merge format and formatdecenc into formats (#222)

pkg/formats/rtpmjpeg/headers/quantization_table_test.go

@@ -0,0 +1,54 @@
+package headers
+
+import (
+	"bytes"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+var casesQuantizationTable = []struct {
+	name string
+	enc  []byte
+	dec  QuantizationTable
+}{
+	{
+		"base",
+		[]byte{
+			0x1, 0x0, 0x0, 0x40, 0x1, 0x2, 0x3, 0x4,
+			0x1, 0x2, 0x3, 0x4, 0x1, 0x2, 0x3, 0x4,
+			0x1, 0x2, 0x3, 0x4, 0x1, 0x2, 0x3, 0x4,
+			0x1, 0x2, 0x3, 0x4, 0x1, 0x2, 0x3, 0x4,
+			0x1, 0x2, 0x3, 0x4, 0x1, 0x2, 0x3, 0x4,
+			0x1, 0x2, 0x3, 0x4, 0x1, 0x2, 0x3, 0x4,
+			0x1, 0x2, 0x3, 0x4, 0x1, 0x2, 0x3, 0x4,
+			0x1, 0x2, 0x3, 0x4, 0x1, 0x2, 0x3, 0x4,
+			0x1, 0x2, 0x3, 0x4,
+		},
+		QuantizationTable{
+			MBZ:       1,
+			Precision: 0,
+			Tables:    bytes.Repeat([]byte{0x01, 0x02, 0x03, 0x04}, 64/4),
+		},
+	},
+}
+
+func TestQuantizationTableUnmarshal(t *testing.T) {
+	for _, ca := range casesQuantizationTable {
+		t.Run(ca.name, func(t *testing.T) {
+			var h QuantizationTable
+			_, err := h.Unmarshal(ca.enc)
+			require.NoError(t, err)
+			require.Equal(t, ca.dec, h)
+		})
+	}
+}
+
+func TestQuantizationTableMarshal(t *testing.T) {
+	for _, ca := range casesQuantizationTable {
+		t.Run(ca.name, func(t *testing.T) {
+			buf := ca.dec.Marshal(nil)
+			require.Equal(t, ca.enc, buf)
+		})
+	}
+}