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diff --git a/tests/test_history.h b/tests/test_history.h
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+++ b/tests/test_history.h
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+/*
+ * Sudoku: A plug-in for the Video Disk Recorder
+ *
+ * Copyright (C) 2010, Thomas Günther <tom@toms-cafe.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <cxxtest/TestSuite.h>
+#include "../history.h"
+#include "../puzzle.h"
+
+using namespace Sudoku;
+
+class Test_History : public CxxTest::TestSuite
+{
+public:
+  void test_HistoryEmpty()
+  {
+    History history;
+    TS_ASSERT(!history.movesExecuted());
+    TS_ASSERT(!history.movesToExecute());
+    history.backward();
+    TS_ASSERT(!history.movesExecuted());
+    TS_ASSERT(!history.movesToExecute());
+    history.forward();
+    TS_ASSERT(!history.movesExecuted());
+    TS_ASSERT(!history.movesToExecute());
+    history.reset();
+    TS_ASSERT(!history.movesExecuted());
+    TS_ASSERT(!history.movesToExecute());
+  }
+
+  void test_HistoryNull()
+  {
+    History history;
+    TS_ASSERT_EQUALS(history.current(), (Move*)0);
+    history.add(0);
+    TS_ASSERT(!history.movesExecuted());
+    TS_ASSERT(!history.movesToExecute());
+  }
+
+  void test_HistoryAdd()
+  {
+    History history;
+    PuzzleGame puzzle;
+
+    SetMove* move1 = new SetMove(puzzle, 1);
+    history.add(move1);
+    TS_ASSERT_EQUALS(history.current(), move1);
+    TS_ASSERT(history.movesExecuted());
+    TS_ASSERT(!history.movesToExecute());
+
+    SetMove* move2 = new SetMove(puzzle, 2);
+    history.add(move2);
+    TS_ASSERT_EQUALS(history.current(), move2);
+    TS_ASSERT(history.movesExecuted());
+    TS_ASSERT(!history.movesToExecute());
+
+    history.backward();
+    TS_ASSERT_EQUALS(history.current(), move1);
+    TS_ASSERT(history.movesExecuted());
+    TS_ASSERT(history.movesToExecute());
+
+    history.forward();
+    TS_ASSERT_EQUALS(history.current(), move2);
+    TS_ASSERT(history.movesExecuted());
+    TS_ASSERT(!history.movesToExecute());
+
+    history.backward();
+    TS_ASSERT_EQUALS(history.current(), move1);
+    TS_ASSERT(history.movesExecuted());
+    TS_ASSERT(history.movesToExecute());
+
+    SetMove* move3 = new SetMove(puzzle, 3);
+    history.add(move3);
+    TS_ASSERT_EQUALS(history.current(), move3);
+    TS_ASSERT(history.movesExecuted());
+    TS_ASSERT(!history.movesToExecute());
+
+    history.backward();
+    TS_ASSERT_EQUALS(history.current(), move1);
+    TS_ASSERT(history.movesExecuted());
+    TS_ASSERT(history.movesToExecute());
+
+    history.backward();
+    TS_ASSERT_EQUALS(history.current(), (Move*)0);
+    TS_ASSERT(!history.movesExecuted());
+    TS_ASSERT(history.movesToExecute());
+  }
+
+  void test_SetMove()
+  {
+    PuzzleGame puzzle;
+    SetMove move = SetMove(puzzle, 9);
+    Pos pos = puzzle.get_pos();
+    TS_ASSERT_EQUALS(puzzle.get(pos), 0u);
+    move.execute();
+    TS_ASSERT_EQUALS(puzzle.get(pos), 9u);
+    move.takeBack();
+    TS_ASSERT_EQUALS(puzzle.get(pos), 0u);
+  }
+};