melrōse musical expression player

package file import ( "testing" "time" "github.com/emicklei/melrose/core" ) func Test_microsecondsFromBPM(t *testing.T) { if got, want := quarterUSFromBPM(120.0), uint32(500000); got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } } func Test_ticksFromDuration(t *testing.T) { for _, each := range []struct { dur string bpm float64 ticks int }{ { "5s", 120.0, 9600, }, { "1s", 120.0, 1920, }, { "125ms", 120.0, 240, }, } { d, _ := time.ParseDuration(each.dur) if got, want := ticksFromDuration(d, quarterUSFromBPM(each.bpm)), uint32(each.ticks); got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } } } func Test_Export(t *testing.T) { s := core.MustParseSequence("C") if err := Export("Test_Export.mid", s, 120.0, 4); err != nil { t.Fatal(err) } }