melrōse musical expression player

package op import ( "testing" "github.com/emicklei/melrose/core" ) func TestFraction_S(t *testing.T) { f := NewFraction(core.On(0.75), core.InList(core.N("c"))) if got, want := f.S().Storex(), "sequence('2.C')"; got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } f = NewFraction(core.On(0.375), core.InList(core.N("c"))) if got, want := f.S().Storex(), "sequence('.C')"; got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } f = NewFraction(core.On(2), core.InList(core.N("c"))) if got, want := f.S().Storex(), "sequence('2C')"; got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } } func TestFraction_Storex(t *testing.T) { f := NewFraction(core.On(2), core.InList(core.N("c"))) if got, want := f.Storex(), "fraction(2,note('C'))"; got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } } func TestFraction_ToNote(t *testing.T) { f := NewFraction(core.On(2), core.InList(core.N("c"))) n, err := f.ToNote() if err != nil { t.Fatal(err) } if got, want := n.Storex(), "note('2C')"; got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } f = NewFraction(core.On(2), []core.Sequenceable{}) _, err = f.ToNote() if err == nil { t.Fatal("error expected") } f = NewFraction(core.On(2), core.InList(core.S("c d"))) _, err = f.ToNote() if err == nil { t.Fatal("error expected") } f = NewFraction(core.On(2), core.InList(failingNoteConvertable{})) _, err = f.ToNote() if err == nil { t.Fatal("error expected") } } func TestFraction_Replaced(t *testing.T) { f := NewFraction(core.On(2), core.InList(core.N("c"))) if core.IsIdenticalTo(f, f.Target[0]) { t.Error("should not be identical") } if !core.IsIdenticalTo(f.Replaced(f.Target[0], core.EmptySequence).(Fraction).Target[0], core.EmptySequence) { t.Error("not replaced") } if !core.IsIdenticalTo(f.Replaced(f, core.EmptySequence), core.EmptySequence) { t.Error("should be replaced by empty") } }