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| author | Neil <nyamatongwe@gmail.com> | 2024-03-09 09:02:04 +1100 |
|---|---|---|
| committer | Neil <nyamatongwe@gmail.com> | 2024-03-09 09:02:04 +1100 |
| commit | fe074f193e72d030447b96a231846a24b17a41ac (patch) | |
| tree | 3a6418a63dd4047b3f1d45e6db437f82699a45e3 /test | |
| parent | 212219da82d0a430dbf4eac1528056440f07940c (diff) | |
| download | scintilla-mirror-fe074f193e72d030447b96a231846a24b17a41ac.tar.gz | |
Bug [#2432]. Fix redo failure.
Diffstat (limited to 'test')
| -rw-r--r-- | test/unit/testCellBuffer.cxx | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/test/unit/testCellBuffer.cxx b/test/unit/testCellBuffer.cxx index a6bd5dba1..acd21d32e 100644 --- a/test/unit/testCellBuffer.cxx +++ b/test/unit/testCellBuffer.cxx @@ -397,6 +397,32 @@ TEST_CASE("UndoHistory") { REQUIRE(!uh.IsSavePoint()); } + SECTION("EnsureTruncationAfterUndo") { + + REQUIRE(uh.Actions() == 0); + bool startSequence = false; + uh.AppendAction(ActionType::insert, 0, "ab", 2, startSequence, true); + REQUIRE(uh.Actions() == 1); + uh.AppendAction(ActionType::insert, 2, "cd", 2, startSequence, true); + REQUIRE(uh.Actions() == 2); + REQUIRE(uh.CanUndo()); + REQUIRE(!uh.CanRedo()); + + // Undoing + const int steps = uh.StartUndo(); + REQUIRE(steps == 2); + uh.GetUndoStep(); + uh.CompletedUndoStep(); + REQUIRE(uh.Actions() == 2); // Not truncated until forward action + uh.GetUndoStep(); + uh.CompletedUndoStep(); + REQUIRE(uh.Actions() == 2); + + // Perform action which should truncate history + uh.AppendAction(ActionType::insert, 0, "12", 2, startSequence, true); + REQUIRE(uh.Actions() == 1); + } + SECTION("Coalesce") { bool startSequence = false; |