public void Constructor_NullComparer_ThrowsArgumentNullException()
{
var collection1 = new List <string>();
var collection2 = new List <string>();
EqualityComparer <string> comparer = null;
Assert.Throws <ArgumentNullException>(() => Diff2.Compare(collection1, collection2, comparer));
}
public void SimpleDiff_ProducesCorrectResults()
{
const string text1 = "This is a test of the diff implementation, with some text that is deleted.";
const string text2 = "This is another test of the same implementation, with some more text.";
Diff2Change[] diff = Diff2.Compare(text1, text2).ToArray();
CollectionAssert.AreEqual(diff, new[]
{
new Diff2Change(true, 9, 9), // same "This is a"
new Diff2Change(false, 0, 6), // add "nother"
new Diff2Change(true, 13, 13), // same " test of the "
new Diff2Change(false, 4, 4), // replace "same" with "diff"
new Diff2Change(true, 27, 27), // same " implementation, with some "
new Diff2Change(false, 0, 5), // add "more "
new Diff2Change(true, 4, 4), // same "text"
new Diff2Change(false, 16, 0), // delete " that is deleted"
new Diff2Change(true, 1, 1), // same "."
});
}
