public void Goto_WithNonExistingLineNumber_ThrowsArgumentOutOfRangeException()
{
var runner = new ProgramRunner(lines);
const string nonExistingNumber = "200";
runner.Goto(nonExistingNumber);
}
public void MoveNext_AfterConstructorCall_ReturnsTrue()
{
var runner = new ProgramRunner(lines);
var condition = runner.MoveNext();
Assert.IsTrue(condition);
}
public void IsBroke_AfterBreak_IsTrue()
{
var runner = new ProgramRunner(lines);
runner.Break();
Assert.IsTrue(runner.IsBroke);
}
public void MoveNext_WhenRecallAfterComplete_ThrowsInvalidOperationException()
{
var runner = new ProgramRunner(lines);
runner.Complete();
runner.MoveNext();
runner.MoveNext();
}
public void RunningLine_AfterMoveNext_RetursFirstLine()
{
var runner = new ProgramRunner(lines);
var condition = runner.MoveNext();
var statement = runner.RunningLine.Statement;
Assert.IsInstanceOfType(statement, typeof(Rem));
}
public void MoveNext_AfterComplete_ReturnsFalse()
{
var runner = new ProgramRunner(lines);
runner.Complete();
var condition = runner.MoveNext();
Assert.IsFalse(condition);
}
public void Goto_WithExistingLineNumber_SetsCurrentStatement()
{
var runner = new ProgramRunner(lines);
const string existingNumberWithRemStatement = "100";
runner.Goto(existingNumberWithRemStatement);
var actual = (runner.RunningLine.Statement as Rem).Comment;
Assert.AreEqual("The end", actual);
}
public void MoveNext_AfterGoto_ReturnsTrue()
{
var runner = new ProgramRunner(lines);
const string existingNumber = "30";
runner.Goto(existingNumber);
var condition = runner.MoveNext();
Assert.IsTrue(condition);
}
public void MoveNext_BeyondTheEndOfProgram_ThrowsInvalidOperationException()
{
var runner = new ProgramRunner(lines);
while (runner.MoveNext())
{
;
}
runner.MoveNext();
}
public void MoveNext_AfterGoto_KeepsCurrentStatement()
{
var runner = new ProgramRunner(lines);
const string existingNumber = "30";
runner.Goto(existingNumber);
var expected = runner.RunningLine;
var condition = runner.MoveNext();
var actual = runner.RunningLine;
Assert.AreEqual(expected, actual);
}
public void RunningLine_AfterConstructorCall_ThrowsIndexOutOfRangeException()
{
var runner = new ProgramRunner(lines);
var statement = runner.RunningLine;
}
public void IsBroke_AfterConstructorCall_IsFalse()
{
var runner = new ProgramRunner(lines);
Assert.IsFalse(runner.IsBroke);
}
public void ProgramRunner_WithNull_ThrowsArgumentNullException()
{
var runner = new ProgramRunner(null);
}
protected virtual internal void StartRun()
{
Runner = new ProgramRunner(Lines);
}