/**

* @author lxxxvi / https://github.com/lxxxvi

* Developed as part of a project at University of Applied Sciences and Arts Northwestern Switzerland (www.fhnw.ch)

*/

module( "NegativeCases" );

test( "Test unwanted situations ", function() {

var editor = new Editor();

// illegal

editor.undo();

ok( editor.history.undos.length == 0, "OK, (illegal) undo did not affect the undo history" );

ok( editor.history.redos.length == 0, "OK, (illegal) undo did not affect the redo history" );

// illegal

editor.redo();

ok( editor.history.undos.length == 0, "OK, (illegal) redo did not affect the undo history" );

ok( editor.history.redos.length == 0, "OK, (illegal) redo did not affect the redo history" );

var box = aBox();

var cmd = new AddObjectCommand( box );

cmd.updatable = false;

editor.execute( cmd );

ok( editor.history.undos.length == 1, "OK, execute changed undo history" );

ok( editor.history.redos.length == 0, "OK, execute did not change redo history" );

// illegal

editor.redo();

ok( editor.history.undos.length == 1, "OK, (illegal) redo did not affect the undo history" );

ok( editor.history.redos.length == 0, "OK, (illegal) redo did not affect the redo history" );

editor.undo();

ok( editor.history.undos.length == 0, "OK, undo changed the undo history" );

ok( editor.history.redos.length == 1, "OK, undo changed the redo history" );

// illegal

editor.undo();

ok( editor.history.undos.length == 0, "OK, (illegal) undo did not affect the undo history" );

ok( editor.history.redos.length == 1, "OK, (illegal) undo did not affect the redo history" );

editor.redo();

ok( editor.history.undos.length == 1, "OK, redo changed the undo history" );

ok( editor.history.redos.length == 0, "OK, undo changed the redo history" );

// illegal

editor.redo();

ok( editor.history.undos.length == 1, "OK, (illegal) did not affect the undo history" );

ok( editor.history.redos.length == 0, "OK, (illegal) did not affect the redo history" );

} );