You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
v2ray-core/common/buf/multi_buffer_test.go

59 lines
1.1 KiB

package buf_test
import (
"crypto/rand"
"io"
"testing"
"v2ray.com/core/common"
. "v2ray.com/core/common/buf"
. "v2ray.com/ext/assert"
)
func TestMultiBufferRead(t *testing.T) {
assert := With(t)
b1 := New()
b1.WriteString("ab")
b2 := New()
b2.WriteString("cd")
mb := MultiBuffer{b1, b2}
bs := make([]byte, 32)
nBytes, err := mb.Read(bs)
assert(err, IsNil)
assert(nBytes, Equals, 4)
assert(bs[:nBytes], Equals, []byte("abcd"))
}
func TestMultiBufferAppend(t *testing.T) {
assert := With(t)
var mb MultiBuffer
b := New()
b.WriteString("ab")
mb = append(mb, b)
assert(mb.Len(), Equals, int32(2))
}
func TestMultiBufferSliceBySizeLarge(t *testing.T) {
assert := With(t)
lb := make([]byte, 8*1024)
common.Must2(io.ReadFull(rand.Reader, lb))
var mb MultiBuffer
common.Must2(mb.Write(lb))
mb2 := mb.SliceBySize(1024)
assert(mb2.Len(), Equals, int32(1024))
}
func TestInterface(t *testing.T) {
assert := With(t)
assert((*MultiBuffer)(nil), Implements, (*io.WriterTo)(nil))
assert((*MultiBuffer)(nil), Implements, (*io.ReaderFrom)(nil))
}