improve coverage (#168)

pkg/codecs/h265/pps_test.go

@@ -0,0 +1,37 @@
+package h265
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestPPSUnmarshal(t *testing.T) {
+	for _, ca := range []struct {
+		name string
+		byts []byte
+		pps  PPS
+	}{
+		{
+			"default",
+			[]byte{
+				0x44, 0x01, 0xc1, 0x72, 0xb4, 0x62, 0x40,
+			},
+			PPS{},
+		},
+	} {
+		t.Run(ca.name, func(t *testing.T) {
+			var pps PPS
+			err := pps.Unmarshal(ca.byts)
+			require.NoError(t, err)
+			require.Equal(t, ca.pps, pps)
+		})
+	}
+}
+
+func FuzzPPSUnmarshal(f *testing.F) {
+	f.Fuzz(func(t *testing.T, b []byte) {
+		var pps PPS
+		pps.Unmarshal(b)
+	})
+}