melrōse musical expression player

package op import ( "testing" "github.com/emicklei/melrose/core" ) func TestReverse_S(t *testing.T) { s := core.MustParseSequence("A B") if got, want := (Reverse{Target: s}).S().String(), "B A"; got != want { t.Errorf("got [%v] want [%v]", got, want) } } func TestReverse_Storex(t *testing.T) { s := core.MustParseSequence("A B") r := Reverse{Target: s} if got, want := r.Storex(), "reverse(sequence('A B'))"; got != want { t.Errorf("got [%v] want [%v]", got, want) } // r = Reverse{Target: failingNoteConvertable{}} // if got, want := r.Storex(), ""; got != want { // t.Errorf("got [%v] want [%v]", got, want) // } } func TestReverse_Replaced(t *testing.T) { s1 := core.MustParseSequence("C") s2 := core.MustParseSequence("D") r := Reverse{Target: s1} if core.IsIdenticalTo(r, s1) { t.Error("should not be identical") } if !core.IsIdenticalTo(r.Replaced(s1, s2).(Reverse).Target, s2) { t.Error("not replaced") } if !core.IsIdenticalTo(r.Replaced(r, s2), s2) { t.Error("should be replaced by s2") } r = Reverse{Target: r} if !core.IsIdenticalTo(r.Replaced(r.Target, s2).(Reverse).Target, s2) { t.Error("not replaced") } r = Reverse{Target: failingNoteConvertable{}} if !core.IsIdenticalTo(r.Replaced(s1, s2), r) { t.Error("should be same") } }