public void diff_cleanupSemanticLosslessTest()
{
var dmp = new diff_match_patchTest();
// Slide diffs to match logical boundaries.
// Null case.
var diffs = new List<Diff>();
dmp.diff_cleanupSemanticLossless(diffs);
CollectionAssert.AreEqual(new List<Diff>(), diffs);
// Blank lines.
diffs = new List<Diff>{
new Diff(Operation.Equal, "AAA\r\n\r\nBBB"),
new Diff(Operation.Insert, "\r\nDDD\r\n\r\nBBB"),
new Diff(Operation.Equal, "\r\nEEE")
};
dmp.diff_cleanupSemanticLossless(diffs);
CollectionAssert.AreEqual(new List<Diff>{
new Diff(Operation.Equal, "AAA\r\n\r\n"),
new Diff(Operation.Insert, "BBB\r\nDDD\r\n\r\n"),
new Diff(Operation.Equal, "BBB\r\nEEE")
}, diffs);
// Line boundaries.
diffs = new List<Diff>{
new Diff(Operation.Equal, "AAA\r\nBBB"),
new Diff(Operation.Insert, " DDD\r\nBBB"),
new Diff(Operation.Equal, " EEE")
};
dmp.diff_cleanupSemanticLossless(diffs);
CollectionAssert.AreEqual(new List<Diff>{
new Diff(Operation.Equal, "AAA\r\n"),
new Diff(Operation.Insert, "BBB DDD\r\n"),
new Diff(Operation.Equal, "BBB EEE")
}, diffs);
// Word boundaries.
diffs = new List<Diff>{
new Diff(Operation.Equal, "The c"),
new Diff(Operation.Insert, "ow and the c"),
new Diff(Operation.Equal, "at.")
};
dmp.diff_cleanupSemanticLossless(diffs);
CollectionAssert.AreEqual(new List<Diff>{
new Diff(Operation.Equal, "The "),
new Diff(Operation.Insert, "cow and the "),
new Diff(Operation.Equal, "cat.")
}, diffs);
// Alphanumeric boundaries.
diffs = new List<Diff>{
new Diff(Operation.Equal, "The-c"),
new Diff(Operation.Insert, "ow-and-the-c"),
new Diff(Operation.Equal, "at.")
};
dmp.diff_cleanupSemanticLossless(diffs);
CollectionAssert.AreEqual(new List<Diff>{
new Diff(Operation.Equal, "The-"),
new Diff(Operation.Insert, "cow-and-the-"),
new Diff(Operation.Equal, "cat.")
}, diffs);
// Hitting the start.
diffs = new List<Diff>{
new Diff(Operation.Equal, "a"),
new Diff(Operation.Delete, "a"),
new Diff(Operation.Equal, "ax")
};
dmp.diff_cleanupSemanticLossless(diffs);
CollectionAssert.AreEqual(new List<Diff>{
new Diff(Operation.Delete, "a"),
new Diff(Operation.Equal, "aax")
}, diffs);
// Hitting the end.
diffs = new List<Diff>{
new Diff(Operation.Equal, "xa"),
new Diff(Operation.Delete, "a"),
new Diff(Operation.Equal, "a")
};
dmp.diff_cleanupSemanticLossless(diffs);
CollectionAssert.AreEqual(new List<Diff>{
new Diff(Operation.Equal, "xaa"),
new Diff(Operation.Delete, "a")
}, diffs);
}
public void diff_cleanupSemanticLosslessTest()
{
diff_match_patchTest dmp = new diff_match_patchTest();
// Slide diffs to match logical boundaries.
List<Diff> diffs = new List<Diff>();
dmp.diff_cleanupSemanticLossless(diffs);
CollectionAssert.AreEqual(new List<Diff>(), diffs);
diffs = new List<Diff>
{
new Diff(Operation.EQUAL, "AAA\r\n\r\nBBB"),
new Diff(Operation.INSERT, "\r\nDDD\r\n\r\nBBB"),
new Diff(Operation.EQUAL, "\r\nEEE")
};
dmp.diff_cleanupSemanticLossless(diffs);
CollectionAssert.AreEqual(
new List<Diff>{
new Diff(Operation.EQUAL, "AAA\r\n\r\n"),
new Diff(Operation.INSERT, "BBB\r\nDDD\r\n\r\n"),
new Diff(Operation.EQUAL, "BBB\r\nEEE")}, diffs);
diffs = new List<Diff>{
new Diff(Operation.EQUAL, "AAA\r\nBBB"),
new Diff(Operation.INSERT, " DDD\r\nBBB"),
new Diff(Operation.EQUAL, " EEE")};
dmp.diff_cleanupSemanticLossless(diffs);
CollectionAssert.AreEqual(
new List<Diff>{
new Diff(Operation.EQUAL, "AAA\r\n"),
new Diff(Operation.INSERT, "BBB DDD\r\n"),
new Diff(Operation.EQUAL, "BBB EEE")}, diffs);
diffs = new List<Diff>{
new Diff(Operation.EQUAL, "The c"),
new Diff(Operation.INSERT, "ow and the c"),
new Diff(Operation.EQUAL, "at.")};
dmp.diff_cleanupSemanticLossless(diffs);
CollectionAssert.AreEqual(new List<Diff>{
new Diff(Operation.EQUAL, "The "),
new Diff(Operation.INSERT, "cow and the "),
new Diff(Operation.EQUAL, "cat.")}, diffs);
diffs = new List<Diff>{
new Diff(Operation.EQUAL, "The-c"),
new Diff(Operation.INSERT, "ow-and-the-c"),
new Diff(Operation.EQUAL, "at.")};
dmp.diff_cleanupSemanticLossless(diffs);
CollectionAssert.AreEqual(new List<Diff>{
new Diff(Operation.EQUAL, "The-"),
new Diff(Operation.INSERT, "cow-and-the-"),
new Diff(Operation.EQUAL, "cat.")}, diffs);
diffs = new List<Diff>{
new Diff(Operation.EQUAL, "a"),
new Diff(Operation.DELETE, "a"),
new Diff(Operation.EQUAL, "ax")};
dmp.diff_cleanupSemanticLossless(diffs);
CollectionAssert.AreEqual(new List<Diff>{
new Diff(Operation.DELETE, "a"),
new Diff(Operation.EQUAL, "aax")}, diffs);
diffs = new List<Diff>{
new Diff(Operation.EQUAL, "xa"),
new Diff(Operation.DELETE, "a"),
new Diff(Operation.EQUAL, "a")};
dmp.diff_cleanupSemanticLossless(diffs);
CollectionAssert.AreEqual(new List<Diff>{
new Diff(Operation.EQUAL, "xaa"),
new Diff(Operation.DELETE, "a")}, diffs);
}