public void diff_charsToLinesTest()
{
var dmp = new diff_match_patchTest();
// Convert chars up to lines.
var diffs = new List<Diff>{
new Diff(Operation.Equal, "\u0001\u0002\u0001"),
new Diff(Operation.Insert, "\u0002\u0001\u0002")
};
var tmpVector = new List<string>{"", "alpha\n", "beta\n"};
dmp.diff_charsToLines(diffs, tmpVector);
CollectionAssert.AreEqual(new List<Diff>{
new Diff(Operation.Equal, "alpha\nbeta\nalpha\n"),
new Diff(Operation.Insert, "beta\nalpha\nbeta\n")
}, diffs);
// More than 256 to reveal any 8-bit limitations.
const int n = 300;
tmpVector.Clear();
var lineList = new StringBuilder();
var charList = new StringBuilder();
for (int x = 1; x < n + 1; x++) {
tmpVector.Add(x + "\n");
lineList.Append(x + "\n");
charList.Append(Convert.ToChar(x));
}
Assert.AreEqual(n, tmpVector.Count);
string lines = lineList.ToString();
string chars = charList.ToString();
Assert.AreEqual(n, chars.Length);
tmpVector.Insert(0, "");
diffs = new List<Diff>{new Diff(Operation.Delete, chars)};
dmp.diff_charsToLines(diffs, tmpVector);
CollectionAssert.AreEqual(new List<Diff>
{new Diff(Operation.Delete, lines)}, diffs);
}