melrōse musical expression player

package op import ( "testing" "github.com/emicklei/melrose/core" ) func TestTranspose_S(t *testing.T) { s := core.MustParseSequence("C") tr := Transpose{Target: s, Semitones: core.On(1)} if got, want := tr.S().Storex(), "sequence('D_')"; got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } } func TestTranspose_Storex(t *testing.T) { s := core.MustParseSequence("C") tr := Transpose{Target: s, Semitones: core.On(1)} if got, want := tr.Storex(), "transpose(1,sequence('C'))"; got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } } func TestTranspose_Replaced(t *testing.T) { s1 := core.MustParseSequence("C") s2 := core.MustParseSequence("D") tr := Transpose{Target: s1, Semitones: core.On(1)} if core.IsIdenticalTo(tr, s1) { t.Error("should not be identical") } if !core.IsIdenticalTo(tr.Replaced(s1, s2).(Transpose).Target, s2) { t.Error("not replaced") } if !core.IsIdenticalTo(tr.Replaced(tr, s2), s2) { t.Error("should be replaced by s2") } tr = Transpose{Target: tr, Semitones: core.On(1)} if !core.IsIdenticalTo(tr.Replaced(tr.Target, s2).(Transpose).Target, s2) { t.Error("not replaced") } tr = Transpose{Target: failingNoteConvertable{}, Semitones: core.On(1)} if !core.IsIdenticalTo(tr.Replaced(s1, s2), tr) { t.Error("should be same") } }