test hls ll

format/fmp4/timescale/timescale_test.go

@@ -0,0 +1,60 @@
+package timescale
+
+import (
+	"testing"
+	"time"
+)
+
+func TestToScale(t *testing.T) {
+	const scale uint32 = 90000
+	values := []struct {
+		T time.Duration
+		V uint64
+	}{
+		{0, 0},
+		{time.Second/60 - 1, 1500},
+		{time.Second/60 + 0, 1500},
+		{time.Second/60 + 1, 1500},
+		{(time.Second/60)*60 - 1, 90000},
+		{(time.Second/60)*60 + 0, 90000},
+		{(time.Second/60)*60 + 1, 90000},
+		{time.Second * (1 << 32), 90000 * (1 << 32)},
+		{time.Second*(1<<32) + time.Second/60 - 1, 90000*(1<<32) + 1500},
+		{time.Second*(1<<32) + time.Second/60 + 0, 90000*(1<<32) + 1500},
+		{time.Second*(1<<32) + time.Second/60 + 1, 90000*(1<<32) + 1500},
+	}
+	for _, ex := range values {
+		n := ToScale(ex.T, scale)
+		if n != ex.V {
+			t.Errorf("%d (%s): expected %d, got %d", ex.T, ex.T, ex.V, n)
+		}
+	}
+}
+
+func TestRelative(t *testing.T) {
+	const scale uint32 = 90000
+	values := []struct {
+		T time.Duration
+		V int32
+	}{
+		{0, 0},
+		{time.Second/60 - 1, 1500},
+		{time.Second/60 + 0, 1500},
+		{time.Second/60 + 1, 1500},
+		{(time.Second/60)*5 - 1, 7500},
+		{(time.Second/60)*5 + 0, 7500},
+		{(time.Second/60)*5 + 1, 7500},
+		{-time.Second/60 - 1, -1500},
+		{-time.Second/60 + 0, -1500},
+		{-time.Second/60 + 1, -1500},
+		{(-time.Second/60)*5 - 1, -7500},
+		{(-time.Second/60)*5 + 0, -7500},
+		{(-time.Second/60)*5 + 1, -7500},
+	}
+	for _, ex := range values {
+		n := Relative(ex.T, scale)
+		if n != ex.V {
+			t.Errorf("%d (%s): expected %d, got %d", ex.T, ex.T, ex.V, n)
+		}
+	}
+}