public void IsPermutation_GivenOneEmptyAndOneNonEmptyString_ReturnsFalse(string inputA, string inputB) {
var p = new Permutation();
var actualResult = p.IsPermutationOfEachOther(inputA, inputB);
var expectedResult = false;
Assert.AreEqual(expectedResult, actualResult);
}
public void IsPermutation_StringLengthsDiffer_ReturnsFalse() {
var input1 = "AABCD";
var input2 = "AABCDE";
var p = new Permutation();
var actualResult = p.IsPermutationOfEachOther(input1, input2);
var expectedResult = false;
Assert.AreEqual(expectedResult, actualResult);
}
public void IsPermutation_GivenTwoEmptyStrings_ReturnsTrue() {
var input1 = String.Empty;
var input2 = String.Empty;
var p = new Permutation();
var actualResult = p.IsPermutationOfEachOther(input1, input2);
var expectedResult = true;
Assert.AreEqual(expectedResult, actualResult);
}
public void IsPermutation_Normally_IsCommutative() {
var input1 = "AABCDE";
var input2 = "EADBCA";
var p = new Permutation();
var actualResult = p.IsPermutationOfEachOther(input2, input1) == p.IsPermutationOfEachOther(input1, input2);
var expectedResult = true;
Assert.AreEqual(expectedResult, actualResult);
}
public void IsPermutation_GivenANonPermutedCouple_ReturnsFalse() {
var input1 = "AABCDE";
var input2 = "EEDBCA";
var p = new Permutation();
var actualResult = p.IsPermutationOfEachOther(input1, input2);
var expectedResult = false;
Assert.AreEqual(expectedResult, actualResult);
}
public void IsPermutation_GivenNullsInAnyPosition_ThrowsNullArgumentException(string inputA, string inputB)
{
var p = new Permutation();
Assert.Throws<ArgumentNullException>(()=> p.IsPermutationOfEachOther(inputA, inputB));
}
public void IsPermutation_Normally_IsCaseSensitive(string input1,string input2, bool expectedResult) {
var p = new Permutation();
var actualResult = p.IsPermutationOfEachOther(input1, input2);
Assert.AreEqual(expectedResult, actualResult);
}
public void IsPermutation_GivenNullsInAnyPosition_ThrowsNullArgumentException(string inputA, string inputB)
{
var p = new Permutation();
Assert.Throws <ArgumentNullException>(() => p.IsPermutationOfEachOther(inputA, inputB));
}
