public int GetCharsCount_ParametersAreValid_ReturnsResult(string str, char[] chars, int startIndex, int endIndex)
{
// Act
return(CharsCounter.GetCharsCount(str, chars, startIndex, endIndex));
}
public void GetCharsCountStartIndexEndIndexLimit_StrParameterIsNull_ThrowsException()
{
// Act
Assert.Throws <ArgumentNullException>(() => CharsCounter.GetCharsCount(null, null, 0, 0, 0));
}
public void GetCharsCountStartIndexEndIndex_EndIndexGreaterStringLength_ThrowsException()
{
// Act
Assert.Throws <ArgumentOutOfRangeException>(() => CharsCounter.GetCharsCount(string.Empty, new char[] { 'a' }, 0, 1));
}
public void GetCharsCountStartIndexEndIndex_StartIndexGreaterEndIndex_ThrowsException()
{
// Act
Assert.Throws <ArgumentOutOfRangeException>(() => CharsCounter.GetCharsCount("aa", new char[] { 'a' }, 1, 0));
}
public void GetCharsCountStartIndexEndIndex_StartIndexLessZero_ThrowsException()
{
// Act
Assert.Throws <ArgumentOutOfRangeException>(() => CharsCounter.GetCharsCount(string.Empty, new char[] { 'a' }, -1, 0));
}
public void GetCharsCountStartIndexEndIndex_CharsParameterIsNull_ThrowsException()
{
// Act
Assert.Throws <ArgumentNullException>(() => CharsCounter.GetCharsCount(string.Empty, null, 0, 0));
}
public int GetCharsCount_ParametersAreValid_ReturnsResult(string str, char[] chars)
{
// Act
return(CharsCounter.GetCharsCount(str, chars));
}
public void GetCharsCountStartIndexEndIndexLimit_LimitLessZero_ThrowsException()
{
// Act
Assert.Throws <ArgumentOutOfRangeException>(() => CharsCounter.GetCharsCount("aa", new char[] { 'a' }, 0, 1, -1));
}
public void GetCharsCount_StrParameterIsNull_ThrowsException()
{
// Act
Assert.Throws <ArgumentNullException>(() => CharsCounter.GetCharsCount(null, null));
}