public void NumberOf_NullSource_ThrowsException()
{
string sSource = null;
char characterToTestFor = 'X';
Assert.Throws(typeof(ArgumentNullException), () => StringLib.NumberOf(sSource, characterToTestFor));
}
public void NumberOf_XCommaY_Comma_Return1()
{
string sSource = "X, Y";
char characterToTestFor = ',';
int n = StringLib.NumberOf(sSource, characterToTestFor);
Assert.AreEqual(1, n);
}
public void NumberOf_XCommaY_Semicolon_Return0()
{
string sSource = "X, Y";
char characterToTestFor = ';';
int n = StringLib.NumberOf(sSource, characterToTestFor);
Assert.AreEqual(0, n);
}
public void NumberOf_X_Return0()
{
string sSource = "X";
char characterToTestFor = 'A';
int n = StringLib.NumberOf(sSource, characterToTestFor);
Assert.AreEqual(0, n);
}
public void NumberOf_AAA_Return3()
{
string sSource = "AAA";
char characterToTestFor = 'A';
int n = StringLib.NumberOf(sSource, characterToTestFor);
Assert.AreEqual(3, n);
}
public void NumberOf_1_ValidResult()
{
string sSource = "ABCD";
char characterToTestFor = 'A';
int n = StringLib.NumberOf(sSource, characterToTestFor);
Assert.AreEqual(1, n);
}