add test case for Encode function

Author: CC11001100

encoding_test.go

@@ -0,0 +1,74 @@
+package varint
+
+import (
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestEncode(t *testing.T) {
+
+	// case: value 0
+	{
+		v := Encode[uint64](0)
+		assert.Equal(t, []byte{0x0}, v)
+	}
+
+	// case: value 1
+	{
+		v := Encode[uint64](1)
+		assert.Equal(t, []byte{0x1}, v)
+	}
+
+	// case: value 2
+	{
+		v := Encode[uint64](2)
+		assert.Equal(t, []byte{0x2}, v)
+	}
+
+	// case: value 127
+	{
+		v := Encode[uint64](127)
+		assert.Equal(t, []byte{0x7f}, v)
+	}
+
+	// case: value 128
+	{
+		v := Encode[uint64](128)
+		assert.Equal(t, []byte{0x80, 0x1}, v)
+	}
+
+	// case: value 255
+	{
+		v := Encode[uint64](255)
+		assert.Equal(t, []byte{0xff, 0x1}, v)
+	}
+
+	// case: case: value 256
+	{
+		v := Encode[uint64](256)
+		assert.Equal(t, []byte{0x80, 0x2}, v)
+	}
+
+}
+
+func TestEncodeSlice(t *testing.T) {
+}
+
+func TestDecode(t *testing.T) {
+	var a uint64
+	a = 123456
+	bytes := Encode(a)
+	t.Log(bytes)
+	t.Log(Decode[uint64](bytes))
+}
+
+func TestDecodeSlice(t *testing.T) {
+	ints := []uint64{
+		1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
+	}
+	bytes := EncodeSlice(ints)
+	t.Log(len(bytes))
+	t.Log(bytes)
+	slice := DecodeSlice[uint64](bytes)
+	t.Log(slice)
+}