melrōse musical expression player

package op import ( "testing" "github.com/emicklei/melrose/core" ) func TestIf_S(t *testing.T) { c := core.On(true) th := core.MustParseSequence("C") el := core.MustParseSequence("D") i := IfCondition{Condition: c, Then: th, Else: el} if got, want := i.S().Storex(), "sequence('C')"; got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } i.Condition = core.On(false) if got, want := i.S().Storex(), "sequence('D')"; got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } i.Condition = core.On("not a boolean") if got, want := i.S().Storex(), "sequence('D')"; got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } } func TestIf_Storex(t *testing.T) { c := core.On(true) th := core.MustParseSequence("C") el := core.MustParseSequence("D") i := IfCondition{Condition: c, Then: th, Else: el} if got, want := i.Storex(), "when(true,sequence('C'),sequence('D'))"; got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } i.Else = core.EmptySequence if got, want := i.Storex(), "when(true,sequence('C'))"; got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } } func TestIf_Replaced(t *testing.T) { c := core.On(true) th := core.MustParseSequence("C") el := core.MustParseSequence("D") i := IfCondition{Condition: c, Then: th, Else: el} if core.IsIdenticalTo(i, th) { t.Error("should not be identical") } if !core.IsIdenticalTo(i.Replaced(th, el).(IfCondition).Then, el) { t.Error("then not replaced") } if !core.IsIdenticalTo(i.Replaced(el, th).(IfCondition).Else, th) { t.Error("else not replaced") } if !core.IsIdenticalTo(i.Replaced(i, th), th) { t.Error("if not replaced") } rep := i.Replaced(core.EmptySequence, th) if !core.IsIdenticalTo(i, rep) { t.Error("should be same") } i.Then = i // self if !core.IsIdenticalTo(i.Replaced(i, th), th) { t.Error("if not replaced") } }