@Test public void sampleTest2() { String input = "d^f^f ^cee|de^f g^fe|d^f^f ^cee|d^fe dBA|\n" + "d^f^f ^cee|de^f g^fe|^fa^f g^fe|[1 d^fe dBA:|[2 d^fe d^cB|]\n" + "A3 B3|g^fe ^fdB|A^FA B2^c|d^fe d^cB|\n" + "A3 B3|e^fe e^fg|^fa^f g^fe|[1 d^fe d^cB:|[2 d^fe dBA|]\n" + "^fAA eAA| de^f g^fe|^fAA eAA|d^fe dBA|\n" + "^fAA eAA| de^f g^fe|^fa^f g^fe|d^fe dBA:|\n"; CharStream stream = new ANTLRInputStream(RepeatHandler.handleRepeats(input)); MusicGrammarLexer lexer = new MusicGrammarLexer(stream); lexer.reportErrorsAsExceptions(); TokenStream tokens = new CommonTokenStream(lexer); MusicGrammarParser parser = new MusicGrammarParser(tokens); parser.reportErrorsAsExceptions(); ParseTree tree = parser.root(); ParseTreeWalker walker = new ParseTreeWalker(); ConstructMusic listener = new ConstructMusic(new HeaderInfo()); walker.walk(listener, tree); Music sample = listener.getExpression(); try { SequencePlayer player = new SequencePlayer(200, 12); sample.play(player, 0); player.play(); Thread.sleep((long) sample.duration() * 1000); } catch (MidiUnavailableException | InvalidMidiDataException e) { e.printStackTrace(); } catch (InterruptedException uie) { uie.printStackTrace(); } }
@Test public void sampleTest() { String input = "C,, D,, E,, F,, | G,, A,, B,, C, | " + "C, D, E, F, | G, A, B, C | " + "C D E F | G A B c " + "| c d e f | g a b c' | " + "c' d' e' f' | g' a' b' c''\n"; CharStream stream = new ANTLRInputStream(input); MusicGrammarLexer lexer = new MusicGrammarLexer(stream); lexer.reportErrorsAsExceptions(); TokenStream tokens = new CommonTokenStream(lexer); MusicGrammarParser parser = new MusicGrammarParser(tokens); parser.reportErrorsAsExceptions(); ParseTree tree = parser.root(); ParseTreeWalker walker = new ParseTreeWalker(); ConstructMusic listener = new ConstructMusic(new HeaderInfo()); walker.walk(listener, tree); Music sample = listener.getExpression(); try { SequencePlayer player = new SequencePlayer(140, 12); sample.play(player, 0); player.play(); Thread.sleep((long) sample.duration() * 1000); } catch (MidiUnavailableException | InvalidMidiDataException e) { e.printStackTrace(); } catch (InterruptedException uie) { uie.printStackTrace(); } }
// musicDurationLargeCaseTest(): row row row your boat @Test public void musicDurationLargeCaseTest() { assertTrue(16.0 == rowRowRowYourBoat.duration()); }
// musicDurationSingleNoteTest(): single note @Test public void musicDurationSingleNoteTest() { Music singleNote = new Parallel(new Rest(0), new Merge(new Note(5.5, new Pitch(66)), new Rest(0))); assertTrue(singleNote.duration() == 5.5); }
// musicDurationEmptyTest(): empty music @Test public void musicDurationEmptyTest() { Music empty = new Parallel(new Rest(0), new Merge(new Rest(0), new Rest(0))); assertTrue(empty.duration() == 0); }