStrings = stringArrayTest.Split(',');
int[] testArray = new int[bufStrings.Length];
for (int i = 0; i < bufStrings.Length; i++)
{
testArray[i] = Convert.ToInt32(bufStrings[i]);
}
int testNumber = Convert.ToInt32(TestContext.DataRow["number"]);
int[] actualArray = ArrayModifier.FilterDigits(testArray, testNumber);
int[] expectedArray = { 12, 12, 100 };
CollectionAssert.AreEqual(actualArray, expectedArray);
}
public void FilterDigitsTest_WithNullPredicate()
{
Assert.Throws <ArgumentNullException>(() => ArrayModifier.FilterDigits(testArray, null));
}
public void FilterDigitsTest_WithNullArray()
{
Assert.Throws <ArgumentNullException>(() => ArrayModifier.FilterDigits(null, new PredicateNumberContainsDigit()));
}
public void FilterDigitsTest_NumberIsDividedByValue()
{
int[] expectedArray = { 13, -26, 0, -117 };
CollectionAssert.AreEqual(expectedArray, ArrayModifier.FilterDigits(testArray, new PredicateNumberIsDividedByValue()));
}
public void FilterDigitsTest_NumberContainsDigit()
{
int[] expectedArray = { -1199, -90 };
CollectionAssert.AreEqual(expectedArray, ArrayModifier.FilterDigits(testArray, new PredicateNumberContainsDigit()));
}
public void FilterDigitsTest_NumberIsPositive()
{
int[] expectedArray = { 13, 11, 14 };
CollectionAssert.AreEqual(expectedArray, ArrayModifier.FilterDigits(testArray, new PredicateNumberIsPositive()));
}
public int[] FilterDigits_TestArray(int[] array, int number)
{
return(ArrayModifier.FilterDigits(array, number));
}
public void FilterDigits_NumberIsMoreThan9_ArgumentException() => Assert.Throws <ArgumentException>(() => ArrayModifier.FilterDigits(Array.Empty <int>(), 24));
public void FilterDigits_Null_ArgumentNullException() => Assert.Throws <ArgumentNullException>(() => ArrayModifier.FilterDigits(null, 0));