torrent/util/copy_test.go

90 lines
1.4 KiB
Go

package util
import (
"bytes"
"strings"
"testing"
)
func TestCopyToArray(t *testing.T) {
var arr [3]byte
bb := []byte{1, 2, 3}
CopyExact(&arr, bb)
if !bytes.Equal(arr[:], bb) {
t.FailNow()
}
}
func TestCopyToSlicedArray(t *testing.T) {
var arr [5]byte
CopyExact(arr[:], "hello")
if !bytes.Equal(arr[:], []byte("hello")) {
t.FailNow()
}
}
func TestCopyDestNotAddr(t *testing.T) {
defer func() {
r := recover()
if r == nil {
t.FailNow()
}
t.Log(r)
}()
var arr [3]byte
CopyExact(arr, "nope")
}
func TestCopyLenMismatch(t *testing.T) {
defer func() {
r := recover()
if r == nil {
t.FailNow()
}
t.Log(r)
}()
CopyExact(make([]byte, 2), "abc")
}
func TestCopySrcString(t *testing.T) {
dest := make([]byte, 3)
CopyExact(dest, "lol")
if string(dest) != "lol" {
t.FailNow()
}
func() {
defer func() {
r := recover()
if r == nil {
t.FailNow()
}
}()
CopyExact(dest, "rofl")
}()
var arr [5]byte
CopyExact(&arr, interface{}("hello"))
if string(arr[:]) != "hello" {
t.FailNow()
}
}
func TestCopySrcNilInterface(t *testing.T) {
var arr [3]byte
defer func() {
r := recover().(string)
if !strings.Contains(r, "invalid source") {
t.FailNow()
}
}()
CopyExact(&arr, nil)
}
func TestCopySrcPtr(t *testing.T) {
var bigDst [1024]byte
var bigSrc [1024]byte = [1024]byte{'h', 'i'}
CopyExact(&bigDst, &bigSrc)
if !bytes.Equal(bigDst[:], bigSrc[:]) {
t.FailNow()
}
}