Tests undo/redo operations in the editor model.


Running: testUndoRedoTab
Text before edit:
1
2
3

Text after edit:
1
	|2
3

Text after undo:
1
|2
3

Text after redo:
1
	|2
3


Running: testConsecutiveCharactersAndNewLines
Text before edit:
function foo()
{

}

Text after edit:
function foo()
{
    bar();
    baz();
    foo();|
}

Text after first undo:
function foo()
{
    bar();
    baz();|
}

Text after second undo:
function foo()
{
    bar();|
}

Text after third undo:
function foo()
{
|
}

Text after first redo:
function foo()
{
    bar();|
}

Text after second redo:
function foo()
{
    bar();
    baz();|
}

Text after third redo:
function foo()
{
    bar();
    baz();
    foo();|
}


Running: testEditRangeWithTheSameTextAsOriginal
Text before edit:
function foo()
{

}

Text after edit:
function foo()
{
    bar();
    baz();
    foo();|
}

Text after paste of the same text:
function foo()
{
    bar();
    baz();
    foo();|
}

Text after first undo:
function foo()
{
    bar();
>    baz();
<    foo();
}

Text after second undo:
function foo()
{
    bar();
    baz();|
}

Text after first redo:
function foo()
{
    bar();
    baz();
    foo();|
}

Text after second redo:
function foo()
{
    bar();
    baz();
|    foo();
}


Running: testDelete
Text before edit:
function foo()
{

}

Text after edit:
function foo()
{
    bar();
    baz();
    foo();|
}

Text after deletes:
function foo()
{
|
}

Text after first undo:
function foo()
{
|    bar();
    baz();
    foo();
}

Text after second undo:
function foo()
{
    bar();
    baz();|
}

Text after first redo:
function foo()
{
    bar();
    baz();
    foo();|
}

Text after second redo:
function foo()
{
|
}


Running: testBackspace
Text before edit:
function foo()
{

}

Text after edit:
function foo()
{
    bar();
    baz();
    foo();|
}

Text after backspaces:
function foo()
{
|
}

Text after first undo:
function foo()
{
    bar();
    baz();
    foo();|
}

Text after second undo:
function foo()
{
    bar();
    baz();|
}

Text after first redo:
function foo()
{
    bar();
    baz();
    foo();|
}

Text after second redo:
function foo()
{
|
}


Running: testBackspaceAndDeleteInDifferentLines
Text before edit:
function foo()
{

}

Text after edit:
function foo()
{
    bar();
    baz();
    foo();|
}

Text after backspace:
function foo()
{
    bar();
    baz();
    foo()|
}

Text after delete:
function foo()
{
|   bar();
    baz();
    foo()
}

Text after first undo:
function foo()
{
|    bar();
    baz();
    foo()
}

Text after second undo:
function foo()
{
    bar();
    baz();
    foo();|
}

Text after third undo:
function foo()
{
    bar();
    baz();|
}

Text after first redo:
function foo()
{
    bar();
    baz();
    foo();|
}

Text after second redo:
function foo()
{
    bar();
    baz();
    foo()|
}

Text after third redo:
function foo()
{
|   bar();
    baz();
    foo()
}


Running: testPasteSeveralTimes
Text before edit:
function foo()
{

}

Text after edit:
function foo()
{
    bar();
    baz();
    foo();|
}

Text after first paste:
function foo()
{
    bar();
    baz();
    foo();42|
}

Text after second paste:
function foo()
{
    bar();
    baz();
    foo();4242|
}

Text after first undo:
function foo()
{
    bar();
    baz();
    foo();42|
}

Text after second undo:
function foo()
{
    bar();
    baz();
    foo();|
}

Text after third undo:
function foo()
{
    bar();
    baz();|
}

Text after first redo:
function foo()
{
    bar();
    baz();
    foo();|
}

Text after second redo:
function foo()
{
    bar();
    baz();
    foo();42|
}

Text after third redo:
function foo()
{
    bar();
    baz();
    foo();4242|
}


Running: testSelectionAfterUndoRedo
Text before edit:
function foo()
{

}

Text after backspace:
function foo()
{|
}

Text after first undo:
function foo()
{
|
}

Text after first redo:
function foo()
{|
}

Text after second undo:
function foo()
{>
<
}

Text after deleting selection:
function foo()
{|
}

Text after first undo:
function foo()
{>
<
}

Text after first redo:
function foo()
{|
}

Text after second undo:
function foo()
{>
<
}