public void StatementRequiresOutputPort02()
{
var svs = new List <List <string> >()
{
new List <string>()
{
"Apple", "Orange"
},
new List <string>()
{
"Watermelon", "Grape", "HoneyDew"
},
new List <string>()
{
"Lemon", "Apple"
}
};
// "Apple" is redefined on the last statement, no port for first statement.
Assert.IsFalse(CodeBlockUtils.DoesStatementRequireOutputPort(svs, 0));
// None of the variables on statement 1 is redefined, so show output port.
Assert.IsTrue(CodeBlockUtils.DoesStatementRequireOutputPort(svs, 1));
// The last line will display an output port as long as it defines variable.
Assert.IsTrue(CodeBlockUtils.DoesStatementRequireOutputPort(svs, 2));
}
public void StatementRequiresOutputPort00()
{
Assert.Throws <ArgumentNullException>(() =>
{
// Null as argument will cause exception.
CodeBlockUtils.DoesStatementRequireOutputPort(null, 0);
});
// Create a list of another empty list.
var svs = new List <List <string> >()
{
new List <string>()
};
Assert.Throws <IndexOutOfRangeException>(() =>
{
// -1 as index argument will cause exception.
CodeBlockUtils.DoesStatementRequireOutputPort(svs, -1);
});
Assert.Throws <IndexOutOfRangeException>(() =>
{
// Out-of-bound index argument will cause exception.
CodeBlockUtils.DoesStatementRequireOutputPort(svs, 1);
});
}
public void StatementRequiresOutputPort01()
{
var svs = new List <List <string> >(); // An empty list should return false.
Assert.IsFalse(CodeBlockUtils.DoesStatementRequireOutputPort(svs, 0));
}