melrōse musical expression player

package op import ( "testing" "github.com/emicklei/melrose/core" ) func TestStretch_S(t *testing.T) { s := core.MustParseSequence("(c d) 2e 8.f") st := s.Stretched(2.0) if got, want := core.Storex(st), "sequence('(2C 2D) 1E .F')"; got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } } func TestStretch_Storex(t *testing.T) { s := NewStretch(core.On(2.0), []core.Sequenceable{core.MustParseSequence("C")}) if got, want := s.Storex(), "stretch(2,sequence('C'))"; got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } } func TestStretch_Replaced(t *testing.T) { s1 := core.MustParseSequence("C") s2 := core.MustParseSequence("D") s := NewStretch(core.On(2.0), []core.Sequenceable{s1}) if core.IsIdenticalTo(s, s1) { t.Error("should not be identical") } if !core.IsIdenticalTo(s.Replaced(s1, s2).(Stretch).target[0], s2) { t.Error("not replaced") } if !core.IsIdenticalTo(s.Replaced(s, s2), s2) { t.Error("should be replaced by s2") } }