private static InMemoryLineView InitView(string startValue, int startPos)
{
var lineView = new InMemoryLineView();
lineView.SetState(startValue, startPos);
return(lineView);
}
public void NotMoveToOutsideBoundaries(int newPos)
{
// Arrange
var line = new InMemoryLineView();
// Act, Assert
Assert.Throws <ArgumentOutOfRangeException>(() => line.MoveTo(newPos));
}
public void NotDeleteOutsideOfBoundaries(int count)
{
// Arrange
var line = new InMemoryLineView();
// Act, Assert
Assert.Throws <ArgumentOutOfRangeException>(() => line.Delete(count));
}
public void NotTypeEmptyStringValue(string value)
{
// Arrange
var line = new InMemoryLineView();
// Act
line.Type(value);
// Assert
Assert.Equal("", line.ToString());
}
public void MoveTo(int startPos, int newPos)
{
// Arrange
var line = new InMemoryLineView();
line.Type("test");
line.MoveTo(startPos);
// Act
line.MoveTo(newPos);
// Assert
Assert.Equal(newPos, line.Position);
}
public void ReturnValidStringStartedAtWithLength(
string startValue, int start, int length, string expected)
{
// Arrange
var line = new InMemoryLineView();
line.Type(startValue);
// Act
string actual = line.ToString(start, length);
// Assert
Assert.Equal(expected, actual);
}
public void ReturnValidString()
{
// Arrange
var line = new InMemoryLineView();
string expected = "test";
line.Type(expected);
// Act
string actual = line.ToString();
// Assert
Assert.Equal(expected, actual);
}
public void Clear(string startValue)
{
// Arrange
var line = new InMemoryLineView();
line.Type(startValue);
// Act
line.Clear();
// Assert
Assert.Equal("", line.ToString());
Assert.Equal(0, line.Position);
}
public void TypeCharValue(string startValue, int startPos,
char value, string expextedValue, int expextedPos)
{
// Arrange
var line = new InMemoryLineView();
line.Type(startValue);
line.MoveTo(startPos);
// Act
line.Type(value);
// Assert
Assert.Equal(expextedValue, line.ToString());
Assert.Equal(expextedPos, line.Position);
}
public void Delete(string startValue, int startPos,
int deleteCount, string expextedValue, int expextedPos)
{
// Arrange
var line = new InMemoryLineView();
line.Type(startValue);
line.MoveTo(startPos);
// Act
line.Delete(deleteCount);
// Assert
Assert.Equal(expextedValue, line.ToString());
Assert.Equal(expextedPos, line.Position);
}
