public void WhenPosIsLessThanZero_ShouldInsertAtPositionZero()
{
var classUnderTest = new InsertStringCommand(-1, "first ");
classUnderTest.Execute("my original string");
Assert.That(classUnderTest.Result, Is.EqualTo("first my original string"));
}
public void WhenPositionWithinBounds_ShouldInsert()
{
var classUnderTest = new InsertStringCommand(3, "first ");
classUnderTest.Execute("my original string");
Assert.That(classUnderTest.Result, Is.EqualTo("my first original string"));
}
public void WhenPosIsGreaterThanLengthOfString_ShouldInsertAtEnd()
{
var classUnderTest = new InsertStringCommand(OriginalText.Length + 1, " was best");
classUnderTest.Execute(OriginalText);
Assert.That(classUnderTest.Result, Is.EqualTo("my original string was best"));
}
public void WhenOriginalStringIsEmpty_ShouldntInsert()
{
var classUnderTest = new InsertStringCommand(3, OriginalText);
classUnderTest.Execute(string.Empty);
Assert.That(classUnderTest.Result, Is.EqualTo(OriginalText));
}
