use std encoding lib

Signed-off-by: divinerapier <poriter.coco@gmail.com>

weed/util/bytes_test.go

@@ -0,0 +1,62 @@
+package util
+
+import (
+	"reflect"
+	"testing"
+)
+
+// go test github.com/chrislusf/seaweedfs/weed/util -run '^(TestAll)$' -v
+
+func TestAll(t *testing.T) {
+	for i := 0; i <= 0xff; i += 7 {
+		assertU16(t, uint16(i))
+	}
+	for i := 0; i <= 0xffff; i += 211 {
+		assertU32(t, uint32(i))
+	}
+	for i := 0; i <= 0xffffffff; i += 1000000007 {
+		assertU64(t, uint64(i))
+	}
+}
+
+func assertU16(t *testing.T, i uint16) {
+	var buf1, buf2 [2]byte
+	Uint16toBytesOld(buf1[:], i)
+	Uint16toBytes(buf2[:], i)
+	if !reflect.DeepEqual(buf1, buf2) {
+		t.Errorf("i: %d, buf1: %v, buf2: %v\n", i, buf1, buf2)
+	}
+	v1 := BytesToUint16Old(buf1[:])
+	v2 := BytesToUint16(buf2[:])
+	if v1 != v2 {
+		t.Errorf("buf1: %v, v1: %d, buf2: %v, v2: %d\n", buf1, v1, buf2, v2)
+	}
+}
+
+func assertU32(t *testing.T, i uint32) {
+	var buf1, buf2 [4]byte
+	Uint32toBytesOld(buf1[:], i)
+	Uint32toBytes(buf2[:], i)
+	if !reflect.DeepEqual(buf1, buf2) {
+		t.Errorf("i: %d, buf1: %v, buf2: %v\n", i, buf1, buf2)
+	}
+	v1 := BytesToUint32Old(buf1[:])
+	v2 := BytesToUint32(buf2[:])
+	if v1 != v2 {
+		t.Errorf("buf1: %v, v1: %d, buf2: %v, v2: %d\n", buf1, v1, buf2, v2)
+	}
+}
+
+func assertU64(t *testing.T, i uint64) {
+	var buf1, buf2 [8]byte
+	Uint64toBytesOld(buf1[:], i)
+	Uint64toBytes(buf2[:], i)
+	if !reflect.DeepEqual(buf1, buf2) {
+		t.Errorf("i: %d, buf1: %v, buf2: %v\n", i, buf1, buf2)
+	}
+	v1 := BytesToUint64Old(buf1[:])
+	v2 := BytesToUint64(buf2[:])
+	if v1 != v2 {
+		t.Errorf("buf1: %v, v1: %d, buf2: %v, v2: %d\n", buf1, v1, buf2, v2)
+	}
+}