func TestBars(t *testing.T) {
c := pitch.New(4, 0)
cs := pitch.New(4, 1)
qn := time.NewDuration(1, 4)
hn := time.NewDuration(1, 2)
none := Untagged
voice := NewLine(none,
Note{c, qn, none},
Note{cs, hn, none},
Rest{hn, none},
Note{c, qn, none},
)
bars := Bars(time.Signature(3, 4), time.Zero(), voice)
if len(bars) != 2 {
t.Errorf("Expected %d bars received %d", 2, len(bars))
}
bar1 := Bar{1, []Event{
Event{voice.elements[0], time.Zero()},
Event{voice.elements[1], time.NewPosition(1, 4)},
}}
bar2 := Bar{2, []Event{
Event{voice.elements[2], time.Zero()},
Event{voice.elements[3], time.NewPosition(1, 4)},
}}
checkBar(bars[0], bar1, t)
checkBar(bars[1], bar2, t)
}
func TestLine(t *testing.T) {
r1 := Rest{qn, Untagged}
r2 := Rest{hn, Untagged}
a := Line{[]Element{r1, r2, r1}, Attributes{}}
b := Line{[]Element{r1, r2, r1}, Attributes{}}
c := Line{[]Element{a, b}, Attributes{}}
e := c.Events(time.Zero())
if l := len(e); l != 6 {
t.Errorf("Expected 6 events, received %v", l)
}
checkRational(e[0].Position, time.Zero(), t)
checkRational(e[1].Position, time.NewPosition(1, 4), t)
checkRational(e[2].Position, time.NewPosition(3, 4), t)
checkRational(e[3].Position, time.NewPosition(1, 1), t)
checkRational(e[4].Position, time.NewPosition(5, 4), t)
checkRational(e[5].Position, time.NewPosition(7, 4), t)
}